SE309327B - - Google Patents

Info

Publication number
SE309327B
SE309327B SE5207/68A SE520768A SE309327B SE 309327 B SE309327 B SE 309327B SE 5207/68 A SE5207/68 A SE 5207/68A SE 520768 A SE520768 A SE 520768A SE 309327 B SE309327 B SE 309327B
Authority
SE
Sweden
Prior art keywords
lamps
april
transistor
current device
constant current
Prior art date
Application number
SE5207/68A
Other languages
English (en)
Inventor
L Skagerlund
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
Priority to SE5207/68A priority Critical patent/SE309327B/xx
Publication of SE309327B publication Critical patent/SE309327B/xx
Priority to NO1511/69A priority patent/NO121509B/no
Priority to DE19691918994 priority patent/DE1918994A1/de
Priority to CH592069A priority patent/CH489077A/de
Priority to GB20046/69A priority patent/GB1240231A/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)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
SE5207/68A 1968-04-18 1968-04-18 SE309327B (en, 2012)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE5207/68A SE309327B (en, 2012) 1968-04-18 1968-04-18
NO1511/69A NO121509B (en, 2012) 1968-04-18 1969-04-14
DE19691918994 DE1918994A1 (de) 1968-04-18 1969-04-15 Stromzufuehrungsvorrichtung fuer elektrische Lampen
CH592069A CH489077A (de) 1968-04-18 1969-04-18 Speiseeinrichtung für elektrische Lampen
GB20046/69A GB1240231A (en) 1968-04-18 1969-04-18 Current feed device for electric lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE5207/68A SE309327B (en, 2012) 1968-04-18 1968-04-18

Publications (1)

Publication Number Publication Date
SE309327B true SE309327B (en, 2012) 1969-03-17

Family

ID=20265928

Family Applications (1)

Application Number Title Priority Date Filing Date
SE5207/68A SE309327B (en, 2012) 1968-04-18 1968-04-18

Country Status (5)

Country Link
CH (1) CH489077A (en, 2012)
DE (1) DE1918994A1 (en, 2012)
GB (1) GB1240231A (en, 2012)
NO (1) NO121509B (en, 2012)
SE (1) SE309327B (en, 2012)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2240105C3 (de) * 1972-08-16 1983-04-07 Norddeutsche Mende Rundfunk Kg, 2800 Bremen Schaltungsanordnung für eine Leuchtanzeige mit einem thermometerskalenähnlichen Aufbau
DE3011126C2 (de) * 1980-03-22 1984-08-30 Hartmann & Braun Ag, 6000 Frankfurt Schaltungsanordnung zur Speisung mehrerer in Reihe liegender steuerbarer Anzeigeelemente
DE3605658C3 (de) * 1986-02-21 1997-12-04 Diehl Gmbh & Co Elektronisches Schaltgerät
FR2602115B1 (fr) * 1986-07-24 1988-10-28 Estival Herve Dispositif de branchement particulier de lampes a incandescence
DE3632741A1 (de) * 1986-09-26 1988-03-31 Stahl R Schaltgeraete Gmbh Explosionsgeschuetzte anzeigeeinrichtung

Also Published As

Publication number Publication date
NO121509B (en, 2012) 1971-03-08
DE1918994A1 (de) 1969-11-06
GB1240231A (en) 1971-07-21
CH489077A (de) 1970-04-15

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