IN154796B - - Google Patents
Info
- Publication number
- IN154796B IN154796B IN929/CAL/81A IN929CA1981A IN154796B IN 154796 B IN154796 B IN 154796B IN 929CA1981 A IN929CA1981 A IN 929CA1981A IN 154796 B IN154796 B IN 154796B
- Authority
- IN
- India
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/265—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents responsive to phase angle between voltages or between currents
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measuring Phase Differences (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55125810A JPS5752321A (en) | 1980-09-10 | 1980-09-10 | Phase discriminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN154796B true IN154796B (enExample) | 1984-12-15 |
Family
ID=14919477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN929/CAL/81A IN154796B (enExample) | 1980-09-10 | 1981-08-20 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4427947A (enExample) |
| EP (1) | EP0047673B1 (enExample) |
| JP (1) | JPS5752321A (enExample) |
| AU (1) | AU530879B2 (enExample) |
| IN (1) | IN154796B (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5854724A (ja) * | 1981-09-28 | 1983-03-31 | Horiba Ltd | 自動位相校正方法及び装置 |
| CN104198781B (zh) * | 2014-09-05 | 2017-09-15 | 珠海迈科智能科技股份有限公司 | 一种控制交流信号输出的方法及装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE324835B (enExample) * | 1968-10-14 | 1970-06-15 | Asea Ab | |
| CH518555A (de) * | 1970-02-05 | 1972-01-31 | Bbc Brown Boveri & Cie | Verfahren zur eindeutigen Bestimmung der Phasenverschiebung zwischen zwei periodischen, in ihrer Frequenz gleichen oder nahezu gleichen elektrischen Signalen |
| FR2160306B1 (enExample) * | 1971-11-19 | 1974-05-10 | Schlumberger Compteurs | |
| US3743951A (en) | 1972-04-26 | 1973-07-03 | Us Navy | Voltage controlled up-down clock rate generator |
| US4053940A (en) | 1976-08-20 | 1977-10-11 | Westinghouse Electric Corporation | Modified offset keying apparatus for phase comparison relaying |
| US4225795A (en) | 1978-05-30 | 1980-09-30 | General Electric Company | Coincidence circuit for a protective relay circuit |
| JPS55101868A (en) | 1979-01-30 | 1980-08-04 | Yokogawa Hewlett Packard Ltd | Device for measuring vector voltage ratio |
| US4371974A (en) | 1981-02-25 | 1983-02-01 | Rockwell International Corporation | NRZ Data phase detector |
-
1980
- 1980-09-10 JP JP55125810A patent/JPS5752321A/ja active Granted
-
1981
- 1981-08-18 US US06/293,988 patent/US4427947A/en not_active Expired - Lifetime
- 1981-08-20 IN IN929/CAL/81A patent/IN154796B/en unknown
- 1981-08-24 AU AU74456/81A patent/AU530879B2/en not_active Ceased
- 1981-09-09 EP EP81304118A patent/EP0047673B1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU7445681A (en) | 1982-03-18 |
| JPS5752321A (en) | 1982-03-27 |
| EP0047673A1 (en) | 1982-03-17 |
| JPS6334985B2 (enExample) | 1988-07-13 |
| EP0047673B1 (en) | 1985-05-02 |
| US4427947A (en) | 1984-01-24 |
| AU530879B2 (en) | 1983-08-04 |