DE3060681D1 - Indicator circuit including a bridge circuit with means for error indication independent of voltage source variation - Google Patents
Indicator circuit including a bridge circuit with means for error indication independent of voltage source variationInfo
- Publication number
- DE3060681D1 DE3060681D1 DE8080100391T DE3060681T DE3060681D1 DE 3060681 D1 DE3060681 D1 DE 3060681D1 DE 8080100391 T DE8080100391 T DE 8080100391T DE 3060681 T DE3060681 T DE 3060681T DE 3060681 D1 DE3060681 D1 DE 3060681D1
- Authority
- DE
- Germany
- Prior art keywords
- voltage source
- error indication
- source variation
- bridge circuit
- circuit including
- 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
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
- G01K7/20—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer in a specially-adapted circuit, e.g. bridge circuit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
- G01R17/10—AC or DC measuring bridges
- G01R17/105—AC or DC measuring bridges for measuring impedance or resistance
-
- 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
- H03M1/56—Input signal compared with linear ramp
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Fixing For Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
- Control Of Voltage And Current In General (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/009,329 US4214234A (en) | 1979-02-05 | 1979-02-05 | Range tracking analog to digital converter for use with a bridge |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3060681D1 true DE3060681D1 (en) | 1982-09-16 |
Family
ID=21736975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8080100391T Expired DE3060681D1 (en) | 1979-02-05 | 1980-01-25 | Indicator circuit including a bridge circuit with means for error indication independent of voltage source variation |
Country Status (4)
Country | Link |
---|---|
US (1) | US4214234A (de) |
EP (1) | EP0014395B1 (de) |
JP (1) | JPS55105255A (de) |
DE (1) | DE3060681D1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2157515B (en) * | 1984-02-01 | 1987-10-07 | Suwa Seikosha Kk | Electronic thermometer |
US4694228A (en) * | 1986-03-21 | 1987-09-15 | Rca Corporation | Compensation circuit for control system providing pulse width modulated drive signal |
US4841497A (en) * | 1987-12-07 | 1989-06-20 | Tektronix, Inc. | Digital time base with corrected analog interpolation |
US5371500A (en) * | 1992-09-11 | 1994-12-06 | Delco Electronics Corporation | Maintaining ratiometric data in electronically manipulated signal processing systems |
US6559788B1 (en) * | 2002-02-12 | 2003-05-06 | Charles Douglas Murphy | Parallel and shared parallel analog-to-digital conversion for digital imaging |
US7528760B2 (en) * | 2007-01-26 | 2009-05-05 | Texas Insturments Incorporated | Class D analog-to-digital converter |
EP4001870A1 (de) * | 2020-11-18 | 2022-05-25 | Siemens Healthcare GmbH | Widerstandsbasierte temperaturmessung mit weitem messbereich |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2897486A (en) * | 1954-08-30 | 1959-07-28 | Telemeter Magnetics Inc | Analog-to-digital conversion system |
US3178583A (en) * | 1960-04-04 | 1965-04-13 | Motorola Inc | Transistor voltage comparator circuit |
US3333262A (en) * | 1964-06-16 | 1967-07-25 | American Radiator & Standard | Signal conversion apparatus |
US3411153A (en) * | 1964-10-12 | 1968-11-12 | Philco Ford Corp | Plural-signal analog-to-digital conversion system |
NL137728C (de) * | 1964-12-18 | |||
DE1250550B (de) * | 1964-12-21 | |||
US3593007A (en) * | 1967-10-13 | 1971-07-13 | Baxter Laboratories Inc | Electronic digital converter and readout unit |
US3597760A (en) * | 1968-10-31 | 1971-08-03 | Baxter Laboratories Inc | Differential digital converter |
US3942123A (en) * | 1970-06-15 | 1976-03-02 | Ivac Corporation | Electronic measurement system |
US3728626A (en) * | 1971-03-25 | 1973-04-17 | Colt Ind Operating Corp | Electronic measuring system |
JPS5650232B2 (de) * | 1972-11-15 | 1981-11-27 | ||
US3978471A (en) * | 1975-03-26 | 1976-08-31 | Weston Instruments, Inc. | Digital thermometer using a dual slope a/d converter without a high precision voltage source |
US3996453A (en) * | 1975-05-08 | 1976-12-07 | General Signal Corporation | Totalizer |
US4031533A (en) * | 1975-10-02 | 1977-06-21 | Analogic Corporation | Differential floating dual slope converter |
US4034294A (en) * | 1976-05-19 | 1977-07-05 | Bell Telephone Laboratories, Incorporated | Overlap PCM coder/decoder with reaction time compensation |
-
1979
- 1979-02-05 US US06/009,329 patent/US4214234A/en not_active Expired - Lifetime
-
1980
- 1980-01-18 JP JP374280A patent/JPS55105255A/ja active Granted
- 1980-01-25 DE DE8080100391T patent/DE3060681D1/de not_active Expired
- 1980-01-25 EP EP80100391A patent/EP0014395B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS55105255A (en) | 1980-08-12 |
US4214234A (en) | 1980-07-22 |
EP0014395A1 (de) | 1980-08-20 |
JPH0139048B2 (de) | 1989-08-17 |
EP0014395B1 (de) | 1982-07-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |