CH672847A5 - - Google Patents
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- Publication number
- CH672847A5 CH672847A5 CH1393/85A CH139385A CH672847A5 CH 672847 A5 CH672847 A5 CH 672847A5 CH 1393/85 A CH1393/85 A CH 1393/85A CH 139385 A CH139385 A CH 139385A CH 672847 A5 CH672847 A5 CH 672847A5
- Authority
- CH
- Switzerland
- Prior art keywords
- signal
- amplifier
- offset
- converter
- voltage
- Prior art date
Links
- 238000012546 transfer Methods 0.000 claims description 45
- 238000005259 measurement Methods 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 35
- 230000003111 delayed effect Effects 0.000 claims description 30
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000004044 response Effects 0.000 claims description 6
- 230000006870 function Effects 0.000 claims description 5
- 230000010354 integration Effects 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims 6
- 230000002123 temporal effect Effects 0.000 claims 3
- 238000009966 trimming Methods 0.000 claims 3
- 239000000523 sample Substances 0.000 claims 2
- 206010012289 Dementia Diseases 0.000 claims 1
- 230000001419 dependent effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 54
- 230000008859 change Effects 0.000 description 22
- 238000010586 diagram Methods 0.000 description 15
- 230000001934 delay Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 101150087426 Gnal gene Proteins 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001687 destabilization Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Analogue/Digital Conversion (AREA)
- Amplifiers (AREA)
- Measurement Of Current Or Voltage (AREA)
- Amplitude Modulation (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/518,832 US4573037A (en) | 1983-08-01 | 1983-08-01 | Analog-to digital converter and method |
| US06/518,820 US4542354A (en) | 1983-08-01 | 1983-08-01 | Delta-sigma pulse modulator with offset compensation |
| US53655883A | 1983-09-27 | 1983-09-27 | |
| US06/543,095 US4709375A (en) | 1983-09-27 | 1983-10-18 | Digital phase selection system for signal multipliers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH672847A5 true CH672847A5 (sv) | 1989-12-29 |
Family
ID=27504546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1393/85A CH672847A5 (sv) | 1983-08-01 | 1985-07-24 |
Country Status (9)
| Country | Link |
|---|---|
| CA (1) | CA1253968A (sv) |
| CH (1) | CH672847A5 (sv) |
| DE (5) | DE3448184C2 (sv) |
| FR (4) | FR2555318B1 (sv) |
| GB (5) | GB2154329B (sv) |
| IT (1) | IT1176528B (sv) |
| NL (1) | NL8420205A (sv) |
| SE (5) | SE452516B (sv) |
| WO (1) | WO1985000711A1 (sv) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0240102A3 (en) * | 1986-03-31 | 1988-07-27 | Robinton Products Inc. | Power meter having self-test function |
| DE3772501D1 (de) * | 1986-09-19 | 1991-10-02 | Siemens Ag | Elektronischer elektrizitaetszaehler. |
| US4951052A (en) * | 1989-07-10 | 1990-08-21 | General Electric Company | Correction of systematic error in an oversampled analog-to-digital converter |
| US5200752A (en) * | 1991-07-18 | 1993-04-06 | Hewlett-Packard Company | Integrating analog to digital converter run-up method and system |
| DE9406292U1 (de) * | 1993-12-09 | 1994-06-16 | Siemens Ag | Klemmenblock für ein elektrisches Gerät |
| DE19630605A1 (de) * | 1996-07-29 | 1998-02-05 | Tech Gmbh Antriebstechnik Und | Multiplikationsschaltung für Leistungs-Meßgerät |
| EP0942271A1 (en) * | 1998-03-10 | 1999-09-15 | Oxford Instruments (Uk) Limited | Improvements in resistance thermometry |
| DE19938779B4 (de) * | 1999-08-16 | 2007-06-21 | Siemens Ag | Schaltung und Verfahren zur Bestimmung des Offsetfehlers bei einer offsetfehlerbehafteten Messung des Spulenstroms eines elektromagnetischen Stellgerätes |
Family Cites Families (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3070786A (en) | 1958-08-21 | 1962-12-25 | Thompson Ramo Wooldridge Inc | Drift compensating circuits |
| DE1207436B (de) * | 1964-06-03 | 1965-12-23 | Standard Elektrik Lorenz Ag | Nichtlineares Codier- bzw. Decodier-System |
| US3461406A (en) * | 1966-07-05 | 1969-08-12 | Motorola Inc | Delta modulator using operational integration |
| US3470471A (en) * | 1968-05-31 | 1969-09-30 | Canadian Patents Dev | Polarity coincidence correlation method and apparatus for measuring electrical energy |
| US3895376A (en) * | 1971-10-26 | 1975-07-15 | Iwatsu Electric Co Ltd | Dual slope integrating analog to digital converter |
| US3794917A (en) * | 1972-03-09 | 1974-02-26 | Esterline Corp | Electronic watt transducer |
| US3859654A (en) * | 1972-10-11 | 1975-01-07 | Ibm | Analog to digital converter for electrical signals |
| GB1373581A (en) * | 1973-01-05 | 1974-11-13 | Hunter R D | Wattmeters |
| US3875508A (en) * | 1973-09-07 | 1975-04-01 | Gen Electric | Metering electrical energy (kWh) in single phase systems |
| DE2348667B2 (de) * | 1973-09-27 | 1975-08-14 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Elektronischer kWh-Zähler |
| US3914591A (en) * | 1974-04-19 | 1975-10-21 | Bell Telephone Labor Inc | Analog electronic multiplier |
| US3942110A (en) * | 1974-05-08 | 1976-03-02 | General Electric Company | Analog to pulse rate converter |
| US3955138A (en) * | 1974-11-06 | 1976-05-04 | General Electric Company | Electronic energy consumption meter with input transformer having single resistance terminated secondary winding coupled to C-MOS switches driven by pulse width modulated control signals |
| US4009475A (en) * | 1974-12-05 | 1977-02-22 | Hybrid Systems Corporation | Delta-sigma converter and decoder |
| US3975682A (en) * | 1974-12-13 | 1976-08-17 | Esterline Corporation | Watt/watthour transducer and integrator and current sources therefor |
| US4217545A (en) * | 1975-06-20 | 1980-08-12 | Nihon Denki Keiki Kenteisho | Electronic type polyphase electric energy meter |
| US4031532A (en) * | 1975-12-29 | 1977-06-21 | First David J | Voltage to frequency converter |
| US4083043A (en) * | 1976-02-18 | 1978-04-04 | Trw Inc. | High speed monolithic a/d converter utilizing strobe comparator |
| JPS535678A (en) * | 1976-07-03 | 1978-01-19 | Shoei Denki Kk | Device for measuring active and reactive components of aac current or power |
| US4298984A (en) * | 1976-10-06 | 1981-11-03 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence | Method and apparatus for improving error rate on radio teletype circuits |
| DE2656975C3 (de) * | 1976-12-16 | 1979-09-27 | Te Ka De Felten & Guilleaume Fernmeldeanlagen Gmbh, 8500 Nuernberg | Verfahren zur Übertragung von modulierten Datensignalen mittels adaptiver Deltamodulation |
| DE2747385C2 (de) * | 1977-10-21 | 1983-12-29 | Siemens AG, 1000 Berlin und 8000 München | Elektronischer Wechselstromzähler |
| SE7810662L (sv) * | 1978-01-24 | 1979-07-25 | Zolotenko Vladimir A | Anordning for nollnivakorrigerande forsterkning av en pulsspenning |
| US4291409A (en) * | 1978-06-20 | 1981-09-22 | The Mitre Corporation | Spread spectrum communications method and apparatus |
| JPS581388B2 (ja) * | 1978-07-06 | 1983-01-11 | 株式会社東芝 | 電力量計 |
| US4182983A (en) * | 1978-07-11 | 1980-01-08 | Westinghouse Electric Corp. | Electronic AC electric energy measuring circuit |
| US4203071A (en) * | 1978-08-08 | 1980-05-13 | The Charles Stark Draper Laboratory, Inc. | Pseudo-random-number-code-detection and tracking system |
| DE2846598A1 (de) * | 1978-10-26 | 1980-04-30 | Stepper & Co | Time-division-multiplizierer insbesondere zur messung der elektrischen leistung und energie |
| US4217546A (en) * | 1978-12-11 | 1980-08-12 | General Electric Company | Electronic energy consumption meter and system with automatic error correction |
| JPS5948571B2 (ja) * | 1979-01-29 | 1984-11-27 | タケダ理研工業株式会社 | アナログデジタル変換装置 |
| US4275349A (en) * | 1979-05-11 | 1981-06-23 | Westinghouse Electric Corp. | Watt and var transducer |
| US4291300A (en) * | 1979-11-01 | 1981-09-22 | Burroughs Corporation | Tracking analog-to-digital converter for AC signals |
| US4322687A (en) * | 1980-05-19 | 1982-03-30 | Bell Telephone Laboratories, Incorporated | Operational amplifier with improved offset correction |
| US4463311A (en) * | 1980-05-29 | 1984-07-31 | Tokyo Shibaura Denki Kabushiki Kaisha | Electronic electric-energy meter |
| JPS571972A (en) | 1980-06-04 | 1982-01-07 | Toshiba Corp | Electronic type electric energy meter |
| CA1199070A (en) * | 1980-10-06 | 1986-01-07 | Prentice G. Moore | Electronic watt/var transducer |
| DE3110119A1 (de) * | 1981-03-16 | 1982-09-23 | EM Elektro-Mechanik GmbH, 5620 Velbert | Energierichtungsanzeiger |
| US4495463A (en) * | 1982-02-24 | 1985-01-22 | General Electric Company | Electronic watt and/or watthour measuring circuit having active load terminated current sensor for sensing current and providing automatic zero-offset of current sensor DC offset error potentials |
| US4485353A (en) * | 1982-05-28 | 1984-11-27 | Rca Corporation | PLL Oscillator synchronizing system with matrix for phase correction |
-
1984
- 1984-07-24 GB GB08507289A patent/GB2154329B/en not_active Expired
- 1984-07-24 DE DE3448184A patent/DE3448184C2/de not_active Expired
- 1984-07-24 DE DE3448185A patent/DE3448185C2/de not_active Expired
- 1984-07-24 DE DE3448182A patent/DE3448182C2/de not_active Expired
- 1984-07-24 DE DE3448183A patent/DE3448183C2/de not_active Expired
- 1984-07-24 WO PCT/US1984/001149 patent/WO1985000711A1/en active Application Filing
- 1984-07-24 NL NL8420205A patent/NL8420205A/nl unknown
- 1984-07-24 DE DE19843490349 patent/DE3490349T1/de not_active Ceased
- 1984-07-31 CA CA000460125A patent/CA1253968A/en not_active Expired
- 1984-08-01 IT IT22167/84A patent/IT1176528B/it active
- 1984-08-01 FR FR848412196A patent/FR2555318B1/fr not_active Expired
-
1985
- 1985-01-03 FR FR8500036A patent/FR2555381A1/fr not_active Withdrawn
- 1985-01-03 FR FR8500037A patent/FR2555382A1/fr not_active Withdrawn
- 1985-01-03 FR FR8500035A patent/FR2555379A1/fr not_active Withdrawn
- 1985-04-01 SE SE8501603A patent/SE452516B/sv not_active IP Right Cessation
- 1985-07-24 CH CH1393/85A patent/CH672847A5/de not_active IP Right Cessation
- 1985-10-16 SE SE8504814A patent/SE8504814D0/sv not_active Application Discontinuation
- 1985-10-16 SE SE8504816A patent/SE8504816D0/sv not_active Application Discontinuation
- 1985-10-16 SE SE8504813A patent/SE453129B/sv not_active IP Right Cessation
- 1985-10-16 SE SE8504815A patent/SE8504815D0/sv not_active Application Discontinuation
-
1986
- 1986-08-22 GB GB08620429A patent/GB2178261B/en not_active Expired
- 1986-08-22 GB GB08620426A patent/GB2178545B/en not_active Expired
- 1986-08-22 GB GB08620427A patent/GB2178260B/en not_active Expired
- 1986-08-22 GB GB08620428A patent/GB2178177B/en not_active Expired
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |