CH655415B - - Google Patents
Info
- Publication number
- CH655415B CH655415B CH756981A CH756981A CH655415B CH 655415 B CH655415 B CH 655415B CH 756981 A CH756981 A CH 756981A CH 756981 A CH756981 A CH 756981A CH 655415 B CH655415 B CH 655415B
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/02—Analogue recording or reproducing
- G11B20/06—Angle-modulation recording or reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Measurement Of Current Or Voltage (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16584880A JPS5791012A (en) | 1980-11-27 | 1980-11-27 | Level detection circuit |
| JP17182580A JPS5795711A (en) | 1980-12-05 | 1980-12-05 | Level detecting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH655415B true CH655415B (US20110232667A1-20110929-C00004.png) | 1986-04-15 |
Family
ID=26490426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH756981A CH655415B (US20110232667A1-20110929-C00004.png) | 1980-11-27 | 1981-11-26 |
Country Status (11)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4409500A (en) * | 1981-03-26 | 1983-10-11 | Dbx, Inc. | Operational rectifier and bias generator |
| JPS57164609A (en) * | 1981-04-02 | 1982-10-09 | Sony Corp | Level detecting circuit |
| DE3303200A1 (de) * | 1983-02-01 | 1984-08-02 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Schaltungsanordnung mit gegengekoppeltem gleichstromverstaerker |
| WO1987001023A1 (en) * | 1985-08-16 | 1987-02-26 | David Brown | Electromyographic repetitive strain injury monitor |
| NL8800510A (nl) * | 1988-02-29 | 1989-09-18 | Philips Nv | Schakeling voor het lineair versterken en demoduleren van een am-gemoduleerd signaal en geintegreerd halfgeleiderelement daarvoor. |
| KR100206334B1 (ko) * | 1996-02-26 | 1999-07-01 | 윤종용 | 신호처리를 위한 광디스크의 프리앰프 |
| JP3498908B2 (ja) * | 2000-07-25 | 2004-02-23 | 株式会社ミツトヨ | 交流信号の振幅サンプリング方法及び振幅検出回路 |
| JP2006052287A (ja) * | 2004-08-11 | 2006-02-23 | Sunallomer Ltd | 難燃性ポリオレフィン系樹脂組成物 |
| CN103178796B (zh) * | 2013-02-05 | 2016-05-25 | 天津大学 | 一种基于对数放大器的高输出幅值差频器 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1497545A (fr) * | 1966-07-19 | 1967-10-13 | Thomson Houston Comp Francaise | Perfectionnements aux dispositifs de mesure de signaux électriques |
| FR1525049A (fr) * | 1966-11-07 | 1968-05-17 | Commissariat Energie Atomique | Voie de mesure linéaire et logarithmique à courant continu |
| US3657528A (en) * | 1970-07-10 | 1972-04-18 | Lawrence M Plante | Rms voltmeter and log converter |
| US3681618A (en) * | 1971-03-29 | 1972-08-01 | David E Blackmer | Rms circuits with bipolar logarithmic converter |
| US3800237A (en) * | 1972-06-28 | 1974-03-26 | Nasa | Gated compressor, distortionless signal limiter |
| GB1438711A (en) * | 1973-01-23 | 1976-06-09 | Dolby Laboratories Inc | Calibration oscillators for noise reduction systems |
| US3971984A (en) * | 1974-09-04 | 1976-07-27 | B-Cubed Engineering, Inc. | Wide-range logarithmic responding translation circuit |
| DE2712303C3 (de) * | 1977-03-21 | 1982-09-16 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur Unterdrückung des Störanteils in verrauschten Meßsignalen |
| US4158859A (en) * | 1977-07-25 | 1979-06-19 | Hazeltine Corporation | Automatic control of iris and clamping voltage in video signal generator |
| US4250470A (en) * | 1978-06-28 | 1981-02-10 | Communications Satellite Corporation | Syllabic compander with logarithmic chain |
| DE2836656C2 (de) * | 1978-08-22 | 1980-06-26 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung mit einer Gleichrichterschaltung und einem logarithmischen Verstärker |
-
1981
- 1981-11-25 AU AU77881/81A patent/AU551633B2/en not_active Expired
- 1981-11-26 IT IT25303/81A patent/IT1140300B/it active
- 1981-11-26 GB GB8135662A patent/GB2088677B/en not_active Expired
- 1981-11-26 AT AT0510481A patent/AT381422B/de not_active IP Right Cessation
- 1981-11-26 CH CH756981A patent/CH655415B/de unknown
- 1981-11-26 CA CA000390987A patent/CA1171921A/en not_active Expired
- 1981-11-27 US US06/325,207 patent/US4433254A/en not_active Expired - Lifetime
- 1981-11-27 KR KR8104660A patent/KR880001595B1/ko active
- 1981-11-27 FR FR8122297A patent/FR2494930B1/fr not_active Expired
- 1981-11-27 NL NL8105379A patent/NL192906C/nl not_active IP Right Cessation
- 1981-11-27 DE DE19813147171 patent/DE3147171A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2494930B1 (fr) | 1986-01-31 |
| IT8125303A0 (it) | 1981-11-26 |
| GB2088677A (en) | 1982-06-09 |
| NL8105379A (nl) | 1982-06-16 |
| KR880001595B1 (en) | 1988-08-24 |
| KR830008247A (ko) | 1983-11-16 |
| NL192906B (nl) | 1997-12-01 |
| AU7788181A (en) | 1982-06-03 |
| IT1140300B (it) | 1986-09-24 |
| AU551633B2 (en) | 1986-05-08 |
| FR2494930A1 (fr) | 1982-05-28 |
| DE3147171A1 (de) | 1982-06-24 |
| CA1171921A (en) | 1984-07-31 |
| ATA510481A (de) | 1986-02-15 |
| US4433254A (en) | 1984-02-21 |
| AT381422B (de) | 1986-10-10 |
| NL192906C (nl) | 1998-04-02 |
| DE3147171C2 (US20110232667A1-20110929-C00004.png) | 1992-08-06 |
| GB2088677B (en) | 1984-11-07 |
