WO1998058307A1 - Terminal informatique personnel portable - Google Patents
Terminal informatique personnel portable Download PDFInfo
- Publication number
- WO1998058307A1 WO1998058307A1 PCT/JP1997/002068 JP9702068W WO9858307A1 WO 1998058307 A1 WO1998058307 A1 WO 1998058307A1 JP 9702068 W JP9702068 W JP 9702068W WO 9858307 A1 WO9858307 A1 WO 9858307A1
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- WO
- WIPO (PCT)
- Prior art keywords
- signal
- information terminal
- switching
- portable information
- external computer
- Prior art date
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Classifications
-
- 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
-
- 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
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
Definitions
- the present invention relates to a portable information terminal device, and more particularly to a personal information terminal device constituted by a PC force type driven by an internal battery.
- mobile terminals For example, recently, personal digital assistants (hereinafter referred to as “mobile terminals”) called “electronic organizers”, “palm tops”, “Personal Digital Assistants (PDAs) j”, etc. has been commercialized.
- mobile terminals electronic organizers
- PDAs Personal Digital Assistants
- the above-mentioned PDA is a portable information device for individuals, and is based on the functions of a conventional notebook (paper notebook) such as schedule management, address book, memo, etc. It has a human power function and a data communication function.
- a conventional notebook paper notebook
- It has a human power function and a data communication function.
- Known in the market are "Newton” announced by Apple in the United States in 1993 and "Zaurus” announced by Sharp in Japan.
- PIM Personal Information anager
- a method is generally used in which characters are handwritten on a touch panel and character recognition is performed by a software to determine and execute an input command.
- the conventional portable terminal has various input means as described above, and these input means are inconvenient in operation. That is,
- the method of inputting characters by hand on the touch panel has a problem that the recognition rate is insufficient and it takes time and patience to manually input a large amount of data.
- An object of the present invention is to provide a new PC-powered personal digital assistant device which solves the above-mentioned conventional problems. This makes it possible to achieve both easy input of data or input of data and portability, and realize long-term operation with a small-capacity battery.
- a program ROM a work RAM, a data storage memory, an input key, a liquid crystal display panel, a liquid crystal drive control circuit, a built-in battery, and the program And a central processing unit that operates using the R0M and the work RAM and displays data in the data storage memory on the liquid crystal display panel.
- a portable information terminal device also having:
- a switching control circuit that outputs a switching signal based on an input signal from an external computer device connected to the portable information terminal device;
- an address bus, a data bus, and a memory connected to the central processing unit by the switching signal.
- a control signal switching circuit for switching a control signal line to an address bus, a data bus, and a memory control signal line connected to the external computer device;
- a PCMCIA-standard female connector connected to the external computer device.
- a connection to a serial interface device is enabled.
- a P-CMCIA bus control signal is switched to a serial signal based on an input signal from a serial interface device connected between the portable information terminal device and an external computer device.
- a real signal switching circuit
- a recognition circuit for recognizing the serial interface device is a recognition circuit for recognizing the serial interface device.
- a power supply switching circuit for switching a power supply signal between an internal battery and an external computer device when a switching signal is input is further provided.
- a power supply switching circuit for switching a power supply signal between a built-in battery and a serial interface device based on an input signal is further provided.
- a serial interface device includes a serial connector, a voltage transformer, a PCMCIA standard connector, a waveform generation circuit, and a power supply. , And two sets of input / output signal terminals and at least
- One of the two input / output signal terminals is connected to a personal digital assistant with a PCMCIA standard connector, the other is connected to an external computer device, and the other It is configured to transmit and receive a serial signal between the information terminal device and the external convenience device. Further, as a preferred embodiment, serial signals having different data bit lengths or transfer rates for input signals and output signals are transmitted and received between the portable information terminal device and the convenience device. It is configured as follows.
- a liquid crystal drive control circuit, a switching control circuit, and a control signal switching circuit are integrated on a single semiconductor chip to form a dedicated IC.
- a liquid crystal drive control circuit and a switching control The circuit, the control signal switching circuit, the serial signal switching circuit, and the recognition circuit are integrated on one semiconductor chip to form a dedicated Ic.
- the data storage memory is
- the programming R0M is constituted by a mask R0M or a flash memory.
- the built-in battery is composed of two lithium-coin batteries connected in series.
- the liquid crystal display panel is composed of an STN monochromatic reflection panel or an STN color reflection panel.
- the liquid crystal display panel is a liquid crystal display panel. The top cover is placed on the display side of the LCD panel, the circuit board is placed behind the LCD panel, the circuit components are placed on the surface of the circuit board opposite to the LCD panel, and the bottom cover that protects the circuit components is placed. By arranging them, these are configured in a five-layer structure.
- the outer shape and the thickness size are configured in accordance with the PMCIA standard type II.
- FIG. 1 shows a personal digital assistant (hereinafter, referred to as a personal digital assistant) according to an embodiment of the present invention.
- FIG. 2 is an external front view of a “mobile terminal”.
- 2 and 3 are external views illustrating the state of the display screen when the user uses the mobile terminal of the present invention alone.
- FIG. 4 is an explanatory diagram of a connection state in which the mobile terminal of the present invention is connected to an external viewing device.
- FIG. 5 shows a mobile terminal of the present invention, a serial interface device, It is an explanatory diagram of the connection state between an external computer device and a notebook computer.
- FIG. 6 is a circuit block diagram of the portable terminal of the present invention shown in FIG.
- FIG. 7 is a circuit block diagram illustrating a state in which the portable terminal 601 according to the first embodiment of the present invention is connected to an external computer device 612.
- FIG. 8 is a circuit block diagram showing a configuration of the mobile terminal according to the second embodiment of the present invention.
- FIG. 9 is a circuit block diagram illustrating a state where the portable terminal 801 is connected to the external computer device 812 in the second embodiment of the present invention.
- FIGS. 10 and 11 are circuit block diagrams showing the configuration of the portable terminal according to the third embodiment of the present invention.
- FIG. 12 is a block diagram showing a circuit configuration in a dedicated IC according to the third embodiment of the present invention.
- FIG. 13 is a block diagram showing an example of a serial interface device connected to the portable terminal of the present invention.
- FIG. 14 shows an example in which a central processing unit (CPU) is used instead of the waveform generation circuit 1303 in FIG.
- CPU central processing unit
- FIG. 15 (b) is a schematic diagram of the portable terminal of the present invention as viewed from the front
- FIG. 15 (a) is a schematic diagram showing a cross section taken along line AA of FIG. 15 (b).
- FIG. 1 is an external front view of a personal portable information terminal device (hereinafter, “portable terminal”) according to an embodiment of the present invention.
- portable terminal a personal portable information terminal device
- FIG. 1 The PC card-type mobile terminal of the present invention shown in FIG. 1, a connector 102, a liquid crystal display panel 103, and various input keys 104.
- the external size of the housing 101 conforms to the PCMCI A- (Personal Computer Memory Card International Association) standard or the JEIDA standard (Japan Electronic Industry Development Association) type II. ⁇ 0.1 mm) X width (85 • 6 ⁇ 0.2 mm) X thickness (5.0 mm).
- PCMCI A- Personal Computer Memory Card International Association
- JEIDA Joint Electronic Industry Development Association
- the connector 102 is a connection terminal for electrically connecting to an external computer device to be described later.
- the connector 102 is a 68 PIN PCMCIA connector conforming to the above-mentioned PCMCIA standard or JEIDA standard. ⁇
- a PC card is a card-type peripheral device for a personal computer, which has been conventionally called an IC memory card, and PCMCIA in the United States and JEIDA of this book jointly standardized it.
- the specifications of the socket card service, card service, ATA card, and AIMS card were added to the PC card guide line (Ver. 4.1) standard in October 1993. It corresponds to the US PCMCIA (Ver. 2.1) standard.
- Various PC card products include memory cards, node disk cards, modem cards, LAN cards, I / O interface cards, and sound cards. It is commercially available.
- the liquid crystal display panel 103 is for displaying data, and is a STN monochromatic reflection type or STN color reflection type liquid crystal display panel having a pixel count of 160 ⁇ 100, and is a liquid crystal display panel 103. In the case of a 6 X 10 font for alphanumeric characters, the number of pixels that can display 26 characters X ⁇ lines is displayed on the screen.
- the input key 104 is an input key for selecting a cursor or a PIM software for performing a cursor operation on the screen of the power switch key or the liquid crystal display panel 103 and selecting a menu. .
- FIGS. 2 and 3 are external views illustrating the state of the display screen when the user uses the mobile terminal of the present invention alone.
- Fig. 2 shows the state before the power is turned on
- Fig. 3 shows the state after the power is turned on.
- the 0N / 0FF key 201 shown in FIG. 2 is a power switch, which is a toggle switch for turning on / off the power of the mobile terminal. Since FIG. 2 is before the power is turned on, nothing is displayed on the liquid crystal display panel 202.
- An upper cursor key 203 and a lower cursor key 204 shown in FIG. 3 are cursor keys for moving a cursor 207 displayed on the screen of the liquid crystal display panel 202 up, down, left, and right.
- An enter key 205 is an enter key for determining application software and inputting data.
- the mode key 206 is a key used when switching screens or the like in the application software.
- FIG. 3 On the LCD display panel 202 shown in FIG. 3, icons corresponding to each application software such as an address book, a schedule book, a clock, a memo book, and the like are shown.
- Reference numeral 208 denotes an icon selected by the cursor keys, and non-selected icon 209 denotes an icon in a non-selected state.
- the cursor 207 indicates that the cursor is on the icon of the address book in this example.
- FIG. 4 is an explanatory diagram of a connection state in which the mobile terminal of the present invention is connected to an external computer device.
- the illustrated external view shows a state in which a portable terminal 402 of the present invention is inserted into a PCMCIA card slot 403 in a notebook personal computer 401.
- the notebook personal computer 401 has a PCMCIA standard 68-pin connector mounted inside the PCMCIA slot 403.
- the portable terminal 402 of the present invention has a 68-pin female connector 404 conforming to the PCMCIA standard. By inserting the female connector 404 into the PCMCIA card slot 403, It can be connected to the 401-type personal computer.
- a notebook-type personal computer is used as an external computer device, and if a PCMCIA slot is provided, a disk-type personal computer is used. Use a personal computer and enjoy.
- FIG. 5 is an explanatory diagram of the connection relationship between the portable terminal of the present invention, a serial interface device, an external computer device, and a notebook computer.
- the portable terminal of the present invention is inserted into a notebook computer via a PCMCIA interface, and the internal data is taken out and used. Furthermore, it can be connected to an external computer device via a serial interface device to be described later, and the internal data can be taken out and used.
- FIG. 6 is a circuit block diagram of the portable terminal of the present invention shown in FIG.
- a portable terminal 601 of the present invention includes a program ROM 602, a work RAM 603, a data storage memory 604, an input key 605, a built-in battery 606, and a liquid crystal display.
- a panel 607 a central processing unit (hereinafter referred to as a CPU) 608 corresponding to a second control means (microcomputer), a power supply circuit 609, and a PCMCIA standard
- ASIC Application Specific Integrated Circuit
- Data bus and memory control signal lines are connected to CPU 608 and dedicated IC 611 including switching control Z control signal switching Z liquid crystal drive control Z serial signal switching circuit, etc.
- the address bus, data bus, and memory control signal lines of the memory 604 are connected to the dedicated IC 611, the liquid crystal display panel 607 is connected to the dedicated IC 611, and the power supply circuit 609 is built-in. Power is supplied to the entire portable terminal 601 by being connected to the battery 606.
- An input key 605 operated by the user is connected to the CPU 608 and the dedicated IC 61 1.
- a buzzer 617 is connected to the CP 608.
- a PCMCIA standard female connector 610 that connects to an external computer device 612 is connected to the dedicated IC 611.
- the dedicated IC 611 includes a liquid crystal drive control circuit for controlling the liquid crystal display panel 607, a switching control circuit for outputting a switching signal in response to a signal input from an external computer device, and an external computer device.
- the address bus, the data bus, and the memory control signal line output from the CPU 608 by the switching signal are output from the external computer device.
- a control signal switching circuit for switching to an address bus, a data bus, and a memory control signal line.
- Each of the above circuits is integrally configured as a dedicated IC circuit.
- FIG. 7 is a circuit block diagram illustrating a state in which the portable terminal 601 according to the first embodiment of the present invention is connected to an external computer 612. .
- This circuit block diagram shows that the PCMCIA standard male connector 610 of the portable terminal 601 is connected to the PCMCIA standard male connector of the external console device 612 (see FIG. 4). Show.
- the illustrated signal line group 614 indicates a data bus, an address bus, and a memory control signal line output from the external computer device 612, and the data storage inside the portable terminal 601 via the dedicated IC 611.
- the PCMCIA standard female connector of the portable terminal 601 is connected.
- the switching within the dedicated IC 611 is performed by the power signal 613 input from the external computer device 612 via the PCMCIA standard connector 610.
- the control circuit outputs a switching signal
- the control signal switching circuit in the dedicated IC 611 receives the address signal, the data bus and the memory control signal line output from the CPU 608, and connects the external signal to the external circuit.
- the access of the CPU 608 to the data storage memory 604 is stopped, and the external storage device 612 can access the data storage 604.
- the switching control circuit in the dedicated IC 611 outputs a switching signal, and the control signal switching circuit that receives this outputs the switching signal.
- the address bus, the decommissioning bus and the memory control signal line output from the external computer device 612 are connected to the address bus, the data bus and the memory control signal line output from the CPU 608. Switch. As a result, the access of the external computer device '6-12' to the data storage memory 604 is stopped, and the CPU 608 can access it.
- the power signal is used for detecting the connection between the portable terminal 601 and the external computer device 612, but another output signal may be used instead of the power signal.
- the portable terminal 601 of the present invention when the portable terminal 601 of the present invention is connected to the external computer device 612 via the PCMCIA standard connector, it corresponds to the application software on the portable terminal 601.
- the external data By creating data in advance on the external computer device 612 and transferring the created data to the data storage memory 604 in the portable terminal 601, the external data is created.
- the data created by the computer device 612 is stored in the data storage memory 604. Therefore, the user can easily acquire the latest data without performing complicated operations on the portable terminal 601 to input data.
- the user After the transfer of the data from the external computer device 612, the user removes the portable terminal 601 from the external computer device 612, and displays the latest data on the liquid crystal display panel 607. It can be displayed.
- the input of data from an external computer device to the mobile terminal has been mainly described.
- the data input with the input key of the mobile terminal is stored in advance in a storage medium. It can also be stored in memory and input from mobile terminals to external computer devices.
- FIG. 8 is a circuit block diagram showing a configuration of the mobile terminal according to the second embodiment of the present invention.
- the present embodiment will be described with reference to the drawings.
- the portable terminal 801 shown in the figure includes a program ROM 802, a work RAM 803, a data storage memory 804, an input key 805, an internal battery 806, and a liquid crystal display.
- Panel 807 and CPU 808 The power supply circuit includes a power supply switching circuit 809, a PCMCIA standard female connector 810, and a dedicated IC811. -As is clear from the figure, the difference from the first embodiment is that the power supply switching circuit is built in the power supply circuit and the power supply signal from the PCMCIA standard female connector 810 is used as the power supply circuit / power supply. It is connected to the switching circuit 809.
- the program ROM 802 and the address bus, data bus, and memory control signal lines of the memory RAM 803 are connected to the CPU 808 and the dedicated IC 811, and are connected to the data store.
- the address bus, data bus and memory control signal lines of the storage memory 804 are connected to a dedicated IC
- the liquid crystal display panel 807 is connected to a dedicated IC 811
- the power supply circuit and the power supply switching circuit 809 are built-in batteries 806. And outputs the entire portable terminal 801 as a power signal.
- the input key 805 is connected to the CPU 808 and the dedicated IC 811. Further, a buzzer 817 is connected to the CPU 808.
- the dedicated IC 811 is connected to a PCM CIA standard female connector 810 to be connected to an external computer device 812.
- the dedicated IC 811 includes a liquid crystal display panel driving circuit for controlling the liquid crystal display panel 807, a switching control circuit for outputting a switching signal according to a signal input from an external computer device, and an external computer.
- the address bus, data bus and memory control signal output from the CPU 808 by the switching signal are transferred to an external computer. It has a control signal switching circuit for switching to the address bus, data bus, and memory control signal lines output from the device.
- FIG. 9 is a circuit block diagram illustrating a state in which a portable terminal 801 is connected to an external # @ computer device 812 in the second embodiment of the present invention. 7 20
- the circuit configuration in this figure shows a state in which the PCMCIA standard connector of the portable terminal 801 has 810 power and is connected to the PCMCIA connector (see Fig. 4) of the external computer device 812 as shown. I have.
- a signal line 814 indicates a data bus, an address bus, and a memory control signal line output from the external computer device 812, and is used for data storage in the portable terminal 801 via the dedicated IC 811. Connected to the data bus, address bus and memory control signal line of the memory 804.
- the power supply signal 813 input from the external computer device 812 causes the dedicated IC 811 to be connected.
- the switching control circuit inside outputs a switching signal, and the control signal switching circuit that receives it switches the address bus, data bus, and memory control signal lines output from the CPU 808 to external computer equipment. Switches to the address bus, data bus and memory control signal lines output from 812. As a result, the access of the CPU 808 to the data storage memory 804 is stopped, and the data can be accessed from the external computer device 812.
- the power signal 813 When the user disconnects the mobile terminal 801 from the external computer device 812, the power signal 813 is opened, and the switching control circuit in the dedicated IC 811 outputs a switching signal, and receives the control signal.
- the switching circuit connects the address bus, data bus and memory control signal lines output from the external computer device 812 to the address bus, data bus and memory control signals output from the CPU 808. Switch to line. As a result, the access of the external computer device 812 to the data storage memory 804 is stopped, and the external computer device 812 can be accessed from the CPU 808.
- the power signal 813 is transmitted from the external computer 812.
- the signal is input to the power supply switching unit 815 in the power supply circuit Z power supply switching circuit 809 via the PCMCIA standard connector 810.
- the power supply switching unit 815 is connected to a PMCIA standard connector 810, a built-in battery 806, and a dedicated IC 811.
- the power switching unit 815 is built in by the power signal 813 input from the external computer device 812.
- the power supply signal 816 output from the battery 806 is cut off, and the power supply signal 813 output from the external computer device 812 is output to the entire portable terminal 801. As a result, the battery capacity of the built-in battery 806 is saved.
- the power switching unit 815 transmits the power signal 816 output from the built-in battery 806 to the entire mobile terminal 801.
- the external computer device 81 of the mobile terminal 801 is used.
- the power signal is used to detect the connection with 2
- other output signals can be used instead of the power signal.
- FIGS. 10 and 11 are circuit block diagrams showing the configuration of the portable terminal according to the third embodiment of the present invention. The embodiment will be described below with reference to the drawings.
- the mobile terminal 1001 has a program memory 1002, a work RAM 1003, a data storage memory 1004, an input key 1005, a built-in battery 1006, and a liquid crystal display. It has a panel 1007, a CPU 1008, a power supply circuit Z power supply switching circuit 1009, a PCMCIA standard female connector 1010, a dedicated IC 1011, and a serial / parallel conversion circuit 1020. Further, as shown in FIG. 11, it is connected to a serial interface device 1018.
- the address bus, data bus and memory control signal lines of the program R0M1002 and the work RAM1003 are connected to the CPU 1008 and the dedicated IC 1011,
- the address bus, data bus, and memory control signal lines of the memory for memory 1004 are connected to the dedicated IC 1011.
- the liquid crystal display panel 1007 is connected to the dedicated IC 1011.
- the switching circuit 1009 is connected to the built-in battery 1006, and outputs a power signal to the entire portable terminal 1001.
- the input key 1005 is connected to the CPU 1008 and the dedicated IC 1011.
- a buzzer 1017 is connected to CPU 1008.
- the PCM CIA standard female connector 1010 connected to an external computer device 1012 is connected to the dedicated IC 1011.
- the dedicated IC 1011 has a liquid crystal drive control circuit that controls the liquid crystal display panel 1007, and a CPU 1008 that uses a switching signal to access data storage memory from an external computer device.
- a control signal switching circuit for switching an address bus, a data bus, and a memory control signal line output from the controller to an address bus, a data bus, and a memory control signal line output from an external computer device;
- a serial signal switching circuit that switches a PCMCIA bus control signal to a serial signal 1021 according to a signal input from the serial interface device 1018, and a serial interface device.
- a recognition circuit for recognition for recognition.
- the illustrated signal line group 1014 indicates a data bus, an address bus, and a memory control signal line output from the external computer device 1012, and the data line group in the mobile terminal 1001 via the dedicated IC 1011. Connected to the data bus, address bus, and memory control signal line of the status storage memory 1004.
- the external computer The switching control circuit in the dedicated IC 1011 outputs a switching signal in response to a power signal 1013 input from the device 1012, and the control signal switching circuit which receives the switching signal outputs the address bus, data bus, and memo output from the CPU 1008.
- the control signal line is switched to an address bus, a data bus, and a memory control signal line output from the external device 1012. As a result, the access of the CPU 1008 to the data storage memory 1004 is stopped, and the external storage device 1012 can access the data storage memory 1004.
- the switching control circuit in the dedicated IC 1011 outputs a switching signal, and the control that receives the signal is output.
- the signal switching circuit connects the address bus, the data bus and the memory control signal line output from the external computer device 1012 to the address bus, the data bus and the memory control signal output from the CPU 1008. Switch to line. As a result, access of the external computer device 1012 to the data storage memory 1004 is stopped, and the CPU 1008 can access the data storage memory 1004.
- a PCM CIA standard connector 1010 of a portable terminal 1001 is connected to an osc connector of a serial interface device 1018.
- the serial signal switching circuit in the dedicated IC 1011 switches the PCMCIA and control signal lines to serial signals.
- the line is switched to the line 1019, and the CPU 1008 performs serial data communication with the serial interface device 1018 via the serial Z parallel conversion circuit 1020.
- serial interface device 1018 is connected to the serial report of the external device—the evening device 1012 through the RS——232C interface. Connected at 1022 (see Figure 5).
- the portable terminal 1001 of the present invention can perform serial data communication with the external convenience device 1012 via the serial interface device 1018.
- the dedicated IC When the PCMCIA standard connector 1010 of the portable terminal 1001 is connected to the serial interface device 1018, the dedicated IC is operated by the signal input from the serial interface device 1018.
- the recognition circuit in 1011 recognizes the serial interface device 1018.
- a recognition algorithm for recognizing the serial interface device 1018 will be described.
- the personal computer when a personal computer without a PCMCIA standard slot is used as the external computer device, the personal computer is connected to the RS--2. If you have a 32C serial port, you can perform serial data communication with a personal computer via a serial interface.
- the power switching unit 1015 switches the power signal of the built-in battery 1006 and the external computer device 1012 or the serial interface device 1018 to save the battery capacity of the built-in battery.
- FIG. 12 is a block diagram showing a circuit configuration in a dedicated IC according to the third embodiment of the present invention.
- the power signal 1202 input from the external display device 1012 or the serial interface device 1018 is input to the switching control circuit 1203 in the dedicated IC 1201, and the switching signal 1207 is controlled from the switching control circuit 1203.
- the signal is output to the signal switching circuit 1204, and switches the bus between the storage memory 1004 and the CPU 1008.
- the power signal 1202 is input to the switching control circuit 1203, and the switching signal 1207 is output to the control signal switching circuit 1204. Is done.
- a recognition signal output from the serial interface device 1018 is input from an address bus data bus 1208 and a memory control signal line 1209 of a PCMCIA standard connector.
- the recognition circuit 1205 in the dedicated IC 1201 follows the recognition procedure described above, and the mobile terminal 1201 recognizes the serial interface device 1018, and the serial interface device 1018 recognizes the serial interface device.
- Serial signals input / output from / to the CPU 1008 via the serial / parallel conversion circuit 1020.
- FIG. 13 is a block diagram showing an example of a serial interface device connected to the portable terminal of the present invention.
- FIG. 14 is a block diagram of another example of a serial interface device connected to the portable terminal of the present invention.
- the serial interface device consists of a serial connector 1301 having D sub 9 pins or D sub 25 pins, and a voltage for converting the signal level of RS-232C to a signal level of 5 V. It comprises a conversion circuit 1302, a waveform generation circuit 1303, a PCMCIA standard connector 1304, and a power supply section 1305.
- the PCMCIA standard male connector of the portable terminal of the present invention is connected to the PCMCIA standard male connector 1304, and the external computer device is connected to the serial connector 1301.
- FIG. 14 shows an example in which a central processing unit (CPU) is used instead of the waveform generation circuit 1303 in FIG.
- the serial interface device includes a serial T-connector 1401 having D-sub 9-pin or D-sub 25-pin and a RS--232C signal level. 5 V signal level It is composed of a voltage conversion circuit 1402 for converting to a power supply, a CPU 1403, a PCMCIA standard connector 1404, and a power supply unit 1405.
- the PCMCIA-standard connector 1404 is connected to a PCMCIA-standard connector of the portable terminal of the present invention, and the serial connector 1401 is connected to an external console device.
- the CPU when the CPU is used, it is possible to transmit and receive the input signal to the CPU and the serial data signals having different data bit lengths or transfer speeds in the output signal.
- the protocol between the CPU and the software between the mobile terminal and the serial interface device and between the external computer device and the serial interface device. It is possible to transmit and receive serial signals with different data bit lengths or transfer speeds.
- FIG. 15 (b) is a schematic diagram of the portable terminal of the present invention as viewed from the front
- FIG. 15 (a) is a schematic diagram showing a cross section taken along line AA of FIG. 15 (b).
- a circuit board 1503 having a circuit component 1504 mounted on one side, and a liquid crystal display panel 1502 is adhered to the circuit board 1503 on a surface opposite to the mounting surface of the circuit component 1504.
- the circuit board 1503, the circuit components 1504, and the liquid crystal display panel 1502 are — A five-layer structure sandwiched between 1501 and bottom cover 1505.
- a PCMCIA-standard female connector 1506, a built-in battery 1507, and an input key 1508 are arranged, and a battery holder 1509 is opened and closed to mount and remove the built-in battery.
- the external size of the portable terminal of the present invention conforms to the PCMCIA standard or the JEIDA standard type 11, and is vertical (54.1 ⁇ 0.1 mm) X horizontal (8 5.6 ⁇ 0.2 mm) x thickness (5.0 mm). Therefore, the cross section in Fig. 15 (a) has a thickness of less than 5.0 mm, and the vertical and horizontal dimensions are naturally within the above-mentioned standards.
- the memory for data storage of the portable terminal of the present invention may use a non-volatile memory, for example, a flash memory or an EPROM may be used. It is also possible to configure a memory power supply circuit that can hold the memory when replacing the battery, or use an SRAM with a high data read / write speed if there is no problem if the data is erased when the internal battery runs out. .
- flash memory when flash memory is used as the memory for status storage of the portable terminal of the present invention, a part of the memory sector may be used as a ROM area for a program. .
- a mask ROM or a flash memory is used as the program ROM of the portable terminal of the present invention.
- flash memory it is possible to transfer the program from an external device to the program ROM via the PCMCIA connector and rewrite it with the latest program.
- the built-in battery of the mobile terminal of the present invention when two lithium-coin primary batteries are connected in series and the storage memory uses the SRAM, the batteries must be replaced one by one at the time of battery replacement. This allows the storage memory to be Construct a power backup circuit that can hold the contents with one battery.
- a lithium-coin primary battery, a lithium-ion secondary battery, or a solar cell is used as a built-in battery. Is also good.
- an external convenience device, a serial interface device, or a solar battery power source is used as a charging power source.
- liquid crystal display panel of the portable terminal of the present invention uses the STN monochromatic reflection type, but the reflection type or transflective type liquid crystal display panel of the STN color single reflection type, TFT type and MIM type. May be used. Industrial applicability
- the present invention has various advantages. That is,
- the portable terminal of the present invention is convenient for carrying because it is a business card size of the PCMCIA standard.
- the latest data input method is to connect to an external computer device having a PCMCIA standard slot and connect it to the external computer. Data can be easily input by transferring the latest data from the data device to the data storage memory in the mobile terminal.
- the mobile terminal of the present invention can be connected to the serial port of the external computer device via the serial interface device. By connecting, the latest data in the external computer device is transferred to the data storage memory in the mobile terminal, so that the latest data can be easily input without bothering the user can do.
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97927378A EP1022646A4 (en) | 1997-06-16 | 1997-06-16 | PORTABLE PERSONAL COMPUTING TERMINAL |
US09/445,829 US6728812B1 (en) | 1997-06-16 | 1997-06-16 | Portable information terminal |
PCT/JP1997/002068 WO1998058307A1 (fr) | 1997-06-16 | 1997-06-16 | Terminal informatique personnel portable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1997/002068 WO1998058307A1 (fr) | 1997-06-16 | 1997-06-16 | Terminal informatique personnel portable |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998058307A1 true WO1998058307A1 (fr) | 1998-12-23 |
Family
ID=14180686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/002068 WO1998058307A1 (fr) | 1997-06-16 | 1997-06-16 | Terminal informatique personnel portable |
Country Status (3)
Country | Link |
---|---|
US (1) | US6728812B1 (ja) |
EP (1) | EP1022646A4 (ja) |
WO (1) | WO1998058307A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
EP1022646A4 (en) | 2007-08-29 |
US6728812B1 (en) | 2004-04-27 |
EP1022646A1 (en) | 2000-07-26 |
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