FR2839839B1 - CAR HANDS-FREE TELEPHONE ADAPTER, ESPECIALLY FOR FIRST INSTALLATION, INCLUDING A CIRCUIT FOR ADAPTING THE LOGICAL LEVELS EXCHANGED WITH THE TELEPHONE - Google Patents

CAR HANDS-FREE TELEPHONE ADAPTER, ESPECIALLY FOR FIRST INSTALLATION, INCLUDING A CIRCUIT FOR ADAPTING THE LOGICAL LEVELS EXCHANGED WITH THE TELEPHONE

Info

Publication number
FR2839839B1
FR2839839B1 FR0205918A FR0205918A FR2839839B1 FR 2839839 B1 FR2839839 B1 FR 2839839B1 FR 0205918 A FR0205918 A FR 0205918A FR 0205918 A FR0205918 A FR 0205918A FR 2839839 B1 FR2839839 B1 FR 2839839B1
Authority
FR
France
Prior art keywords
telephone
adapting
exchanged
installation
circuit
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.)
Expired - Fee Related
Application number
FR0205918A
Other languages
French (fr)
Other versions
FR2839839A1 (en
Inventor
Didier Cassan
Nicolas Besnard
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.)
Parrot SA
Original Assignee
Parrot SA
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 Parrot SA filed Critical Parrot SA
Priority to FR0205918A priority Critical patent/FR2839839B1/en
Publication of FR2839839A1 publication Critical patent/FR2839839A1/en
Application granted granted Critical
Publication of FR2839839B1 publication Critical patent/FR2839839B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04M1/6075—Portable telephones adapted for handsfree use adapted for handsfree use in a vehicle
    • 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
    • H04B1/3877—Arrangements for enabling portable transceivers to be used in a fixed position, e.g. cradles or boosters
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Telephone Function (AREA)
FR0205918A 2002-05-14 2002-05-14 CAR HANDS-FREE TELEPHONE ADAPTER, ESPECIALLY FOR FIRST INSTALLATION, INCLUDING A CIRCUIT FOR ADAPTING THE LOGICAL LEVELS EXCHANGED WITH THE TELEPHONE Expired - Fee Related FR2839839B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0205918A FR2839839B1 (en) 2002-05-14 2002-05-14 CAR HANDS-FREE TELEPHONE ADAPTER, ESPECIALLY FOR FIRST INSTALLATION, INCLUDING A CIRCUIT FOR ADAPTING THE LOGICAL LEVELS EXCHANGED WITH THE TELEPHONE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0205918A FR2839839B1 (en) 2002-05-14 2002-05-14 CAR HANDS-FREE TELEPHONE ADAPTER, ESPECIALLY FOR FIRST INSTALLATION, INCLUDING A CIRCUIT FOR ADAPTING THE LOGICAL LEVELS EXCHANGED WITH THE TELEPHONE

Publications (2)

Publication Number Publication Date
FR2839839A1 FR2839839A1 (en) 2003-11-21
FR2839839B1 true FR2839839B1 (en) 2004-07-09

Family

ID=29286471

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0205918A Expired - Fee Related FR2839839B1 (en) 2002-05-14 2002-05-14 CAR HANDS-FREE TELEPHONE ADAPTER, ESPECIALLY FOR FIRST INSTALLATION, INCLUDING A CIRCUIT FOR ADAPTING THE LOGICAL LEVELS EXCHANGED WITH THE TELEPHONE

Country Status (1)

Country Link
FR (1) FR2839839B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI940049A0 (en) * 1994-01-05 1994-01-05 Nokia Mobile Phones Ltd Anordning Foer anpassning av signalnivaon i en mobil telefon
DE19715596A1 (en) * 1997-04-15 1998-10-22 Pvt Praezisions Verbindungstec Handsfree unit for connection to mobile telephone
DE20120820U1 (en) * 2001-12-21 2002-03-28 Beijing Detianquan Machine-electron Equipments Co., Ltd., Beijing Universal mobile phone adjustment system for hands-free telephoning in automobiles

Also Published As

Publication number Publication date
FR2839839A1 (en) 2003-11-21

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20090119