CH579849A5 - - Google Patents
Info
- Publication number
- CH579849A5 CH579849A5 CH1488174A CH1488174A CH579849A5 CH 579849 A5 CH579849 A5 CH 579849A5 CH 1488174 A CH1488174 A CH 1488174A CH 1488174 A CH1488174 A CH 1488174A CH 579849 A5 CH579849 A5 CH 579849A5
- Authority
- CH
- Switzerland
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
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/24—Recording seismic data
- G01V1/245—Amplitude control for seismic recording
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/124—Sampling or signal conditioning arrangements specially adapted for A/D converters
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Multimedia (AREA)
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US415022A US3919657A (en) | 1973-11-12 | 1973-11-12 | Wide dynamic range amplifier system with slew rate control |
Publications (1)
Publication Number | Publication Date |
---|---|
CH579849A5 true CH579849A5 (sv) | 1976-09-15 |
Family
ID=23644041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1488174A CH579849A5 (sv) | 1973-11-12 | 1974-11-07 |
Country Status (10)
Country | Link |
---|---|
US (1) | US3919657A (sv) |
JP (1) | JPS5630962B2 (sv) |
CA (1) | CA1027647A (sv) |
CH (1) | CH579849A5 (sv) |
DE (1) | DE2450292C3 (sv) |
FR (1) | FR2251126B1 (sv) |
GB (1) | GB1458137A (sv) |
IT (1) | IT1025600B (sv) |
NL (1) | NL7414569A (sv) |
SE (1) | SE399789B (sv) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4238784A (en) * | 1975-01-23 | 1980-12-09 | Colt Industries Operating Corp. | Electronic measuring system with pulsed power supply and stability sensing |
JPS5921206B2 (ja) * | 1975-04-14 | 1984-05-18 | 株式会社東芝 | Agc回路 |
US4031504A (en) * | 1976-03-08 | 1977-06-21 | Western Geophysical Company Of America | Gain ranging amplifier system |
US4064480A (en) * | 1975-11-10 | 1977-12-20 | Texaco Inc. | Means and method for recording seismic signals |
US4158819A (en) * | 1976-12-10 | 1979-06-19 | Geosource Inc. | Instantaneous floating point amplifier |
US4357577A (en) * | 1976-12-10 | 1982-11-02 | Geosource Inc. | Instantaneous floating point amplifier |
AU517998B2 (en) * | 1977-05-06 | 1981-09-10 | Commonwealth Of Australia, The | Signal processing system |
DE2751223A1 (de) * | 1977-11-16 | 1979-05-17 | Standard Elektrik Lorenz Ag | Empfaenger fuer impulsfoermige funksignale, insbesondere fuer eine dme- abfrage- oder antwortstation |
US4398261A (en) * | 1978-12-28 | 1983-08-09 | Safare-Crouzet | Device for measuring the level of a variable signal with logarithmic conversion |
DE3131647C2 (de) * | 1981-08-11 | 1984-12-06 | Južnoe proizvodstvennoe ob"edinenie po morskim geologorazvedočnym rabotam "Južmorgeologija", Gelendžik, Krasnodarskogo kraja | Fernmeßsystem mit Digitalausgang zur Registrierung von seismischen Signalen |
DE3248114C2 (de) * | 1982-12-24 | 1987-04-30 | Krautkrämer GmbH, 5040 Brühl | Verfahren und Vorrichtung zur Digitalisierung und Speicherung von Ultraschallinformationen |
DE3408025A1 (de) * | 1984-03-05 | 1985-09-12 | Brown, Boveri & Cie Ag, 6800 Mannheim | Digitales messgeraet zur quasi analogen messwertanzeige |
DE3408026A1 (de) * | 1984-03-05 | 1985-09-12 | Brown, Boveri & Cie Ag, 6800 Mannheim | Digitales messgeraet zur quasi analogen messwertanzeige |
GB2166014B (en) * | 1984-10-24 | 1988-10-26 | Gen Electric Co Plc | Automatic gain control |
JPH0666692B2 (ja) * | 1986-02-13 | 1994-08-24 | クラリオン株式会社 | アナログ−デイジタル変換装置 |
FR2626423A1 (fr) * | 1988-01-21 | 1989-07-28 | Inst Francais Du Petrole | Dispositif d'acquisition pour la numerisation de signaux a grande dynamique |
GB8917096D0 (en) * | 1989-07-26 | 1989-09-13 | Stc Plc | Automatic signal parameter control |
DE69024870T2 (de) * | 1989-07-26 | 1996-05-30 | Northern Telecom Ltd | Automatische Steuerung eines Signalparameters |
FR2676875B1 (fr) * | 1991-05-24 | 1997-01-03 | Alcatel Espace | Dispositif amplificateur programmable. |
CA2110182C (en) * | 1991-05-29 | 2005-07-05 | Keith O. Johnson | Electronic signal encoding and decoding |
GB2258773B (en) * | 1991-08-15 | 1995-05-10 | Secr Defence | An automatic gain control system |
US5537477A (en) * | 1994-02-07 | 1996-07-16 | Ensoniq Corporation | Frequency characteristic shaping circuitry and method |
CN113746443B (zh) * | 2021-09-13 | 2023-12-05 | 江苏润石科技有限公司 | 一种压摆率自适应调节的多级放大器结构与方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3525948A (en) * | 1966-03-25 | 1970-08-25 | Sds Data Systems Inc | Seismic amplifiers |
US3562504A (en) * | 1967-11-08 | 1971-02-09 | Texas Instruments Inc | Digital automatic gain control |
US3562744A (en) * | 1968-12-24 | 1971-02-09 | Texaco Inc | Amplifier system |
US3603972A (en) * | 1968-12-24 | 1971-09-07 | Texaco Inc | Amplifier system |
US3688250A (en) * | 1969-09-04 | 1972-08-29 | Texaco Inc | Amplifier system |
US3636463A (en) * | 1969-12-12 | 1972-01-18 | Shell Oil Co | Method of and means for gainranging amplification |
FR2110758A5 (sv) * | 1970-10-29 | 1972-06-02 | Sercel Rech Const Elect | |
US3813609A (en) * | 1972-11-27 | 1974-05-28 | Petty Ray Geophysical Inc | Multiple stage sample normalizing amplifier with automatic gain prediction |
-
1973
- 1973-11-12 US US415022A patent/US3919657A/en not_active Expired - Lifetime
-
1974
- 1974-08-09 JP JP9086574A patent/JPS5630962B2/ja not_active Expired
- 1974-08-30 CA CA208,151A patent/CA1027647A/en not_active Expired
- 1974-10-04 GB GB4304274A patent/GB1458137A/en not_active Expired
- 1974-10-23 DE DE2450292A patent/DE2450292C3/de not_active Expired
- 1974-11-05 FR FR7436701A patent/FR2251126B1/fr not_active Expired
- 1974-11-07 CH CH1488174A patent/CH579849A5/xx not_active IP Right Cessation
- 1974-11-08 NL NL7414569A patent/NL7414569A/xx unknown
- 1974-11-11 IT IT29309/74A patent/IT1025600B/it active
- 1974-11-11 SE SE7414117A patent/SE399789B/sv unknown
Also Published As
Publication number | Publication date |
---|---|
JPS50152646A (sv) | 1975-12-08 |
FR2251126B1 (sv) | 1978-10-27 |
SE7414117L (sv) | 1975-05-13 |
NL7414569A (nl) | 1975-05-14 |
SE399789B (sv) | 1978-02-27 |
DE2450292C3 (de) | 1981-03-19 |
IT1025600B (it) | 1978-08-30 |
DE2450292A1 (de) | 1975-05-28 |
DE2450292B2 (de) | 1980-05-29 |
CA1027647A (en) | 1978-03-07 |
GB1458137A (en) | 1976-12-08 |
JPS5630962B2 (sv) | 1981-07-18 |
US3919657A (en) | 1975-11-11 |
FR2251126A1 (sv) | 1975-06-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |