JPS5548260B2 - - Google Patents
Info
- Publication number
- JPS5548260B2 JPS5548260B2 JP12883277A JP12883277A JPS5548260B2 JP S5548260 B2 JPS5548260 B2 JP S5548260B2 JP 12883277 A JP12883277 A JP 12883277A JP 12883277 A JP12883277 A JP 12883277A JP S5548260 B2 JPS5548260 B2 JP S5548260B2
- Authority
- JP
- Japan
- 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
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
- G01R21/1331—Measuring real or reactive component, measuring apparent energy
-
- 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)
- Measuring Frequencies, Analyzing Spectra (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/736,797 US4056774A (en) | 1976-10-29 | 1976-10-29 | Electronic watthour meter circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5356071A JPS5356071A (en) | 1978-05-22 |
| JPS5548260B2 true JPS5548260B2 (index.php) | 1980-12-04 |
Family
ID=24961339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12883277A Granted JPS5356071A (en) | 1976-10-29 | 1977-10-28 | Wattthour meter circuit |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4056774A (index.php) |
| JP (1) | JPS5356071A (index.php) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5333183A (en) * | 1976-09-09 | 1978-03-28 | Toshiba Corp | Electronic coulometer |
| US4180074A (en) * | 1977-03-15 | 1979-12-25 | Fibra-Sonics, Inc. | Device and method for applying precise irrigation, aspiration, medication, ultrasonic power and dwell time to biotissue for surgery and treatment |
| NL183424B (nl) * | 1977-05-16 | Enertec | Elektronische energiemeter. | |
| US4147978A (en) * | 1977-12-19 | 1979-04-03 | Dupont Energy Management Corporation | System for monitoring electrical energy consumption |
| US4236112A (en) * | 1978-07-17 | 1980-11-25 | Conversational Systems, Inc. | Power measuring apparatus |
| US4321753A (en) * | 1978-09-01 | 1982-03-30 | Illinois Tool Works Inc. | Electronic gear checker |
| US4272891A (en) * | 1978-09-01 | 1981-06-16 | Illinois Tool Works Inc. | Electronic gear checker |
| US4250449A (en) * | 1978-11-24 | 1981-02-10 | Westinghouse Electric Corp. | Digital electric energy measuring circuit |
| US4257004A (en) * | 1978-12-21 | 1981-03-17 | Westinghouse Electric Corp. | Electrical energy measuring multimeter |
| GB2040051B (en) * | 1979-01-11 | 1982-12-08 | South Eastern Elec Board | Electroni kolowatthour meter |
| US4255707A (en) * | 1979-08-07 | 1981-03-10 | Westinghouse Electric Corp. | Electrical energy meter |
| GB8426822D0 (en) * | 1984-10-23 | 1984-11-28 | Day S | Static electricity meter |
| US4658323A (en) * | 1985-06-10 | 1987-04-14 | General Electric Company | RMS calculation circuit for digital circuit interrupters |
| ATE88576T1 (de) * | 1989-12-14 | 1993-05-15 | Landis & Gyr Business Support | Anordnung zur ermittlung von werten elektrischer groessen, die von messwerten mindestens zweier elektrischer eingangsgroessen der anordnung ableitbar sind. |
| DE59203277D1 (de) * | 1991-07-22 | 1995-09-21 | Landis & Gyr Betriebs Ag | Anordnung zum Messen einer Blindleistung oder einer Blindenergie. |
| JP5199358B2 (ja) * | 2007-07-13 | 2013-05-15 | キネックツ ソリューションズ インコーポレイテッド | 変圧器用メータおよびそれを使用するシステム |
| US9213050B2 (en) * | 2010-08-30 | 2015-12-15 | Sharp Laboratories Of America, Inc. | Delayed meter reporting |
| US10161973B2 (en) * | 2014-04-25 | 2018-12-25 | Eurotherm Ltd | System and method for measuring active power in a load without a load voltage |
| US11175322B2 (en) | 2019-12-19 | 2021-11-16 | Landis+Gyr Innovations, Inc. | Gating energy consumption accumulation by detecting a fundamental component of a current |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA829472A (en) * | 1969-12-09 | D. Moore Arthur | Method and apparatus for measuring electrical energy | |
| US3517311A (en) * | 1968-12-26 | 1970-06-23 | Pranor Ind Inc | Pulse accumulating watt-hour measuring system |
| GB1313511A (en) * | 1969-05-20 | 1973-04-11 | Science Res Council | Apparatus for indicating power consumption |
-
1976
- 1976-10-29 US US05/736,797 patent/US4056774A/en not_active Expired - Lifetime
-
1977
- 1977-10-28 JP JP12883277A patent/JPS5356071A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5356071A (en) | 1978-05-22 |
| US4056774A (en) | 1977-11-01 |