IT1130234B - Circuito per la protezione di un transistore di potenza da correnti di livello eccessivo - Google Patents

Circuito per la protezione di un transistore di potenza da correnti di livello eccessivo

Info

Publication number: IT1130234B
Authority: IT; Italy
Prior art keywords: protection; circuit; power transistor; excessive level; level currents
Prior art date: 1979-01-29

Application number

IT19490/80A

Other languages

English (en)

Other versions

IT8019490A0 (it

Inventor

Leonard Abraham 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

1980-01-25

Publication date

1986-06-11

1980-01-25 Application filed by Rca Corp filed Critical Rca Corp

1980-01-25 Publication of IT8019490A0 publication Critical patent/IT8019490A0/it

1986-06-11 Application granted granted Critical

1986-06-11 Publication of IT1130234B publication Critical patent/IT1130234B/it

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
- H03F1/34—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)
Emergency Protection Circuit Devices (AREA)
Protection Of Static Devices (AREA)
Dc-Dc Converters (AREA)

IT19490/80A 1979-01-29 1980-01-25 Circuito per la protezione di un transistore di potenza da correnti di livello eccessivo IT1130234B (it)

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
IT8019490A0 IT8019490A0 (it)	1980-01-25
IT1130234B true IT1130234B (it)	1986-06-11

Family

ID=21726554

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT19490/80A IT1130234B (it)	1979-01-29	1980-01-25	Circuito per la protezione di un transistore di potenza da correnti di livello eccessivo

Country Status (13)

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

Families Citing this family (13)

* 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
WO2015080599A1 (en) *	2013-11-26	2015-06-04	Powerbyproxi Limited	Overcurrent protection circuit
CN113273079B (zh) *	2019-01-10	2024-03-22	瑞典爱立信有限公司	偏置电路和功率放大器电路

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1265157A (it) *	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
GB1537484A (en) *	1976-01-27	1978-12-29	Rca Corp	Transistor amplifier with over-current prevention circuitry
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
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 GB GB8002119A patent/GB2042297B/en not_active Expired
- 1980-01-22 SE SE8000492A patent/SE441881B/sv not_active IP Right Cessation
- 1980-01-22 FI FI800176A patent/FI73548C/fi not_active IP Right Cessation
- 1980-01-22 AU AU54814/80A patent/AU527758B2/en not_active Ceased
- 1980-01-25 IT IT19490/80A patent/IT1130234B/it active
- 1980-01-28 KR KR1019800000303A patent/KR830001456B1/ko active
- 1980-01-28 NZ NZ192727A patent/NZ192727A/xx unknown
- 1980-01-28 AT AT445/80A patent/AT392375B/de not_active IP Right Cessation
- 1980-01-28 JP JP924380A patent/JPS55102911A/ja active Granted
- 1980-01-29 DE DE19803003123 patent/DE3003123A1/de active Granted
- 1980-01-29 FR FR8001871A patent/FR2447629B1/fr not_active Expired
- 1980-01-31 ES ES488056A patent/ES8204565A1/es not_active Expired

Also Published As

Publication number	Publication date
DE3003123A1 (de)	1980-08-07
GB2042297A (en)	1980-09-17
FI73548C (fi)	1987-10-09
DE3003123C2 (it)	1987-07-09
ES488056A0 (es)	1982-04-01
NZ192727A (en)	1983-03-15
FI800176A (fi)	1980-07-30
AT392375B (de)	1991-03-25
AU5481480A (en)	1980-08-07
US4225897A (en)	1980-09-30
SE8000492L (sv)	1980-07-30
IT8019490A0 (it)	1980-01-25
AU527758B2 (en)	1983-03-24
JPS6260847B2 (it)	1987-12-18
KR830002446A (ko)	1983-05-28
SE441881B (sv)	1985-11-11
ES8204565A1 (es)	1982-04-01
KR830001456B1 (ko)	1983-07-29
ATA44580A (de)	1990-08-15
JPS55102911A (en)	1980-08-06
GB2042297B (en)	1983-03-23
FR2447629A1 (fr)	1980-08-22
FI73548B (fi)	1987-06-30
FR2447629B1 (fr)	1985-10-04

Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19960127

Publication	Publication Date	Title
IT1150338B (it)	1986-12-10	Circuito di protezione integrato
IT1194898B (it)	1988-09-28	Interruttore di circuito di limitazione di corrente
IT8022889A0 (it)	1980-06-20	Circuito generatore di tensioni diriferimento.
MX145705A (es)	1982-03-24	Interruptor de circuito mejorado
AR232057A1 (es)	1985-04-30	Interruptor de circuito
AR230347A1 (es)	1984-03-01	Interruptor de circuito
IT1130234B (it)	1986-06-11	Circuito per la protezione di un transistore di potenza da correnti di livello eccessivo
IT7823300A0 (it)	1978-05-11	Circuito di protezione dell'alta tensione per ricevitori televisivi.
IT1122055B (it)	1986-04-23	Circuito di protezione
IT1112823B (it)	1986-01-20	Circuito di linearizzazione
IT1136756B (it)	1986-09-03	Circuito per la protezione di transisitori
BR8102499A (pt)	1982-01-05	Disjuntor de circuito
IT1071553B (it)	1985-04-10	Circuito di regolazione
IT8224492A0 (it)	1982-11-29	Circuito di protezione da sovraccarichi.
IT1110039B (it)	1985-12-23	Circuito di deflessione stabilizzato
AR229114A1 (es)	1983-06-15	Disposicion de interruptor de circuito
IT1110167B (it)	1985-12-23	Circuito integrato semiconduttore
BR8004593A (pt)	1981-02-03	Disjuntor de circuito
IT7829741A0 (it)	1978-11-14	Circuito limitatore di dissipazione di potenza.
IT1193181B (it)	1988-06-02	Circuito di deflessione
IT1080833B (it)	1985-05-16	Circuito di protezione per alimentatori di potenza
IT7809339A0 (it)	1978-02-07	Circuito di protezione elettricoperfezionato
IT7923235A0 (it)	1979-06-04	Dispositivo di protezione contro il sovraccarico di un circuito.
IT1101161B (it)	1985-09-28	Complesso di circuito televisivo
IT1080831B (it)	1985-05-16	Interruttore di circuito