CA1314070C - Soft start solid state switch - Google Patents

Soft start solid state switch

Info

Publication number
CA1314070C
CA1314070C CA000563177A CA563177A CA1314070C CA 1314070 C CA1314070 C CA 1314070C CA 000563177 A CA000563177 A CA 000563177A CA 563177 A CA563177 A CA 563177A CA 1314070 C CA1314070 C CA 1314070C
Authority
CA
Canada
Prior art keywords
terminal
load
coupled
transistor
control terminal
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 - Fee Related
Application number
CA000563177A
Other languages
English (en)
French (fr)
Inventor
Peter John Carlson
Robert George Hodgins
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.)
General Electric Co
Original Assignee
General Electric Co
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
Priority claimed from GB878707636A external-priority patent/GB8707636D0/en
Priority claimed from US07/163,534 external-priority patent/US5015921A/en
Application filed by General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of CA1314070C publication Critical patent/CA1314070C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/02—Switching on, e.g. with predetermined rate of increase of lighting current

Landscapes

  • Electronic Switches (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Dc-Dc Converters (AREA)
CA000563177A 1987-03-31 1988-03-31 Soft start solid state switch Expired - Fee Related CA1314070C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB878707636A GB8707636D0 (en) 1987-03-31 1987-03-31 Switch
GB8707636 1987-03-31
US163,534 1988-03-17
US07/163,534 US5015921A (en) 1988-03-17 1988-03-17 Soft start solid state switch

Publications (1)

Publication Number Publication Date
CA1314070C true CA1314070C (en) 1993-03-02

Family

ID=26292081

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000563177A Expired - Fee Related CA1314070C (en) 1987-03-31 1988-03-31 Soft start solid state switch

Country Status (3)

Country Link
EP (1) EP0285417A3 (de)
JP (1) JPS63308409A (de)
CA (1) CA1314070C (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3839761A1 (de) * 1988-11-25 1990-05-31 Telefunken Electronic Gmbh Schaltung zur steuerung des betriebs einer gluehlampe
US4987348A (en) * 1989-12-15 1991-01-22 North American Philips Corporation Bilevel current limiter
GB2283586A (en) * 1993-10-26 1995-05-10 Brenda Olliver A battery and lamp economising circuit for hazard warning devices
FI991042A7 (fi) 1999-05-06 2001-02-14 Iws Int Oy Ohjauspiiri jännite- ja virtapiikin poistamiseksi
CN101606435B (zh) 2007-02-13 2011-04-13 奥斯兰姆有限公司 用于驱动至少一个发光二极管的发光二极管模块和方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4390812A (en) * 1981-06-25 1983-06-28 Seidler Robert L Regulator and switching circuit for flasher units
US4570108A (en) * 1982-07-06 1986-02-11 Stroede Aake Protection device for electrical incandescent lamps

Also Published As

Publication number Publication date
EP0285417A3 (de) 1989-03-01
JPS63308409A (ja) 1988-12-15
EP0285417A2 (de) 1988-10-05

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Legal Events

Date Code Title Description
MKLA Lapsed