FR2304125B1 - - Google Patents
Info
- Publication number
- FR2304125B1 FR2304125B1 FR7606929A FR7606929A FR2304125B1 FR 2304125 B1 FR2304125 B1 FR 2304125B1 FR 7606929 A FR7606929 A FR 7606929A FR 7606929 A FR7606929 A FR 7606929A FR 2304125 B1 FR2304125 B1 FR 2304125B1
- Authority
- FR
- France
- 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
- H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
-
- 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
- G11B20/10009—Improvement or modification of read or write signals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Digital Magnetic Recording (AREA)
- Control Of Amplification And Gain Control (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55763275A | 1975-03-12 | 1975-03-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2304125A1 FR2304125A1 (fr) | 1976-10-08 |
| FR2304125B1 true FR2304125B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-06-01 |
Family
ID=24226251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7606929A Granted FR2304125A1 (fr) | 1975-03-12 | 1976-03-11 | Appareil de lecture de donnees |
Country Status (7)
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US4222081A (en) * | 1977-11-21 | 1980-09-09 | Hitachi, Ltd. | Information reading device for a multitrack storage device |
| 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 |
| US4194163A (en) * | 1978-08-03 | 1980-03-18 | Texaco Development Corporation | Floating point amplifier means and method |
| US4298898A (en) * | 1979-04-19 | 1981-11-03 | Compagnie Internationale Pour L'informatique Cii Honeywell Bull | Method of and apparatus for reading data from reference zones of a memory |
| FR2469043B1 (fr) * | 1979-10-31 | 1986-01-24 | Enertec | Filtres accordes par commutation et utilisation dans un egalisateur d'enregistrement magnetique |
| US4399416A (en) * | 1980-11-10 | 1983-08-16 | Texaco Development Corporation | Floating point amplifier |
| JPS5925450A (ja) * | 1982-07-31 | 1984-02-09 | Sharp Corp | インラインデ−タ通信装置 |
| US4688113A (en) * | 1985-10-01 | 1987-08-18 | Telex Computer Products, Inc. | Apparatus for calibrating tape drive read system |
| US4833422A (en) * | 1987-09-24 | 1989-05-23 | Burr-Brown Corporation | Programmable gain instrumentation amplifier |
| JPH02137169A (ja) * | 1988-11-17 | 1990-05-25 | Mitsubishi Electric Corp | 信号処理回路 |
| JP2667522B2 (ja) * | 1989-07-06 | 1997-10-27 | 株式会社日立製作所 | 光ディスク装置 |
| FR2676875B1 (fr) * | 1991-05-24 | 1997-01-03 | Alcatel Espace | Dispositif amplificateur programmable. |
| US5283701A (en) * | 1991-12-17 | 1994-02-01 | Teac Corporation | Automatic recording level control system providing for manual change of the standard level |
| FR2720569B1 (fr) * | 1994-05-31 | 1996-07-05 | Thomson Csf | Amplificateur à plusieurs étages à transistors en cascade et à puissance de sortie ajustable. |
| US5488518A (en) * | 1994-08-15 | 1996-01-30 | Vtc Inc. | Programmable pre-amplifier using a serial shift register to output a plurality of control signals |
| JPH09130245A (ja) * | 1995-11-06 | 1997-05-16 | Sony Corp | ゲイン可変回路 |
| US5838269A (en) * | 1996-09-12 | 1998-11-17 | Advanced Micro Devices, Inc. | System and method for performing automatic gain control with gain scheduling and adjustment at zero crossings for reducing distortion |
| US5894283A (en) * | 1997-04-03 | 1999-04-13 | Advanced Micro Devices, Inc. | Method and apparatus for converting analog signals into pulse signals with simultaneous analog signal compression |
| KR100303795B1 (ko) * | 1998-08-07 | 2001-09-24 | 윤종용 | 송신신호 이득 제어방법 |
| DE10255606A1 (de) * | 2002-11-28 | 2004-06-17 | Infineon Technologies Ag | Verstärkeranordnung, Empfänger mit der Verstärkeranordnung und Verfahren zum Betrieb eines programmierbaren Verstärkers |
| JP2015046725A (ja) * | 2013-08-27 | 2015-03-12 | 株式会社五洋電子 | トーンスケルチ回路 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT251319B (de) * | 1965-01-20 | 1966-12-27 | Ibm Oesterreich Internationale | Analog-Digital- bzw. Digital-Analog-Wandler |
| US3331028A (en) * | 1965-01-21 | 1967-07-11 | Avco Corp | Multistage transistor amplifier in which the impedances of the various stages are successively varied to control gain |
| US3308392A (en) * | 1965-02-04 | 1967-03-07 | Esso Production Company | Seismic amplifier having means for changing the amplification of the seismic signal by discrete steps proportional to a given power of two |
| US3425051A (en) * | 1965-03-10 | 1969-01-28 | Us Air Force | Analog-to-digital converter |
| US3464022A (en) * | 1967-08-30 | 1969-08-26 | Mandrel Industries | Apparatus for controlling the gain of binary gain ranging amplifiers |
| US3579138A (en) * | 1969-08-25 | 1971-05-18 | American Optical Corp | Automatic gain presetting circuit |
| US3662365A (en) * | 1970-03-23 | 1972-05-09 | Storage Technology Corp | Dynamic amplitude control for magnetic tape systems |
| FR2110758A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1970-10-29 | 1972-06-02 | Sercel Rech Const Elect |
-
1976
- 1976-02-11 CA CA245,554A patent/CA1063717A/en not_active Expired
- 1976-02-24 GB GB7194/76A patent/GB1486392A/en not_active Expired
- 1976-03-11 FR FR7606929A patent/FR2304125A1/fr active Granted
- 1976-03-11 CH CH301976A patent/CH607146A5/xx not_active IP Right Cessation
- 1976-03-11 DE DE19762610159 patent/DE2610159A1/de not_active Withdrawn
- 1976-03-12 JP JP51026996A patent/JPS51113552A/ja active Granted
- 1976-09-30 US US05/728,356 patent/US4091380A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4091380A (en) | 1978-05-23 |
| CA1063717A (en) | 1979-10-02 |
| DE2610159A1 (de) | 1976-09-30 |
| JPS51113552A (en) | 1976-10-06 |
| CH607146A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-11-30 |
| FR2304125A1 (fr) | 1976-10-08 |
| JPS614209B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-02-07 |
| GB1486392A (en) | 1977-09-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |