AU2000274544A1 - Hands-free device for cellular phone using frequency modulation - Google Patents

Hands-free device for cellular phone using frequency modulation

Info

Publication number
AU2000274544A1
AU2000274544A1 AU2000274544A AU7454400A AU2000274544A1 AU 2000274544 A1 AU2000274544 A1 AU 2000274544A1 AU 2000274544 A AU2000274544 A AU 2000274544A AU 7454400 A AU7454400 A AU 7454400A AU 2000274544 A1 AU2000274544 A1 AU 2000274544A1
Authority
AU
Australia
Prior art keywords
hands
cellular phone
frequency modulation
free device
free
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.)
Abandoned
Application number
AU2000274544A
Inventor
Won Man 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.)
CHO EUN INFORMATION SYSTEM Co Ltd
Original Assignee
CHO EUN INFORMATION SYSTEM CO
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 CHO EUN INFORMATION SYSTEM CO filed Critical CHO EUN INFORMATION SYSTEM CO
Publication of AU2000274544A1 publication Critical patent/AU2000274544A1/en
Abandoned 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
    • 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
    • H04M1/02—Constructional features of telephone sets
    • H04M1/20—Arrangements for preventing acoustic feed-back
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Telephone Function (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
AU2000274544A 2000-07-18 2000-08-29 Hands-free device for cellular phone using frequency modulation Abandoned AU2000274544A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020000041163A KR20010000166A (en) 2000-07-18 2000-07-18 Hand-free device for cellular phone using frequency modulation
KR0004116 2000-07-18
PCT/KR2000/000960 WO2002007336A1 (en) 2000-07-18 2000-08-29 Hands-free device for cellular phone using frequency modulation

Publications (1)

Publication Number Publication Date
AU2000274544A1 true AU2000274544A1 (en) 2002-01-30

Family

ID=19678603

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2000274544A Abandoned AU2000274544A1 (en) 2000-07-18 2000-08-29 Hands-free device for cellular phone using frequency modulation

Country Status (3)

Country Link
KR (1) KR20010000166A (en)
AU (1) AU2000274544A1 (en)
WO (1) WO2002007336A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2267962T3 (en) * 2002-06-05 2007-03-16 Alcatel A HANDS-FREE COMMUNICATION SYSTEM FOR MOBILE PHONES AS WELL AS A MOBILE TERMINAL AND AN AUDIO SYSTEM FOR THE SAME.
KR100722050B1 (en) * 2005-06-27 2007-05-25 엘지전자 주식회사 Display system and FM signal transferring method thereof
KR101640055B1 (en) * 2014-12-09 2016-07-18 현대자동차주식회사 Terminal, audio device communicating with the terminal and vehicle

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63187845A (en) * 1987-01-30 1988-08-03 Nippon Telegr & Teleph Corp <Ntt> Radiotelephony equipment
JP2569917B2 (en) * 1989-07-24 1997-01-08 日本電気株式会社 Loudspeaker system
US5607973A (en) * 1995-06-28 1997-03-04 Theriault; Elizabeth Method of treating traumatic CNS tissue injury with a metabotropic glutamate receptor agonist
KR19990040501A (en) * 1997-11-18 1999-06-05 최상호 Handfree combined car audio
KR100292022B1 (en) * 1997-11-18 2001-09-22 최상호 Car audio with hands-free function
KR20000038172A (en) * 1998-12-04 2000-07-05 전주범 Hands-free kit for vehicle using car audio
KR20000041692A (en) * 1998-12-23 2000-07-15 전주범 Car audio with hands-free function
KR19990046705A (en) * 1999-04-13 1999-07-05 이은국 A hands free kit for cellular phone
KR20000007006A (en) * 1999-11-12 2000-02-07 김원만 The hand-free device for cellular phone by using FM signals

Also Published As

Publication number Publication date
WO2002007336A1 (en) 2002-01-24
KR20010000166A (en) 2001-01-05

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