EP1254523A2 - Systeme et procede permettant de modulariser la fonctionnalite d'un dispositif electronique - Google Patents

Systeme et procede permettant de modulariser la fonctionnalite d'un dispositif electronique

Info

Publication number
EP1254523A2
EP1254523A2 EP01907089A EP01907089A EP1254523A2 EP 1254523 A2 EP1254523 A2 EP 1254523A2 EP 01907089 A EP01907089 A EP 01907089A EP 01907089 A EP01907089 A EP 01907089A EP 1254523 A2 EP1254523 A2 EP 1254523A2
Authority
EP
European Patent Office
Prior art keywords
wireless
providing
interface
hardware module
transceiver
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.)
Withdrawn
Application number
EP01907089A
Other languages
German (de)
English (en)
Inventor
Stephen A. Sprigg
Raymond C. Wallace
Paul J. Draxler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of EP1254523A2 publication Critical patent/EP1254523A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3833—Hand-held transceivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/20—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver
    • H04B1/202—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver by remote control
    • 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
    • H04M1/6075—Portable telephones adapted for handsfree use adapted for handsfree use in a vehicle
    • H04M1/6083—Portable telephones adapted for handsfree use adapted for handsfree use in a vehicle by interfacing with the vehicle audio system
    • H04M1/6091—Portable telephones adapted for handsfree use adapted for handsfree use in a vehicle by interfacing with the vehicle audio system including a wireless interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/02—Details of telephonic subscriber devices including a Bluetooth interface

Definitions

  • This invention relates to wireless communications systems. Specifically, the present invention relates to devices such as wireless phones having separable functional components.
  • Portable electronic devices are employed in a variety of demanding applications including wireless communications via laptop and palmtop computers and wireless phones. Such applications require user-friendly devices that provide flexible features to the user.
  • a user employing a laptop computer having a radio card and antenna may receive stock market quotes from quoting service.
  • a different user may access the Internet via an Internet service provider.
  • the devices must provide flexible functionality.
  • a laptop computer may run software ranging from image editing to accounting software.
  • a wireless phone may include specialized address book and phonebook software.
  • Hardware functionality such as wireless data reception and user- interface features is typically implemented in permanently fixed hardware or circuitry and results in relatively inflexible hardware configurations.
  • the hardware is typically not easily changed or adjusted to meet the needs of different applications.
  • the lack of hardware flexibility often results in inefficient devices.
  • a laptop computer having a radio card and an antenna may be used to communicate with the Internet.
  • the antenna is typically in close proximity to the computer, which results in significant interference between signals transmitted by the antenna and digital signals and noise generated within the computer. Such interference reduces system performance.
  • the fixed radio card and antenna limits the ability of the user to adjust the antenna to reduce the interference by employing a different hardware setup or by separating the antenna from the computer.
  • wireless phones may be difficult to read, as the driver of the automobile must keep his or her eyes on the road.
  • Lack of hardware flexibility limits the ability of the user to change user-interfaces of the phone to, for example, a heads-up display included in the automobile.
  • the inventive system is adapted for use with wireless phones and includes a first mechanism for separating different functional blocks of the comrnunications device into spatially separable hardware modules.
  • a second mechanism interfaces the hardware modules via spatially re-configurable communications links.
  • the spatially re-configurable communications links are infrared links or optical links.
  • the system of the present invention provides for the construction of an integrated device having a first circuit for providing a user-interface to receive input signals. The first circuit also provides output signals via the user- interface.
  • a second circuit processes the input signals and delivers the output signals to the first circuit.
  • a third circuit establishes local wireless communications between the first circuit and the second circuit.
  • a wireless transceiver that is connected to the second circuit facilities the transfer of input and output signals over the air to and from a wireless communications system that provides various wireless services.
  • the first circuit receives voice-input signals and the second circuit processes the voice-input signals.
  • the first circuit includes a speaker for outputting voice signals and includes a fourth circuit for providing an optical user-interface, which is an automotive heads-up display.
  • the third circuit establishes local wireless communications between the first, second, third, and /or fourth circuits.
  • the second circuit includes mechanism for providing call processing and diagnostic services.
  • the third circuit includes a point-to-point local transport system such as BlueTooth.
  • the novel design of the present invention is facilitated by the second mechanism implemented in the third circuit that interfaces various device hardware modules via spatially re-configurable communications links. This facilitates the modularization of the hardware functionality of electronic devices, which greatly increases the flexibility of such devices. This improves interchangeability between various functional blocks of electronic communications devices and may enhance manufacturing flexibility, as customers may order various compatible functional modules from different manufacturers and combine them in one wirelessly integrated device.
  • FIG. 1 is a block diagram of a first embodiment of a portable electronic communications device of the present invention.
  • FIG. 2 is a more detailed block diagram of the interface between modules of the portable electronic communications device of FIG. 1.
  • FIG. 3 is a diagram of a second embodiment of a portable electronic communications device of the present invention employing a wireless interface to a wireless phone.
  • FIG. 4 is a more detailed diagram of the fiber optic interface between the wireless phone and the external IR/optical transceiver of the device of FIG. 3.
  • FIG. 5 is a diagram of a third embodiment of a portable electronic communications device of the present invention employing a separable modularized acoustics section.
  • FIG. 6 is a more detailed diagram showing requisite interfacing circuitry employed by the portable electronic communications device of FIG. 4.
  • FIG. 1 is a block diagram of a first embodiment of a portable electronic communications device 10 of the present invention.
  • various components such as amplifiers, filters, automatic gain control circuitry, mixers, and other circuitry are omitted from FIG. 1.
  • amplifiers, filters, automatic gain control circuitry, mixers, and other circuitry are omitted from FIG. 1.
  • those ordinarily skilled in the art will know where and how to implement the requisite additional components without undue experimentation or departure from the scope of the present teachings.
  • the device 10 includes a wireless phone 12 having a remote user interface 14 and a remote audio interface 16.
  • the wireless phone 12 includes a local phone infrared (IR) module 18 that is connected to a phone computer 20.
  • the phone computer 20 is connected to a Code Division Multiple Access (CDMA) transceiver 34 for placing wireless phone calls via a wireless CDMA communications system and associated service provider (not shown).
  • CDMA Code Division Multiple Access
  • the computer 20 runs software for providing various functions including data transfer and over the air (OTA) services 22, call manager services (24), voice encoding and decoding services 26, and diagnostic services 28.
  • the diagnostic services 28 include software for placing Markov calls via the wireless phone 12 and performing other phone and communications system tests.
  • the call manager services 24 include address and phonebook software.
  • the data transfer and OTA services 22 include Internet access software such as browsers and dial-up software.
  • the various services 22, 24, 26, and 28 may be easily implemented in software by one ordinarily skilled in the art.
  • the remote user interface 14 includes a local IR module 30.
  • the remote user interface 14 is implemented as a heads-up automotive display in the present specific embodiment.
  • the remote audio interface 16 includes a local audio IR module 32.
  • the remote audio interface 16 includes a microphone and a car stereo in the present specific embodiment.
  • the wireless phone 12 may be adapted from existing wireless phones via the addition of the local phone IR module 18 and appropriate IR interfacing software running on the computer 20, the interfacing software of which is application-specific and may be designed and developed by one skilled in the art to meet the needs of a given application.
  • the CDMA transceiver 12 may be replaced with another type of transceiver such as an analog Advanced Mobile Phone System (AMPS) transceiver without departing from the scope of the present invention.
  • the phone computer 20 runs software for implementing the data and OTA services 22, the call manager services 24, the voice encoding and decoding services 26, and the diagnostic services 28.
  • the phone computer 20 may run an operating system such as Windows CE @ to facilitate software management.
  • the software running on the phone computer 20 employs the CDMA transceiver 34 and associated antenna 36 to communicate via a wireless service provider (not shown) to provide the data and OTA services 22 to a user of the device 10.
  • a wireless service provider not shown
  • An external computer may be plugged in to the wireless phone 12 via a data interface adapter (not shown) to facilitate phone diagnostic testing.
  • the requisite software routines running on the phone computer 20 and the internal hardware of the CDMA transceiver 34 to implement the services 22, 24, 26, and 28 via conventional user interfaces and audio interfaces (not shown) are known in the art.
  • the device 10 of the present invention employs additional software to implement the services 22, 24, 26, and 28 via the remote user interface 14 and the remote audio interface 16 of the present invention.
  • the additional software runs on the phone computer 20 and facilitates data flow between the interfaces 14 and 16 via the local IR modules 18, 30, and 32.
  • Each IR module 18, 30, and 32 includes, as discussed more fully below, IR transceivers and drivers to facilitate data transfer over a first IR link 38 between the local phone IR module 18 and the local interface IR module 30 and over a second IR link 40 between the local phone IR module 18 and the local audio IR module 32.
  • a user may employ the device 10 for heads-up display of incoming and /or outgoing call information, for automatic wireless access to automotive mapping services through the phone 12 and so on. Access is provided between the phone 12 and one or more additional devices such as the devices 14 and 16 via the local wireless channel represented by the links 38 and 40.
  • Data links other than infrared may be employed to transfer data between the wireless phone 12 and the user interfaces 14 and 16, such as optical fiber links or other types of radio frequency links without departing from the scope of the present invention.
  • the phone 12 When a user of the wireless phone 12 enters an automobile equipped with user interfaces 14 and 16 and activates the phone 12, the phone 12 employs the automotive heads-up display 14 as the screen of the phone 12 and employs the car stereo and microphone 16 as the phone speaker and microphone.
  • the heads-up display 14 may display information related to phone calls placed via the wireless phone 12 or to other software running on the phone computer 20. Use of the automotive heads-up display 14 helps the user keep their eye on the road as they use the device 10.
  • the automotive heads-up display 14 is also a larger and more readable display than conventional fixed phone displays.
  • the portable electronic communications device 10 may be adapted from a conventional wireless phone by adding the local phone IR module 18, adding additional interfacing software to the phone computer 20, and installing the local IR modules 30 and 32 on the automotive heads-up display 14 and the car stereo and microphone 16.
  • the user interfaces 14 and 16 may require additional application-specific hardware or software to effectively employ the IR links 38 and 40 for inter-device communications.
  • the links 38 and 40 may be implemented via a local point-to-point transport system such as BlueTooth.
  • the teachings of the present invention allow for the development of a variety of small wireless modems, handsets, or similar devices capable of being linked to other remote devices via a local point-to-point radio frequency (RF) link.
  • RF radio frequency
  • Such a device which may be implemented as a small modem, PCMCIA, CompactFlash card, and so on, may be capable of interfacing directly with one or more remotely connected devices that may provide alternate user interface services to the device.
  • the teachings of the present invention allow for the development of very small wireless phones having traditional input /output elements such as keypads, screens, speakers, and microphones to be made available as devices connected by a local point-to-point RF link.
  • FIG. 2 is a more detailed block diagram of the interface 40 between modules 16 and 12 of the portable electronic communications device 10 of FIG. 1.
  • the remote audio interface device 16 includes a car stereo 50 and a microphone 52, both of which are connected to a microchip 54 that runs IR interfacing software.
  • the microchip 54 is connected to the local IR module 30.
  • the local IR module 30 includes an IR driver 56 that is connected to the microchip 54.
  • the IR driver 56 is also connected to an IR transceiver 58 that transmits and receives IR signals over the data link 40 to an IR transceiver 60 included in the local phone IR module 32 of the wireless phone 12.
  • the phone IR module 32 also includes a phone IR driver 62 that is connected to the phone computer 20, which runs additional interfacing software similar to the software running on the microchip 54 of the remote audio interface device 16.
  • user audio interface functionality required by software running on the phone computer 20 or other phone hardware is implemented via the remote audio interface device 16.
  • a user inputs voice data via the microphone 52, which is fed to the microchip 54 in preparation for transmission over the wireless IR link 40 to the wireless phone 12.
  • the wireless phone 12 receives the voice data via the local phone IR module 32 and subsequently process the voice data via the phone computer 20 and/or other hardware (not shown) in preparation for wireless transmission via the CDMA transceiver 34 and antenna 36 of FIG. 1.
  • the 1 may receive voice data from another party, which is processed via the phone computer 20 and/or other hardware (not shown) in preparation for transmission over the IR link 40 via the local phone IR module 32.
  • the local audio IR module 30 in the remote audio interface device 16 receives the voice data and transfers it to the microchip 54 where it processed in preparation for acoustic output via the stereo speaker 50.
  • the IR interfacing software running on the microchip 54 facilitates use of the microphone 52 and the stereo 50 as input and output devices, respectively by the wireless phone 12 via the IR link 40.
  • Use of the IR modules 30 and 32 and accompanying interfacing software running on the microchip 54 and the phone computer 20 allows different functional blocks of a wireless phone 12, such as the user interface 16, to be spatially separable. This improves hardware functionality by increasing the ability of the user to maneuver the modules 14 and 16 of FIG. 1 and easily interchange them with other modules (not shown) that are adapted for use with the present invention via the addition of IR modules and appropriate interfacing software.
  • FIG. 3 is a diagram of a second embodiment of a portable electronic communications device 70 of the present invention employing a wireless link 74 to an external IR/optical transceiver 76.
  • the external IR/optical transceiver 76 is connected to a wireless phone 78 via a fiber optic cable 80.
  • the laptop computer 72 includes a laptop IR transceiver and interface card 82, the construction of which is known in the art, for transferring IR signals between the laptop computer 72 and the external IR/optical transceiver 76 over the wireless link 74.
  • the external IR/optical transceiver 76 optically transmits signals received from the laptop computer 72 via the wireless link 74 to the wireless phone 78.
  • the wireless phone 78 includes an optical interface adapter as discussed more fully below to facilitate communication between the laptop computer 72 via the external IR/optical transceiver 76.
  • Software running on the laptop computer 72 employs the wireless phone 78 as a wireless modem via the wireless link 74, the external IR/optical transceiver 76, and the fiber optic cable 80 and associated interfaces.
  • the requisite software may be easily constructed by one skilled in the art.
  • the various interface components 82, 76, and 80 allow the wireless phone 78 to be operated at a distance from the computer 72, which is a source of undesirable noise that occupies the frequency band employed by the wireless phone 78, to receive and transmit wireless signals. As a result, undesirable interference is limited and the performance of the wireless phone 78 is enhanced.
  • the external IR/optical transceiver 76 provides improved hardware flexibility.
  • the advent of digital phones has made possible the use of computers with wireless phones to allow a computer remote access to standard services available via a phone line.
  • the present invention facilitates the use of wireless data links that may be used separate the wireless phone and the computer. This provides a distinct advantage in that the phone and accompanying transceiver may be positioned away from the computer. This reduces computer-generated interference with transceiver signals.
  • a wireless phone maintains a wireless interface between a phone transceiver and accompanying acoustic devices.
  • the transceiver may be attached to the user's belt or other nearby objects such as purse straps, glasses (as discussed more fully below), a pen, or other devices. The user is then freed from some of the cumbersome aspects of wireless phone use.
  • the device 70 of FIG. 3 provides another example, where modularized functional blocks include the semi-stationary IR/optical transceiver 76 that communicates with remotely connected devices such as the laptop computer 72, via the wireless link 74.
  • teachings of the present invention may also be employed to develop devices having functional blocks grouped in accordance with power requirements such as a grouped battery and transmitting antenna. A receiver and accompanying antenna, with lower power requirements may then be positioned elsewhere. This may lead to the development of remote power sources.
  • FIG. 4 is a more detailed diagram of the fiber optic interface between the wireless phone 78 and the external IR/optical transceiver 76 of the device of FIG. 3.
  • the interface includes, from left to right, an IR transceiver 90 and accompanying IR drivers (not shown), a transceiver fiber optic data interface adapter 92, the fiber optic cable 80, the phone wireless data interface adapter 94, and the cellular telephone 78.
  • the transceiver fiber optic data interface adapter 92 includes, from left to right, an RS-232 to transistor-transistor logic (TTL) driver 96 that includes a TTL to RS-232 driver (not shown).
  • TTL transistor-transistor logic
  • the transistor- transistor logic (TTL) driver 96 is connected in parallel to a first photodetector 98 and a first optical transmitter
  • the fiber optic cable 80 connects the first photodetector 98 to a second transmitter 102 and connects the first transmitter 100 to a second photodetector
  • the second transmitter 102 and the photodetector 104 are connected to the cellular telephone 78 via standard connection systems.
  • the fiber optic cable 80 is duplex plastic fiber optical cable.
  • the interface between the RS-232 to TTL driver 96 and the interface between the RS-232 to TTL driver 96 and the first photodetector 98 and the first optical transmitter 100 are standard interfaces known in the art.
  • the RS-232 to TTL driver 96 is made by Analog Devices Inc., part number ADM202EARW, Dual RS-232 Driver /Receiver.
  • the photodetectors 98 and 104 are Siemens SFH551/1-V-1 plastic fiber optic integrated photodetectors.
  • the transmitters 100 and 102 are Siemens SFH796V plastic fiber optic transmitter diodes.
  • the duplex fiber optic cable 80 is Mitsubishi EHV4002 1000 micron 2 plastic fiber optic cable.
  • TTL data to be directed from the IR tiansceiver 90 to the cellular telephone 78 is transferred to the RS-232 to TTL driver 96, which is a standard serial bus driver.
  • the TTL data is formatted for RS-232 serial transmission and is transferred to the first transmitter 100.
  • the first transmitter 100 converts the electrical serial data to serial optical data that is transmitted via the fiber optic cable 80 to the second photodetector 104, where it is converted back to electrical signals and subsequently transferred to the cellular telephone 78.
  • the cellular telephone 78 then processes the electrical serial data via circuits such as a baseband processor (not shown) on a baseband chip (not shown).
  • serial data to be transferred from the cellular telephone 78 to the IR transceiver 90 is directed to the second optical transmitter 102, where it is converted to optical serial data and tiansmitted via the fiber optic cable 80 to the first photodetector 98 where it is detected and converted to electrical serial data.
  • the electrical serial data is transferred to the RS-232 to TTL driver 96 where it is converted to TTL format.
  • the TTL data is then transferred to the IR transceiver 90 for further processing.
  • the RS-232 to TTL driver 96 may be replaced with another type of driver without departing from the scope of the present invention. Also, the position of the RS-232 to TTL driver 96 may be switched to the cellular telephone optical data interface adapter 94.
  • FIG. 5 is a diagram of a third embodiment of a portable electronic communications device 110 of the present invention employing a separable modularized acoustics section 112 on a pair of glasses 114.
  • the acoustics section 112 includes a microphone 116 and a speaker 118 connected to an acoustic interface attachment implemented as a small chip as discussed more fully below.
  • a special wireless phone 120 includes an IR adapter 122. In operation, the wireless phone 120 employs the acoustics section 112 on the glasses 114 to provide acoustic user-interface functions.
  • the microphone 116 and the speaker 118 replace conventional spatially fixed microphones and speakers (not shown). Requisite information and control signals are transferred between the acoustics section 112 and the wireless phone 120 via wireless infrared electromagnetic energy.
  • FIG. 6 is a more detailed diagram showing requisite interfacing circuitry 130 employed by the portable electronic communications device 110 of FIG. 4.
  • the acoustics section 112 is implemented on an eyeglass attachment that contains the microphone 116 and speaker 118 connected to a communications circuit 132.
  • the communications circuit 132 is connected to a first IR adapter 134 at a first IR interface card 136.
  • the first IR interface card 136 is connected to a first IR tiansceiver 138.
  • the first IR transceiver 138 is connected to a second IR transceiver 140 in the second IR adapter 132 in the wireless phone 120 via the IR link 74.
  • the second IR adapter is connected to the phone computer 20, which communicates with an additional user interface 144 and the CDMA transceiver 34.
  • acoustics information is input to the communications circuit 132 via the microphone 116.
  • the acoustics information is subsequently transferred to the phone computer 20 via the IR adapters 134 and 122, where it is either processed as a software voice command or is processed in preparation for transmission to an outside party via the CDMA transceiver 34 and antenna 36.
  • the computer 20 processes voice or other acoustic signals that are received by the CDMA transceiver 34. Subsequently, the acoustic signals may be transferred to the speaker 114 to output voice or other acoustic information.
  • the construction of communications circuits, such as the communications circuit 132 and the IR adapters 134 and 122 are known in the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Optical Communication System (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

Un système permettant de modulariser la fonctionnalité d'un dispositif électronique (10) comprend un premier mécanisme qui sépare différents blocs fonctionnels du dispositif électronique en modules de matériel séparables dans l'espace via des liaisons (38, 40) de communication reconfigurables dans l'espace. Dans une forme de réalisation spécifique, les liaisons de communication reconfigurables dans l'espace sont des liaisons par rayons infrarouges ou des liaisons optiques. Le système selon la présente invention permet de construire un dispositif intégré (10) qui comprend un émetteur-récepteur sans fil (34) et un premier circuit (16) qui permet à une interface utilisateur de recevoir des signaux d'entrée et de produire des signaux de sortie. Un deuxième circuit (18) traite les signaux d'entrée et envoie les signaux de sortie au premier circuit. Un troisième circuit établit des communications sans fil entre les premier et deuxième circuits. Dans une forme de réalisation représentative, le premier circuit (16) reçoit des signaux d'entrée vocale et le deuxième circuit traite les signaux d'entrée vocale. Le premier circuit comprend un haut-parleur qui produit des signaux vocaux de sortie et un quatrième circuit (14) qui assure une interface utilisateur optique. Le troisième circuit établit des communications sans fil locales entre les premier, deuxième, troisième et/ou quatrième circuits. Le deuxième circuit (12) comprend un mécanisme qui assure le traitement (34) des appels et des services (28) de diagnostic. Le troisième circuit comprend un système de transport point-à-point tel que le système BlueTooth.
EP01907089A 2000-02-07 2001-02-07 Systeme et procede permettant de modulariser la fonctionnalite d'un dispositif electronique Withdrawn EP1254523A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US49926800A 2000-02-07 2000-02-07
US499268 2000-02-07
PCT/US2001/003989 WO2001058039A2 (fr) 2000-02-07 2001-02-07 Systeme et procede permettant de modulariser la fonctionnalite d'un dispositif electronique

Publications (1)

Publication Number Publication Date
EP1254523A2 true EP1254523A2 (fr) 2002-11-06

Family

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EP01907089A Withdrawn EP1254523A2 (fr) 2000-02-07 2001-02-07 Systeme et procede permettant de modulariser la fonctionnalite d'un dispositif electronique

Country Status (5)

Country Link
EP (1) EP1254523A2 (fr)
JP (1) JP2003525540A (fr)
KR (1) KR20020079832A (fr)
AU (1) AU2001234914A1 (fr)
WO (1) WO2001058039A2 (fr)

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Also Published As

Publication number Publication date
JP2003525540A (ja) 2003-08-26
WO2001058039A2 (fr) 2001-08-09
KR20020079832A (ko) 2002-10-19
WO2001058039A3 (fr) 2002-05-02
AU2001234914A1 (en) 2001-08-14

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