GB1390591A - Dipped beam headlamps - Google Patents

Dipped beam headlamps

Info

Publication number
GB1390591A
GB1390591A GB571973A GB571973A GB1390591A GB 1390591 A GB1390591 A GB 1390591A GB 571973 A GB571973 A GB 571973A GB 571973 A GB571973 A GB 571973A GB 1390591 A GB1390591 A GB 1390591A
Authority
GB
United Kingdom
Prior art keywords
filament
portions
pair
foci
feb
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
GB571973A
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.)
Westfaelische Metall Industrie KG Hueck and Co
Original Assignee
Westfaelische Metall Industrie KG Hueck and Co
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 Westfaelische Metall Industrie KG Hueck and Co filed Critical Westfaelische Metall Industrie KG Hueck and Co
Publication of GB1390591A publication Critical patent/GB1390591A/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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
GB571973A 1972-02-07 1973-02-06 Dipped beam headlamps Expired GB1390591A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2205611A DE2205611A1 (de) 1972-02-07 1972-02-07 Abgeblendeter fahrzeugscheinwerfer

Publications (1)

Publication Number Publication Date
GB1390591A true GB1390591A (en) 1975-04-16

Family

ID=5835220

Family Applications (1)

Application Number Title Priority Date Filing Date
GB571973A Expired GB1390591A (en) 1972-02-07 1973-02-06 Dipped beam headlamps

Country Status (4)

Country Link
DE (1) DE2205611A1 (enrdf_load_stackoverflow)
FR (1) FR2171273B1 (enrdf_load_stackoverflow)
GB (1) GB1390591A (enrdf_load_stackoverflow)
IT (1) IT976283B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000266A (en) * 1977-06-17 1979-01-04 Lucas Industries Ltd Lamp reflector for a motor vehicle

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3531223A1 (de) * 1985-08-31 1987-03-05 Bosch Gmbh Robert Scheinwerfer, insbesondere rechteckscheinwerfer, fuer abblendlicht von kraftfahrzeugen
DE3930746A1 (de) * 1989-09-14 1991-03-28 Hella Kg Hueck & Co Scheinwerfer, insbesondere fuer kraftfahrzeuge

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB231613A (en) * 1924-01-23 1925-04-09 John Henry Asdell Improvements in or relating to motor car electric head lamps and the like

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000266A (en) * 1977-06-17 1979-01-04 Lucas Industries Ltd Lamp reflector for a motor vehicle
GB2000266B (en) * 1977-06-17 1982-01-27 Lucas Industries Ltd Lamp reflector for a motor vehicle

Also Published As

Publication number Publication date
FR2171273B1 (enrdf_load_stackoverflow) 1977-02-04
FR2171273A1 (enrdf_load_stackoverflow) 1973-09-21
IT976283B (it) 1974-08-20
DE2205611A1 (de) 1973-08-23

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees