DE69023379D1 - Radiokommunikationssystem. - Google Patents

Radiokommunikationssystem.

Info

Publication number
DE69023379D1
DE69023379D1 DE69023379T DE69023379T DE69023379D1 DE 69023379 D1 DE69023379 D1 DE 69023379D1 DE 69023379 T DE69023379 T DE 69023379T DE 69023379 T DE69023379 T DE 69023379T DE 69023379 D1 DE69023379 D1 DE 69023379D1
Authority
DE
Germany
Prior art keywords
communication system
radio communication
radio
communication
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
DE69023379T
Other languages
English (en)
Other versions
DE69023379T2 (de
Inventor
Hiroshi Yasuda
Satoshi Yokoya
Nobutaka Takao
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69023379D1 publication Critical patent/DE69023379D1/de
Publication of DE69023379T2 publication Critical patent/DE69023379T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B1/02—Transmitters
    • H04B1/03—Constructional details, e.g. casings, housings
    • H04B1/036—Cooling arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69023379T 1989-04-03 1990-04-03 Radiokommunikationssystem. Expired - Fee Related DE69023379T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1084374A JP2897246B2 (ja) 1989-04-03 1989-04-03 移動無線電話装置

Publications (2)

Publication Number Publication Date
DE69023379D1 true DE69023379D1 (de) 1995-12-14
DE69023379T2 DE69023379T2 (de) 1996-04-11

Family

ID=13828762

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69023379T Expired - Fee Related DE69023379T2 (de) 1989-04-03 1990-04-03 Radiokommunikationssystem.

Country Status (5)

Country Link
US (1) US5020138A (de)
EP (1) EP0391794B1 (de)
JP (1) JP2897246B2 (de)
CA (1) CA2013596C (de)
DE (1) DE69023379T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5125112A (en) * 1990-09-17 1992-06-23 Motorola, Inc. Temperature compensated current source
JP2546172B2 (ja) * 1993-11-04 1996-10-23 日本電気株式会社 高速バス装置
US5478221A (en) * 1994-01-31 1995-12-26 Lzr Electronics, Inc. Miniature fan for printed circuit board
US5519886A (en) * 1994-09-26 1996-05-21 Motorola, Inc. Method and apparatus for controlling device temperature during transmissions
US5689403A (en) * 1994-12-27 1997-11-18 Motorola, Inc. Intercooled electronic device
US6205340B1 (en) 1995-08-09 2001-03-20 Spectral Solutions, Inc. Cryoelectronic receiver front end for mobile radio systems
US6104934A (en) 1995-08-09 2000-08-15 Spectral Solutions, Inc. Cryoelectronic receiver front end
KR100238756B1 (ko) * 1996-10-12 2000-01-15 서평원 이동통신 단말기의 발열 방지 장치
US6002927A (en) * 1997-10-29 1999-12-14 Ericsson Inc. Method and apparatus for cooling an electronic device and generating a vibrational signal
JPH11214874A (ja) * 1998-01-22 1999-08-06 Matsushita Electric Ind Co Ltd 電子機器の冷却装置
US6608906B2 (en) 2001-12-27 2003-08-19 Visteon Global Technologies, Inc. Cooling fan control strategy for automotive audio system
US6924966B2 (en) * 2002-05-29 2005-08-02 Superconductor Technologies, Inc. Spring loaded bi-stable MEMS switch
US6795697B2 (en) * 2002-07-05 2004-09-21 Superconductor Technologies, Inc. RF receiver switches
DE10234500A1 (de) * 2002-07-23 2004-02-19 Siemens Ag Verfahren zur Wärmeableitung in Mobilfunkgeräten und ein entsprechendes Mobilfunkgerät
KR100681190B1 (ko) * 2004-07-28 2007-02-09 엘지전자 주식회사 부품 냉각수단을 포함하는 휴대형 통신 단말기 및 냉각방법
US20070097628A1 (en) * 2005-10-31 2007-05-03 Pais Martin R Heat dissipation apparatus for multiple housing devices
JP2013062655A (ja) * 2011-09-13 2013-04-04 Toshiba Corp 送信装置及びこの送信装置で使用される制御方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4158180A (en) * 1978-04-13 1979-06-12 General Electric Company Temperature control circuit
GB2064264B (en) * 1979-11-30 1983-08-03 Pye Electronic Prod Ltd Microphone unit
US4353037A (en) * 1980-08-11 1982-10-05 Motorola, Inc. Amplifier protection circuit
JPS6033744A (ja) * 1983-08-04 1985-02-21 Yaesu Musen Co Ltd 無線通信装置のク−リング方式
JPS63226124A (ja) * 1986-10-29 1988-09-20 Oki Electric Ind Co Ltd 無線装置用レベル制御回路
US4939786A (en) * 1987-03-09 1990-07-03 Motorola, Inc. Adaptive thermal protection for a power amplifier by remote sense
US4724400A (en) * 1987-04-21 1988-02-09 Trw Inc. Linear amplifier assembly

Also Published As

Publication number Publication date
JPH02262720A (ja) 1990-10-25
CA2013596A1 (en) 1990-10-03
US5020138A (en) 1991-05-28
EP0391794A3 (de) 1992-04-01
DE69023379T2 (de) 1996-04-11
CA2013596C (en) 2001-05-29
EP0391794B1 (de) 1995-11-08
EP0391794A2 (de) 1990-10-10
JP2897246B2 (ja) 1999-05-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee