CA1033004A - Parallel transistor protection circuit - Google Patents

Parallel transistor protection circuit

Info

Publication number: CA1033004A
Authority: CA; Canada
Prior art keywords: protection circuit; parallel transistor; transistor protection; parallel; circuit
Prior art date: 1974-09-25
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

Application number

CA235,211A

Other languages

English (en)

French (fr)

Inventor

Robert H. Fasulkey

Vaughn L. Quidort

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

CBS Corp

Original Assignee

Westinghouse Electric Corp

Priority date (The priority date 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 date listed.)

1974-09-25

Filing date

1975-09-11

Publication date

1978-06-13

1975-09-11 Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp

1978-06-13 Application granted granted Critical

1978-06-13 Publication of CA1033004A publication Critical patent/CA1033004A/en

Status Expired legal-status Critical Current

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
- H03K17/081—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
- H03K17/08126—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 bipolar transitor switches

CA235,211A 1974-09-25 1975-09-11 Parallel transistor protection circuit Expired CA1033004A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/509,175 US4020397A (en)	1974-09-25	1974-09-25	Parallel transistor protection circuit

Publications (1)

Publication Number	Publication Date
CA1033004A true CA1033004A (en)	1978-06-13

Family

ID=24025619

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA235,211A Expired CA1033004A (en)	1974-09-25	1975-09-11	Parallel transistor protection circuit

Country Status (8)

Country	Link
US (1)	US4020397A (nl)
JP (1)	JPS5444586B2 (nl)
BE (1)	BE833749A (nl)
CA (1)	CA1033004A (nl)
DE (1)	DE2541817A1 (nl)
FR (1)	FR2286555A1 (nl)
GB (1)	GB1476611A (nl)
NL (1)	NL7510324A (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS53140344U (nl) *	1977-04-13	1978-11-06
US4675770A (en) *	1985-01-30	1987-06-23	Telefonaktiebolaget L. M. Ericsson	Multiple voltage regulator integrated circuit having control circuits for selectively disabling a voltage regulator in an over-current condition
DE10155100A1 (de) *	2001-11-09	2003-05-28	Infineon Technologies Ag	Schaltung zum Schutz eines Bipolar-Transistors vor thermischer Zerstörung
EP1727203A1 (en) *	2005-05-24	2006-11-29	STMicroelectronics S.r.l.	Monolithically integrated power IGBT device (Insulated Gate Bipolar Transistor)
JP5894020B2 (ja) *	2012-06-25	2016-03-23	日本無線株式会社	バイアス保護回路及び増幅装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2972096A (en) *	1957-11-26	1961-02-14	Smith Corp A O	Protection of a temperature sensitive device
US3017558A (en) *	1958-10-27	1962-01-16	Chase Shawmut Co	Semiconductor rectifiers
GB1114928A (en) *	1964-10-14	1968-05-22	Lucas Industries Ltd	Transistor circuits
US3588538A (en) *	1968-01-26	1971-06-28	Us Army	Electronic switch
US3604885A (en) *	1968-07-05	1971-09-14	Inoue K	Edm power supply for generating self-adaptive discharge pulses
AU466670B2 (en) *	1970-07-30	1975-11-06	Australian Telecommunications Commission	Control of operation of a system
US3705968A (en) *	1971-06-25	1972-12-12	Elox Inc	Multiple gap electrical discharge machining circuit
US3735318A (en) *	1971-11-04	1973-05-22	Mallory & Co Inc P R	Fusing resistor
US3751622A (en) *	1972-01-17	1973-08-07	Colt Ind Operating Corp	Protection circuit for electrical discharge machining power supply apparatus
US3766508A (en) *	1972-07-03	1973-10-16	Matsushita Electric Ind Co Ltd	Flame-proof coated resistors
US3832606A (en) *	1973-02-15	1974-08-27	Gen Motors Corp	Semiconductor diode package with protection fuse
US3878437A (en) *	1973-03-28	1975-04-15	Seymour Cuker	Power output circuit for electrical discharge machining apparatus

1974
- 1974-09-25 US US05/509,175 patent/US4020397A/en not_active Expired - Lifetime
1975
- 1975-09-02 NL NL7510324A patent/NL7510324A/nl not_active Application Discontinuation
- 1975-09-11 CA CA235,211A patent/CA1033004A/en not_active Expired
- 1975-09-15 GB GB3780375A patent/GB1476611A/en not_active Expired
- 1975-09-19 DE DE19752541817 patent/DE2541817A1/de not_active Withdrawn
- 1975-09-24 BE BE160313A patent/BE833749A/xx not_active IP Right Cessation
- 1975-09-25 FR FR7529417A patent/FR2286555A1/fr active Granted
- 1975-09-25 JP JP11493975A patent/JPS5444586B2/ja not_active Expired

Also Published As

Publication number	Publication date
NL7510324A (nl)	1976-03-29
DE2541817A1 (de)	1976-04-15
BE833749A (fr)	1976-03-24
US4020397A (en)	1977-04-26
GB1476611A (en)	1977-06-16
JPS5160141A (nl)	1976-05-25
JPS5444586B2 (nl)	1979-12-26
FR2286555B1 (nl)	1980-04-04
FR2286555A1 (fr)	1976-04-23

Publication	Publication Date	Title
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CA1031043A (en)	1978-05-09	Transistor biasing circuit
CA1033004A (en)	1978-06-13	Parallel transistor protection circuit
CA1028739A (en)	1978-03-28	Circuit breaker
CA1016664A (en)	1977-08-30	Semiconductor device
AU7997175A (en)	1976-10-14	Circuit breakers
CA1034626A (en)	1978-07-11	Circuit breaker
AU492339B2 (en)	1977-05-12	Parallel transistor protection circuit
AU478196B2 (en)	1976-07-29	High voltage protection circuit
AU478177B2 (en)	1976-07-29	High voltage protection circuit
AU484322B2 (en)	1976-07-15	Composite transistor circuit