JPS52661B2 - - Google Patents
Info
- Publication number
- JPS52661B2 JPS52661B2 JP47005395A JP539572A JPS52661B2 JP S52661 B2 JPS52661 B2 JP S52661B2 JP 47005395 A JP47005395 A JP 47005395A JP 539572 A JP539572 A JP 539572A JP S52661 B2 JPS52661 B2 JP S52661B2
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
-
- 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
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
-
- 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
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
- H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Control Of Amplification And Gain Control (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Television Receiver Circuits (AREA)
- Television Signal Processing For Recording (AREA)
Priority Applications (14)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47005395A JPS52661B2 (US06299757-20011009-C00006.png) | 1972-01-11 | 1972-01-11 | |
| JP7888972A JPS5314337B2 (US06299757-20011009-C00006.png) | 1972-01-11 | 1972-08-07 | |
| US00321239A US3790896A (en) | 1972-01-11 | 1973-01-05 | Automatic gain control circuit |
| AU50879/73A AU487200B2 (en) | 1972-01-11 | 1973-01-08 | Automatic gain control circuit |
| GB123473A GB1424081A (en) | 1972-01-11 | 1973-01-09 | Automatic gain control circuits |
| GB3730175A GB1424082A (en) | 1972-01-11 | 1973-01-09 | Automatic gain control circuits |
| BR20073A BR7300200D0 (pt) | 1972-01-11 | 1973-01-10 | Circuito de controle de gnaho automatico |
| CA160,993A CA1003913A (en) | 1972-01-11 | 1973-01-10 | Automatic gain control circuit |
| CH25473A CH566676A5 (US06299757-20011009-C00006.png) | 1972-01-11 | 1973-01-10 | |
| DE2301281A DE2301281C2 (de) | 1972-01-11 | 1973-01-11 | Automatische Aussteuerschaltung für Signale mit veränderlichem Pegel |
| BE793880D BE793880A (fr) | 1972-01-11 | 1973-01-11 | Circuit antifading |
| NL7300441A NL7300441A (US06299757-20011009-C00006.png) | 1972-01-11 | 1973-01-11 | |
| IT19170/73A IT978126B (it) | 1972-01-11 | 1973-01-11 | Circuito di controllo automatico del guadagno |
| FR7300910A FR2167963B1 (US06299757-20011009-C00006.png) | 1972-01-11 | 1973-01-11 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47005395A JPS52661B2 (US06299757-20011009-C00006.png) | 1972-01-11 | 1972-01-11 | |
| JP7888972A JPS5314337B2 (US06299757-20011009-C00006.png) | 1972-01-11 | 1972-08-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4875208A JPS4875208A (US06299757-20011009-C00006.png) | 1973-10-11 |
| JPS52661B2 true JPS52661B2 (US06299757-20011009-C00006.png) | 1977-01-10 |
Family
ID=26339327
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47005395A Expired JPS52661B2 (US06299757-20011009-C00006.png) | 1972-01-11 | 1972-01-11 | |
| JP7888972A Expired JPS5314337B2 (US06299757-20011009-C00006.png) | 1972-01-11 | 1972-08-07 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7888972A Expired JPS5314337B2 (US06299757-20011009-C00006.png) | 1972-01-11 | 1972-08-07 |
Country Status (10)
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2262089C3 (de) * | 1972-12-19 | 1975-10-30 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zur elektronischen Frequenzbeeinflussung, insbesondere elektronischer Klangeinsteller |
| US3891937A (en) * | 1972-12-21 | 1975-06-24 | Philips Corp | Circuit arrangement for electronic gain/control, in particular electronic volume control circuit |
| US3904975A (en) * | 1973-04-26 | 1975-09-09 | Olympus Optical Co | Automatic gain control circuit |
| JPS5021475A (US06299757-20011009-C00006.png) * | 1973-06-29 | 1975-03-07 | ||
| JPS5116846A (en) * | 1974-08-02 | 1976-02-10 | Hitachi Ltd | Agc denatsuhatsuseikairo |
| JPS5732989Y2 (US06299757-20011009-C00006.png) * | 1974-10-25 | 1982-07-21 | ||
| JPS5172261A (US06299757-20011009-C00006.png) * | 1974-12-20 | 1976-06-22 | Hitachi Ltd | |
| JPS58685B2 (ja) * | 1975-03-05 | 1983-01-07 | 株式会社東芝 | Ａｇｃ カイロ |
| JPS51128451U (US06299757-20011009-C00006.png) * | 1975-04-11 | 1976-10-16 | ||
| US3986049A (en) * | 1975-06-30 | 1976-10-12 | Motorola, Inc. | Audio compressor/limiter amplifier |
| CH589973A5 (US06299757-20011009-C00006.png) * | 1975-11-06 | 1977-07-29 | Bolex Int Sa | |
| US4019150A (en) * | 1975-11-17 | 1977-04-19 | Motorola, Inc. | PA protection circuit for a single sideband radio |
| JPS5317333A (en) * | 1976-07-30 | 1978-02-17 | Canon Inc | Automatic gain control circuit for simultaneous sound recording cine camera |
| JPS53148098A (en) * | 1977-05-31 | 1978-12-23 | Nissan Motor | Bolt feed detector in feed driver |
| JPS594328B2 (ja) * | 1978-04-12 | 1984-01-28 | デンカエンジニアリング株式会社 | ボトル類の吸引圧送装置 |
| US4241266A (en) * | 1979-02-05 | 1980-12-23 | Orban Robert A | Peak-limiting apparatus for audio signal |
| US4240037A (en) * | 1979-06-06 | 1980-12-16 | Hughes Aircraft Company | Homomorphic automatic gain control |
| JPS56134811A (en) * | 1980-03-24 | 1981-10-21 | Sony Corp | Gain control circuit |
| DE3027715C2 (de) * | 1980-07-19 | 1986-10-23 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung zur selbsttätigen Regelung oder Begrenzung der Dynamik von Signalen |
| US4334185A (en) * | 1980-12-18 | 1982-06-08 | Motorola, Inc. | Circuit for automatic gain control with constant response time |
| JPS5866064A (ja) * | 1981-10-15 | 1983-04-20 | Toshiba Corp | レベル検出回路 |
| JPS5922237U (ja) * | 1982-08-03 | 1984-02-10 | 株式会社上野製作所 | 気送管装置 |
| US4691307A (en) * | 1983-01-20 | 1987-09-01 | Shell Oil Company | AGC circuit for televiewer |
| JPS60119027U (ja) * | 1984-03-13 | 1985-08-12 | デンカエンジニアリング株式会社 | 軽量体の空気輸送における導入輸送装置 |
| DE3502422A1 (de) * | 1985-01-25 | 1986-07-31 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zur automatischen verstaerkungsregelung |
| JP2510500B2 (ja) * | 1985-11-19 | 1996-06-26 | 株式会社 松井製作所 | 固形物の空気輸送方法およびその装置 |
| JPH01113473U (US06299757-20011009-C00006.png) * | 1988-12-16 | 1989-07-31 | ||
| JP2672699B2 (ja) * | 1990-08-28 | 1997-11-05 | 株式会社東芝 | 磁気ディスク装置におけるａｇｃ制御装置 |
| GB9505946D0 (en) * | 1995-03-23 | 1995-05-10 | Rca Thomson Licensing Corp | Automatic sound level control |
| CN1917364B (zh) * | 2005-08-15 | 2010-10-13 | 华硕电脑股份有限公司 | 分段增益限制器及其控制方法 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2799737A (en) * | 1944-08-30 | 1957-07-16 | Stanley R Rich | Automatic volume control for amplifiers |
| NL280253A (US06299757-20011009-C00006.png) * | 1961-06-29 | |||
| US3230458A (en) * | 1962-05-18 | 1966-01-18 | Collins Radio Co | Automatic gain control circuit with fast change of time constant |
| NL6507228A (US06299757-20011009-C00006.png) * | 1964-06-10 | 1965-12-13 | ||
| DE1244866B (de) * | 1964-08-18 | 1967-07-20 | Communications Patents Ltd | Verstaerker fuer elektrische Wellen mit selbsttaetiger Verstaerkungsregelung |
| DE1220483B (de) * | 1964-11-30 | 1966-07-07 | Siemens Ag | Schaltungsanordnung fuer geregelte Verstaerker |
| GB1098519A (en) * | 1965-10-27 | 1968-01-10 | Mullard Ltd | Improvements in or relating to audio circuit arrangements |
| JPS441971Y1 (US06299757-20011009-C00006.png) * | 1966-10-14 | 1969-01-24 | ||
| US3449684A (en) * | 1966-10-24 | 1969-06-10 | Sholly Kagan | Audio compression amplifier |
| US3496452A (en) * | 1966-11-08 | 1970-02-17 | Rowe International Inc | Automatic volume control |
| US3560768A (en) * | 1968-04-11 | 1971-02-02 | Grundig Emv | Control circuit for a low-frequency amplifier |
| DE1803655A1 (de) * | 1968-10-17 | 1970-06-11 | Siemens Ag | Verstaerker mit zwei Transistoren und Gegenkopplung |
| US3631365A (en) * | 1968-11-01 | 1971-12-28 | Dolby Laboratories Inc | Signal compressors and expanders |
| CH501338A (fr) * | 1968-12-26 | 1970-12-31 | Kudelski Stefan | Compresseur de volume d'un signal électrique |
| DE1915511A1 (de) * | 1969-03-26 | 1970-10-08 | Graetz Kg | Automatische Aussteuerungsregelung fuer Tonbandgeraete |
| US3581223A (en) * | 1969-04-30 | 1971-05-25 | Hc Electronics Inc | Fast response dynamic gain control circuit |
| DE1934306C3 (de) * | 1969-07-07 | 1975-06-12 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Selbsttätig geregelter Wechselspannungsverstärker mit einer merklichen Zeitkonstante des Stellgliedes |
| BE753495A (fr) * | 1969-07-21 | 1970-12-16 | Dolby Laboratories Inc | Filtres limiteurs perfectionnes pour systemes attenuateurs de bruit. ( |
| GB1338227A (en) * | 1970-01-23 | 1973-11-21 | Dalby Lab Inc | Limiters for noise reduction systems |
| US3621284A (en) * | 1970-12-07 | 1971-11-16 | Sylvania Electric Prod | Attenuation circuit |
| US3723894A (en) * | 1971-08-13 | 1973-03-27 | Gte Sylvania Inc | Automatic gain control circuit |
| US3725800A (en) * | 1971-09-07 | 1973-04-03 | Electrohome Ltd | Agc network |
| JPS5148008A (ja) * | 1974-10-23 | 1976-04-24 | Fumio Fukuda | Yonsaikurugasorinenjinno kyukiho |
-
1972
- 1972-01-11 JP JP47005395A patent/JPS52661B2/ja not_active Expired
- 1972-08-07 JP JP7888972A patent/JPS5314337B2/ja not_active Expired
-
1973
- 1973-01-05 US US00321239A patent/US3790896A/en not_active Expired - Lifetime
- 1973-01-09 GB GB123473A patent/GB1424081A/en not_active Expired
- 1973-01-09 GB GB3730175A patent/GB1424082A/en not_active Expired
- 1973-01-10 CA CA160,993A patent/CA1003913A/en not_active Expired
- 1973-01-10 CH CH25473A patent/CH566676A5/xx not_active IP Right Cessation
- 1973-01-11 IT IT19170/73A patent/IT978126B/it active
- 1973-01-11 NL NL7300441A patent/NL7300441A/xx unknown
- 1973-01-11 FR FR7300910A patent/FR2167963B1/fr not_active Expired
- 1973-01-11 DE DE2301281A patent/DE2301281C2/de not_active Expired
- 1973-01-11 BE BE793880D patent/BE793880A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2167963A1 (US06299757-20011009-C00006.png) | 1973-08-24 |
| GB1424081A (en) | 1976-02-04 |
| AU5087973A (en) | 1974-07-11 |
| NL7300441A (US06299757-20011009-C00006.png) | 1973-07-13 |
| CH566676A5 (US06299757-20011009-C00006.png) | 1975-09-15 |
| FR2167963B1 (US06299757-20011009-C00006.png) | 1976-05-14 |
| DE2301281C2 (de) | 1983-08-18 |
| US3790896A (en) | 1974-02-05 |
| BE793880A (fr) | 1973-05-02 |
| GB1424082A (en) | 1976-02-04 |
| DE2301281A1 (de) | 1973-07-19 |
| IT978126B (it) | 1974-09-20 |
| CA1003913A (en) | 1977-01-18 |
| JPS4875208A (US06299757-20011009-C00006.png) | 1973-10-11 |
| JPS4936317A (US06299757-20011009-C00006.png) | 1974-04-04 |
| JPS5314337B2 (US06299757-20011009-C00006.png) | 1978-05-17 |
