ATE179036T1 - Empfänger mit automatischer rauschsperre - Google Patents

Empfänger mit automatischer rauschsperre

Info

Publication number
ATE179036T1
ATE179036T1 AT97400155T AT97400155T ATE179036T1 AT E179036 T1 ATE179036 T1 AT E179036T1 AT 97400155 T AT97400155 T AT 97400155T AT 97400155 T AT97400155 T AT 97400155T AT E179036 T1 ATE179036 T1 AT E179036T1
Authority
AT
Austria
Prior art keywords
detector
audio
receiver
frequency
sound transducer
Prior art date
Application number
AT97400155T
Other languages
English (en)
Inventor
Albert Bertrana
Original Assignee
Groupe President Electronics
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 Groupe President Electronics filed Critical Groupe President Electronics
Application granted granted Critical
Publication of ATE179036T1 publication Critical patent/ATE179036T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present
    • H03G3/344—Muting responsive to the amount of noise (noise squelch)

Landscapes

  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Superheterodyne Receivers (AREA)
AT97400155T 1996-01-25 1997-01-23 Empfänger mit automatischer rauschsperre ATE179036T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9600857A FR2744305B1 (fr) 1996-01-25 1996-01-25 Circuit de blocage a reglage automatique pour recepteur radio

Publications (1)

Publication Number Publication Date
ATE179036T1 true ATE179036T1 (de) 1999-04-15

Family

ID=9488460

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97400155T ATE179036T1 (de) 1996-01-25 1997-01-23 Empfänger mit automatischer rauschsperre

Country Status (10)

Country Link
US (1) US6208848B1 (de)
EP (1) EP0786860B1 (de)
AT (1) ATE179036T1 (de)
AU (1) AU1548897A (de)
DE (1) DE69700173T2 (de)
ES (1) ES2134053T3 (de)
FR (1) FR2744305B1 (de)
HU (1) HUP9900797A3 (de)
PL (1) PL328059A1 (de)
WO (1) WO1997027669A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6397050B1 (en) * 1999-04-12 2002-05-28 Rockwell Collins, Inc. Multiband squelch method and apparatus
US6671504B1 (en) * 2000-09-29 2003-12-30 Northrop Grumman Corporation Radio squelch techniques
US6842609B2 (en) * 2000-12-05 2005-01-11 Delphi Technologies, Inc. Radio having adjustable seek sensitivity based on average signal strength and method therefor
US6961551B2 (en) 2002-02-01 2005-11-01 M/A-Com Private Radio Systems, Inc. Dual speed squelch circuit and method
US7739280B2 (en) 2006-03-06 2010-06-15 Veveo, Inc. Methods and systems for selecting and presenting content based on user preference information extracted from an aggregate preference signature
US7653367B2 (en) * 2006-03-30 2010-01-26 Intel Corporation Squelch detector
EP1843467B1 (de) * 2006-04-07 2010-05-26 Rohde & Schwarz GmbH & Co. KG Verfahren und Vorrichtung zur Rauschunterdrückung bei einem Empfangssignal
KR100897770B1 (ko) * 2007-01-30 2009-05-15 삼성전자주식회사 전송 엔벌로프 검출기의 문턱 전압들 조절 방법들과 상기방법들을 이용한 장치들
US8965290B2 (en) * 2012-03-29 2015-02-24 General Electric Company Amplitude enhanced frequency modulation
CN102843203B (zh) * 2012-08-13 2017-03-15 泉州市琪祥电子科技有限公司 一种自动静噪电路
AT519113B1 (de) * 2016-11-24 2018-04-15 Frequentis Ag Verfahren zur Übertragung von Sprachsignalen
CN117834089A (zh) * 2024-01-04 2024-04-05 成都航天通信设备有限责任公司 一种静噪管理方法和系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2770721A (en) * 1952-05-03 1956-11-13 Motorola Inc Squelch circuit
US4044309A (en) * 1974-07-18 1977-08-23 Narco Scientific Industries, Inc. Automatic squelch circuit with hysteresis
US3979679A (en) * 1975-06-30 1976-09-07 California Microwave, Inc. FM demodulator having squelch circuit using bucket brigade delay line

Also Published As

Publication number Publication date
EP0786860A1 (de) 1997-07-30
AU1548897A (en) 1997-08-20
FR2744305A1 (fr) 1997-08-01
DE69700173D1 (de) 1999-05-20
PL328059A1 (en) 1999-01-04
EP0786860B1 (de) 1999-04-14
FR2744305B1 (fr) 1998-03-27
DE69700173T2 (de) 1999-11-18
ES2134053T3 (es) 1999-09-16
HUP9900797A2 (hu) 1999-07-28
HUP9900797A3 (en) 1999-11-29
US6208848B1 (en) 2001-03-27
WO1997027669A1 (fr) 1997-07-31

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties