GB1492904A - Motor vehicle headlamp having an adjustable light beam - Google Patents

Motor vehicle headlamp having an adjustable light beam

Info

Publication number
GB1492904A
GB1492904A GB22119/75A GB2211975A GB1492904A GB 1492904 A GB1492904 A GB 1492904A GB 22119/75 A GB22119/75 A GB 22119/75A GB 2211975 A GB2211975 A GB 2211975A GB 1492904 A GB1492904 A GB 1492904A
Authority
GB
United Kingdom
Prior art keywords
filament
vehicle headlamp
reflector
focus
light beam
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
GB22119/75A
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.)
Ducellier et Cie
Original Assignee
Ducellier et Cie
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 Ducellier et Cie filed Critical Ducellier et Cie
Publication of GB1492904A publication Critical patent/GB1492904A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/657—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by moving light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
GB22119/75A 1974-05-29 1975-05-22 Motor vehicle headlamp having an adjustable light beam Expired GB1492904A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7418598A FR2272861B2 (cs) 1974-05-29 1974-05-29

Publications (1)

Publication Number Publication Date
GB1492904A true GB1492904A (en) 1977-11-23

Family

ID=9139397

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22119/75A Expired GB1492904A (en) 1974-05-29 1975-05-22 Motor vehicle headlamp having an adjustable light beam

Country Status (7)

Country Link
BE (1) BE828626R (cs)
DE (1) DE2523714A1 (cs)
ES (1) ES438029A2 (cs)
FR (1) FR2272861B2 (cs)
GB (1) GB1492904A (cs)
IT (1) IT1046574B (cs)
NL (1) NL7505610A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2131937A (en) * 1982-10-22 1984-06-27 Tsuyama Mfg Co Ltd Headlamp suitable for bicycles etc

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5856999A (ja) * 1981-09-30 1983-04-04 東芝ライテック株式会社 標識灯

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2131937A (en) * 1982-10-22 1984-06-27 Tsuyama Mfg Co Ltd Headlamp suitable for bicycles etc

Also Published As

Publication number Publication date
NL7505610A (nl) 1975-12-02
DE2523714A1 (de) 1975-12-11
BE828626R (fr) 1975-08-18
FR2272861A2 (cs) 1975-12-26
IT1046574B (it) 1980-07-31
ES438029A2 (es) 1977-04-01
FR2272861B2 (cs) 1977-09-30

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Legal Events

Date Code Title Description
PS Patent sealed