BE880925A - Circuit de commutation sensible a la frequence - Google Patents

Circuit de commutation sensible a la frequence

Info

Publication number
BE880925A
BE880925A BE2/58305A BE2058305A BE880925A BE 880925 A BE880925 A BE 880925A BE 2/58305 A BE2/58305 A BE 2/58305A BE 2058305 A BE2058305 A BE 2058305A BE 880925 A BE880925 A BE 880925A
Authority
BE
Belgium
Prior art keywords
switching circuit
frequency sensitive
sensitive switching
frequency
circuit
Prior art date
Application number
BE2/58305A
Other languages
English (en)
Inventor
J L Plumb
Original Assignee
Gte Sylvania 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 Gte Sylvania Inc filed Critical Gte Sylvania Inc
Publication of BE880925A publication Critical patent/BE880925A/fr

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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
BE2/58305A 1978-12-29 1979-12-28 Circuit de commutation sensible a la frequence BE880925A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/974,300 US4229681A (en) 1978-12-29 1978-12-29 Frequency/sensitive switching circuit

Publications (1)

Publication Number Publication Date
BE880925A true BE880925A (fr) 1980-04-16

Family

ID=25521869

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/58305A BE880925A (fr) 1978-12-29 1979-12-28 Circuit de commutation sensible a la frequence

Country Status (7)

Country Link
US (1) US4229681A (fr)
JP (1) JPS5592549A (fr)
BE (1) BE880925A (fr)
CA (1) CA1133583A (fr)
DE (1) DE2952584A1 (fr)
GB (1) GB2039450B (fr)
NL (1) NL7909341A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0060458A3 (fr) * 1981-03-16 1983-08-03 Koch Elektronik + Apparatebau AG Equipement pour régler la luminosité d'une lampe à fluorescence
US4755792A (en) * 1985-06-13 1988-07-05 Black & Decker Inc. Security control system
US4885507A (en) * 1987-07-21 1989-12-05 Ham Byung I Electronic starter combined with the L-C ballast of a fluorescent lamp
DE3815250A1 (de) * 1988-05-05 1989-11-09 Munch Paul Jean Duschtrennwand
US5047691A (en) * 1989-11-29 1991-09-10 Gte Products Corporation High-pass t-networks with integral transformer for gaseous discharge lamps
DE4205517C2 (de) * 1992-02-24 1994-02-17 Norbert H L Dr Ing Koster Stromflußgesteuerte Schaltvorrichtung
IT1298256B1 (it) * 1998-02-17 1999-12-20 Sgs Thomson Microelectronics Dispositivo elettronico per cancellare un picco di corrente di carica in stadi rlc di uscita di regolatori switching step-up
KR101630093B1 (ko) * 2014-12-29 2016-06-13 주식회사 효성 고전압 ｄｃ 차단기

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3473101A (en) * 1968-08-13 1969-10-14 Sprague Electric Co Proportional firing circuit
US3644755A (en) * 1969-04-21 1972-02-22 Texas Instruments Inc Power control system
US3971010A (en) * 1974-05-28 1976-07-20 Ff & L Industries, Inc. Ballasted load control system and method
US4169259A (en) * 1978-06-05 1979-09-25 Gte Sylvania Incorporated Frequency sensitive switching circuit

Also Published As

Publication number Publication date
GB2039450B (en) 1983-01-26
GB2039450A (en) 1980-08-06
JPS5592549A (en) 1980-07-14
NL7909341A (nl) 1980-07-01
DE2952584C2 (fr) 1988-08-25
CA1133583A (fr) 1982-10-12
DE2952584A1 (de) 1980-07-10
US4229681A (en) 1980-10-21

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GTE SYLVANIA INC.

Effective date: 19881231