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WO2000062431A1 - Téléphone mobile avec écouteur/microphone sans fil - Google Patents

Téléphone mobile avec écouteur/microphone sans fil Download PDF

Info

Publication number
WO2000062431A1
WO2000062431A1 PCT/KR2000/000319 KR0000319W WO0062431A1 WO 2000062431 A1 WO2000062431 A1 WO 2000062431A1 KR 0000319 W KR0000319 W KR 0000319W WO 0062431 A1 WO0062431 A1 WO 0062431A1
Authority
WO
WIPO (PCT)
Prior art keywords
audio signal
microphone
transmitter
mobile telephone
receiver
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.)
Ceased
Application number
PCT/KR2000/000319
Other languages
English (en)
Korean (ko)
Inventor
Chang Rae Kim
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.)
IDEA PARK CO Ltd
Original Assignee
IDEA PARK CO Ltd
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 IDEA PARK CO Ltd filed Critical IDEA PARK CO Ltd
Priority to AU39884/00A priority Critical patent/AU3988400A/en
Publication of WO2000062431A1 publication Critical patent/WO2000062431A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04B1/3838—Arrangements for reducing RF exposure to the user, e.g. by changing the shape of the transceiver while in use
    • 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
    • H04B1/385—Transceivers carried on the body, e.g. in helmets
    • 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
    • H04M1/0258—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets comprising one or a plurality of mechanically detachable modules for a headset device

Definitions

  • the present invention relates in general to a mobile telephone with a wireless earphone/microphone, and more particularly to a mobile telephone wherein an earphone and a microphone are located remotely from the body of the mobile telephone in such a manner that they can be wirelessly connected to the telephone body, thereby allowing the user to freely conduct a telephone conversation over the earphone and microphone.
  • mobile telephones are adapted to provide a personal communication service at a frequency band of 1.8GHz . Because such mobile telephones are able to rapidly accommodate information, the demand for them is recently on a gradually increasing trend. Further, so far as a subscriber' s personal telephone number is set in such a mobile telephone, the subscriber can conveniently and rapidly exchange messages with a different mobile telephone as well as a general telephone by establishing a telephone call connection between his mobile telephone and the general telephone or different mobile telephone. As a result, such mobile telephones are recently on a trend of being abruptly widened in utilization.
  • Such a conventional mobile telephone has a receiver (referred to hereinafter as an ⁇ earphone' ) and a transmitter (referred to hereinafter as a ⁇ microphone' ) formed in its body integrally therewith or removed from the body and connected thereto via wires.
  • a receiver referred to hereinafter as an ⁇ earphone'
  • a transmitter referred to hereinafter as a ⁇ microphone'
  • the former is disadvantageous in that it is next to impossible for the user to view a message displayed on a display unit of the mobile telephone while speaking over the mobile telephone.
  • the latter has been proposed to overcome this problem with the former and is desirable in that the user can view a message on the display unit of the mobile telephone while speaking over the mobile telephone using the microphone and earphone, but disadvantageous in that the wires connecting the earphone and microphone to the telephone body limit a sphere of action of the user or makes the action itself unnatural, thereby raising an inconvenience in use.
  • the present invention has been made in view of the above problems, and it is an object of the present invention to provide a mobile telephone with a wireless earphone/microphone wherein the earphone and microphone are located remotely from the body of the mobile telephone in such a manner that they can be wirelessly connected to the telephone body, thereby allowing the user to freely conduct a telephone conversation over the earphone and microphone.
  • a mobile telephone comprising a power supply for supplying predetermined direct current power to the mobile telephone, a main transmitter for transmitting an audio signal to an external mobile switching center at a first frequency, a main receiver for receiving an audio signal from the mobile switching center at a second frequency, and a communication signal processor for processing a voice from the user, outputting the resultant audio signal to the main transmitter, detecting the audio signal from the mobile switching center from the main receiver and processing the detected audio signal to convert it into an audible signal, wherein the mobile telephone further comprises an auxiliary transmitter for transmitting the audio signal from the main receiver processed by the communication signal processor at a third frequency; wireless earphone/microphone means located at a remote site from the auxiliary transmitter and wirelessly connected thereto, the wireless earphone/microphone means receiving and demodulating the audio signal transmitted from the auxiliary transmitter, outputting the resultant voice to the user, modulating the .voice from the user and transmitting the resultant audio
  • the wireless earphone/microphone means may include a remote receiver for receiving the audio signal transmitted from the auxiliary transmitter; an audio signal processor for demodulating the audio signal received by the remote receiver, processing the demodulated audio signal as a voice and modulating the voice from the user at the fourth frequency; a remote transmitter for transmitting the audio signal modulated by the audio signal processor at the fourth frequency; an earphone for outputting the voice processed by the audio signal processor to the user; a microphone for converting the voice from the user into an electrical signal and transferring the converted electrical signal to the audio signal processor; and a charging circuit for charging itself with the power from the power supply and supplying the charged power to the remote transmitter, remote receiver, audio signal processor, earphone and microphone as needed.
  • a mobile telephone having a flip- type body including a main transmitter, a main receiver and a communication signal processor, comprising audio input/output means installed in the body in such a manner that it is detachable from the body and movable to a desired remote site, the audio input/output means including a remote transmitter, a remote receiver, an audio signal processor, a microphone and an earphone; a depressed seat formed at a desired portion of the body for receiving the audio input/output means; and a stopper formed at a desired portion of the depressed seat for selectively attaching or detaching the audio input/output means to or from the seat.
  • the mobile telephone further comprises a plurality of first power terminals formed at desired portions of the depressed seat for supplying power to the audio input/output means; and a plurality of second power terminals formed respectively at the opposite portions of the audio input/output means to the first power terminals to be electrically contactable with the first power terminals to receive the power therefrom.
  • the auxiliary transmitter and auxiliary receiver may be connected to a speaking system in at least one of a movable body and a fixed body of a wireless telephone and the wireless earphone/microphone means may be detachably installed in a desired portion of the movable body.
  • the auxiliary transmitter and auxiliary receiver may be connected to a speaking system in a wired telephone and the wireless earphone/microphone means may be detachably installed in a desired portion of the wired telephone.
  • Fig. 1 is a perspective view showing the exterior appearance of an embodiment of a mobile telephone with a wireless earphone/microphone in accordance with the present invention
  • Fig. 2 is a perspective view showing the exterior appearance of an alternative embodiment of the mobile telephone with the wireless earphone/microphone in accordance with the present invention.
  • Fig. 3 is a block diagram, in detail, showing the construction of the mobile telephone with the wireless earphone/microphone in accordance with the present invention.
  • Fig. 1 is a perspective view showing the exterior appearance of an embodiment of a mobile telephone with a wireless earphone/microphone in accordance with the present invention.
  • the mobile telephone comprises a body 5 of two parts, one part including a key input unit 1 for inputting a telephone number and other commands desired by the user and the other part including a display unit 3 for providing the user with a visual indication of the operating state of a system based on the input by the key input unit 1.
  • the two body parts are hinged to each other by a hinge pin (not shown) .
  • the second body part further includes an antenna 7 for transmitting and receiving signals at a mobile telecommunication frequency band. This type of mobile telephone is called a flip type.
  • a seat 9 depressed in a similar shape to the inside of the ear for receiving a detachable audio input/output device 11.
  • the audio input/output device 11 may preferably include a remote transmitter, remote receiver, audio signal processor, microphone, earphone and charging circuit, as will be mentioned later in detail. Further, the audio input/output device 11 is removable from the depressed seat 9 and movable to a desired remote site.
  • a stopper 13 is formed at a desired portion of the depressed seat 9 to selectively attach or detach the audio input/output device 11 to or from the seat 9.
  • a slot 15 is formed at the opposite portion of the audio input/output device 11 to the stopper 13 to lock it.
  • a plurality of first power terminals 17 are formed at the bottom of the depressed seat 9 to supply power to the audio input/output device 11.
  • a first signal terminal 19 is formed at a portion of the depressed seat 9 adjacent to the first power terminals 17 to input and output audio signals from/to the audio input/output device 11.
  • a plurality of second power terminals 21 are formed respectively at the opposite portions of the audio input/output device 11 to the first power terminals 17 to be electrically contactable with the first power terminals 17 to receive the power therefrom.
  • a second signal terminal 23 is formed at the opposite portion of the audio input/output device 11 to the first signal terminal 19 to be electrically contactable with the first signal terminal 19 to input and output the audio signals from/to it.
  • Fig. 2 is a perspective view showing the exterior appearance of an alternative embodiment of the mobile telephone with the wireless earphone/microphone in accordance with the present invention. Some parts in this drawing are substantially the same in construction as those in Fig. 1 and the same parts are thus designated by the same reference numerals .
  • the mobile telephone comprises a body 5 having a rectangular casing shape.
  • the body 5 includes a key input unit 1 for inputting a telephone number and other commands desired by the user, and a display unit 3 formed over the key input unit 1 for providing the user with a visual indication of the operating state of a system based on the input by the key input unit 1.
  • the body 5 further includes an antenna 7 installed in its top portion for transmitting and receiving signals at a mobile telecommunication frequency band. This type of mobile telephone is called a bar type.
  • An audio input/output device 11 is attached to the body 5 in such a manner that it is removable from the body 5 and movable to a desired remote site.
  • the audio input/output device 11 may preferably include a remote transmitter, remote receiver, audio signal processor, microphone and earphone, as will be mentioned later in detail.
  • An earphone 47 is formed at one end of the audio input/output device 11 and a microphone 49 is formed at the other end of the audio input/output device 11.
  • a plurality of first power terminals 17 and a first signal terminal 19 are formed respectively at the opposite portions of the body 5 to a plurality of second power terminals 21 and a second signal terminal 23, which are provided between the earphone 47 and the microphone 49.
  • a speaker 25 is provided at a contactable portion of the body 5 with the earphone 47 to output a received voice to the user when the audio input/output device 11 is attached to the body 5.
  • Fig. 3 is a block diagram, in detail, showing the construction of the mobile telephone with the wireless earphone/microphone in accordance with the present invention.
  • the mobile telephone comprises a power supply 27 for supplying predetermined direct current
  • DC DC power to the mobile telephone
  • a main transmitter 29 for transmitting an audio signal to an external mobile switching center at a first frequency
  • a main receiver 31 for receiving an audio signal from the mobile switching center at a second frequency
  • a communication signal processor 33 for processing a voice from the user, outputting the resultant audio signal to the main transmitter 29, detecting the audio signal from the mobile switching center from the main receiver 32 and processing the detected audio signal to convert it into an audible signal
  • an auxiliary transmitter 35 for transmitting the audio signal from the main receiver 31 processed by the communication signal processor 33 at a third frequency
  • a wireless earphone/microphone device 39 located at a remote site from the auxiliary transmitter 35 and wirelessly connected thereto.
  • the wireless earphone/microphone device 39 is adapted to receive and demodulate the audio signal transmitted from the auxiliary transmitter 35, output the resultant voice to the user, modulate the voice from the user and transmit the resultant audio signal at a fourth frequency.
  • An auxiliary receiver 37 is further provided in the mobile telephone to receive the audio signal transmitted from the wireless earphone/microphone device 39 and transfer it to the communication signal processor 33.
  • the wireless earphone/microphone device 39 includes a remote receiver 41 for receiving the audio signal transmitted from the auxiliary transmitter 35, an audio signal processor 45 for demodulating the audio signal received by the remote receiver 41, processing the demodulated audio signal as a voice and modulating the voice from the user at the fourth frequency, a remote transmitter 43 for transmitting the audio signal modulated by the audio signal processor 45 at the fourth frequency, an earphone 47 for outputting the voice processed by the audio signal processor 45 to the user, and a microphone 49 for converting the voice from the user into an electrical signal and transferring the converted electrical signal to the audio signal processor 45.
  • a charging circuit 51 is further included in the wireless earphone/microphone device 39 to charge itself with the power from the power supply 27 and supply the charged power to the remote transmitter 41, remote receiver 43, audio signal processor 45, earphone 47 and microphone 49 as needed.
  • the mobile telephone with the wireless earphone/microphone of the present invention is applicable to a general wireless telephone and wired telephone.
  • the general wireless telephone includes a fixed body connected to a switching center of a communication company by wire and a movable body capable of communicating with the fixed body wirelessly only within the range of a predetermined distance therefrom.
  • the wireless earphone/microphone device of the present invention may be detachably installed in either the movable body or fixed body of the wireless telephone and have the almost same effect.
  • the general wired telephone includes only the fixed body, except for the movable body of the wireless telephone, to which a transmitter and receiver integral with each other are additionally connected.
  • the wireless earphone/microphone device of the present invention may be detachably installed in the wired telephone and have the almost same effect.
  • the present invention provides a mobile telephone with a wireless earphone/microphone wherein an audio input/output device is removably installed in the body of the mobile telephone, thereby allowing the user to freely conduct a telephone conversation over the earphone and microphone, resulting in a significant increase in convenience in use.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Set Structure (AREA)

Abstract

Ce téléphone mobile comporte un émetteur principal (29) émettant un signal audio à une première fréquence, un récepteur principal (31) recevant un signal audio à une deuxième fréquence et un processeur de signaux de communication (33), traitant la voix de l'utilisateur, sortant le signal audio résultant à destination de l'émetteur principal et traitant le signal audio reçu par le récepteur principal pour le convertir en signal audible. Il comporte également un émetteur auxiliaire (35) émettant à une troisième fréquence le signal audio traité par le processeur de signaux de communication, un ensemble écouteur/microphone sans fil (39) destiné à recevoir et à démoduler le signal audio émanant de l'émetteur secondaire, à sortir le signal vocal résultant à l'intention de l'utilisateur, à moduler la voix de l'utilisateur et à émettre le signal audio résultant à une quatrième fréquence, ainsi qu'un récepteur auxiliaire (37) transférant le signal audio émis par le dispositif sans fil (39) au processeur.
PCT/KR2000/000319 1999-04-08 2000-04-07 Téléphone mobile avec écouteur/microphone sans fil Ceased WO2000062431A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU39884/00A AU3988400A (en) 1999-04-08 2000-04-07 Mobile telephone with wireless earphone/microphone

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019990012384A KR19990046637A (ko) 1999-04-08 1999-04-08 무선이어폰/마이크를갖는이동통신기기
KR1999/12384 1999-04-08

Publications (1)

Publication Number Publication Date
WO2000062431A1 true WO2000062431A1 (fr) 2000-10-19

Family

ID=19579165

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2000/000319 Ceased WO2000062431A1 (fr) 1999-04-08 2000-04-07 Téléphone mobile avec écouteur/microphone sans fil

Country Status (3)

Country Link
KR (1) KR19990046637A (fr)
AU (1) AU3988400A (fr)
WO (1) WO2000062431A1 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002067553A1 (fr) * 2001-02-20 2002-08-29 Donato Trivigno Telephone mobile a combine separable
GB2379120A (en) * 2001-06-22 2003-02-26 Christopher Portelli Wireless hands free system for mobile phone
WO2002039600A3 (fr) * 2000-11-07 2003-04-24 Research In Motion Ltd Dispositif de communication a plusieurs modules amovibles
FR2841718A1 (fr) * 2002-07-01 2004-01-02 France Telecom Terminal mobile concu pour etre utilisable simultanement par plusieurs utilisateurs et application du terminal mobile a un systeme de traduction simultanee
WO2004025939A1 (fr) * 2002-09-09 2004-03-25 Vertu Ltd Radiotelephone cellulaire
WO2004025938A1 (fr) * 2002-09-09 2004-03-25 Vertu Ltd Radiotelephone cellulaire
EP1617700A1 (fr) * 2004-07-11 2006-01-18 Global Target Enterprise INC. Ecouteur bluetooth sans fil avec des connecteurs
WO2006064326A1 (fr) * 2004-12-13 2006-06-22 Jordi Badia I Farre Systeme de communication personnelle fonde sur l'utilisation de la telephonie mobile et dispositif et telephone utilises dans ce systeme
EP1180913A3 (fr) * 2000-08-16 2006-10-18 Robert Bosch Gmbh Dispositif haut-parleur
US7885645B2 (en) 2001-05-15 2011-02-08 Research In Motion Limited Information system with detachable information module
US20160037249A1 (en) * 2014-07-31 2016-02-04 Khyber Technologies Corporation Wireless headset system
US9306681B2 (en) 2011-01-13 2016-04-05 Eric James Malinen System and method of on-body mobile devices to reduce radiation exposure to the upper body
EP3900388A1 (fr) * 2018-12-20 2021-10-27 Microsoft Technology Licensing, LLC Étui de chargement de dispositif audio avec connectivité de données

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010035636A (ko) * 1999-10-01 2001-05-07 윤종용 음성재생 리모트 단말기를 구비한 휴대폰 및 그 인터페이스 방법
KR20010007904A (ko) * 2000-10-20 2001-02-05 임용국 무선송수신장치를 이용한 소형전화기 및 그 통화방법
KR100464002B1 (ko) * 2002-01-08 2005-01-03 엘지전자 주식회사 키패드 분리형 개인 휴대 정보 단말기
KR100690756B1 (ko) * 2004-12-31 2007-03-09 엘지전자 주식회사 핸즈프리로 사용가능한 스피커부를 갖는 이동통신 단말기
KR100696992B1 (ko) * 2005-06-30 2007-03-20 주식회사 팬택 개인휴대단말기 및 개인휴대단말기의 핸즈프리 키트제어방법
KR100698321B1 (ko) * 2005-10-31 2007-03-23 엘지전자 주식회사 이동 통신 단말기

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US4654883A (en) * 1983-10-18 1987-03-31 Iwata Electric Co., Ltd. Radio transmitter and receiver device having a headset with speaker and microphone
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KR960027888U (ko) * 1995-01-25 1996-08-17 김성수 무선전화기의 외부 송수화기장치
KR960043969A (ko) * 1996-09-12 1996-12-23 김성수 휴대용 무선전화 유니트의 무선송수화 이어폰장치
US5590417A (en) * 1993-06-03 1996-12-31 Ericsson Inc. Radiotelephone apparatus including a wireless headset

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US4654883A (en) * 1983-10-18 1987-03-31 Iwata Electric Co., Ltd. Radio transmitter and receiver device having a headset with speaker and microphone
KR950010361Y1 (ko) * 1992-01-08 1995-12-11 한영기 당구대용 고무쿠션
US5590417A (en) * 1993-06-03 1996-12-31 Ericsson Inc. Radiotelephone apparatus including a wireless headset
KR960015782U (ko) * 1994-10-17 1996-05-17 송수화기 분리형 무선전화기
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KR960043969A (ko) * 1996-09-12 1996-12-23 김성수 휴대용 무선전화 유니트의 무선송수화 이어폰장치

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1180913A3 (fr) * 2000-08-16 2006-10-18 Robert Bosch Gmbh Dispositif haut-parleur
WO2002039600A3 (fr) * 2000-11-07 2003-04-24 Research In Motion Ltd Dispositif de communication a plusieurs modules amovibles
US8437813B2 (en) 2000-11-07 2013-05-07 Research In Motion Limited Communication device with multiple detachable communication modules
US8229515B2 (en) 2000-11-07 2012-07-24 Research In Motion Limited Communication device with multiple detachable communication modules
US7979035B2 (en) 2000-11-07 2011-07-12 Research In Motion Limited Communication device with multiple detachable communication modules
US7313423B2 (en) 2000-11-07 2007-12-25 Research In Motion Limited Communication device with multiple detachable communication modules
WO2002067553A1 (fr) * 2001-02-20 2002-08-29 Donato Trivigno Telephone mobile a combine separable
US9131532B2 (en) 2001-05-15 2015-09-08 Blackberry Limited Information system with detachable information module
US8099090B2 (en) 2001-05-15 2012-01-17 Research In Motion Limited Information system with detachable information module
US9807242B2 (en) 2001-05-15 2017-10-31 Blackberry Limited Information system with detachable information module
US7885645B2 (en) 2001-05-15 2011-02-08 Research In Motion Limited Information system with detachable information module
US8472932B2 (en) 2001-05-15 2013-06-25 Research In Motion Limited Information system with detachable information module
GB2379120A (en) * 2001-06-22 2003-02-26 Christopher Portelli Wireless hands free system for mobile phone
GB2379120B (en) * 2001-06-22 2005-03-30 Christopher Portelli Cordless / Wireless hands free set for use with celular mobile telephones
FR2841718A1 (fr) * 2002-07-01 2004-01-02 France Telecom Terminal mobile concu pour etre utilisable simultanement par plusieurs utilisateurs et application du terminal mobile a un systeme de traduction simultanee
WO2004025939A1 (fr) * 2002-09-09 2004-03-25 Vertu Ltd Radiotelephone cellulaire
US7031761B2 (en) 2002-09-09 2006-04-18 Vertu Limited Cellular radio telephone
WO2004025938A1 (fr) * 2002-09-09 2004-03-25 Vertu Ltd Radiotelephone cellulaire
EP1617700A1 (fr) * 2004-07-11 2006-01-18 Global Target Enterprise INC. Ecouteur bluetooth sans fil avec des connecteurs
WO2006064326A1 (fr) * 2004-12-13 2006-06-22 Jordi Badia I Farre Systeme de communication personnelle fonde sur l'utilisation de la telephonie mobile et dispositif et telephone utilises dans ce systeme
US9306681B2 (en) 2011-01-13 2016-04-05 Eric James Malinen System and method of on-body mobile devices to reduce radiation exposure to the upper body
US20160037249A1 (en) * 2014-07-31 2016-02-04 Khyber Technologies Corporation Wireless headset system
US9883279B2 (en) * 2014-07-31 2018-01-30 Khyber Technologies Corporation Wireless headset system
US20180310088A1 (en) * 2014-07-31 2018-10-25 Khyber Technologies Corporation Wireless headset system
EP3900388A1 (fr) * 2018-12-20 2021-10-27 Microsoft Technology Licensing, LLC Étui de chargement de dispositif audio avec connectivité de données

Also Published As

Publication number Publication date
KR19990046637A (ko) 1999-07-05
AU3988400A (en) 2000-11-14

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