FR2458816B1 - Procede et installation de conversion analogique/numerique - Google Patents
Procede et installation de conversion analogique/numeriqueInfo
- Publication number
- FR2458816B1 FR2458816B1 FR8012127A FR8012127A FR2458816B1 FR 2458816 B1 FR2458816 B1 FR 2458816B1 FR 8012127 A FR8012127 A FR 8012127A FR 8012127 A FR8012127 A FR 8012127A FR 2458816 B1 FR2458816 B1 FR 2458816B1
- Authority
- FR
- France
- Prior art keywords
- analog
- installation
- digital conversion
- conversion process
- digital
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/255—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with counting of pulses during a period of time proportional to voltage or current, delivered by a pulse generator with fixed frequency
-
- 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
- H03M1/50—Analogue/digital converters with intermediate conversion to time interval
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Analogue/Digital Conversion (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2923026A DE2923026C2 (de) | 1979-06-07 | 1979-06-07 | Verfahren zur Analog/Digital-Umsetzung und Anordnung zur Durchführung des Verfahrens |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2458816A1 FR2458816A1 (fr) | 1981-01-02 |
FR2458816B1 true FR2458816B1 (fr) | 1985-01-04 |
Family
ID=6072642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8012127A Expired FR2458816B1 (fr) | 1979-06-07 | 1980-05-30 | Procede et installation de conversion analogique/numerique |
Country Status (3)
Country | Link |
---|---|
US (1) | US4362988A (fr) |
DE (1) | DE2923026C2 (fr) |
FR (1) | FR2458816B1 (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4841458A (en) * | 1987-07-07 | 1989-06-20 | Honeywell, Incorporated | Analog to digital conversion by measuring the ratio of RC time constants |
US4864513A (en) * | 1987-07-07 | 1989-09-05 | Honeywell Incorporated | Potentiometer setting detection by measuring the ratio of RC time constants |
US5218312A (en) * | 1988-07-20 | 1993-06-08 | Ricardo Moro | Measurement apparatus for measuring a biological substance within a fluid substrate |
GB2222261B (en) * | 1988-08-22 | 1992-09-16 | Seiko Epson Corp | Humidity measuring apparatus |
FR2644589B1 (fr) * | 1989-03-17 | 1991-09-13 | Delta Dore | Circuit de mesure et de numerisation de la valeur d'une resistance variable, telle qu'une thermistance |
DE4020732A1 (de) * | 1990-06-29 | 1992-01-09 | Pilz Gmbh & Co | Manuelle analogeingabe fuer mikroprozessoren |
DE69232149T2 (de) * | 1991-12-02 | 2002-06-06 | Canon K.K., Tokio/Tokyo | Messgerät |
US5278512A (en) * | 1992-05-15 | 1994-01-11 | Richard Goldstein | Apparatus and method for continuously monitoring grounding conductor resistance in power distribution systems |
US5812879A (en) * | 1993-04-19 | 1998-09-22 | Moro; Ricardo J. | External multiple peripheral interface to computer serial port using individually configured parallel port terminals |
US5541523A (en) * | 1994-09-19 | 1996-07-30 | Ford Motor Company | System for detecting operability of an airbag squib resistor |
US5592073A (en) * | 1995-05-31 | 1997-01-07 | Sunpower, Inc. | Triac control circuit |
US5744973A (en) * | 1995-07-21 | 1998-04-28 | Honeywell Inc. | Resistance to frequency circuit for measuring ambient temperature on a thermostat |
DE29712193U1 (de) * | 1997-07-10 | 1998-11-12 | Steinel GmbH & Co KG, 33442 Herzebrock-Clarholz | Vorrichtung zum Erfassen von Widerstandsänderungen eines Sensorelements |
TW200505169A (en) * | 2003-07-17 | 2005-02-01 | Quanta Comp Inc | Analog signal measurement device and method |
DE102005018518A1 (de) * | 2005-04-20 | 2006-10-26 | Braun Gmbh | Verfahren zum Erzeugen einer Zeitbasis für einen Mikrokontroller und Schaltungsanordnung hierfür |
US10248157B1 (en) * | 2018-08-14 | 2019-04-02 | The United States Of America As Represented By The Secretary Of The Navy | Sample clock source for digital data systems |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1344459A (fr) * | 1962-10-18 | 1963-11-29 | Procédé et appareil pour l'étude électrique des organismes vivants | |
US3490039A (en) * | 1967-02-23 | 1970-01-13 | Canadian Patents Dev | Method and apparatus for measuring high resistances in relation to resistance ratio,capacitance,and a time interval |
JPS5650232B2 (fr) * | 1972-11-15 | 1981-11-27 | ||
US4217543A (en) * | 1977-05-23 | 1980-08-12 | John Fluke Mfg. Co., Inc. | Digital conductance meter |
-
1979
- 1979-06-07 DE DE2923026A patent/DE2923026C2/de not_active Expired
-
1980
- 1980-05-30 FR FR8012127A patent/FR2458816B1/fr not_active Expired
- 1980-06-06 US US06/157,067 patent/US4362988A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2458816A1 (fr) | 1981-01-02 |
DE2923026A1 (de) | 1980-12-18 |
US4362988A (en) | 1982-12-07 |
DE2923026C2 (de) | 1982-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
TP | Transmission of property | ||
ST | Notification of lapse |