IT992765B - Circuito rivelatore di guasti in corrente alternata ad alta velocita - Google Patents
Circuito rivelatore di guasti in corrente alternata ad alta velocitaInfo
- Publication number
- IT992765B IT992765B IT2731973A IT2731973A IT992765B IT 992765 B IT992765 B IT 992765B IT 2731973 A IT2731973 A IT 2731973A IT 2731973 A IT2731973 A IT 2731973A IT 992765 B IT992765 B IT 992765B
- Authority
- IT
- Italy
- Prior art keywords
- high speed
- alternating current
- detector circuit
- fault detector
- current fault
- Prior art date
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30499672A | 1972-11-09 | 1972-11-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT992765B true IT992765B (it) | 1975-09-30 |
Family
ID=23178853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2731973A IT992765B (it) | 1972-11-09 | 1973-07-31 | Circuito rivelatore di guasti in corrente alternata ad alta velocita |
Country Status (6)
Country | Link |
---|---|
US (1) | US3760230A (it) |
JP (1) | JPS4978858A (it) |
CA (1) | CA981337A (it) |
DE (1) | DE2333474A1 (it) |
FR (1) | FR2206608A1 (it) |
IT (1) | IT992765B (it) |
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 (it) | 1974-06-07 |
JPS4978858A (it) | 1974-07-30 |
CA981337A (en) | 1976-01-06 |
US3760230A (en) | 1973-09-18 |
DE2333474A1 (de) | 1974-05-16 |
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