FR2223909B1 - - Google Patents
Info
- Publication number
- FR2223909B1 FR2223909B1 FR7411167A FR7411167A FR2223909B1 FR 2223909 B1 FR2223909 B1 FR 2223909B1 FR 7411167 A FR7411167 A FR 7411167A FR 7411167 A FR7411167 A FR 7411167A FR 2223909 B1 FR2223909 B1 FR 2223909B1
- 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
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C15/00—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path
- G08C15/06—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path successively, i.e. using time division
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Analogue/Digital Conversion (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00346518A US3819864A (en) | 1973-03-30 | 1973-03-30 | Digital dc offset removal method for data systems |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2223909A1 FR2223909A1 (fr) | 1974-10-25 |
FR2223909B1 true FR2223909B1 (fr) | 1980-04-04 |
Family
ID=23359783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7411167A Expired FR2223909B1 (fr) | 1973-03-30 | 1974-03-29 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3819864A (fr) |
JP (1) | JPS5030567A (fr) |
CA (1) | CA1022281A (fr) |
DE (1) | DE2413191A1 (fr) |
FR (1) | FR2223909B1 (fr) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2282759A1 (fr) * | 1974-08-21 | 1976-03-19 | Gen Electric | Appareil pour eliminer la tension de derive en courant continu d'un canal de donnees |
US4005273A (en) * | 1976-03-08 | 1977-01-25 | Western Geophysical Company Of America | Multiplexer offset removal circuit |
US4309763A (en) * | 1977-03-02 | 1982-01-05 | Refraction Technology, Inc. | Digital sonobuoy |
US4140925A (en) * | 1977-07-15 | 1979-02-20 | Northern Telecom Limited | Automatic d-c offset cancellation in PCM encoders |
US4313195A (en) * | 1979-04-23 | 1982-01-26 | Sangamo Weston, Inc. | Reduced sample rate data acquisition system |
DE2938947A1 (de) * | 1979-09-26 | 1981-04-09 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung fuer einen analogvergleicher |
US4321675A (en) * | 1980-01-21 | 1982-03-23 | Texas Instruments Incorporated | Method and apparatus for increasing the dynamic range of a data acquisition system at low frequencies without reducing high frequency gain |
US4567466A (en) * | 1982-12-08 | 1986-01-28 | Honeywell Inc. | Sensor communication system |
US4663744A (en) * | 1983-08-31 | 1987-05-05 | Terra Marine Engineering, Inc. | Real time seismic telemetry system |
DE3345354A1 (de) * | 1983-12-15 | 1985-06-27 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zur erkennung des klopfens bei brennkraftmaschinen |
US4704584A (en) * | 1986-06-25 | 1987-11-03 | Fairfield Industries | Instantaneous floating point amplifier |
US4875166A (en) * | 1987-10-09 | 1989-10-17 | Input/Output, Inc. | Bandwidth enhancing seismic acquisition system and method |
US4906928A (en) * | 1988-12-29 | 1990-03-06 | Atlantic Richfield Company | Transient electromagnetic apparatus with receiver having digitally controlled gain ranging amplifier for detecting irregularities on conductive containers |
DE4228833B4 (de) * | 1992-08-29 | 2006-03-30 | Deutsche Thomson-Brandt Gmbh | Signalverarbeitungsschaltung |
DE69230640T2 (de) * | 1992-09-09 | 2000-08-31 | Alcatel Bell N.V., Antwerpen | Empfängerschwellwerteinstellung und Senderleistungssteuerung für ein ATM-Kommunikationssystem |
US5424881A (en) * | 1993-02-01 | 1995-06-13 | Cirrus Logic, Inc. | Synchronous read channel |
US5583706A (en) * | 1994-11-17 | 1996-12-10 | Cirrus Logic, Inc. | Decimation DC offset control in a sampled amplitude read channel |
US8638883B2 (en) | 2010-02-03 | 2014-01-28 | Marvell World Trade Ltd. | DC offset cancellation in direct conversion receivers |
CN101917196B (zh) * | 2010-08-19 | 2013-07-17 | 河南科技大学 | 模数联合型数据采集装置 |
CN105680810B (zh) * | 2015-12-31 | 2018-09-04 | 杭州士兰微电子股份有限公司 | 放大电路、信号放大方法及传感信号处理装置 |
CN114533087B (zh) * | 2022-04-28 | 2022-08-26 | 之江实验室 | 一种基于斩波技术消除电极间直流偏移的方法及系统 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3699325A (en) * | 1969-10-09 | 1972-10-17 | Shell Oil Co | Time-shared instantaneous gain-ranging amplifier |
US3676598A (en) * | 1970-06-08 | 1972-07-11 | Bell Telephone Labor Inc | Frequency division multiplex single-sideband modulation system |
US3657669A (en) * | 1970-09-02 | 1972-04-18 | Gte Laboratories Inc | Frequency domain adaptive equalizer |
-
1973
- 1973-03-30 US US00346518A patent/US3819864A/en not_active Expired - Lifetime
-
1974
- 1974-03-12 CA CA194,740A patent/CA1022281A/fr not_active Expired
- 1974-03-19 DE DE2413191A patent/DE2413191A1/de not_active Withdrawn
- 1974-03-29 JP JP49035537A patent/JPS5030567A/ja active Pending
- 1974-03-29 FR FR7411167A patent/FR2223909B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3819864A (en) | 1974-06-25 |
DE2413191A1 (de) | 1974-10-24 |
JPS5030567A (fr) | 1975-03-26 |
FR2223909A1 (fr) | 1974-10-25 |
CA1022281A (fr) | 1977-12-06 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
AR | Application made for restoration | ||
BR | Restoration of rights | ||
ST | Notification of lapse |