KR960005377B1 - 라디오 수신기 음성 증폭기 회로 - Google Patents

라디오 수신기 음성 증폭기 회로 Download PDF

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Publication number
KR960005377B1
KR960005377B1 KR1019880701078A KR880701078A KR960005377B1 KR 960005377 B1 KR960005377 B1 KR 960005377B1 KR 1019880701078 A KR1019880701078 A KR 1019880701078A KR 880701078 A KR880701078 A KR 880701078A KR 960005377 B1 KR960005377 B1 KR 960005377B1
Authority
KR
South Korea
Prior art keywords
filter
volume
amplifier
voice
speaker
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
KR1019880701078A
Other languages
English (en)
Korean (ko)
Other versions
KR890700966A (ko
Inventor
1996년04월24일
비. 파텔 바궬시
에이취. 스탠겔 제임스
Original Assignee
모토로라 인코포레이티드
빈센트 죠셉로너
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 모토로라 인코포레이티드, 빈센트 죠셉로너 filed Critical 모토로라 인코포레이티드
Publication of KR890700966A publication Critical patent/KR890700966A/ko
Application granted granted Critical
Publication of KR960005377B1 publication Critical patent/KR960005377B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/001—Volume compression or expansion in amplifiers without controlling loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/02—Manually-operated control
    • H03G3/14—Manually-operated control in frequency-selective amplifiers
    • H03G3/18—Manually-operated control in frequency-selective amplifiers having semiconductor devices

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Circuits Of Receivers In General (AREA)
  • Amplifiers (AREA)
  • Television Receiver Circuits (AREA)
KR1019880701078A 1987-01-07 1987-11-27 라디오 수신기 음성 증폭기 회로 Expired - Fee Related KR960005377B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/000,923 US4721923A (en) 1987-01-07 1987-01-07 Radio receiver speech amplifier circuit
US000923 1987-01-07
PCT/US1987/003165 WO1988005226A1 (en) 1987-01-07 1987-11-27 Radio receiver speech amplifier circuit

Publications (2)

Publication Number Publication Date
KR890700966A KR890700966A (ko) 1989-04-28
KR960005377B1 true KR960005377B1 (ko) 1996-04-24

Family

ID=21693581

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880701078A Expired - Fee Related KR960005377B1 (ko) 1987-01-07 1987-11-27 라디오 수신기 음성 증폭기 회로

Country Status (7)

Country Link
US (1) US4721923A (enExample)
EP (1) EP0348396B1 (enExample)
JP (1) JPH02500077A (enExample)
KR (1) KR960005377B1 (enExample)
AT (1) ATE96951T1 (enExample)
DE (1) DE3788070T2 (enExample)
WO (1) WO1988005226A1 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5010306A (en) * 1990-02-20 1991-04-23 At&T Bell Laboratories Low cost digital amplitude regulator
US5028893A (en) * 1990-03-21 1991-07-02 Delco Electronics Corporation Switched capacitor filters with continuous time control
US5394476A (en) * 1992-12-17 1995-02-28 Motorola, Inc. Volume control device
US5467393A (en) * 1993-11-24 1995-11-14 Ericsson Inc. Method and apparatus for volume and intelligibility control for a loudspeaker
FI99062C (fi) * 1995-10-05 1997-09-25 Nokia Mobile Phones Ltd Puhesignaalin taajuuskorjaus matkapuhelimessa
US5966438A (en) * 1996-03-05 1999-10-12 Ericsson Inc. Method and apparatus for adaptive volume control for a radiotelephone
US5734975A (en) * 1996-10-24 1998-03-31 Motorola, Inc. Direct-coupled signaling receiver with PL/DPL detector
US6353671B1 (en) * 1998-02-05 2002-03-05 Bioinstco Corp. Signal processing circuit and method for increasing speech intelligibility
EP1052832A1 (en) * 1999-05-14 2000-11-15 STMicroelectronics S.r.l. Receiving section of a telephone
US6766142B2 (en) * 2001-01-23 2004-07-20 Qualcomm Incorporated System and method for adaptive equalization in a wireless communication system
AU2002328829A1 (en) * 2002-07-01 2004-01-19 Nokia Corporation Mobile communication terminal
US7574010B2 (en) * 2004-05-28 2009-08-11 Research In Motion Limited System and method for adjusting an audio signal
EP1601171B1 (en) * 2004-05-28 2008-04-30 Research In Motion Limited System And Method For Adjusting An Audio Signal
DE102008040291A1 (de) * 2008-07-09 2010-01-14 Robert Bosch Gmbh Audioverstärker sowie Verfahren zur Umkonfiguration eines Audioverstärkers
JP2008312260A (ja) * 2008-09-16 2008-12-25 Panasonic Corp 音量調整装置
EP2329399A4 (en) * 2008-09-19 2011-12-21 Newsouth Innovations Pty Ltd METHOD FOR ANALYZING A TONE SIGNAL
DE102008042377A1 (de) * 2008-09-25 2010-04-01 Robert Bosch Gmbh Audioverstärker mit Lastanpassung sowie Verfahren zur Lastanpassung des Audioverstärkers
JP5482232B2 (ja) * 2010-01-26 2014-05-07 ヤマハ株式会社 信号処理回路
US9688295B2 (en) 2013-08-23 2017-06-27 Electro-Motive Diesel, Inc. Trainline network access point for parallel communication
US9260123B2 (en) 2013-08-23 2016-02-16 Electro-Motive Diesel, Inc. System and method for determining locomotive position in a consist
US9463816B2 (en) 2013-08-23 2016-10-11 Electro-Motive Diesel, Inc. Trainline communication network access point including filter
US9270335B2 (en) 2013-08-23 2016-02-23 Electro-Motive Diesel, Inc. Receive attenuation system for trainline communication networks
US9744979B2 (en) 2014-04-11 2017-08-29 Electro-Motive Diesel, Inc. Train communication network
US9560139B2 (en) 2014-04-11 2017-01-31 Electro-Motive Diesel, Inc. Train communication network

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2400804A1 (de) * 1974-01-09 1975-07-17 Agfa Gevaert Ag Schaltungsanordnung zur selbsttaetigen begrenzung eines lautsprecher-stromes
JPS5337351A (en) * 1976-09-20 1978-04-06 Hitachi Ltd Adjuster such as sound volume and sound tone for audio equipment
JPS5340256A (en) * 1976-09-27 1978-04-12 Alps Electric Co Ltd Automatic gain controller
JPS6033011B2 (ja) * 1978-05-28 1985-07-31 日本ビクター株式会社 自動音量減衰装置

Also Published As

Publication number Publication date
EP0348396B1 (en) 1993-11-03
EP0348396A4 (en) 1991-05-15
DE3788070D1 (de) 1993-12-09
WO1988005226A1 (en) 1988-07-14
EP0348396A1 (en) 1990-01-03
JPH02500077A (ja) 1990-01-11
ATE96951T1 (de) 1993-11-15
JPH0582084B2 (enExample) 1993-11-17
KR890700966A (ko) 1989-04-28
DE3788070T2 (de) 1994-03-03
US4721923A (en) 1988-01-26

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