JPS5262068A - Electronic watthour meter - Google Patents
Electronic watthour meterInfo
- Publication number
- JPS5262068A JPS5262068A JP50137949A JP13794975A JPS5262068A JP S5262068 A JPS5262068 A JP S5262068A JP 50137949 A JP50137949 A JP 50137949A JP 13794975 A JP13794975 A JP 13794975A JP S5262068 A JPS5262068 A JP S5262068A
- Authority
- JP
- Japan
- Prior art keywords
- watthour meter
- electronic watthour
- electronic
- multiplier
- converters
- 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.)
- Granted
Links
Abstract
PURPOSE: To lower the operating speed of A/D converters and multiplier and make possible the calculation of electric energy at high accuracy with a simple construction by performing sampling of voltage waveforms and current waveforms at specific time intervals.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50137949A JPS5819068B2 (en) | 1975-11-17 | 1975-11-17 | Denshiki Denryokuriyokei |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50137949A JPS5819068B2 (en) | 1975-11-17 | 1975-11-17 | Denshiki Denryokuriyokei |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5262068A true JPS5262068A (en) | 1977-05-23 |
JPS5819068B2 JPS5819068B2 (en) | 1983-04-15 |
Family
ID=15210465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50137949A Expired JPS5819068B2 (en) | 1975-11-17 | 1975-11-17 | Denshiki Denryokuriyokei |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5819068B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5449180A (en) * | 1977-09-27 | 1979-04-18 | Toshiba Corp | Watthour meter |
JPS5450370A (en) * | 1977-09-29 | 1979-04-20 | Toshiba Corp | Watt meter |
JPS5828665A (en) * | 1981-08-13 | 1983-02-19 | Mitsubishi Electric Corp | Watthour meter |
JPH03122378U (en) * | 1990-03-26 | 1991-12-13 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6037380A (en) * | 1983-08-08 | 1985-02-26 | トヨタ自動車株式会社 | Keyless entry apparatus |
JPS60258382A (en) * | 1984-06-04 | 1985-12-20 | 沖電気防災株式会社 | Method and apparatus for controlling building shutter or electronic lock |
JPS60258381A (en) * | 1984-06-04 | 1985-12-20 | 三和シヤツタ−工業株式会社 | Method and apparatus for altering secret code of building shutter or electronic lock |
JPS6383381A (en) * | 1986-09-29 | 1988-04-14 | 三和シヤツタ−工業株式会社 | Electronic lock for shutter |
JPS6433881U (en) * | 1988-07-29 | 1989-03-02 | ||
JPS6433880U (en) * | 1988-07-29 | 1989-03-02 | ||
JPH02134294U (en) * | 1989-04-14 | 1990-11-07 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS526569A (en) * | 1975-07-07 | 1977-01-19 | Hitachi Ltd | Digital power measuring unit |
-
1975
- 1975-11-17 JP JP50137949A patent/JPS5819068B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS526569A (en) * | 1975-07-07 | 1977-01-19 | Hitachi Ltd | Digital power measuring unit |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5449180A (en) * | 1977-09-27 | 1979-04-18 | Toshiba Corp | Watthour meter |
JPS5450370A (en) * | 1977-09-29 | 1979-04-20 | Toshiba Corp | Watt meter |
JPS6314304B2 (en) * | 1977-09-29 | 1988-03-30 | Tokyo Shibaura Electric Co | |
JPS5828665A (en) * | 1981-08-13 | 1983-02-19 | Mitsubishi Electric Corp | Watthour meter |
JPH0434107B2 (en) * | 1981-08-13 | 1992-06-04 | Mitsubishi Electric Corp | |
JPH03122378U (en) * | 1990-03-26 | 1991-12-13 |
Also Published As
Publication number | Publication date |
---|---|
JPS5819068B2 (en) | 1983-04-15 |
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