FR2375741B1 - - Google Patents
Info
- Publication number
- FR2375741B1 FR2375741B1 FR7738389A FR7738389A FR2375741B1 FR 2375741 B1 FR2375741 B1 FR 2375741B1 FR 7738389 A FR7738389 A FR 7738389A FR 7738389 A FR7738389 A FR 7738389A FR 2375741 B1 FR2375741 B1 FR 2375741B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/52—Circuit arrangements for protecting such amplifiers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of DC component by short circuits in AC networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/044—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a semiconductor device to sense the temperature
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Semiconductor Integrated Circuits (AREA)
- Bipolar Transistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT30659/76A IT1074446B (it) | 1976-12-21 | 1976-12-21 | Circuito integrato monolitico di potenza,con protezione contro il cortocircuito ritardata |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2375741A1 FR2375741A1 (fr) | 1978-07-21 |
| FR2375741B1 true FR2375741B1 (OSRAM) | 1982-03-19 |
Family
ID=11230646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7738389A Granted FR2375741A1 (fr) | 1976-12-21 | 1977-12-20 | Dispositif de protection a semi-conducteurs |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US4157513A (OSRAM) |
| JP (1) | JPS5378187A (OSRAM) |
| DE (1) | DE2756044A1 (OSRAM) |
| FR (1) | FR2375741A1 (OSRAM) |
| GB (1) | GB1547736A (OSRAM) |
| IT (1) | IT1074446B (OSRAM) |
| SE (1) | SE425200B (OSRAM) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1074446B (it) * | 1976-12-21 | 1985-04-20 | Ates Componenti Elettron | Circuito integrato monolitico di potenza,con protezione contro il cortocircuito ritardata |
| JPS5510208A (en) * | 1978-07-07 | 1980-01-24 | Hitachi Ltd | Aso protection circuit |
| US4321648A (en) * | 1981-02-25 | 1982-03-23 | Rca Corporation | Over-current protection circuits for power transistors |
| US4480196A (en) * | 1982-05-21 | 1984-10-30 | Northern Telecom Limited | Input protection circuits for integrated circuit devices |
| US4709171A (en) * | 1982-05-27 | 1987-11-24 | Motorola, Inc. | Current limiter and method for limiting current |
| DE3512563A1 (de) * | 1985-04-06 | 1986-10-16 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltungsanordnung zur leistungsbegrenzung von kurzschlussfesten endstufen |
| US4669025A (en) * | 1986-04-21 | 1987-05-26 | Digital Equipment Corporation | Semiconductor junction temperature emulator |
| US4771357A (en) * | 1986-07-23 | 1988-09-13 | Motorola, Inc. | Power driver having short circuit protection |
| USRE33941E (en) * | 1986-07-23 | 1992-05-26 | Motorola, Inc. | Power driver having short circuit protection |
| US4939786A (en) * | 1987-03-09 | 1990-07-03 | Motorola, Inc. | Adaptive thermal protection for a power amplifier by remote sense |
| DE3804679C2 (de) * | 1988-02-15 | 1993-12-02 | Bosch Gmbh Robert | Überlastschutz für Elektromotoren |
| US4945445A (en) * | 1988-09-29 | 1990-07-31 | Gentron Corporation | Current sense circuit |
| JPH02278759A (ja) * | 1989-04-20 | 1990-11-15 | Matsushita Electron Corp | 半導体信号遅延回路 |
| GB2248151A (en) * | 1990-09-24 | 1992-03-25 | Philips Electronic Associated | Temperature sensing and protection circuit. |
| US5444219A (en) * | 1990-09-24 | 1995-08-22 | U.S. Philips Corporation | Temperature sensing device and a temperature sensing circuit using such a device |
| JP3042256B2 (ja) * | 1993-05-28 | 2000-05-15 | 松下電器産業株式会社 | パワートランジスタ温度保護回路装置 |
| US6765802B1 (en) * | 2000-10-27 | 2004-07-20 | Ridley Engineering, Inc. | Audio sound quality enhancement apparatus |
| US7474536B2 (en) * | 2000-10-27 | 2009-01-06 | Ridley Ray B | Audio sound quality enhancement apparatus and method |
| US6452491B1 (en) * | 2001-04-25 | 2002-09-17 | Simplexgrinnell Lp | Amplifier and heat sink configuration |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3809928A (en) * | 1962-09-07 | 1974-05-07 | Texas Instruments Inc | Integrated structure amplifier with thermal feedback |
| US3258606A (en) * | 1962-10-16 | 1966-06-28 | Integrated circuits using thermal effects | |
| US3393328A (en) * | 1964-09-04 | 1968-07-16 | Texas Instruments Inc | Thermal coupling elements |
| US3365675A (en) * | 1965-01-04 | 1968-01-23 | Gen Electric | Power amplifier control and protective circuit |
| US3421102A (en) * | 1965-06-10 | 1969-01-07 | Tektronix Inc | Direct coupled temperature compensated amplifier |
| US3440352A (en) * | 1966-09-09 | 1969-04-22 | Bell Telephone Labor Inc | Piezoresistance element microphone circuit |
| DE1763346C3 (de) * | 1968-05-09 | 1974-06-06 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zur Überlastungssicherung für elektronische Relaisanordnungen |
| US3555358A (en) * | 1969-10-08 | 1971-01-12 | Ltv Ling Altec Inc | Overload protection network for solid state amplifier |
| IT958867B (it) * | 1972-05-15 | 1973-10-30 | Semiconduttori Spa Sgs Soc Gen | Dispositivo di protezione per un elemento di potenza di un circuito integrato |
| IT1049596B (it) * | 1975-09-18 | 1981-02-10 | Ates Componenti Elettron | Dispositivo di protezione per un elemento di potenza di un circuito integrato |
| US3988644A (en) * | 1975-09-26 | 1976-10-26 | Motorola, Inc. | Current protection circuit |
| IT1074446B (it) * | 1976-12-21 | 1985-04-20 | Ates Componenti Elettron | Circuito integrato monolitico di potenza,con protezione contro il cortocircuito ritardata |
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1976
- 1976-12-21 IT IT30659/76A patent/IT1074446B/it active
-
1977
- 1977-12-15 DE DE19772756044 patent/DE2756044A1/de not_active Withdrawn
- 1977-12-19 SE SE7714425A patent/SE425200B/sv not_active IP Right Cessation
- 1977-12-20 US US05/862,355 patent/US4157513A/en not_active Expired - Lifetime
- 1977-12-20 FR FR7738389A patent/FR2375741A1/fr active Granted
- 1977-12-21 JP JP15306077A patent/JPS5378187A/ja active Pending
- 1977-12-21 GB GB53145/77A patent/GB1547736A/en not_active Expired
-
1979
- 1979-03-30 US US06/025,539 patent/US4268887A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| IT1074446B (it) | 1985-04-20 |
| GB1547736A (en) | 1979-06-27 |
| DE2756044A1 (de) | 1978-06-29 |
| US4268887A (en) | 1981-05-19 |
| SE7714425L (sv) | 1978-06-22 |
| FR2375741A1 (fr) | 1978-07-21 |
| SE425200B (sv) | 1982-09-06 |
| US4157513A (en) | 1979-06-05 |
| JPS5378187A (en) | 1978-07-11 |