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 (cs)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE5207/68A SE309327B (cs) 1968-04-18 1968-04-18
NO1511/69A NO121509B (cs) 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 (cs) 1968-04-18 1968-04-18

Publications (1)

Publication Number Publication Date
SE309327B true SE309327B (cs) 1969-03-17

Family

ID=20265928

Family Applications (1)

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

Country Status (5)

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

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 (cs) 1971-03-08
GB1240231A (en) 1971-07-21
DE1918994A1 (de) 1969-11-06
CH489077A (de) 1970-04-15

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