US20020089553A1 - Cap with retractable stylus - Google Patents
Cap with retractable stylus Download PDFInfo
- Publication number
- US20020089553A1 US20020089553A1 US09/944,625 US94462501A US2002089553A1 US 20020089553 A1 US20020089553 A1 US 20020089553A1 US 94462501 A US94462501 A US 94462501A US 2002089553 A1 US2002089553 A1 US 2002089553A1
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- United States
- Prior art keywords
- notepad
- source
- pad system
- palm pad
- personal digital
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
- G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1632—External expansion units, e.g. docking stations
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03545—Pens or stylus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S345/00—Computer graphics processing and selective visual display systems
- Y10S345/901—Electronic book with display
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S345/00—Computer graphics processing and selective visual display systems
- Y10S345/905—Display device with housing structure
Definitions
- the present invention relates to a method and apparatus for providing electronic storage and retrieval of handwritten notes. More particularly, it relates to a method and apparatus for providing electronic storage and retrieval of handwritten notes, along with other drawings, in an electronic device such as a personal digital device (PDD).
- PPD personal digital device
- PDD Personal digital devices
- Examples of PDDs include personal computers, such as laptop computers and handheld computer devices having a display area and an input area.
- a user inputs information in the input area by writing with a specialized pen.
- the pen does not mark on the input area, but the PDD converts the writing to electronic information through a resistive contact surface.
- the user writes in a specialized manner to represent alpha-numeric characters. Movement of the pen on the resistive contact surface is recognized by the PDD and converted into a corresponding character. Each character is created at the same location on the resistive contact surface.
- the characters are then displayed in the display area of the PDD.
- the characters are stored in various formats to record information, such as names, addresses, telephone numbers, appointments, and notes.
- the PDD can be connected to another electronic device, such as a personal computer, for exchanging information with the other device.
- PDDs While many PDDs are desirable because they are compact and portable, one drawback of typical prior art PDDs is that they use specialized writing systems that can be awkward to learn and may be hard for some users to master. Also, in typical prior art PDDs markings do not appear on the resistive contact surface during writing thereon. As a result, it can be difficult for users to track their writing motions to obtain the correct characters. Furthermore, non-character marks typically cannot be made or stored in prior art PDDs. Thus, drawings cannot be entered into the PDD. In addition, a PDD user typically enters characters one at a time, significantly limiting the speed with which one can take notes or record information. Therefore, a need exists for a PDD which allows users to write in a more fluid and familiar manner and to include non-characters in their writing. In other words, a need exists for a PDD that records free-hand writing and/or drawing.
- Various devices have been developed to convert written documents into electronic forms in order to reduce storage space and retrieval time.
- scanners can convert previously existing documents into an electronic format for storage and retrieval.
- a personal computer using certain software packages can allow a user to input data, e.g., to create an original document such as a drawing.
- the user can input data in a variety of ways, e.g., using a mouse on a desktop.
- the personal computer can display the original document on a screen.
- the personal computer can store the input data in memory or on a magnetic storage disk.
- computers with touch screens and pads allow a user to create input data, e.g., to create an original document such as a handwritten note or a drawing, using a finger or stylus.
- the computer can display the document on a screen and/or store it in an electronic format.
- creating an original document using one of these methods is somewhat awkward.
- the instrument used to mark on the touch screen or pad does not make a mark, and typically the user has to watch a separate display screen to observe what is recorded as a result of the writing motion.
- A. T. Cross of Lincoln R.I. has a product, sold under the name Crosspad®, which converts handwritten documents into electronic form.
- the product includes a conventional notepad combined with a unique pen and printed circuit board assembly (“PCBA”) for the notepad.
- PCBA printed circuit board assembly
- the user writes on the pad using the pen.
- the pen has an ink tip which can be used to make marks on the pad.
- the pen also includes a RF transmitter.
- the RF transmitter operates in conjunction with the PCBA for the pad to translate pen movement into electronic signals representing the user's writing motion.
- a switch in the pen turns the transmitter on when the pen is in contact with the pad. The switch is activated as a result of the force exerted by the pad on the tip of the pen.
- This system can be used to make electronic copies of handwritten notes. The electronic copies can then be stored and retrieved for later use. The user can write on the pad in an ordinary manner.
- An object of the present invention is to set forth a palm pad system that overcomes deficiencies and limitations of the prior art.
- the palm pad system comprises an electronic notepad coupled to a conventional PDD.
- the electronic notepad and the PDD are retained in position on a common base.
- the electronic notepad includes an integrated printed circuit board having a plurality of etched loops formed thereon. The etched loops are uniformly distributed over the surface of the board and define an X-grid pattern and a Y-grid pattern. The X-grid pattern and Y-grid pattern are receptive to signals generated by a source, which source is positioned in close proximity to the grid patterns defined on the notepad.
- the electronic notepad further includes a paper-pad, which is securely mounted adjacent to the printed circuit board.
- the source for generating the signals can be an electromechanical transmitter, which transmitter is mounted in an elongated pen.
- the pen further includes a first end having a conventional retractable writing tip, such as a ball point pen tip, for marking on paper.
- the writing tip is coupled to the electromechanical transmitter via a micro-switch.
- the micro-switch is pressure actuated so that when the writing tip is pressed against a writing surface, such as the paper-pad, the transmitter coupled therewith is enabled for generating the signal.
- the signal is sensed by the X-grid pattern and the Y-grid pattern.
- the signal sensed by the X-grid pattern and the Y-grid pattern is further processed by electronics coupled therewith to determine the relative location of the writing tip with respect to the paper-pad.
- the relative locations of the writing tip are processed to concomitantly reproduce and electronically display the handwritten data on a display associated with the PDD.
- the electronically reproduced data can further be saved as an electronic file, which file can be retrieved at a later time.
- the pen further includes a cap having an aperture with a retractable non-writing tip mounted therein.
- the non-writing tip cooperates with the first end of the pen to force the non-writing tip into a retracted position defined in the cap.
- the non-writing tip cooperates with the second end of the pen to force the non-writing tip, which tip is defined in the cap, to extend outwardly from the aperture defined on the cap.
- the palm pad system for enabling a user to electronically display, store, and retrieve hand written data comprises a means for converting handwritten data into an electronic file.
- the means for converting handwritten data into an electronic file is retained on a base.
- the palm pad system further comprises a means for receiving and processing the electronic file.
- the means for receiving and processing the electronic file is also retained on the base.
- the means for receiving and processing the electronic file is constructed and arranged to display, store, and retrieve the electronic file.
- the means for receiving and processing the electronic file comprises a means for displaying the electronic file; a means for storing the electronic file; a means for retrieving the electronic file; and a control means for controlling the displaying, storing and retrieving of the electronic file.
- FIG. 1( a ) is a planar view of a palm pad system in accordance with one embodiment of the present invention
- FIG. 1( b ) is a planar view of an integrated printed circuit board assembly included in the palm pad system shown in FIG. 1( a );
- FIG. 2( a ) is an isometric view of the palm pad system shown in FIG. 1( a );
- FIG. 2( b ) is a folded view of the palm pad system shown in FIG. 2( a );
- FIG. 2( c ) is a side view of the palm pad system shown in FIG. 2( b );
- FIG. 3( a ) is an isometric view of one embodiment of a pen, which is adapted to cooperate with the palm pad system of FIG. 1(a);
- FIG. 3( b ) is a cross sectional view of the pen shown in FIG. 3( a );
- FIG. 4( a ) is an isometric view of another embodiment of a pen, which is adapted to cooperate with the palm pad system of the present invention
- FIG. 4( b ) is a cross sectional view of the pen shown in FIG. 4( a );
- FIGS. 5 ( a ), 5 ( b ), 5 ( c ), and 5 ( d ) shows various views of a PDD integrated with a flip-down electronic notepad in accordance with another embodiment of the present invention
- FIG. 6 is an isometric view of a laptop computer integrated with an electronic notepad
- FIG. 7 is a planar view of a fully integrated palm pad system.
- a portable palm pad system is set forth for enabling a user to electronically display, store, and retrieve hand written data.
- portable palm pad system 5 in accordance with one embodiment of the present invention comprises electronic notepad 10 coupled to a conventional PDD 15 .
- Palm pad system 5 further includes pen 200 , which is shown in FIGS. 3 and 4, and will be described in detail later.
- a conventional PDD 15 is a Palm PilotTM which is manufactured by 3COM.
- Electronic notepad 10 and PDD 15 coupled therewith are mounted on common base 20 .
- PDD 15 includes a microprocessor (not shown), memory (not shown), display area 25 and input area 30 .
- Display area 25 is typically comprised of a touch sensitive liquid crystal display (“LCD”) 25 a.
- LCD touch sensitive liquid crystal display
- Input area 30 typically has a number of control buttons 30 a which a user can actuate to enter or display data on LCD 25 a.
- conventional software which is stored in the memory defined in PDD 15 , is executed to manage data entry or data displaying operations.
- IBM's Ink ManagerTM software which provides note editing, searching, organization and sharing tools.
- the control buttons 30 a, LCD 25 a and software are all associated with the PDD 15 and are known to those of ordinary skill in the art.
- electronic notepad 10 defined on palm pad system 5 includes integrated printed circuit board assembly (“PCBA”) 35 adapted to securely hold an ordinary paper-pad 40 thereon.
- PCBA 35 can be written on just like any other ordinary paper-pad.
- PCBA 35 includes a plurality of etched loops 36 formed thereon. Etched loops 36 are uniformly distributed over the surface of PCBA 35 and form an X-grid pattern (not shown) and a Y-grid pattern (not shown). The X-grid pattern and the Y-grid pattern are coupled with position determining electronics (not shown).
- the PCBA 35 is powered parasitically through data bus 45 to PDD 15 .
- the notepad includes four AAA batteries (not shown) that allow the notepad to operate for 3-4 months with moderate use.
- Electronic notepad 10 and PDD 15 are coupled through an interface 50 .
- interface 50 is a standard RS232 interface.
- notepad 10 and PDD 15 can use a variety of communications technologies.
- PCBA 35 contained within notepad 10 transmits position and status information to PDD 15 through the interface 50 via data bus 45 .
- the position and status information can include separate X and Y coordinates of pen 200 (FIGS. 3 and 4), which is adapted to cooperate with notepad 10 , and the status of micro-switch 240 (FIGS. 3 and 4) contained pen 200 (FIGS. 3 and 4).
- information directed to actuation of various controls on notepad 55 can be communicated to PDD 15 .
- other interfaces can be employed to form a communication channel between electronic notepad 10 and PDD 15 , for example, a substantially flat interface (not shown) can be integrated with the common base 20 .
- PDD 15 further includes software which operates to interpret the position and status information provided by PCBA 35 .
- the software converts the position and status information received from PCBA 35 into an electronic copy of markings or writings composed by a user on paper-pad 40 .
- the electronic copy of the markings or writings composed by the user can then be stored, retrieved and/or displayed on PDD 15 , as with any other data received by the PDD.
- notepad 10 can include software or hardware for processing the position and status information to create electronic copies of markings or writings composed on the pad by a user. Then, only the electronic copies would be transferred to PDD 15 for storage, retrieval and display.
- common base 20 includes PDD retaining surface 20 a and notepad retaining surface 20 b.
- Common base 20 can be formed of various materials including: leather, ballistic nylon and synthetics.
- PDD retaining surface 20 a and notepad retaining surface 20 b are coupled by a flexible section 20 c.
- Flap 60 defined on common base 20 substantially encloses and protects interface 50 (FIG. 1( a )), which enables communication between PDD 15 and notepad 10 via data bus 45 .
- Both PDD retaining surface 20 a and notepad retaining surface 20 b can be folded towards each other, which bends flexible section 20 c to orient the common base 20 into a folded position as shown in FIG.
- FIG. 2( b ) At least one tab 65 , with an appropriate closure mechanism can be used to hold common base 20 in the folded position as shown in FIG. 2( c ).
- FIG. 2( c ) further shows a set of loops 70 defined on flexible portion 20 c of common base 20 . When common base 20 is folded, loops 70 form a space 70 a. Space 70 a can accommodate a cylindrical object such as pen 200 (FIGS. 3 and 4).
- Common base 20 further includes an additional power supply retaining structure 75 adapted to retain batteries (not shown) or other power supply in a secure position defined on common base 20 .
- FIGS. 3 ( a ) and 3 ( b ); 4 ( a ) and 4 ( b ) show embodiments of a pen 200 used in conjunction with embodiments of the present invention.
- U.S. Pat. No. 5,434,371 issued to Brooks and incorporated herein by reference, teaches a hand-held electronic writing implement including a writing tip for marking a surface and a pressure sensor located at the writing tip for emitting a pressure signal once the writing tip contacts the writing surface.
- U.S. Pat. No. 5,635,682 issued to Cherdak et al. and incorporated herein by reference teaches a wireless stylus and disposable stylus cartridge for use with a pen computing device.
- the hand-held electronic writing implement set forth in U.S. Pat. No. 5,434,371 and the wireless stylus and disposable stylus cartridge set forth in U.S. Pat. No. 5,635,682 can be adapted for use with embodiments of the present invention.
- the pen 200 includes an ordinary writing tip 205 defined at a first end 206 of the pen, which writing tip 205 can write on paper pad 40 (FIG. 1( a )), and rubber tip 210 or non-writing tip which makes no marks. More specifically and referring to FIG. 1( a ) as well as to FIGS. 3 ( a ) and 3 ( b ), pen 200 includes body 215 and cap 220 .
- the body 215 houses ink supply 225 connected to writing tip 205 .
- Ink supply 225 and writing tip 205 can be comprised of many ordinary forms for pens, such as a replaceable cartridge with a ball point tip.
- Body 215 also houses electromechanical transmitter 230 .
- Transmitter 230 provides a signal used by notepad 10 to determine the status and position of pen 200 .
- the signal is frequency encoded to relay the status of writing tip 205 and a side switch (not shown). All frequencies are set within the frequency range of 335 to 500 kHz, and are assigned in a manner to allow enough tolerance to eliminate the need for tuning each pen 200 .
- the status of writing tip 205 is determined by micro switching mechanism 235 . Switching mechanism 235 is operable when writing tip 205 contacts paper pad 40 . The pressure of writing tip 205 on paper pad 40 is sufficient to activate switch 235 and transmitter 230 .
- Non-writing tip 210 is retractably mounted in cap 220 and is adapted for use with the touch sensitive display 25 a which is associated with PDD 15 .
- non-writing tip 210 is retracted within cap 220 as shown in FIG. 3( b ).
- second end 207 of pen 200 which is defined diametrically opposite from writing tip 221 , second end 207 thereof cooperates with non-writing tip 210 to force non-writing tip 210 to extend outwardly from aperture 221 defined on cap 220 as shown in FIGS. 4 ( a ) and 4 ( b ).
- Pen 200 can include a single AAA battery 240 , which provides pen 200 with a 6-12 month average life.
- writing tip 205 is pressed against paper-pad 40 for actuating micro-switch 235 to enable transmitter 230 to provide a signal.
- the signal provided by transmitter 230 is communicated to the etched loops 36 defined on PCBA 35 .
- the relative amplitudes of the received signals on individual etched loops 36 are used as inputs to algorithms (not shown) which determine writing tip's 205 relative location on paper-pad 40 . Therefore, when a user composes handwritten data by moving writing tip 205 of pen 200 over paper-pad 40 , the algorithms determine writing tip's 205 relative location on paper-pad 40 .
- the relative locations of writing tip 205 are further processed to concomitantly reproduce and electronically display the handwritten data on display 25 a associated with PDD 15 .
- the electronically reproduced data can further be saved as an electronic file, which file can be retrieved at a later time. More simply stated, a user's hand written notes, which are written on paper-pad 40 , are concomitantly displayed on touch sensitive display 25 a associated with PDD 15 . Thereafter, the user's handwritten notes can be electronically stored to and retrieved from memory which is associated with PDD 15 .
- FIGS. 5 ( a ), 5 ( b ), 5 ( c ), and 5 ( d ) show various views of another embodiment of palm pad system 5 b according to principles of the present invention. More specifically and referring to FIG. 5( a ), palm pad system 5 b includes a conventional PDD 15 b having a pivotal flip-down connection 17 to electronic notepad 10 b. A flexible data communication bus (not shown) connected between PDD 15 b and notepad 10 b enables data communication between PDD 15 b and notepad 10 b.
- FIG. 5( b ) is a side view of palm pad system 5 b.
- FIG. 5( c ) shows palm pad system 5 b in a closed position.
- FIG. 5( d ) is an isometric view of palm pad system 5 b positioned in a user's hand during use.
- FIG. 6 another embodiment of the present invention includes the integration of electronic notepad 10 c with laptop computer 300 .
- Electronic notepad 10 c can be coupled to a conventional processor (not shown) as well as conventional memory (not shown) contained within laptop computer 10 c.
- a conventional processor not shown
- conventional memory not shown
- Such a configuration allows a user to take handwritten notes on electronic notepad 10 c and electronically store the notes in laptop computer 300 . Thereafter, the stored notes can be retrieved and displayed on a screen 310 associated with laptop computer 300 .
- FIG. 7 another embodiment of the present invention includes a fully integrated palm pad system 5 C.
- Integrated palm pad system 5 C includes a substantially rigid housing 400 containing electronic notepad 10 d and PDD 15 d.
- Electronic notepad 10 d is positioned adjacent to a first window defined on housing 400 and PDD 15 d is positioned adjacent to a second window defined on housing 400 .
- the electronic notepad 10 d and PDD 15 d are coupled together by a data bus which operates in a similar manner as that previously described in earlier embodiments.
- the above described palm pad system 5 has many advantages over the prior art such as enabling handwritten notes to be converted into an electronic file or pages which can be stored and/or retrieved in the memory of PDD 15 .
- the electronic file can further be displayed on a touch sensitive display 25 a associated with PDD 15 .
Abstract
A cap containing a retractable tip for interfacing with a touch sensitive display. The cap can be configured to connect to a non-writing end and or a writing end of a pen. The pen can be configured on either or both ends to actuate the retractable tip such that the retractable tip is extended outwardly through an aperture in the cap. The cap can also be configured to connect with other writing or non-writing instruments.
Description
- This application claims priority from Provisional Application No. 60/114,521 filed Dec. 31, 1999 and Provisional Application No. 60/135,894 filed May 26, 1999 both of which are herein incorporated by reference.
- The present invention relates to a method and apparatus for providing electronic storage and retrieval of handwritten notes. More particularly, it relates to a method and apparatus for providing electronic storage and retrieval of handwritten notes, along with other drawings, in an electronic device such as a personal digital device (PDD).
- Personal digital devices (“PDD”) have become extremely popular for recording, storing and retrieving information. Examples of PDDs include personal computers, such as laptop computers and handheld computer devices having a display area and an input area. In one version of a handheld computer device, a user inputs information in the input area by writing with a specialized pen. The pen does not mark on the input area, but the PDD converts the writing to electronic information through a resistive contact surface. According to a common version of a PDD, the user writes in a specialized manner to represent alpha-numeric characters. Movement of the pen on the resistive contact surface is recognized by the PDD and converted into a corresponding character. Each character is created at the same location on the resistive contact surface. The characters are then displayed in the display area of the PDD. Depending upon the operation of the PDD the characters are stored in various formats to record information, such as names, addresses, telephone numbers, appointments, and notes. The PDD can be connected to another electronic device, such as a personal computer, for exchanging information with the other device.
- While many PDDs are desirable because they are compact and portable, one drawback of typical prior art PDDs is that they use specialized writing systems that can be awkward to learn and may be hard for some users to master. Also, in typical prior art PDDs markings do not appear on the resistive contact surface during writing thereon. As a result, it can be difficult for users to track their writing motions to obtain the correct characters. Furthermore, non-character marks typically cannot be made or stored in prior art PDDs. Thus, drawings cannot be entered into the PDD. In addition, a PDD user typically enters characters one at a time, significantly limiting the speed with which one can take notes or record information. Therefore, a need exists for a PDD which allows users to write in a more fluid and familiar manner and to include non-characters in their writing. In other words, a need exists for a PDD that records free-hand writing and/or drawing.
- Various devices have been developed to convert written documents into electronic forms in order to reduce storage space and retrieval time. For example, scanners can convert previously existing documents into an electronic format for storage and retrieval. In addition, a personal computer using certain software packages can allow a user to input data, e.g., to create an original document such as a drawing. The user can input data in a variety of ways, e.g., using a mouse on a desktop. The personal computer can display the original document on a screen. Furthermore, the personal computer can store the input data in memory or on a magnetic storage disk.
- Similarly, computers with touch screens and pads allow a user to create input data, e.g., to create an original document such as a handwritten note or a drawing, using a finger or stylus. Again, the computer can display the document on a screen and/or store it in an electronic format. However, creating an original document using one of these methods is somewhat awkward. The instrument used to mark on the touch screen or pad does not make a mark, and typically the user has to watch a separate display screen to observe what is recorded as a result of the writing motion.
- A. T. Cross of Lincoln R.I. has a product, sold under the name Crosspad®, which converts handwritten documents into electronic form. The product includes a conventional notepad combined with a unique pen and printed circuit board assembly (“PCBA”) for the notepad. The user writes on the pad using the pen. The pen has an ink tip which can be used to make marks on the pad. The pen also includes a RF transmitter. The RF transmitter operates in conjunction with the PCBA for the pad to translate pen movement into electronic signals representing the user's writing motion. A switch in the pen turns the transmitter on when the pen is in contact with the pad. The switch is activated as a result of the force exerted by the pad on the tip of the pen. This system can be used to make electronic copies of handwritten notes. The electronic copies can then be stored and retrieved for later use. The user can write on the pad in an ordinary manner.
- However, a need still remains for a system which allows storage, retrieval and searching of content in electronic copies of handwritten information. In addition, a need exists for a portable PDD system that allows for the creation, storage, searching, and retrieval of handwritten information.
- An object of the present invention is to set forth a palm pad system that overcomes deficiencies and limitations of the prior art.
- In accordance with embodiments of the present invention, the palm pad system comprises an electronic notepad coupled to a conventional PDD. The electronic notepad and the PDD are retained in position on a common base. The electronic notepad includes an integrated printed circuit board having a plurality of etched loops formed thereon. The etched loops are uniformly distributed over the surface of the board and define an X-grid pattern and a Y-grid pattern. The X-grid pattern and Y-grid pattern are receptive to signals generated by a source, which source is positioned in close proximity to the grid patterns defined on the notepad. The electronic notepad further includes a paper-pad, which is securely mounted adjacent to the printed circuit board.
- The source for generating the signals can be an electromechanical transmitter, which transmitter is mounted in an elongated pen. The pen further includes a first end having a conventional retractable writing tip, such as a ball point pen tip, for marking on paper. The writing tip is coupled to the electromechanical transmitter via a micro-switch. The micro-switch is pressure actuated so that when the writing tip is pressed against a writing surface, such as the paper-pad, the transmitter coupled therewith is enabled for generating the signal. The signal is sensed by the X-grid pattern and the Y-grid pattern. The signal sensed by the X-grid pattern and the Y-grid pattern is further processed by electronics coupled therewith to determine the relative location of the writing tip with respect to the paper-pad. When a user composes handwritten data by moving the writing tip of the pen over the paper-pad, the relative locations of the writing tip are processed to concomitantly reproduce and electronically display the handwritten data on a display associated with the PDD. The electronically reproduced data can further be saved as an electronic file, which file can be retrieved at a later time.
- The pen further includes a cap having an aperture with a retractable non-writing tip mounted therein. When the cap is positioned over the writing tip, which is defined at the first end of the pen, the non-writing tip cooperates with the first end of the pen to force the non-writing tip into a retracted position defined in the cap. When the cap is positioned over a second end of the pen, the non-writing tip cooperates with the second end of the pen to force the non-writing tip, which tip is defined in the cap, to extend outwardly from the aperture defined on the cap.
- In another embodiment, the palm pad system for enabling a user to electronically display, store, and retrieve hand written data comprises a means for converting handwritten data into an electronic file. The means for converting handwritten data into an electronic file is retained on a base. The palm pad system further comprises a means for receiving and processing the electronic file. The means for receiving and processing the electronic file is also retained on the base. The means for receiving and processing the electronic file is constructed and arranged to display, store, and retrieve the electronic file. In an embodiment, the means for receiving and processing the electronic file comprises a means for displaying the electronic file; a means for storing the electronic file; a means for retrieving the electronic file; and a control means for controlling the displaying, storing and retrieving of the electronic file.
- The foregoing and other objects of this invention, the various features thereof, as well as the invention itself, may be more fully understood from the following description, when read together with the accompanying drawings in which:
- FIG. 1(a) is a planar view of a palm pad system in accordance with one embodiment of the present invention;
- FIG. 1(b) is a planar view of an integrated printed circuit board assembly included in the palm pad system shown in FIG. 1(a);
- FIG. 2(a) is an isometric view of the palm pad system shown in FIG. 1(a);
- FIG. 2(b) is a folded view of the palm pad system shown in FIG. 2(a);
- FIG. 2(c) is a side view of the palm pad system shown in FIG. 2(b);
- FIG. 3(a) is an isometric view of one embodiment of a pen, which is adapted to cooperate with the palm pad system of FIG. 1(a);
- FIG. 3(b) is a cross sectional view of the pen shown in FIG. 3(a);
- FIG. 4(a) is an isometric view of another embodiment of a pen, which is adapted to cooperate with the palm pad system of the present invention;
- FIG. 4(b) is a cross sectional view of the pen shown in FIG. 4(a);
- FIGS.5(a), 5(b), 5(c), and 5(d) shows various views of a PDD integrated with a flip-down electronic notepad in accordance with another embodiment of the present invention;
- FIG. 6 is an isometric view of a laptop computer integrated with an electronic notepad; and
- FIG. 7 is a planar view of a fully integrated palm pad system.
- In accordance with embodiments of the present invention, a portable palm pad system is set forth for enabling a user to electronically display, store, and retrieve hand written data.
- Referring to FIG. 1(a), portable
palm pad system 5 in accordance with one embodiment of the present invention compriseselectronic notepad 10 coupled to aconventional PDD 15.Palm pad system 5 further includespen 200, which is shown in FIGS. 3 and 4, and will be described in detail later. Referring again to FIG. 1(a), one example of aconventional PDD 15 is a Palm Pilot™ which is manufactured by 3COM.Electronic notepad 10 andPDD 15 coupled therewith are mounted oncommon base 20. Generally,PDD 15 includes a microprocessor (not shown), memory (not shown),display area 25 andinput area 30.Display area 25 is typically comprised of a touch sensitive liquid crystal display (“LCD”) 25 a.Input area 30 typically has a number ofcontrol buttons 30 a which a user can actuate to enter or display data onLCD 25 a. When displaying data on the touchsensitive LCD 25 a associated withPDD 15 or when entering data intoPDD 15 viacontrol buttons 30 a or touchsensitive LCD 25 a, conventional software, which is stored in the memory defined inPDD 15, is executed to manage data entry or data displaying operations. One example of such software is IBM's Ink Manager™ software, which provides note editing, searching, organization and sharing tools. Thecontrol buttons 30 a,LCD 25 a and software are all associated with thePDD 15 and are known to those of ordinary skill in the art. - Referring further to FIG. 1(b),
electronic notepad 10 defined onpalm pad system 5 includes integrated printed circuit board assembly (“PCBA”) 35 adapted to securely hold an ordinary paper-pad 40 thereon. Paper-pad 40 can be written on just like any other ordinary paper-pad.PCBA 35 includes a plurality of etchedloops 36 formed thereon.Etched loops 36 are uniformly distributed over the surface ofPCBA 35 and form an X-grid pattern (not shown) and a Y-grid pattern (not shown). The X-grid pattern and the Y-grid pattern are coupled with position determining electronics (not shown). ThePCBA 35 is powered parasitically throughdata bus 45 toPDD 15. Of course, many other methods can be employed to provide power toPCBA 35, including a separate power source. In an embodiment, the notepad includes four AAA batteries (not shown) that allow the notepad to operate for 3-4 months with moderate use. -
Electronic notepad 10 andPDD 15 are coupled through aninterface 50. According to an embodiment of the invention,interface 50 is a standard RS232 interface. As noted above,notepad 10 andPDD 15 can use a variety of communications technologies.PCBA 35 contained withinnotepad 10 transmits position and status information toPDD 15 through theinterface 50 viadata bus 45. The position and status information can include separate X and Y coordinates of pen 200 (FIGS. 3 and 4), which is adapted to cooperate withnotepad 10, and the status of micro-switch 240 (FIGS. 3 and 4) contained pen 200 (FIGS. 3 and 4). Furthermore, information directed to actuation of various controls onnotepad 55 can be communicated toPDD 15. Although not shown in the drawings, other interfaces can be employed to form a communication channel betweenelectronic notepad 10 andPDD 15, for example, a substantially flat interface (not shown) can be integrated with thecommon base 20. -
PDD 15 further includes software which operates to interpret the position and status information provided byPCBA 35. The software converts the position and status information received fromPCBA 35 into an electronic copy of markings or writings composed by a user on paper-pad 40. The electronic copy of the markings or writings composed by the user can then be stored, retrieved and/or displayed onPDD 15, as with any other data received by the PDD. Alternatively,notepad 10 can include software or hardware for processing the position and status information to create electronic copies of markings or writings composed on the pad by a user. Then, only the electronic copies would be transferred toPDD 15 for storage, retrieval and display. - Referring to FIG. 2(a), in an embodiment of the present invention,
common base 20 includesPDD retaining surface 20 a andnotepad retaining surface 20 b.Common base 20 can be formed of various materials including: leather, ballistic nylon and synthetics.PDD retaining surface 20 a andnotepad retaining surface 20 b are coupled by aflexible section 20 c.Flap 60 defined oncommon base 20 substantially encloses and protects interface 50 (FIG. 1(a)), which enables communication betweenPDD 15 andnotepad 10 viadata bus 45. BothPDD retaining surface 20 a andnotepad retaining surface 20 b can be folded towards each other, which bendsflexible section 20 c to orient thecommon base 20 into a folded position as shown in FIG. 2(b). At least onetab 65, with an appropriate closure mechanism can be used to holdcommon base 20 in the folded position as shown in FIG. 2(c). FIG. 2(c) further shows a set ofloops 70 defined onflexible portion 20 c ofcommon base 20. Whencommon base 20 is folded,loops 70 form aspace 70 a.Space 70 a can accommodate a cylindrical object such as pen 200 (FIGS. 3 and 4).Common base 20 further includes an additional powersupply retaining structure 75 adapted to retain batteries (not shown) or other power supply in a secure position defined oncommon base 20. - FIGS.3(a) and 3(b); 4(a) and 4(b) show embodiments of a
pen 200 used in conjunction with embodiments of the present invention. U.S. Pat. No. 5,434,371, issued to Brooks and incorporated herein by reference, teaches a hand-held electronic writing implement including a writing tip for marking a surface and a pressure sensor located at the writing tip for emitting a pressure signal once the writing tip contacts the writing surface. Furthermore, U.S. Pat. No. 5,635,682 issued to Cherdak et al. and incorporated herein by reference, teaches a wireless stylus and disposable stylus cartridge for use with a pen computing device. The hand-held electronic writing implement set forth in U.S. Pat. No. 5,434,371 and the wireless stylus and disposable stylus cartridge set forth in U.S. Pat. No. 5,635,682 can be adapted for use with embodiments of the present invention. - In an embodiment of the present invention, the
pen 200 includes anordinary writing tip 205 defined at afirst end 206 of the pen, whichwriting tip 205 can write on paper pad 40 (FIG. 1(a)), andrubber tip 210 or non-writing tip which makes no marks. More specifically and referring to FIG. 1(a) as well as to FIGS. 3(a) and 3(b),pen 200 includesbody 215 andcap 220. Thebody 215houses ink supply 225 connected to writingtip 205.Ink supply 225 and writingtip 205 can be comprised of many ordinary forms for pens, such as a replaceable cartridge with a ball point tip.Body 215 also houseselectromechanical transmitter 230.Transmitter 230 provides a signal used bynotepad 10 to determine the status and position ofpen 200. The signal is frequency encoded to relay the status of writingtip 205 and a side switch (not shown). All frequencies are set within the frequency range of 335 to 500 kHz, and are assigned in a manner to allow enough tolerance to eliminate the need for tuning eachpen 200. The status of writingtip 205 is determined bymicro switching mechanism 235.Switching mechanism 235 is operable when writingtip 205contacts paper pad 40. The pressure of writingtip 205 onpaper pad 40 is sufficient to activateswitch 235 andtransmitter 230. -
Non-writing tip 210 is retractably mounted incap 220 and is adapted for use with the touchsensitive display 25 a which is associated withPDD 15. Whencap 220 is positioned over writingtip 205,non-writing tip 210 is retracted withincap 220 as shown in FIG. 3(b). Whencap 220 is positioned oversecond end 207 ofpen 200, which is defined diametrically opposite from writingtip 221,second end 207 thereof cooperates withnon-writing tip 210 to forcenon-writing tip 210 to extend outwardly fromaperture 221 defined oncap 220 as shown in FIGS. 4(a) and 4(b). Therefore, when the user removescap 220 from writingtip 205 to begin writing onnotepad 10, the user can also positioncap 220 oversecond end 207 ofpen 200 to extendnon-writing tip 210 outwardly fromaperture 221 defined oncap 220, whichnon-writing tip 210 can be used to operate touchsensitive display 25 a and/orcontrol buttons 30 a (FIG. 1(a)) associated withPDD 15. Pen 200 can include a single AAA battery 240, which providespen 200 with a 6-12 month average life. - During use of writing
tip 205, writingtip 205 is pressed against paper-pad 40 for actuating micro-switch 235 to enabletransmitter 230 to provide a signal. The signal provided bytransmitter 230 is communicated to the etchedloops 36 defined onPCBA 35. The relative amplitudes of the received signals on individual etchedloops 36 are used as inputs to algorithms (not shown) which determine writing tip's 205 relative location on paper-pad 40. Therefore, when a user composes handwritten data by movingwriting tip 205 ofpen 200 over paper-pad 40, the algorithms determine writing tip's 205 relative location on paper-pad 40. The relative locations of writingtip 205 are further processed to concomitantly reproduce and electronically display the handwritten data ondisplay 25 a associated withPDD 15. The electronically reproduced data can further be saved as an electronic file, which file can be retrieved at a later time. More simply stated, a user's hand written notes, which are written on paper-pad 40, are concomitantly displayed on touchsensitive display 25 a associated withPDD 15. Thereafter, the user's handwritten notes can be electronically stored to and retrieved from memory which is associated withPDD 15. - FIGS.5(a), 5(b), 5(c), and 5(d) show various views of another embodiment of
palm pad system 5 b according to principles of the present invention. More specifically and referring to FIG. 5(a),palm pad system 5 b includes a conventional PDD 15 b having a pivotal flip-down connection 17 toelectronic notepad 10 b. A flexible data communication bus (not shown) connected between PDD 15 b andnotepad 10 b enables data communication between PDD 15 b andnotepad 10 b. FIG. 5(b) is a side view ofpalm pad system 5 b. FIG. 5(c) showspalm pad system 5 b in a closed position. FIG. 5(d) is an isometric view ofpalm pad system 5 b positioned in a user's hand during use. - Referring to FIG. 6, another embodiment of the present invention includes the integration of
electronic notepad 10 c withlaptop computer 300.Electronic notepad 10 c can be coupled to a conventional processor (not shown) as well as conventional memory (not shown) contained withinlaptop computer 10 c. Such a configuration allows a user to take handwritten notes onelectronic notepad 10 c and electronically store the notes inlaptop computer 300. Thereafter, the stored notes can be retrieved and displayed on ascreen 310 associated withlaptop computer 300. - Referring to FIG. 7, another embodiment of the present invention includes a fully integrated palm pad system5C. Integrated palm pad system 5C includes a substantially
rigid housing 400 containingelectronic notepad 10 d andPDD 15 d.Electronic notepad 10 d is positioned adjacent to a first window defined onhousing 400 andPDD 15 d is positioned adjacent to a second window defined onhousing 400. Although not shown in FIG. 7, theelectronic notepad 10 d andPDD 15 d are coupled together by a data bus which operates in a similar manner as that previously described in earlier embodiments. - The above described
palm pad system 5 has many advantages over the prior art such as enabling handwritten notes to be converted into an electronic file or pages which can be stored and/or retrieved in the memory ofPDD 15. The electronic file can further be displayed on a touchsensitive display 25 a associated withPDD 15. - The invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of the equivalency of the claims are therefore intended to be embraced therein.
Claims (20)
1. A palm pad system for enabling a user to electronically display, store, and retrieve hand written data, the palm pad system comprising:
a base;
an electronic notepad retained on the base;
a personal digital device retained on the base, the personal digital device being coupled to the notepad;
a source for generating a signal, the source being positioned in close proximity to the notepad,
wherein the notepad is constructed and arranged to sense the signal generated by the source, the signal corresponding to a relative position of the source with respect to the notepad; and
wherein the notepad is constructed and arranged to communicate the relative position of the source to the personal digital device, the personal digital device being constructed and arranged to generate an electronic file representing the relative position of the source, the electronic file being displayed on a display area associated with the personal digital device.
2. The palm pad system of claim 1 , wherein the electronic notepad includes an integrated printed circuit board assembly having a plurality of etched loops formed thereon, the etched loops being receptive to the signal generated by the source.
3. The palm pad system of claim 2 , wherein the etched loops are uniformly distributed over the surface of the printed circuit board assembly, the etched loops defining an X-grid pattern and a Y-grid pattern.
4. The palm pad system of claim 3 , wherein the electronic notepad further includes a paper-pad, the paper-pad being securely mounted on the printed circuit board assembly.
5. The palm pad system of claim 1 , further comprising an elongated pen, the pen containing the source.
6. The palm pad system of claim 5 , wherein the elongated pen further comprises:
a hollow elongated body having a first end and second end;
an ink supply positioned in the hollow elongated body;
a writing tip, the writing tip being coupled to the ink supply;
a micro-switch coupling the source to the writing tip, wherein actuation of the micro-switch couples the writing tip to the source.
7. The palm pad system of claim 6 , wherein the source includes an electromechanical transmitter.
8. The palm pad system of claim 7 , wherein the elongated pen further comprises:
a cap having an aperture with a retractable non-writing tip mounted therein, the cap being dimensioned to closely conform to the first end and the second end of the pen, the first end of the pen cooperating with the non-writing tip to force the non-writing tip into a retracted position defined in the cap and the second end of the pen cooperating with the non-writing tip to force the non-writing tip to extend outwardly from the aperture defined on the cap.
9. The palm pad system of claim 1 , wherein the base includes a personal digital device retaining surface for securely retaining the personal digital device on the base and a notepad retaining surface for securely retaining the notepad on the base.
10. The palm pad system of claim 9 , wherein the base further includes a flexible section defined intermediate the personal digital device retaining surface and the notepad retaining surface, the flexible section enabling the personal digital device retaining surface and the notepad retaining surface to be folded toward each other.
11. The palm pad system of claim 9 , wherein the personal digital device retaining surface is pivotably coupled to the notepad retaining surface.
12. The palm pad system of claim 10 , wherein a number of substantially rigid loops are mounted on the flexible section defined on the base, the number of loop being longitudinally aligned with respect to each other, each loop being dimensioned to accept a cylindrical object therethrough.
13. The palm pad system of claim 10 , wherein the base further includes a flap, the flap being mounted on the base adjacent to the personal digital device retaining surface, the flap enclosing the couple defined between the personal digital device and the notepad.
14. The palm pad system of claim 9 , wherein the base is comprised of a synthetic material.
15. The palm pad system of claim 9 wherein the base is comprised of leather.
16. The palm pad system of claim 9 wherein the base further includes a power supply retaining structure adapted to retain a power supply in a secure position on the base.
17. An integrated palm pad system for enabling a user to electronically display, store, and retrieve hand written data, the palm pad system comprising:
a housing having a first window and a second window;
an electronic notepad coupled to a personal digital device, the notepad and the personal digital device being contained in the housing, the notepad being positioned adjacent to the first window and the personal digital device being position adjacent to the second window;
a source for generating a signal, the source being positioned in close proximity to the notepad,
wherein the notepad is constructed and arranged to sense the signal generated by the source, the signal corresponding to a relative position of the source with respect to the notepad; and
wherein the notepad is constructed and arranged to communicate the relative position of the source to the personal digital device, the personal digital device being constructed and arranged to generate an electronic file representing the relative position of the source, the electronic file being displayed on a display area associated with the personal digital device.
18. A palm pad system for enabling a user to electronically display, store, and retrieve hand written data, the palm pad system comprising:
a base;
means for converting handwritten data into an electronic file, the means for converting handwritten data into an electronic file being retained on the base;
means for receiving and processing the electronic file, the means for receiving and processing the electronic file being retained on the base,
wherein the means for receiving and processing the electronic file is constructed and arranged to display, store, and retrieve the electronic file.
19. The palm pad system of claim 18 , wherein the means for receiving and processing the electronic file comprises:
means for displaying the electronic file;
means for storing the electronic file;
means for retrieving the electronic file; and
means for controlling the displaying, storing and retrieving of the electronic file.
20. A palm pad system for enabling a user to electronically display, store, and retrieve hand written data, the palm pad system comprising:
a laptop computer;
an electronic notepad integrated with the laptop computer;
a source for generating a signal, the source being positioned in close proximity to the notepad,
wherein the notepad is constructed and arranged to sense the signal generated by the source, the signal corresponding to a relative position of the source with respect to the notepad; and
wherein the notepad is constructed and arranged to communicate the relative position of the source to the laptop computer, the laptop computer being constructed and arranged to generate an electronic file representing the relative position of the source, the electronic file being displayed on a screen associated with the laptop computer
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US9304612B2 (en) * | 2014-03-07 | 2016-04-05 | Lenovo (Singapore) Pte. Ltd. | Off-screen input capture for mobile device |
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US6806867B1 (en) | 2004-10-19 |
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Owner name: WACOM CO. LTD., JAPAN Free format text: SECURITY AGREEMENT;ASSIGNORS:FINEPOINT INNOVATIONS, INC.;INPLAY TECHNOLOGIES, INC.;REEL/FRAME:022878/0368 Effective date: 20090626 |