DE68914691D1 - Erfassungsgerät zur Digitalisierung von Hochdynamiksignalen. - Google Patents
Erfassungsgerät zur Digitalisierung von Hochdynamiksignalen.Info
- Publication number
- DE68914691D1 DE68914691D1 DE68914691T DE68914691T DE68914691D1 DE 68914691 D1 DE68914691 D1 DE 68914691D1 DE 68914691 T DE68914691 T DE 68914691T DE 68914691 T DE68914691 T DE 68914691T DE 68914691 D1 DE68914691 D1 DE 68914691D1
- Authority
- DE
- Germany
- Prior art keywords
- acquisition device
- high dynamic
- dynamic signals
- digitizing high
- digitizing
- Prior art date
- 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 - Fee Related
Links
Classifications
-
- 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
- H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
- H03M1/186—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedforward mode, i.e. by determining the range to be selected directly from the input signal
- H03M1/187—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedforward mode, i.e. by determining the range to be selected directly from the input signal using an auxiliary analogue/digital converter
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8800764A FR2626423A1 (fr) | 1988-01-21 | 1988-01-21 | Dispositif d'acquisition pour la numerisation de signaux a grande dynamique |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68914691D1 true DE68914691D1 (de) | 1994-05-26 |
DE68914691T2 DE68914691T2 (de) | 1994-08-04 |
Family
ID=9362573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68914691T Expired - Fee Related DE68914691T2 (de) | 1988-01-21 | 1989-01-05 | Erfassungsgerät zur Digitalisierung von Hochdynamiksignalen. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4990913A (de) |
EP (1) | EP0325499B1 (de) |
JP (1) | JPH02207618A (de) |
CN (1) | CN1013538B (de) |
CA (1) | CA1296805C (de) |
DE (1) | DE68914691T2 (de) |
FR (1) | FR2626423A1 (de) |
NO (1) | NO890238L (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2245443B (en) * | 1990-06-22 | 1994-05-25 | Philips Electronic Associated | Signal digitiser |
US5343200A (en) * | 1990-08-31 | 1994-08-30 | Canon Kabushiki Kaisha | Analog/digital converter with digital automatic gain control |
FR2691026B1 (fr) * | 1992-05-07 | 1997-01-03 | Thomson Csf | Convertisseur analogique-numerique et boucle d'asservissement utilisant un tel convertisseur. |
US5359327A (en) * | 1993-05-28 | 1994-10-25 | Brown Eric W | A/D converter system with interface and passive voltage reference source |
US5488368A (en) * | 1993-05-28 | 1996-01-30 | Technoview Inc. | A/D converter system and method with temperature compensation |
US5610604A (en) * | 1994-12-07 | 1997-03-11 | Panasonic Technologies, Inc. | Analog to digital converter providing varying digital resolution |
US5684480A (en) * | 1995-01-30 | 1997-11-04 | Telefonaktiebolaget Lm Ericsson | Wide dynamic range analog to digital conversion |
US5659313A (en) * | 1995-03-31 | 1997-08-19 | Panasonic Technologies, Inc. | System and method for reducing noise during analog to digital conversion |
US5874736A (en) * | 1996-10-25 | 1999-02-23 | Exergen Corporation | Axillary infrared thermometer and method of use |
US6298459B1 (en) * | 1997-07-18 | 2001-10-02 | Fujitsu Limited | Analog to digital converter with encoder circuit and testing method therefor |
US6703951B2 (en) | 1997-07-18 | 2004-03-09 | Fujitsu Limited | Analog to digital converter with encoder circuit and testing method therefor |
US6317070B1 (en) * | 1998-08-20 | 2001-11-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Floating-point analog-to-digital converter |
US6255974B1 (en) | 1999-01-08 | 2001-07-03 | Mitsubishi Electric And Electronics Usa, Inc | Programmable dynamic range sigma delta A/D converter |
DE19936327C2 (de) * | 1999-08-02 | 2003-04-24 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Durchführung von ratiometrischen Messungen unter Verwendung eines Analog/Digital- oder eines Digital/Analog-Umsetzers, Analog/Digital- oder Digital/Analog-Umsetzer, und Verfahren zum Betreiben eines Analog/Digital- oder Digital/Analog-Umsetzers |
US7062168B1 (en) * | 2001-03-19 | 2006-06-13 | Dbm Optics, Incorporated | Bifurcated range stages to increase speed or dynamic range of measuring instruments and associated methods |
US20040134988A1 (en) * | 2003-01-09 | 2004-07-15 | Hand Held Products, Inc. | Analog-to-digital converter with automatic range and sensitivity adjustment |
JP2005094678A (ja) * | 2003-09-19 | 2005-04-07 | Sanyo Electric Co Ltd | ビデオ信号処理装置及びテレビジョン受像装置 |
US20100164768A1 (en) * | 2008-12-31 | 2010-07-01 | Texas Instruments Incorporated | Providing digital codes representing analog samples with enhanced accuracy while using an adc of lower resolution |
WO2014200473A1 (en) | 2013-06-12 | 2014-12-18 | Schneider Electric It Corporation | Dynamic sensitivity adjustment for adc measurements |
CN103837887B (zh) * | 2014-02-19 | 2016-07-20 | 中国地震局地球物理研究所 | 一种高动态范围地震信号分级采集方法及系统 |
TWI643451B (zh) * | 2017-10-02 | 2018-12-01 | 緯創資通股份有限公司 | 具多階轉換範圍的類比數位轉換器、放大電路及相關類比數位轉換方法 |
CN112865797A (zh) * | 2021-03-01 | 2021-05-28 | 云南电网有限责任公司电力科学研究院 | 一种基于adc的高精度采样系统 |
CN113110671B (zh) * | 2021-04-16 | 2022-08-23 | 浙江正泰中自控制工程有限公司 | 一种用于控制系统的可变功耗模拟量电流输出电路 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3411153A (en) * | 1964-10-12 | 1968-11-12 | Philco Ford Corp | Plural-signal analog-to-digital conversion system |
FR1481960A (fr) * | 1966-01-10 | 1967-05-26 | Societe D'etudes, Recherches Et Constructions Electroniques | Procédé et dispositif de codage numérique |
US3603972A (en) * | 1968-12-24 | 1971-09-07 | Texaco Inc | Amplifier system |
US3699325A (en) * | 1969-10-09 | 1972-10-17 | Shell Oil Co | Time-shared instantaneous gain-ranging amplifier |
US3597761A (en) * | 1969-11-14 | 1971-08-03 | American Astronics Inc | High-speed analog-to-digital converter and method therefor |
US3585631A (en) * | 1969-11-26 | 1971-06-15 | Westinghouse Electric Corp | Square law analog-to-digital converter |
BE793746A (fr) * | 1972-01-11 | 1973-07-09 | Sercel Rech Const Elect | Amplificateur d'echantillons de signaux analogiques avec reglage de gain automatique |
IE38230B1 (en) * | 1972-09-15 | 1978-01-18 | Ind Des Telecommunications Com | Improvements in digital coders |
US3813609A (en) * | 1972-11-27 | 1974-05-28 | Petty Ray Geophysical Inc | Multiple stage sample normalizing amplifier with automatic gain prediction |
US3919657A (en) * | 1973-11-12 | 1975-11-11 | Texaco Inc | Wide dynamic range amplifier system with slew rate control |
FR2441956A1 (fr) * | 1978-11-17 | 1980-06-13 | Inst Francais Du Petrole | Methode d'amplification de signaux multiplexes et dispositif de mise en oeuvre |
JPS55100741A (en) * | 1979-01-26 | 1980-07-31 | Hitachi Ltd | Multi-input comparator |
US4393368A (en) * | 1980-05-16 | 1983-07-12 | Motorola Inc. | Multithreshold A/D converter utilizing error amplifiers |
JPS57152726A (en) * | 1981-03-17 | 1982-09-21 | Toshiba Corp | A/d converting circuit |
US4684924A (en) * | 1982-09-30 | 1987-08-04 | Wood Lawson A | Analog/digital converter using remainder signals |
US4584560A (en) * | 1984-06-11 | 1986-04-22 | Geometrics, Inc. | Floating point digitizer |
JPS61142823A (ja) * | 1984-12-17 | 1986-06-30 | Tokyo Keiki Co Ltd | 信号変換方式 |
FR2580877A1 (fr) * | 1985-04-19 | 1986-10-24 | Labo Electronique Physique | Convertisseur analogique-numerique non lineaire |
-
1988
- 1988-01-21 FR FR8800764A patent/FR2626423A1/fr active Granted
-
1989
- 1989-01-05 DE DE68914691T patent/DE68914691T2/de not_active Expired - Fee Related
- 1989-01-05 EP EP89400029A patent/EP0325499B1/de not_active Expired - Lifetime
- 1989-01-13 CN CN89100281.2A patent/CN1013538B/zh not_active Expired
- 1989-01-19 NO NO89890238A patent/NO890238L/no unknown
- 1989-01-20 CA CA000588728A patent/CA1296805C/fr not_active Expired - Fee Related
- 1989-01-20 JP JP1011758A patent/JPH02207618A/ja active Pending
- 1989-01-23 US US07/299,313 patent/US4990913A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2626423A1 (fr) | 1989-07-28 |
US4990913A (en) | 1991-02-05 |
NO890238D0 (no) | 1989-01-19 |
CN1013538B (zh) | 1991-08-14 |
EP0325499A1 (de) | 1989-07-26 |
EP0325499B1 (de) | 1994-04-20 |
CN1039689A (zh) | 1990-02-14 |
JPH02207618A (ja) | 1990-08-17 |
NO890238L (no) | 1989-07-24 |
CA1296805C (fr) | 1992-03-03 |
DE68914691T2 (de) | 1994-08-04 |
FR2626423B1 (de) | 1995-05-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |