GB8417505D0 - Electrical circuit - Google Patents
Electrical circuitInfo
- Publication number
- GB8417505D0 GB8417505D0 GB848417505A GB8417505A GB8417505D0 GB 8417505 D0 GB8417505 D0 GB 8417505D0 GB 848417505 A GB848417505 A GB 848417505A GB 8417505 A GB8417505 A GB 8417505A GB 8417505 D0 GB8417505 D0 GB 8417505D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrical circuit
- electrical
- circuit
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
- H03K17/0826—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in bipolar transistor switches
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
- H03K17/0812—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit
- H03K17/08122—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit in field-effect transistor switches
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833324819 DE3324819A1 (en) | 1983-07-09 | 1983-07-09 | CIRCUIT ARRANGEMENT WITH A LOAD-SWITCHING, CONTROLLABLE ELECTRONIC COMPONENT |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8417505D0 true GB8417505D0 (en) | 1984-08-15 |
GB2143095A GB2143095A (en) | 1985-01-30 |
GB2143095B GB2143095B (en) | 1987-06-17 |
Family
ID=6203583
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB848417237A Pending GB8417237D0 (en) | 1983-07-09 | 1984-07-06 | Circuit arrangement |
GB08417505A Expired GB2143095B (en) | 1983-07-09 | 1984-07-09 | Protecting electrical circuits with a load-switching component |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB848417237A Pending GB8417237D0 (en) | 1983-07-09 | 1984-07-06 | Circuit arrangement |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3324819A1 (en) |
FR (1) | FR2548842B1 (en) |
GB (2) | GB8417237D0 (en) |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB564469A (en) * | 1942-07-04 | 1944-09-28 | Budd Edward G Mfg Co | Improvements in or relating to protective systems for electrical apparatus |
GB1192364A (en) * | 1966-05-26 | 1970-05-20 | Teddington Aircraft Controls L | Improvements in or relating to Aircraft De-Icing and Anti-Icing Systems |
DE1613803B2 (en) * | 1968-03-02 | 1972-04-13 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | OVERLOAD PROTECTION DEVICE |
GB1259458A (en) * | 1968-07-31 | 1972-01-05 | ||
US3551747A (en) * | 1969-02-24 | 1970-12-29 | Gen Electric | Pulse width modulated bridge power amplifier protection circuit |
US3914667A (en) * | 1972-03-27 | 1975-10-21 | Ite Imperial Corp | Rate of rise tripping device |
US4151519A (en) * | 1977-08-29 | 1979-04-24 | Sperry Rand Corporation | Protective circuit for compass repeater amplifier systems |
IT1110628B (en) * | 1979-01-30 | 1985-12-23 | Sp El Srl | CIRCUIT FOR THE AUTOMATIC PROTECTION OF POWER TRANSISTORS, ESPECIALLY FOR SWITCHING CONVERTERS OR SIMILAR |
GB2056808A (en) * | 1979-08-17 | 1981-03-18 | Lumenition Ltd | Power transistor protection |
DE2951240A1 (en) * | 1979-12-19 | 1981-07-02 | Elektra Bahn-Elektronik Gmbh, 7750 Konstanz | Inverter with load transistors forming bridge circuit - has excess current protection system with current measuring device in each output path |
DE3109482A1 (en) * | 1981-03-12 | 1982-09-23 | Siemens AG, 1000 Berlin und 8000 München | SHORT CIRCUIT PROTECTION DEVICE FOR A DC CONTROLLER |
DE3121754C1 (en) * | 1981-06-01 | 1982-12-09 | Siemens AG, 1000 Berlin und 8000 München | Circuit breaker with a field-effect transistor |
DE3134599C2 (en) * | 1981-09-01 | 1986-03-06 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Method and circuit arrangement for regulating the output voltage of an externally controlled DC voltage converter |
DE3135805A1 (en) * | 1981-09-10 | 1983-03-24 | Robert Bosch Gmbh, 7000 Stuttgart | ELECTRICAL CIRCUIT ARRANGEMENT IN CONNECTION WITH A CAR CONTROL UNIT |
US4484127A (en) * | 1982-05-28 | 1984-11-20 | Otis Elevator Company | Inverter power transistor protection |
-
1983
- 1983-07-09 DE DE19833324819 patent/DE3324819A1/en active Granted
-
1984
- 1984-07-06 GB GB848417237A patent/GB8417237D0/en active Pending
- 1984-07-09 GB GB08417505A patent/GB2143095B/en not_active Expired
- 1984-07-09 FR FR8410887A patent/FR2548842B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2548842B1 (en) | 1994-01-28 |
GB2143095B (en) | 1987-06-17 |
GB8417237D0 (en) | 1984-08-08 |
GB2143095A (en) | 1985-01-30 |
DE3324819A1 (en) | 1985-01-24 |
FR2548842A1 (en) | 1985-01-11 |
DE3324819C2 (en) | 1993-01-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
746 | Register noted 'licences of right' (sect. 46/1977) |
Effective date: 19930628 |
|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19940709 |