DE69818734D1 - Funkempfänger - Google Patents

Funkempfänger

Info

Publication number
DE69818734D1
DE69818734D1 DE69818734T DE69818734T DE69818734D1 DE 69818734 D1 DE69818734 D1 DE 69818734D1 DE 69818734 T DE69818734 T DE 69818734T DE 69818734 T DE69818734 T DE 69818734T DE 69818734 D1 DE69818734 D1 DE 69818734D1
Authority
DE
Germany
Prior art keywords
radio receiver
receiver
radio
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 - Lifetime
Application number
DE69818734T
Other languages
English (en)
Other versions
DE69818734T2 (de
Inventor
Keiji Kobayashi
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Application granted granted Critical
Publication of DE69818734D1 publication Critical patent/DE69818734D1/de
Publication of DE69818734T2 publication Critical patent/DE69818734T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B1/06—Receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
    • H03J5/246—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection using electronic means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
    • H03J3/08—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter
    • 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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/109—Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
DE69818734T 1997-03-28 1998-03-27 Funkempfänger Expired - Lifetime DE69818734T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7831497 1997-03-28
JP9078314A JPH10276112A (ja) 1997-03-28 1997-03-28 ラジオ受信機

Publications (2)

Publication Number Publication Date
DE69818734D1 true DE69818734D1 (de) 2003-11-13
DE69818734T2 DE69818734T2 (de) 2004-04-29

Family

ID=13658487

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69818734T Expired - Lifetime DE69818734T2 (de) 1997-03-28 1998-03-27 Funkempfänger

Country Status (5)

Country Link
US (1) US6236842B1 (de)
EP (1) EP0868025B1 (de)
JP (1) JPH10276112A (de)
KR (1) KR100420092B1 (de)
DE (1) DE69818734T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6690251B2 (en) * 2001-04-11 2004-02-10 Kyocera Wireless Corporation Tunable ferro-electric filter
US6907234B2 (en) * 2001-10-26 2005-06-14 Microsoft Corporation System and method for automatically tuning an antenna
JP3906792B2 (ja) * 2002-01-22 2007-04-18 松下電器産業株式会社 高周波信号受信装置とその製造方法
DE102004037637A1 (de) * 2004-08-02 2006-03-16 Deutsche Thomson-Brandt Gmbh Empfängerschaltung und Steuerverfahren
WO2011056009A2 (ko) * 2009-11-04 2011-05-12 주식회사 케이엠더블유 무선 주파수 송신기 및 그 신호 증폭 방법
JP6198179B2 (ja) * 2014-06-13 2017-09-20 株式会社デンソー 受信装置

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3571719A (en) * 1968-12-13 1971-03-23 Motorola Inc Overload compensation circuit for antenna tuning system
US4186351A (en) * 1978-11-01 1980-01-29 Gte Sylvania Incorporated Signal strength indicator circuit for a radio receiver employing AGC
JPS59147546A (ja) 1983-02-10 1984-08-23 Pioneer Electronic Corp 受信機
US4630117A (en) * 1985-05-30 1986-12-16 General Electric Company Automatic gain control system
WO1988005214A1 (en) * 1987-01-02 1988-07-14 Motorola, Inc. Automatic antenna tuning system for portable communication devices
US5136719A (en) * 1988-12-05 1992-08-04 Seiko Corp. Automatic antenna tubing method and apparatus
JPH0338906A (ja) * 1989-07-05 1991-02-20 Pioneer Electron Corp 受信装置
IT1246235B (it) * 1990-01-17 1994-11-17 Sgs Thomson Microelectronics Rete di controllo per diminuire i tempi di risposta di un tuner-agc di un ricevitore supereterodina e relativo circuito derivatore di fronti impiegato in detta rete di controllo
JPH03297227A (ja) 1990-04-16 1991-12-27 Matsushita Electric Ind Co Ltd 無線受信装置
EP0464669B1 (de) * 1990-06-29 1997-06-04 Sanyo Electric Co., Ltd. Automatische Verstärkungsregelung für einen Radioempfänger
JP2577490B2 (ja) * 1990-07-03 1997-01-29 株式会社東芝 Ｆｍフロントエンド部のａｇｃ回路
US5109544A (en) * 1990-11-05 1992-04-28 Motorola, Inc. Paging receiver with automatic frequency control
US5222255A (en) 1991-08-05 1993-06-22 Ford Motor Company Intermodulation controller for radio receiver
FI90383C (fi) * 1992-03-09 1994-01-25 Nokia Mobile Phones Ltd Menetelmä radiopuhelimen referenssitaajuuden stabiloimiseksi
JP3191120B2 (ja) 1992-03-16 2001-07-23 チューナー株式会社 ラジオ受信機
JPH05300043A (ja) * 1992-04-22 1993-11-12 Pioneer Electron Corp アッテネータ回路
JPH05335855A (ja) * 1992-05-29 1993-12-17 Sanyo Electric Co Ltd ラジオ受信機
JPH07176969A (ja) * 1993-12-03 1995-07-14 Nec Corp 歪対策受信回路
JP2774776B2 (ja) * 1994-09-09 1998-07-09 富士通テン株式会社 受信機
JP3764185B2 (ja) * 1995-05-11 2006-04-05 パイオニア株式会社 ラジオ受信機
KR0140418B1 (ko) * 1995-06-09 1998-07-01 김광호 휴대용 무선전화기의 주파수 보상 방법 및 장치
KR0168790B1 (ko) * 1995-07-06 1999-02-01 김광호 수신신호세기의 동적범위를 확장시키는 셀룰라 통신시스템의 수신기
US5745844A (en) * 1996-10-04 1998-04-28 Motorola, Inc. Receiver control in a communication device by antenna de-tuning in strong signal conditions, and method therefor

Also Published As

Publication number Publication date
KR19980080801A (ko) 1998-11-25
DE69818734T2 (de) 2004-04-29
US6236842B1 (en) 2001-05-22
JPH10276112A (ja) 1998-10-13
KR100420092B1 (ko) 2004-04-17
EP0868025B1 (de) 2003-10-08
EP0868025A1 (de) 1998-09-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition