GB1438134A - Electric incandescent lamp installations - Google Patents

Electric incandescent lamp installations

Info

Publication number
GB1438134A
GB1438134A GB4435673A GB4435673A GB1438134A GB 1438134 A GB1438134 A GB 1438134A GB 4435673 A GB4435673 A GB 4435673A GB 4435673 A GB4435673 A GB 4435673A GB 1438134 A GB1438134 A GB 1438134A
Authority
GB
United Kingdom
Prior art keywords
filaments
timing device
filament
lamp
contacts
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
Application number
GB4435673A
Other languages
English (en)
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of GB1438134A publication Critical patent/GB1438134A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/095—Traffic lights
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
    • H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
GB4435673A 1972-09-25 1973-09-21 Electric incandescent lamp installations Expired GB1438134A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722246914 DE2246914C3 (de) 1972-09-25 1972-09-25 Lichtsignalgeber-Einrichtung, vorzugsweise für eine Straßenverkehrssignalanlage

Publications (1)

Publication Number Publication Date
GB1438134A true GB1438134A (en) 1976-06-03

Family

ID=5857270

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4435673A Expired GB1438134A (en) 1972-09-25 1973-09-21 Electric incandescent lamp installations

Country Status (5)

Country Link
BE (1) BE805268A (sv)
CH (1) CH580336A5 (sv)
DE (1) DE2246914C3 (sv)
GB (1) GB1438134A (sv)
NL (1) NL7313067A (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5680098A (en) * 1995-09-27 1997-10-21 Ford Motor Company Circuit for compensating for failure of a light source in an automotive vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2634339B1 (fr) * 1988-07-13 1995-09-01 Guillot Francis Lanterne de signalisation routiere auto-regulee

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5680098A (en) * 1995-09-27 1997-10-21 Ford Motor Company Circuit for compensating for failure of a light source in an automotive vehicle

Also Published As

Publication number Publication date
DE2246914B2 (de) 1978-02-02
NL7313067A (sv) 1974-03-27
DE2246914A1 (de) 1974-04-11
CH580336A5 (sv) 1976-09-30
DE2246914C3 (de) 1978-11-02
BE805268A (fr) 1974-01-16

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee