SE8000492L - Overstromskyddskrets for effekttransistorer - Google Patents

Overstromskyddskrets for effekttransistorer

Info

Publication number: SE8000492L
Authority: SE; Sweden
Prior art keywords: power transistor; overcurrency; circuit; power transistors; power
Prior art date: 1979-01-29

Application number

SE8000492A

Other languages

Unknown language ( )

English (en)

Other versions

SE441881B (sv

Inventor

L A Kaplan

Original Assignee

Rca 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.)

1979-01-29

Filing date

1980-01-22

Publication date

1980-07-30

1980-01-22 Application filed by Rca Corp filed Critical Rca Corp

1980-07-30 Publication of SE8000492L publication Critical patent/SE8000492L/sv

1985-11-11 Publication of SE441881B publication Critical patent/SE441881B/sv

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
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- 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

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Amplifiers (AREA)
Protection Of Static Devices (AREA)
Emergency Protection Circuit Devices (AREA)
Dc-Dc Converters (AREA)

SE8000492A 1979-01-29 1980-01-22 Elektronisk overstromsskyddskrets SE441881B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/007,499 US4225897A (en)	1979-01-29	1979-01-29	Overcurrent protection circuit for power transistor

Publications (2)

Publication Number	Publication Date
SE8000492L true SE8000492L (sv)	1980-07-30
SE441881B SE441881B (sv)	1985-11-11

Family

ID=21726554

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8000492A SE441881B (sv)	1979-01-29	1980-01-22	Elektronisk overstromsskyddskrets

Country Status (13)

Country	Link
US (1)	US4225897A (sv)
JP (1)	JPS55102911A (sv)
KR (1)	KR830001456B1 (sv)
AT (1)	AT392375B (sv)
AU (1)	AU527758B2 (sv)
DE (1)	DE3003123A1 (sv)
ES (1)	ES8204565A1 (sv)
FI (1)	FI73548C (sv)
FR (1)	FR2447629B1 (sv)
GB (1)	GB2042297B (sv)
IT (1)	IT1130234B (sv)
NZ (1)	NZ192727A (sv)
SE (1)	SE441881B (sv)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS57124909A (en) *	1981-01-27	1982-08-04	Toshiba Corp	Output transistor protection circuit
US4321648A (en) *	1981-02-25	1982-03-23	Rca Corporation	Over-current protection circuits for power transistors
US4481553A (en) *	1982-04-05	1984-11-06	General Electric Company	Protection circuit
DE3238880A1 (de) *	1982-10-21	1984-04-26	Robert Bosch Gmbh, 7000 Stuttgart	Schaltungsanordnung
JPH0630543B2 (ja) *	1987-01-13	1994-04-20	株式会社東芝	出力回路の異常検出報知回路
JPS63268432A (ja) *	1987-04-27	1988-11-07	Mitsubishi Electric Corp	短絡保護回路
US5061902A (en) *	1990-10-03	1991-10-29	International Business Machines Corp.	Linear amplifier
IT1244209B (it) *	1990-12-20	1994-07-08	Sgs Thomson Microelectronics	Circuito di controllo di caratteristiche tensione/corrente particolarmente per la protezione di transistori di potenza
US5485341A (en) *	1992-09-21	1996-01-16	Kabushiki Kaisha Toshiba	Power transistor overcurrent protection circuit
EP0782236A1 (en) *	1995-12-29	1997-07-02	Co.Ri.M.Me. Consorzio Per La Ricerca Sulla Microelettronica Nel Mezzogiorno	Circuit for the protection against overcurrents in power electronic devices, and corresponding method
DE10128772B4 (de) *	2001-06-13	2009-10-15	Infineon Technologies Ag	Verfahren und Vorrichtung zur Einschaltstrombegrenzung in Gegentaktverstärkerendstufen
CN102497093A (zh) *	2011-11-11	2012-06-13	无锡华润上华科技有限公司	一种应用于功率因数校正器中的输出过压保护电路
US20170134017A1 (en) *	2013-11-26	2017-05-11	Powerbyproxi Limited	Overcurrent protection circuit
WO2020143934A1 (en)	2019-01-10	2020-07-16	Telefonaktiebolaget Lm Ericsson (Publ)	Bias circuit and power amplifier circuit
CN115702550A (zh)	2020-06-22	2023-02-14	瑞典爱立信有限公司	发射机电路

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1265157A (sv) *	1968-09-27	1972-03-01
GB1467057A (en) *	1973-05-24	1977-03-16	Rca Corp	Amplifier with over-current protection
US3938008A (en) *	1974-09-18	1976-02-10	International Business Machines Corporation	Common bus driver complementary protect circuit
US3924159A (en) *	1974-10-04	1975-12-02	Rca Corp	Amplifier protection system
US4063149A (en) *	1975-02-24	1977-12-13	Rca Corporation	Current regulating circuits
GB1506881A (en) *	1975-02-24	1978-04-12	Rca Corp	Current divider
GB1537484A (en) *	1976-01-27	1978-12-29	Rca Corp	Transistor amplifier with over-current prevention circuitry
US4021701A (en) *	1975-12-08	1977-05-03	Motorola, Inc.	Transistor protection circuit
US4078207A (en) *	1977-01-07	1978-03-07	Rca Corporation	Push-pull transistor amplifier with driver circuitry providing over-current protection
US4122401A (en) *	1977-07-14	1978-10-24	National Semiconductor Corporation	High efficiency power amplifier circuit

1979
- 1979-01-29 US US06/007,499 patent/US4225897A/en not_active Expired - Lifetime
1980
- 1980-01-22 SE SE8000492A patent/SE441881B/sv not_active IP Right Cessation
- 1980-01-22 GB GB8002119A patent/GB2042297B/en not_active Expired
- 1980-01-22 AU AU54814/80A patent/AU527758B2/en not_active Ceased
- 1980-01-22 FI FI800176A patent/FI73548C/sv not_active IP Right Cessation
- 1980-01-25 IT IT19490/80A patent/IT1130234B/it active
- 1980-01-28 KR KR1019800000303A patent/KR830001456B1/ko not_active Expired
- 1980-01-28 JP JP924380A patent/JPS55102911A/ja active Granted
- 1980-01-28 NZ NZ192727A patent/NZ192727A/xx unknown
- 1980-01-28 AT AT445/80A patent/AT392375B/de not_active IP Right Cessation
- 1980-01-29 FR FR8001871A patent/FR2447629B1/fr not_active Expired
- 1980-01-29 DE DE19803003123 patent/DE3003123A1/de active Granted
- 1980-01-31 ES ES488056A patent/ES8204565A1/es not_active Expired

Also Published As

Publication number	Publication date
US4225897A (en)	1980-09-30
JPS55102911A (en)	1980-08-06
SE441881B (sv)	1985-11-11
DE3003123C2 (sv)	1987-07-09
FI73548C (sv)	1987-10-09
NZ192727A (en)	1983-03-15
AT392375B (de)	1991-03-25
ES488056A0 (es)	1982-04-01
AU527758B2 (en)	1983-03-24
GB2042297B (en)	1983-03-23
FR2447629A1 (fr)	1980-08-22
ATA44580A (de)	1990-08-15
KR830001456B1 (ko)	1983-07-29
ES8204565A1 (es)	1982-04-01
JPS6260847B2 (sv)	1987-12-18
KR830002446A (ko)	1983-05-28
FR2447629B1 (fr)	1985-10-04
DE3003123A1 (de)	1980-08-07
FI73548B (fi)	1987-06-30
FI800176A7 (fi)	1980-07-30
AU5481480A (en)	1980-08-07
IT1130234B (it)	1986-06-11
GB2042297A (en)	1980-09-17
IT8019490A0 (it)	1980-01-25

Publication	Publication Date	Title
SE8000492L (sv)	1980-07-30	Overstromskyddskrets for effekttransistorer
SE7603902L (sv)	1976-10-02	Aktiv symmetrisk komponentkrets for skyddsreleer
JPS5242386A (en)	1977-04-01	Semiconducteor device
JPS5330852A (en)	1978-03-23	Differential amplifier circuit
SE9604101D0 (sv)	1996-11-08	Anordning för att skydda sluttransistorerna i en effektförstärkare
SE7811747L (sv)	1979-05-17	Differentialforsterkare med mos-felteffekttransistorer
SE8404228D0 (sv)	1984-08-24	Telefonkrets
ES8600591A1 (es)	1985-10-16	Perfeccionamientos en los circuitos telefonicos
JPS5347953A (en)	1978-04-28	Reference voltage circuit
GB2020504A (en)	1979-11-14	Transistor protection circuits
JPS5320554A (en)	1978-02-24	Constant current circuit
BR7707288A (pt)	1978-07-25	Acoplamento de protecao contra sobrecarga e eixo tendo pelo menos uma junta universal
JPS5370424A (en)	1978-06-22	Speaker protecting circuit
SE7804831L (sv)	1978-11-07	Transformator med uttag, stegkopplingsanordning och spenningsberoende motstand
JPS522235A (en)	1977-01-08	Push-pull circuit
JPS52357A (en)	1977-01-05	Low-voltage reference voltage source circuit
JPS52107554A (en)	1977-09-09	Constant current source circuit
JPS5582514A (en)	1980-06-21	Protection circuit for power amplifier
JPS5465355A (en)	1979-05-25	Constant current circuit
JPS5381170A (en)	1978-07-18	Battery checker
JPS52125735A (en)	1977-10-21	Transistor protective circuit
JPS52149449A (en)	1977-12-12	Sensing circuit
JPS51135449A (en)	1976-11-24	Bias-circuit of transistor
BE597387A (fr)	1961-03-15	Dispositif de protection contre l'échauffement excessif des enroulements et destiné en particulier aux petits moteurs monophasés.
GB2012139A (en)	1979-07-18	Protection circuit

Legal Events

Date	Code	Title	Description
1995-01-31	NUG	Patent has lapsed	Ref document number: 8000492-2 Effective date: 19920806 Format of ref document f/p: F

Date

Code

Title

Description

1995-01-31

NUG

Patent has lapsed

Ref document number: 8000492-2

Effective date: 19920806

Format of ref document f/p: F