FR2115378A1 - - Google Patents
Info
- Publication number
- FR2115378A1 FR2115378A1 FR7142074A FR7142074A FR2115378A1 FR 2115378 A1 FR2115378 A1 FR 2115378A1 FR 7142074 A FR7142074 A FR 7142074A FR 7142074 A FR7142074 A FR 7142074A FR 2115378 A1 FR2115378 A1 FR 2115378A1
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals
- G06G7/184—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements
- G06G7/186—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements using an operational amplifier comprising a capacitor or a resistor in the feedback loop
- G06G7/1865—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements using an operational amplifier comprising a capacitor or a resistor in the feedback loop with initial condition setting
-
- 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)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5581770A GB1361613A (en) | 1970-11-24 | 1970-11-24 | Analogue to digital converters |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2115378A1 true FR2115378A1 (fr) | 1972-07-07 |
FR2115378B1 FR2115378B1 (fr) | 1974-05-10 |
Family
ID=10474971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7142074A Expired FR2115378B1 (fr) | 1970-11-24 | 1971-11-24 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3729733A (fr) |
DE (1) | DE2158057A1 (fr) |
FR (1) | FR2115378B1 (fr) |
GB (1) | GB1361613A (fr) |
NL (1) | NL7116125A (fr) |
SE (1) | SE372677B (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3883863A (en) * | 1973-10-02 | 1975-05-13 | Westinghouse Electric Corp | Integrating analog to digital converter with variable time base |
DE2353664A1 (de) * | 1973-10-26 | 1975-05-07 | Bodenseewerk Perkin Elmer Co | Integrierende signalverarbeitungsschaltung |
GB1486929A (en) * | 1973-11-28 | 1977-09-28 | Suwa Seikosha Kk | Analogue-to-digital signal converters |
NO142687C (no) * | 1975-07-05 | 1980-09-24 | Danfoss As | Koplingsanordning for aa utlede fysiske stoerrelser, saerlig stroemningshastighet for stroemmende medier etter ultralydmetoden |
CH652876A5 (en) * | 1980-08-04 | 1985-11-29 | Bbc Brown Boveri & Cie | Method and device for analog-digital conversion of an electrical measured value with changeable conversion ratio |
DE3138879A1 (de) * | 1981-09-30 | 1983-04-14 | Boehringer Mannheim Gmbh, 6800 Mannheim | Verfahren zur erfassung photometrischer signale und anordnung zur durchfuehrung des verfahrens |
DE3421873A1 (de) * | 1984-06-13 | 1985-12-19 | Brown, Boveri & Cie Ag, 6800 Mannheim | Messverfahren zur ermittlung der differenz zwischen einer wechselspannung und einer zweiten spannung sowie messvorrichtung zu seiner anwendung |
DE3836115A1 (de) * | 1988-10-22 | 1990-04-26 | Bodenseewerk Geraetetech | Filter zur gewinnung eines zeitlich konstanten nutzsignals aus einem verrauschten messsignal |
US4999632A (en) * | 1989-12-15 | 1991-03-12 | Boehringer Mannheim Corporation | Analog to digital conversion with noise reduction |
WO1997004320A1 (fr) * | 1995-07-21 | 1997-02-06 | Honeywell Inc. | Numeriseur a double pente |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL137500C (fr) * | 1964-04-23 | |||
GB1153201A (en) * | 1966-04-30 | 1969-05-29 | Fenlow Electronics Ltd | Improvements in or relating to Apparatus for Measuring the Voltage of a D.C. Component in an Electrical Voltage |
US3566265A (en) * | 1968-11-18 | 1971-02-23 | Time Systems Corp | Compensated step ramp digital voltmeter |
US3569957A (en) * | 1968-12-23 | 1971-03-09 | Ibm | Analogue to digital converter with isolated inputs |
-
1970
- 1970-11-24 GB GB5581770A patent/GB1361613A/en not_active Expired
-
1971
- 1971-11-23 US US00201553A patent/US3729733A/en not_active Expired - Lifetime
- 1971-11-23 SE SE7114972A patent/SE372677B/xx unknown
- 1971-11-23 DE DE19712158057 patent/DE2158057A1/de active Pending
- 1971-11-24 FR FR7142074A patent/FR2115378B1/fr not_active Expired
- 1971-11-24 NL NL7116125A patent/NL7116125A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1361613A (en) | 1974-07-30 |
FR2115378B1 (fr) | 1974-05-10 |
US3729733A (en) | 1973-04-24 |
NL7116125A (fr) | 1972-05-26 |
DE2158057A1 (de) | 1972-05-25 |
SE372677B (fr) | 1974-12-23 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |