JPS4978858A - - Google Patents
Info
- Publication number
- JPS4978858A JPS4978858A JP7234573A JP7234573A JPS4978858A JP S4978858 A JPS4978858 A JP S4978858A JP 7234573 A JP7234573 A JP 7234573A JP 7234573 A JP7234573 A JP 7234573A JP S4978858 A JPS4978858 A JP S4978858A
- 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.)
- Pending
Links
Classifications
-
- 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
- H02H3/24—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 undervoltage or no-voltage
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (AREA)
- Stand-By Power Supply Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US30499672A | 1972-11-09 | 1972-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4978858A true JPS4978858A (en:Method) | 1974-07-30 |
Family
ID=23178853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7234573A Pending JPS4978858A (en:Method) | 1972-11-09 | 1973-06-28 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3760230A (en:Method) |
| JP (1) | JPS4978858A (en:Method) |
| CA (1) | CA981337A (en:Method) |
| DE (1) | DE2333474A1 (en:Method) |
| FR (1) | FR2206608A1 (en:Method) |
| IT (1) | IT992765B (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3924159A (en) * | 1974-10-04 | 1975-12-02 | Rca Corp | Amplifier protection system |
| US4611126A (en) * | 1984-10-04 | 1986-09-09 | Werkzeugmaschinenfabrik Oerlikon-Buehrle Ag | Power on/off reset generator |
| US6204661B1 (en) * | 1998-09-30 | 2001-03-20 | Tech International Corp. | Detector for periodic magnetic field |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3201592A (en) * | 1961-07-24 | 1965-08-17 | Sperry Rand Corp | Control system for transferring a load from one power source to a second power source |
| US3409783A (en) * | 1965-04-20 | 1968-11-05 | Navy Usa | High-low voltage amplitude monitor |
| US3337742A (en) * | 1965-04-20 | 1967-08-22 | William H Baehr | Power supply monitor and bus transfer switch |
-
1972
- 1972-11-09 US US3760230D patent/US3760230A/en not_active Expired - Lifetime
-
1973
- 1973-06-27 CA CA175,079A patent/CA981337A/en not_active Expired
- 1973-06-28 JP JP7234573A patent/JPS4978858A/ja active Pending
- 1973-06-30 DE DE19732333474 patent/DE2333474A1/de active Pending
- 1973-07-31 IT IT2731973A patent/IT992765B/it active
- 1973-08-14 FR FR7329754A patent/FR2206608A1/fr active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2206608A1 (en:Method) | 1974-06-07 |
| CA981337A (en) | 1976-01-06 |
| US3760230A (en) | 1973-09-18 |
| DE2333474A1 (de) | 1974-05-16 |
| IT992765B (it) | 1975-09-30 |