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CH489077A - Feeding device for electric lamps - Google Patents

Feeding device for electric lamps

Info

Publication number
CH489077A
CH489077A CH592069A CH592069A CH489077A CH 489077 A CH489077 A CH 489077A CH 592069 A CH592069 A CH 592069A CH 592069 A CH592069 A CH 592069A CH 489077 A CH489077 A CH 489077A
Authority
CH
Switzerland
Prior art keywords
feeding device
electric lamps
lamps
electric
feeding
Prior art date
Application number
CH592069A
Other languages
German (de)
Inventor
Erik Skagerlund Lars
Original Assignee
Bofors Ab
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 Bofors Ab filed Critical Bofors Ab
Publication of CH489077A publication Critical patent/CH489077A/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0017—Visual time or date indication means in which the light emitting display elements may be activated at will or are controlled in accordance with the ambient light
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/155—Coordinated control of two or more light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
CH592069A 1968-04-18 1969-04-18 Feeding device for electric lamps CH489077A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE5207/68A SE309327B (en) 1968-04-18 1968-04-18

Publications (1)

Publication Number Publication Date
CH489077A true CH489077A (en) 1970-04-15

Family

ID=20265928

Family Applications (1)

Application Number Title Priority Date Filing Date
CH592069A CH489077A (en) 1968-04-18 1969-04-18 Feeding device for electric lamps

Country Status (5)

Country Link
CH (1) CH489077A (en)
DE (1) DE1918994A1 (en)
GB (1) GB1240231A (en)
NO (1) NO121509B (en)
SE (1) SE309327B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2240105C3 (en) * 1972-08-16 1983-04-07 Norddeutsche Mende Rundfunk Kg, 2800 Bremen Circuit arrangement for an illuminated display with a structure similar to a thermometer scale
DE3011126C2 (en) * 1980-03-22 1984-08-30 Hartmann & Braun Ag, 6000 Frankfurt Circuit arrangement for supplying several controllable display elements in a row
DE3605658C3 (en) * 1986-02-21 1997-12-04 Diehl Gmbh & Co Electronic switching device
FR2602115B1 (en) * 1986-07-24 1988-10-28 Estival Herve DEVICE FOR THE PARTICULAR CONNECTION OF INCANDESCENT LAMPS
DE3632741A1 (en) * 1986-09-26 1988-03-31 Stahl R Schaltgeraete Gmbh Explosion-protected display arrangement

Also Published As

Publication number Publication date
SE309327B (en) 1969-03-17
GB1240231A (en) 1971-07-21
NO121509B (en) 1971-03-08
DE1918994A1 (en) 1969-11-06

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Legal Events

Date Code Title Description
PL Patent ceased