FR2249463A1 - - Google Patents

Info

Publication number
FR2249463A1
FR2249463A1 FR7435491A FR7435491A FR2249463A1 FR 2249463 A1 FR2249463 A1 FR 2249463A1 FR 7435491 A FR7435491 A FR 7435491A FR 7435491 A FR7435491 A FR 7435491A FR 2249463 A1 FR2249463 A1 FR 2249463A1
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.)
Granted
Application number
FR7435491A
Other versions
FR2249463B3 (fr
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 GmbH
Original Assignee
Honeywell GmbH
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 GmbH filed Critical Honeywell GmbH
Publication of FR2249463A1 publication Critical patent/FR2249463A1/fr
Application granted granted Critical
Publication of FR2249463B3 publication Critical patent/FR2249463B3/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H02H5/042—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 temperature dependent resistors
    • 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
    • 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
    • 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
    • H03K17/0814—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit
    • H03K17/08146—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit in bipolar transistor switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Bipolar Transistors (AREA)
  • Amplifiers (AREA)
FR7435491A 1973-10-29 1974-10-22 Expired FR2249463B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732354054 DE2354054B2 (de) 1973-10-29 1973-10-29 Anordnung zum ueberlastungsschutz von transistoren

Publications (2)

Publication Number Publication Date
FR2249463A1 true FR2249463A1 (fr) 1975-05-23
FR2249463B3 FR2249463B3 (fr) 1977-07-29

Family

ID=5896687

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7435491A Expired FR2249463B3 (fr) 1973-10-29 1974-10-22

Country Status (3)

Country Link
DE (1) DE2354054B2 (fr)
FR (1) FR2249463B3 (fr)
GB (1) GB1462446A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2399148A1 (fr) * 1977-07-27 1979-02-23 Honeywell Gmbh Circuit de protection de transistors contre des surcharges
FR2403685A1 (fr) * 1977-09-19 1979-04-13 Rca Corp Amplificateur a limiteur de courant
WO2000024105A1 (fr) * 1998-10-22 2000-04-27 Tyco Electronics Corporation Dispositifs de protection de circuits
US6188556B1 (en) 1998-10-22 2001-02-13 Shukri Souri Two-terminal transistor PTC circuit protection devices

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329726A (en) 1978-12-01 1982-05-11 Raychem Corporation Circuit protection devices comprising PTC elements

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2399148A1 (fr) * 1977-07-27 1979-02-23 Honeywell Gmbh Circuit de protection de transistors contre des surcharges
FR2403685A1 (fr) * 1977-09-19 1979-04-13 Rca Corp Amplificateur a limiteur de courant
WO2000024105A1 (fr) * 1998-10-22 2000-04-27 Tyco Electronics Corporation Dispositifs de protection de circuits
US6181541B1 (en) 1998-10-22 2001-01-30 Shukri Souri Transistor-PTC circuit protection devices
US6188556B1 (en) 1998-10-22 2001-02-13 Shukri Souri Two-terminal transistor PTC circuit protection devices

Also Published As

Publication number Publication date
DE2354054A1 (de) 1975-05-07
FR2249463B3 (fr) 1977-07-29
GB1462446A (en) 1977-01-26
DE2354054B2 (de) 1976-02-19

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