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CA936926A - Overload protection device for emitter-follower line driver - Google Patents

Overload protection device for emitter-follower line driver

Info

Publication number
CA936926A
CA936926A CA083367A CA83367A CA936926A CA 936926 A CA936926 A CA 936926A CA 083367 A CA083367 A CA 083367A CA 83367 A CA83367 A CA 83367A CA 936926 A CA936926 A CA 936926A
Authority
CA
Canada
Prior art keywords
emitter
protection device
line driver
overload protection
follower line
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.)
Expired
Application number
CA083367A
Other languages
English (en)
Inventor
R. Andrews John
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.)
Honeywell Inc
Original Assignee
Honeywell Inc
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.)
Filing date
Publication date
Application filed by Honeywell Inc filed Critical Honeywell Inc
Application granted granted Critical
Publication of CA936926A publication Critical patent/CA936926A/en
Expired legal-status Critical Current

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
    • 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)
  • Electronic Switches (AREA)
  • Logic Circuits (AREA)
  • Amplifiers (AREA)
CA083367A 1969-10-31 1970-05-21 Overload protection device for emitter-follower line driver Expired CA936926A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87282169A 1969-10-31 1969-10-31

Publications (1)

Publication Number Publication Date
CA936926A true CA936926A (en) 1973-11-13

Family

ID=25360367

Family Applications (1)

Application Number Title Priority Date Filing Date
CA083367A Expired CA936926A (en) 1969-10-31 1970-05-21 Overload protection device for emitter-follower line driver

Country Status (6)

Country Link
US (1) US3599042A (nl)
JP (1) JPS513469B1 (nl)
CA (1) CA936926A (nl)
DE (1) DE2053571A1 (nl)
FR (1) FR2065604B1 (nl)
GB (1) GB1304745A (nl)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2040161C3 (de) * 1970-08-12 1974-03-28 Siemens Ag, 1000 Berlin U. 8000 Muenchen Schaltungsanordnung für eine Teilnehmerstelle, die mit der Teilnehmerleitung über eine Steckverbindung lösbar verbunden ist
US3679965A (en) * 1971-02-25 1972-07-25 Pioneer Magnetics Inc Power supply voltage output detector
US3749979A (en) * 1971-09-02 1973-07-31 Steel Corp Electrical discharge suppression circuit
US3751684A (en) * 1972-04-14 1973-08-07 Allen Bradley Co Fault mode detection system
US4005342A (en) * 1973-02-15 1977-01-25 Motorola, Inc. Integrated circuit overvoltage protection circuit
GB1434332A (en) * 1973-02-15 1976-05-05 Motorola Inc Integrated circuit filtering circuit
JPS576806B2 (nl) * 1973-10-05 1982-02-06
US4375073A (en) * 1980-06-16 1983-02-22 Reliance Electric Company Dual-monitoring protection circuit for switching transistor
JPS5765909A (en) * 1980-10-13 1982-04-21 Fujitsu Ltd Line driver circuit having overcurrent protecting function
US4851952A (en) * 1988-04-15 1989-07-25 Ford Motor Company Circuit for prevention of undesired operation in multiple power drivers
GB2236919B (en) * 1989-10-04 1994-03-30 Kone Elevator Gmbh Overload and short-circuit protection circuit
US5091816A (en) * 1989-10-10 1992-02-25 Kone Elevator Gmbh Procedure and device for overload and short-circuit protection of output drivers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1139879B (de) * 1960-05-02 1962-11-22 Licentia Gmbh UEberlastungsschutzeinrichtung fuer Schalttransistoren
US3163829A (en) * 1962-05-10 1964-12-29 Anelex Corp Shortproof emitter follower protective circuit
US3447035A (en) * 1966-07-28 1969-05-27 Westinghouse Electric Corp Circuitry for protecting a push-pull switching driver stage upon occurrence of a short circuit at the output thereof

Also Published As

Publication number Publication date
FR2065604A1 (nl) 1971-07-30
US3599042A (en) 1971-08-10
DE2053571A1 (de) 1971-05-06
FR2065604B1 (nl) 1974-12-20
GB1304745A (nl) 1973-01-31
JPS513469B1 (nl) 1976-02-03

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