NL7204165A - - Google Patents
Info
- Publication number
- NL7204165A NL7204165A NL7204165A NL7204165A NL7204165A NL 7204165 A NL7204165 A NL 7204165A NL 7204165 A NL7204165 A NL 7204165A NL 7204165 A NL7204165 A NL 7204165A NL 7204165 A NL7204165 A NL 7204165A
- Authority
- NL
- Netherlands
Links
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Measurement Of Current Or Voltage (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2128883A DE2128883B2 (de) | 1971-06-11 | 1971-06-11 | Schaltungsanordnung zur Messung des elektrischen Verbrauchs entsprechend der jeweiligen Energieflußrichtung (Lieferung und Bezug) mit einem elektronischen kWh Zahler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7204165A true NL7204165A (un) | 1972-12-13 |
Family
ID=5810411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7204165A NL7204165A (un) | 1971-06-11 | 1972-03-28 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3731190A (un) |
| JP (1) | JPS5149430B1 (un) |
| AT (1) | AT319394B (un) |
| CH (1) | CH535435A (un) |
| DE (1) | DE2128883B2 (un) |
| FR (1) | FR2140532B1 (un) |
| GB (1) | GB1383113A (un) |
| IT (1) | IT956375B (un) |
| NL (1) | NL7204165A (un) |
| SE (1) | SE371018B (un) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2404292A1 (de) * | 1974-01-30 | 1975-07-31 | Kabel Metallwerke Ghh | Verfahren zur herstellung von mischungen z.b. auf der basis von thermoplasten oder elastomeren |
| DE2450252C2 (de) * | 1974-10-23 | 1982-07-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung für die energieflußabhängige Umschaltung bei einem Elektrizitätszähler |
| US3975682A (en) * | 1974-12-13 | 1976-08-17 | Esterline Corporation | Watt/watthour transducer and integrator and current sources therefor |
| JPS5658570U (un) * | 1979-10-11 | 1981-05-20 | ||
| JPS57146121U (un) * | 1981-03-06 | 1982-09-14 | ||
| JPS57146168A (en) * | 1981-03-05 | 1982-09-09 | Toshiba Corp | Device for judging power flow |
| JP2650142B2 (ja) * | 1989-08-10 | 1997-09-03 | レーム プロパティズ ビーブイ | 支払装置とカード |
| DE4121654A1 (de) * | 1991-06-29 | 1993-01-07 | Asea Brown Boveri | Kombinierter strom- und spannungswandler fuer eine metallgekapselte gasisolierte hochspannungsanlage |
| JP3532237B2 (ja) * | 1994-03-04 | 2004-05-31 | 株式会社東芝 | 電圧／周波数変換装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH460169A (de) * | 1967-11-13 | 1968-07-31 | Landis & Gyr Ag | Verfahren zur Messung elektrischer Wirkenergie und Schaltungsanordnung zur Durchführung des Verfahrens |
| US3470471A (en) * | 1968-05-31 | 1969-09-30 | Canadian Patents Dev | Polarity coincidence correlation method and apparatus for measuring electrical energy |
-
1971
- 1971-06-11 DE DE2128883A patent/DE2128883B2/de active Granted
-
1972
- 1972-03-13 CH CH360972A patent/CH535435A/de not_active IP Right Cessation
- 1972-03-28 NL NL7204165A patent/NL7204165A/xx not_active Application Discontinuation
- 1972-04-12 AT AT316572A patent/AT319394B/de not_active IP Right Cessation
- 1972-06-06 JP JP47056404A patent/JPS5149430B1/ja active Pending
- 1972-06-07 FR FR7220482A patent/FR2140532B1/fr not_active Expired
- 1972-06-08 IT IT25432/72A patent/IT956375B/it active
- 1972-06-09 SE SE7207615A patent/SE371018B/xx unknown
- 1972-06-12 US US00261657A patent/US3731190A/en not_active Expired - Lifetime
- 1972-06-12 GB GB2741072A patent/GB1383113A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1383113A (en) | 1975-02-05 |
| DE2128883B2 (de) | 1973-11-15 |
| FR2140532B1 (un) | 1978-04-28 |
| US3731190A (en) | 1973-05-01 |
| JPS5149430B1 (un) | 1976-12-27 |
| CH535435A (de) | 1973-03-31 |
| DE2128883A1 (de) | 1973-01-04 |
| AT319394B (de) | 1974-12-27 |
| FR2140532A1 (un) | 1973-01-19 |
| SE371018B (un) | 1974-11-04 |
| IT956375B (it) | 1973-10-10 |
| DE2128883C3 (un) | 1974-06-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | A search report has been drawn up | ||
| BV | The patent application has lapsed |