US20030125096A1 - Cellular telephone, personal digital assistant, and pager unit with capability of short range radio frequency transmissions - Google Patents

Cellular telephone, personal digital assistant, and pager unit with capability of short range radio frequency transmissions Download PDF

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Publication number
US20030125096A1
US20030125096A1 US10/359,757 US35975703A US2003125096A1 US 20030125096 A1 US20030125096 A1 US 20030125096A1 US 35975703 A US35975703 A US 35975703A US 2003125096 A1 US2003125096 A1 US 2003125096A1
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United States
Prior art keywords
cellular telephone
user
ear piece
transceiver unit
hands
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Abandoned
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US10/359,757
Inventor
Peter Boesen
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Individual
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Individual
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Publication date
Priority claimed from US09/309,107 external-priority patent/US6094492A/en
Application filed by Individual filed Critical Individual
Priority to US10/359,757 priority Critical patent/US20030125096A1/en
Publication of US20030125096A1 publication Critical patent/US20030125096A1/en
Priority to US11/931,595 priority patent/US20080051138A1/en
Assigned to TROUT, MARTHA BOESEN reassignment TROUT, MARTHA BOESEN ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: S.P. TECHNOLOGIES LLC
Priority to US13/020,713 priority patent/US20120034873A1/en
Assigned to PETER V. BOESEN reassignment PETER V. BOESEN ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TROUT, MARTHA BOESEN
Abandoned legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use
    • H04M1/6058—Portable telephones adapted for handsfree use involving the use of a headset accessory device connected to the portable telephone
    • H04M1/6066—Portable telephones adapted for handsfree use involving the use of a headset accessory device connected to the portable telephone including a wireless connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1016—Earpieces of the intra-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0254—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets comprising one or a plurality of mechanically detachable modules
    • H04M1/0256—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets comprising one or a plurality of mechanically detachable modules wherein the modules are operable in the detached state, e.g. one module for the user interface and one module for the transceiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/16—Details of telephonic subscriber devices including more than one display unit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
    • H04R2201/107—Monophonic and stereophonic headphones with microphone for two-way hands free communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/13—Hearing devices using bone conduction transducers
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates generally to the cellular telephone industry, and more particularly to a hands-free cellular telephone system, including a personal digital assistant with pager capabilities.
  • a general feature of the present invention is the provision of an improved cellular telephone system which overcomes the problems found in the prior art.
  • a further feature of the present invention is the provision of a cellular telephone system which prevents the user's head from exposure to the potentially harmful emissions of current cellular telephones.
  • a further feature of the present invention is the provision of a cellular telephone system capable of hands-free operation.
  • Another feature of the present invention is the provision of a cellular telephone system capable of being worn by a user without interfering in a user's day to day activities.
  • a still further feature of the present invention is the provision of a cellular telephone capable of transmitting a user's voice while avoiding the transmission of surrounding sounds.
  • Another feature of the present invention is the provision of a cellular telephone system capable of providing hands-free use of a cellular telephone while maintaining access to a built-in personal digital assistant.
  • a still further feature of the present invention is the provision of one device which can function as a cellular telephone, a personal digital assistant, or a pager.
  • the present invention generally comprises a cellular telephone transceiver, an ear piece which receives the voice vibrations of a user, and a wireless linkage operatively connected between the two.
  • the ear piece When worn by a user, the ear piece receives the bone and air conductive voice vibrations transmitted through the user's external auditory canal and converts them into electrical signals. These electrical signals are then converted to short range low frequency radio waves and sent to the cellular transceiver.
  • the cellular transceiver unit then acts like a cellular telephone, a personal digital assistant and a pager.
  • the present invention includes a cellular transceiver unit which includes a standard telephone keypad and a display.
  • the display is preferably part of the personal digital assistant and can tell the user when an incoming telephone call, e-mail message, or page arrives.
  • the keypad can be flipped up to reveal the touch screen of the personal digital assistant to allow the user to keep track of appointments, phone numbers, and other personal, and business information.
  • the personal digital assistant can also use the cellular connection to access the internet and other sources of information. This allows the user to respond to e-mail messages, check stock prices, book hotels and perform a variety of other tasks.
  • FIG. 1 is a pictorial view showing a user wearing the cellular telephone system of the present invention.
  • FIG. 2 is a perspective view of the ear piece unit of the cellular telephone system of the present invention.
  • FIG. 3 is a cross-sectional view of the ear piece unit of FIG. 2 taken through the external auditory canal of the user.
  • FIG. 4 is a perspective view of the transceiver unit of the cellular telephone system of the present invention.
  • FIG. 5 is a bottom view of the transceiver unit of FIG. 4.
  • FIG. 6 is a perspective view of the transceiver unit with the cellular telephone interface flipped up to reveal the personal digital assistant of the present invention.
  • FIG. 1 illustrates the cellular telephone system 10 as worn by a user.
  • the user wears the ear piece 12 and the cellular transceiver unit 14 .
  • the cellular transceiver unit 14 may be worn on the user's belt 16 , though it is also possible to store the cellular transceiver unit 14 in a number of other areas which may be convenient for the user, such as a shirt pocket, coat pocket, or vest pocket.
  • the ear piece 12 includes an external ear canal portion 20 having a bone conduction sensor 22 in contact with the external auditory canal epithelium of the user, an air conduction sensor or microphone 46 , and a speaker 24 .
  • a casing 26 is also provided, having an ear attachment portion 28 and a fitting portion 30 that connects the ear attachment portion 28 with the bone conduction sensor 22 , the air conduction sensor 46 , and speaker 24 .
  • the ear attachment portion 28 is contoured to comfortably fit into the angle between the ear auricle and the temporal bone of the skull of the user and is preferably made of a lightweight aluminum or plastic material. It can be appreciated that the primary purpose of the ear attachment portion 28 is to secure the ear piece 12 in proper position.
  • the fitting portion 30 is integral with the ear attachment portion 28 and is reinforced with a flexible wire 32 so that the ear piece 12 may be adapted to fit the user and maintain the bone conduction sensor 22 and the air conduction sensor 46 in their proper positions with the external auditory canal 34 of the user.
  • the ear piece 12 should be fit so that the bone conduction sensor 22 is in contact with a portion of the external auditory canal 34 near the bony-cartilaginous junction. It is preferred that the bone conduction sensor 22 rest against the posterior superior wall of the external auditory canal 34 , with the flexible wire 32 of the fitting portion 30 shaped to bias the bone conduction sensor 22 into position. Fitting the device and calibrations may be performed by the user or with the assistance of a physician or an audiologist/audiology technician.
  • the bone conduction sensor 22 is a piezoelectric accelerometer of standard construction and may be obtained from Endevco Industries, among others.
  • Other pick-ups that can be used with the present invention include, but are not limited to, those of the magnetic type, electric condenser type, IC type, and semiconductor type. All are well-known in the art.
  • the external ear canal portion 20 is formed so that the bone conduction sensor 22 may be inserted into the external auditory canal 34 of the user and nonocclusively contact against the posterior superior wall of the bony canal.
  • the bone conduction sensor 22 is intended to pick up, as the voice signals, the vibrations of the upper wall of the external auditory canal 34 at the time of uttering the voice sounds. When the user utters voice sounds, these sounds reach the mastoid bones. These sound vibrations in the external auditory canal portion in contact with the bone sensor 22 are then processed.
  • the external ear canal portion 20 also includes an air conduction sensor or microphone 46 .
  • the air conduction sensor 46 is of standard construction and may be obtained from various hearing aid manufacturers, such as ReSound, Siemens AG, and Oticon with numerous small air microphones available which would process sound from air transmission.
  • a resilient member 36 is preferably positioned between the air conduction sensor 46 and the bone conduction sensor 22 in such a manner that the external sound collected by the air conduction sensor 46 will not be transmitted to the bone conduction sensor 22 .
  • the inner ear portion 20 also includes a speaker 24 .
  • the speaker 24 is of a type well known in the art and common in the hearing aid industry.
  • the speaker 24 is positioned directly in line with the tympanic membrane to facilitate clear transmissions while maintaining a low power output.
  • a circuit portion 38 transmits the electrical signals from both the bone conduction sensor 22 and the air conduction sensor 46 to a speech processor 40 .
  • the bone conduction sensor 22 and the air conduction sensor 46 are both tuned to receive frequencies within the range of audible human speech, approximately 50 to 8000 Hertz.
  • the speech processor 40 is of a conventional construction used in many hearing aids and employs a digital processing scheme to package the voice signal for transmission across a wireless linkage.
  • the speech processor 40 will be programmed to extract similarities from air and bone transmission, comparing the similarities in signal and then transmitting via a wireless linkage to a cellular telephone transceiver or other receiving device.
  • the speech processor 40 also filters out through band pass filters 42 sounds outside the frequency of normal human speech.
  • the speech processor 40 samples a portion of the electrical signals of voice sound information from the air conduction sensor 46 and a portion of the electrical signals of voice sound information from the bone conduction sensor 22 .
  • the speech processor 40 then transmits the selected voice signal to an ear piece transceiver 4 .
  • the ear piece transceiver 4 is preferably a wireless radio frequency transceiver well known in the art which includes a multi directional antenna 70 .
  • the ear piece transceiver 4 sends the voice signal to the cellular transceiver unit 14 .
  • the ear piece transceiver 4 also receives incoming signals from the cellular transceiver unit 14 and sends them to the speaker 24 .
  • the cellular transceiver unit 14 appears like the front of a normal cellular telephone and is worn by the user via a clip 72 which is secured to the user's belt.
  • the cellular transceiver unit 14 uses a conventional cellular transceiver to provide cellular communications.
  • the cellular transceiver unit 14 includes a standard twelve key keypad 50 , other function buttons 54 , and a display 52 .
  • the cellular telephone display 52 is preferably an LCD display incorporated as part of a personal digital assistant such as the current Palm Pilot® series of devices using the Palm OS®, Windows CE®, or other operating system, though separate displays may be used for the personal digital assistant and the cellular telephone display 52 .
  • the cellular transceiver unit 14 includes componentry which is common in the art. As shown in FIG. 5, the cellular transceiver unit 14 receives the relatively low powered radio frequency (RF) signals from the ear piece transceiver 4 via an RF local area network antenna 60 , processes the signal and transmits an amplified RF signal through the conventional cellular transceiver. Further, the cellular transceiver unit 14 receives incoming data through a cellular linkage antenna 62 and transmits this to the ear piece transceiver 4 using the low powered RF signals. The cellular transceiver unit 14 may transmit or receive using analog or digital technology.
  • RF radio frequency
  • the cellular transceiver unit 14 is also equipped with a personal digital assistant portion 64 .
  • a user presses an access button 66 to flip up the keypad 50 or the entire cellular telephone interface.
  • the personal digital assistant portion may also appear on the opposite side of the cellular transceiver unit 14 .
  • the keypad 50 flips up via two hinges 56 on top of the cellular transceiver unit 14 .
  • a user can enter commands using a traditional stylus or the user's finger.
  • Personal digital assistant buttons 68 which are common in the art, allow the user to access various functions of the personal digital assistant.
  • the personal digital assistant is operatively linked to the cellular transceiver to provide a linkage with which the personal digital assistant may access the internet or other services.
  • the personal digital assistant allows the user to keep track of appointments, phone numbers and other personal and business information.
  • the personal digital assistant also allows the user to receive and send e-mail messages, browse the internet for stock prices, hotel reservations, and a perform a variety of other tasks.
  • an access port, 72 is included on the bottom of the cellular transceiver unit 14 to allow the user to connect a keyboard, another cellular phone, another personal digital assistant, or other peripherals.
  • Both the cellular transceiver unit 14 and the ear piece 12 require power.
  • This power is supplied by one or more conventional rechargeable batteries 58 which may include a vibration system to alert the user to an incoming call, page or e-mail.
  • a separate vibration module 72 may be included which would operatively connect to the cellular transceiver unit 14 .
  • both the ear piece 12 and the cellular transceiver unit 14 include contacts 74 which allow the user to simply place them in a docking station so as to be electrically connected to the docking station.
  • the docking stations are conventional and are such that they remain connected to a power source such as a typical wall outlet The docking station may be able to power both the ear piece 12 and the cellular transceiver unit 14 at the same time.
  • a conventional cellular transceiver may be adapted to operatively connect the ear piece 12 to an existing cellular telephone.

Abstract

A cellular telephone system, including a cellular telephone transceiver unit, an ear piece which receives the voice vibrations of a user, and a wireless linkage operatively connecting the ear piece to the cellular telephone transceiver unit, allows a user to be in a hands-free mode when using a cellular telephone. The cellular telephone transceiver unit includes a personal digital assistant and a pager with a vibration module. The ear piece generally uses a bone sensor along with an air sensor placed in the external auditory canal of the user to detect the voice vibrations of the user. Further, a speaker is included in the ear piece to allow the user to hear incoming data from the cellular telephone transceiver. The wireless linkage uses low power radio frequency waves to send and receive signals between the ear piece and the cellular telephone transceiver unit. Both the ear piece and the cellular telephone transceiver unit require power which is supplied by batteries. Both the ear piece and the cellular telephone transceiver may be recharged by simply placing them in a docking station.

Description

    BACKGROUND OF THE INVENTION
  • 1. Field of the Invention [0001]
  • The present invention relates generally to the cellular telephone industry, and more particularly to a hands-free cellular telephone system, including a personal digital assistant with pager capabilities. [0002]
  • 2. Problems in the Art [0003]
  • Conventional cellular telephones, which have become extremely popular, use high frequency radio waves to transmit and receive data. They also generate extensive electromagnetic fields. Such high frequency waves and electromagnetic fields have been linked to cancer and other serious health problems. There is therefore a need to protect cellular telephone users from such potentially harmful effects. [0004]
  • Additionally, conventional cellular telephones require a user to hold the telephone and thereby cause the user to lose the use of that hand for driving or other purposes. Users have attempted to solve this problem by holding the cellular telephone in a manner which frees up both of the user's hands. However, this may cause other problems, such as limiting the user's field of view, range of motion, or causing discomfort. This presents potentially hazardous conditions for the user and others. There exists a need to free up both hands of a user for driving and other purposes. [0005]
  • Further, current systems and methods of operating a cellular telephone in a hands-free fashion have resulted in unsightly attachments which must be worn by the user. Microphones that are worn by a user tend to protrude into the facial area of the user and interfere with the user during times when it is desirable not to use the cellular telephone such as eating, drinking, and other day to day activities. Though such microphones may be adjusted and placed away from the user's facial area or removed during times when the cellular telephone is not in use, such adjustments are unnecessarily burdensome. It is therefore desirable to have a hands-free system capable of being worn by the user at all times without interfering in the day to day activities of the user. [0006]
  • Other forms of hands-free operation of a cellular telephone have placed the microphone away from the user's facial area. Such placement results in a loss of clarity of the user's voice and tends to interject other surrounding sounds, such as wind, traffic, radio, and other voices into the transmission of the user's voice. [0007]
  • Currently, cellular phones are beginning to merge with personal digital assistants for convenience purposes. A user can use the personal digital assistant and then use the cellular phone at a separate time. However, the combination typically prevents simultaneous use because the cellular telephone must be held close to the user's head, making the personal digital assistant inaccessible. It is therefore desirable to be able to access the personal digital assistant while using the cellular telephone. [0008]
  • There is therefore a need for a hands-free cellular telephone system which avoids these and other problems. [0009]
  • 3. Features of the Invention [0010]
  • A general feature of the present invention is the provision of an improved cellular telephone system which overcomes the problems found in the prior art. [0011]
  • A further feature of the present invention is the provision of a cellular telephone system which prevents the user's head from exposure to the potentially harmful emissions of current cellular telephones. [0012]
  • A further feature of the present invention is the provision of a cellular telephone system capable of hands-free operation. [0013]
  • Another feature of the present invention is the provision of a cellular telephone system capable of being worn by a user without interfering in a user's day to day activities. [0014]
  • A still further feature of the present invention is the provision of a cellular telephone capable of transmitting a user's voice while avoiding the transmission of surrounding sounds. [0015]
  • Another feature of the present invention is the provision of a cellular telephone system capable of providing hands-free use of a cellular telephone while maintaining access to a built-in personal digital assistant. [0016]
  • A still further feature of the present invention is the provision of one device which can function as a cellular telephone, a personal digital assistant, or a pager. [0017]
  • These, as well as other features and advantages of the present invention, will become apparent from the following specification and claims. [0018]
    • SUMMARY OF THE INVENTION
  • The present invention generally comprises a cellular telephone transceiver, an ear piece which receives the voice vibrations of a user, and a wireless linkage operatively connected between the two. When worn by a user, the ear piece receives the bone and air conductive voice vibrations transmitted through the user's external auditory canal and converts them into electrical signals. These electrical signals are then converted to short range low frequency radio waves and sent to the cellular transceiver. The cellular transceiver unit then acts like a cellular telephone, a personal digital assistant and a pager. [0019]
  • In a preferred embodiment, the present invention includes a cellular transceiver unit which includes a standard telephone keypad and a display. The display is preferably part of the personal digital assistant and can tell the user when an incoming telephone call, e-mail message, or page arrives. The keypad can be flipped up to reveal the touch screen of the personal digital assistant to allow the user to keep track of appointments, phone numbers, and other personal, and business information. The personal digital assistant can also use the cellular connection to access the internet and other sources of information. This allows the user to respond to e-mail messages, check stock prices, book hotels and perform a variety of other tasks.[0020]
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a pictorial view showing a user wearing the cellular telephone system of the present invention. [0021]
  • FIG. 2 is a perspective view of the ear piece unit of the cellular telephone system of the present invention. [0022]
  • FIG. 3 is a cross-sectional view of the ear piece unit of FIG. 2 taken through the external auditory canal of the user. [0023]
  • FIG. 4 is a perspective view of the transceiver unit of the cellular telephone system of the present invention. [0024]
  • FIG. 5 is a bottom view of the transceiver unit of FIG. 4. [0025]
  • FIG. 6 is a perspective view of the transceiver unit with the cellular telephone interface flipped up to reveal the personal digital assistant of the present invention. [0026]
    • DESCRIPTION OF THE PREFERRED EMBODIMENT(S)
  • The present invention will be described as it applies to its preferred embodiment. It is not intended that the present invention be limited to the described embodiment. It is intended that the invention cover all modifications and alternatives which may be included within the spirit and scope of the invention. [0027]
  • Now, referring to the drawings, FIG. 1 illustrates the [0028] cellular telephone system 10 as worn by a user. The user wears the ear piece 12 and the cellular transceiver unit 14. The cellular transceiver unit 14 may be worn on the user's belt 16, though it is also possible to store the cellular transceiver unit 14 in a number of other areas which may be convenient for the user, such as a shirt pocket, coat pocket, or vest pocket.
  • As seen in FIG. 2, the [0029] ear piece 12 includes an external ear canal portion 20 having a bone conduction sensor 22 in contact with the external auditory canal epithelium of the user, an air conduction sensor or microphone 46, and a speaker 24. A casing 26 is also provided, having an ear attachment portion 28 and a fitting portion 30 that connects the ear attachment portion 28 with the bone conduction sensor 22, the air conduction sensor 46, and speaker 24. The ear attachment portion 28 is contoured to comfortably fit into the angle between the ear auricle and the temporal bone of the skull of the user and is preferably made of a lightweight aluminum or plastic material. It can be appreciated that the primary purpose of the ear attachment portion 28 is to secure the ear piece 12 in proper position. The fitting portion 30 is integral with the ear attachment portion 28 and is reinforced with a flexible wire 32 so that the ear piece 12 may be adapted to fit the user and maintain the bone conduction sensor 22 and the air conduction sensor 46 in their proper positions with the external auditory canal 34 of the user.
  • As is best shown in FIG. 3, the [0030] ear piece 12 should be fit so that the bone conduction sensor 22 is in contact with a portion of the external auditory canal 34 near the bony-cartilaginous junction. It is preferred that the bone conduction sensor 22 rest against the posterior superior wall of the external auditory canal 34, with the flexible wire 32 of the fitting portion 30 shaped to bias the bone conduction sensor 22 into position. Fitting the device and calibrations may be performed by the user or with the assistance of a physician or an audiologist/audiology technician.
  • The [0031] bone conduction sensor 22 is a piezoelectric accelerometer of standard construction and may be obtained from Endevco Industries, among others. Other pick-ups that can be used with the present invention include, but are not limited to, those of the magnetic type, electric condenser type, IC type, and semiconductor type. All are well-known in the art.
  • The external [0032] ear canal portion 20 is formed so that the bone conduction sensor 22 may be inserted into the external auditory canal 34 of the user and nonocclusively contact against the posterior superior wall of the bony canal. The bone conduction sensor 22 is intended to pick up, as the voice signals, the vibrations of the upper wall of the external auditory canal 34 at the time of uttering the voice sounds. When the user utters voice sounds, these sounds reach the mastoid bones. These sound vibrations in the external auditory canal portion in contact with the bone sensor 22 are then processed.
  • In addition to the [0033] bone conduction sensor 22, the external ear canal portion 20 also includes an air conduction sensor or microphone 46. Like the bone conduction sensor 22, the air conduction sensor 46 is of standard construction and may be obtained from various hearing aid manufacturers, such as ReSound, Siemens AG, and Oticon with numerous small air microphones available which would process sound from air transmission.
  • A [0034] resilient member 36 is preferably positioned between the air conduction sensor 46 and the bone conduction sensor 22 in such a manner that the external sound collected by the air conduction sensor 46 will not be transmitted to the bone conduction sensor 22.
  • Additionally, the [0035] inner ear portion 20 also includes a speaker 24. The speaker 24 is of a type well known in the art and common in the hearing aid industry. The speaker 24 is positioned directly in line with the tympanic membrane to facilitate clear transmissions while maintaining a low power output.
  • A [0036] circuit portion 38 transmits the electrical signals from both the bone conduction sensor 22 and the air conduction sensor 46 to a speech processor 40. The bone conduction sensor 22 and the air conduction sensor 46 are both tuned to receive frequencies within the range of audible human speech, approximately 50 to 8000 Hertz.
  • The [0037] speech processor 40 is of a conventional construction used in many hearing aids and employs a digital processing scheme to package the voice signal for transmission across a wireless linkage. The speech processor 40 will be programmed to extract similarities from air and bone transmission, comparing the similarities in signal and then transmitting via a wireless linkage to a cellular telephone transceiver or other receiving device. The speech processor 40 also filters out through band pass filters 42 sounds outside the frequency of normal human speech.
  • The [0038] speech processor 40 samples a portion of the electrical signals of voice sound information from the air conduction sensor 46 and a portion of the electrical signals of voice sound information from the bone conduction sensor 22.
  • The [0039] speech processor 40 then transmits the selected voice signal to an ear piece transceiver 4. The ear piece transceiver 4 is preferably a wireless radio frequency transceiver well known in the art which includes a multi directional antenna 70.
  • The [0040] ear piece transceiver 4 sends the voice signal to the cellular transceiver unit 14. The ear piece transceiver 4 also receives incoming signals from the cellular transceiver unit 14 and sends them to the speaker 24.
  • As shown in FIG. 4, the [0041] cellular transceiver unit 14 appears like the front of a normal cellular telephone and is worn by the user via a clip 72 which is secured to the user's belt. The cellular transceiver unit 14 uses a conventional cellular transceiver to provide cellular communications. The cellular transceiver unit 14 includes a standard twelve key keypad 50, other function buttons 54, and a display 52. The cellular telephone display 52 is preferably an LCD display incorporated as part of a personal digital assistant such as the current Palm Pilot® series of devices using the Palm OS®, Windows CE®, or other operating system, though separate displays may be used for the personal digital assistant and the cellular telephone display 52.
  • Further, the [0042] cellular transceiver unit 14 includes componentry which is common in the art. As shown in FIG. 5, the cellular transceiver unit 14 receives the relatively low powered radio frequency (RF) signals from the ear piece transceiver 4 via an RF local area network antenna 60, processes the signal and transmits an amplified RF signal through the conventional cellular transceiver. Further, the cellular transceiver unit 14 receives incoming data through a cellular linkage antenna 62 and transmits this to the ear piece transceiver 4 using the low powered RF signals. The cellular transceiver unit 14 may transmit or receive using analog or digital technology.
  • The [0043] cellular transceiver unit 14 is also equipped with a personal digital assistant portion 64. To access the personal digital assistant portion 64, a user presses an access button 66 to flip up the keypad 50 or the entire cellular telephone interface. The personal digital assistant portion may also appear on the opposite side of the cellular transceiver unit 14. The keypad 50 flips up via two hinges 56 on top of the cellular transceiver unit 14. With the personal digital assistant portion 64 exposed, a user can enter commands using a traditional stylus or the user's finger. Personal digital assistant buttons 68, which are common in the art, allow the user to access various functions of the personal digital assistant. The personal digital assistant is operatively linked to the cellular transceiver to provide a linkage with which the personal digital assistant may access the internet or other services. The personal digital assistant allows the user to keep track of appointments, phone numbers and other personal and business information. The personal digital assistant also allows the user to receive and send e-mail messages, browse the internet for stock prices, hotel reservations, and a perform a variety of other tasks. Additionally, an access port, 72 is included on the bottom of the cellular transceiver unit 14 to allow the user to connect a keyboard, another cellular phone, another personal digital assistant, or other peripherals.
  • Both the [0044] cellular transceiver unit 14 and the ear piece 12 require power. This power is supplied by one or more conventional rechargeable batteries 58 which may include a vibration system to alert the user to an incoming call, page or e-mail. A separate vibration module 72 may be included which would operatively connect to the cellular transceiver unit 14. Further, both the ear piece 12 and the cellular transceiver unit 14 include contacts 74 which allow the user to simply place them in a docking station so as to be electrically connected to the docking station. The docking stations are conventional and are such that they remain connected to a power source such as a typical wall outlet The docking station may be able to power both the ear piece 12 and the cellular transceiver unit 14 at the same time.
  • In an alternative embodiment of the present invention, a conventional cellular transceiver may be adapted to operatively connect the [0045] ear piece 12 to an existing cellular telephone.
  • A general description of the present invention as well as a preferred embodiment of the present invention has been set forth above. Those skilled in the art to which the present invention pertains will recognize and be able to practice additional variations in the methods and systems described which fall within the teachings of this invention. Accordingly, all such modifications and additions are deemed to be within the scope of the invention which is to be limited only by the claims appended hereto. [0046]

Claims (23)

What is claimed is:
1. A cellular telephone system comprising:
a cellular telephone transceiver unit;
an ear piece adapted to be inserted into the external auditory canal of a user to convert bone conductive voice vibrations of voice sound information of the user to electrical signals;
a wireless linkage operatively connecting the ear piece with the cellular telephone transceiver unit.
2. The cellular telephone system of claim 1 wherein the wireless linkage includes a radio frequency transmitter operatively connected to the ear piece and a radio frequency receiver operatively connected to the cellular telephone transceiver unit..
3. The cellular telephone system of claim 1 wherein the ear piece includes a speaker being adapted to reside within the external auditory canal of the user.
4. The cellular telephone system of claim 1 wherein the cellular telephone transceiver unit is powered by one or more batteries.
5. The cellular telephone system of claim 4 further comprising:
a docking station for the cellular telephone transceiver unit adapted to charge one or more batteries of the cellular telephone transceiver unit.
6. The cellular telephone system of claim 1 wherein the ear piece is powered by one or more batteries.
7. The cellular telephone system of claim 6 further comprising:
a docking station adapted to recharge one or more batteries of the ear piece.
8. The cellular telephone system of claim 1 wherein the ear piece includes an air conduction sensor being adapted to convert air vibrations of voice sound information in the external auditory canal of the user to electrical signals.
9. The cellular telephone system of claim 8 further comprising:
a speech processor operatively connected with the ear piece, the speech processor being adapted to receive the electrical signals from the bone conduction sensor and the air conduction sensor and produce a voice sound signal.
10. The device of claim 9 wherein the speech processor obtains a first sample of the electrical signals from the bone conduction sensor and a second sample of the electrical signals from the air conduction sensor and compares the first and second samples to capture the voice sound information of the user and filter noise.
11. The device of claim 10 wherein the voice sound information of the user is captured by the wireless linkage.
12. The cellular telephone system of claim 1 wherein the cellular telephone transceiver unit includes a personal digital assistant.
13. The cellular telephone system of claim 1 wherein the cellular telephone transceiver unit includes a vibration module.
14. The cellular telephone system of claim 1 wherein the cellular telephone transceiver unit includes a pager.
15. A method of hands-free communication on a cellular telephone comprising:
providing a cellular telephone transceiver unit;
providing an ear piece adapted to be inserted into the external auditory canal of a user to convert bone conductive voice vibrations of voice sound information of the user to electrical signals;
providing a wireless linkage operatively connecting the ear piece to the cellular telephone transceiver unit;
providing a speaker;
receiving via a cellular telephone transceiver an incoming radio signal from an external cellular transmitter;
converting an incoming radio signal to an audible signal which can be heard by a user via the speaker;
receiving via the cellular telephone transceiver unit the electrical signals from the ear piece as sent by the wireless linkage; and
sending an outgoing radio signal from the cellular telephone transceiver unit to an external cellular receiver.
16. The method of hands free communication on a cellular telephone of claim 14 wherein the wireless linkage includes a radio frequency transmitter operatively connected to the ear piece and a radio frequency receiver operatively connected to the cellular telephone transceiver unit.
17. The method of hands-free communication on a cellular telephone of claim 14 wherein the ear piece includes an air conduction sensor being adapted to convert air vibrations of voice sound information in the external auditory canal of the user to electrical signals.
18. The method of hands-free communication on a cellular telephone of claim 14 wherein the cellular telephone transceiver unit includes a personal digital assistant.
19. A hands-free device adapted for use with a cellular telephone to permit hands-free operation of the cellular telephone comprising:
an ear piece adapted to be inserted into the external auditory canal of a user to convert bone conductive voice vibrations of voice sound information of the user to electrical signals; and
a wireless linkage operatively connecting the ear piece with the cellular telephone.
20. The hands-free device of claim 18 wherein the wireless linkage includes a radio frequency transmitter operatively connected to the ear piece and a radio frequency receiver operatively connected to the cellular telephone.
21. The hands-free device of claim 18 wherein the ear piece includes a speaker being adapted to reside within the external auditory canal of the user.
22. The hands-free device of claim 18 wherein the ear piece includes an air conduction sensor being adapted to convert air vibrations of voice sound information in the external auditory canal of the user to electrical signals
23. A hands-free device adapted for use with a cellular telephone to permit hands-free operation of the cellular telephone comprising:
an ear piece adapted to be inserted into the external auditory canal of a user to convert air conductive voice vibrations of voice sound information of the user to electrical signals; and
a wireless linkage operatively connecting the ear piece with the cellular telephone.
US10/359,757 1999-05-10 2003-02-06 Cellular telephone, personal digital assistant, and pager unit with capability of short range radio frequency transmissions Abandoned US20030125096A1 (en)

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US10/359,757 US20030125096A1 (en) 1999-05-10 2003-02-06 Cellular telephone, personal digital assistant, and pager unit with capability of short range radio frequency transmissions
US11/931,595 US20080051138A1 (en) 1999-05-10 2007-10-31 Cellular telephone personal digital assistant, and pager unit with capability of short range radio frequency transmissions
US13/020,713 US20120034873A1 (en) 1999-05-10 2011-02-03 Cellular telephone, personal digital assistant and pager unit with capability of short range radio frequency transmissions

Applications Claiming Priority (3)

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US09/309,107 US6094492A (en) 1999-05-10 1999-05-10 Bone conduction voice transmission apparatus and system
US09/416,168 US6560468B1 (en) 1999-05-10 1999-10-11 Cellular telephone, personal digital assistant, and pager unit with capability of short range radio frequency transmissions
US10/359,757 US20030125096A1 (en) 1999-05-10 2003-02-06 Cellular telephone, personal digital assistant, and pager unit with capability of short range radio frequency transmissions

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US09/416,168 Continuation US6560468B1 (en) 1999-05-10 1999-10-11 Cellular telephone, personal digital assistant, and pager unit with capability of short range radio frequency transmissions

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US11/931,595 Continuation US20080051138A1 (en) 1999-05-10 2007-10-31 Cellular telephone personal digital assistant, and pager unit with capability of short range radio frequency transmissions
US13/020,713 Continuation US20120034873A1 (en) 1999-05-10 2011-02-03 Cellular telephone, personal digital assistant and pager unit with capability of short range radio frequency transmissions

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US20030125096A1 true US20030125096A1 (en) 2003-07-03

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US10/359,757 Abandoned US20030125096A1 (en) 1999-05-10 2003-02-06 Cellular telephone, personal digital assistant, and pager unit with capability of short range radio frequency transmissions
US11/931,595 Abandoned US20080051138A1 (en) 1999-05-10 2007-10-31 Cellular telephone personal digital assistant, and pager unit with capability of short range radio frequency transmissions
US12/181,809 Abandoned US20090017875A1 (en) 1999-10-11 2008-07-29 Cellular telephone and personal digital assistant
US13/020,713 Abandoned US20120034873A1 (en) 1999-05-10 2011-02-03 Cellular telephone, personal digital assistant and pager unit with capability of short range radio frequency transmissions

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US12/181,809 Abandoned US20090017875A1 (en) 1999-10-11 2008-07-29 Cellular telephone and personal digital assistant
US13/020,713 Abandoned US20120034873A1 (en) 1999-05-10 2011-02-03 Cellular telephone, personal digital assistant and pager unit with capability of short range radio frequency transmissions

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US20090017875A1 (en) 2009-01-15
EP1222793A1 (en) 2002-07-17
US6560468B1 (en) 2003-05-06
HK1048573A1 (en) 2003-04-04
US20080051138A1 (en) 2008-02-28
WO2001028195A1 (en) 2001-04-19
AU4606801A (en) 2001-04-23
US20120034873A1 (en) 2012-02-09

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