GB1277219A - Improvements in vehicle headlamps - Google Patents

Improvements in vehicle headlamps

Info

Publication number
GB1277219A
GB1277219A GB3798969A GB3798969A GB1277219A GB 1277219 A GB1277219 A GB 1277219A GB 3798969 A GB3798969 A GB 3798969A GB 3798969 A GB3798969 A GB 3798969A GB 1277219 A GB1277219 A GB 1277219A
Authority
GB
United Kingdom
Prior art keywords
mask
bulb
envelope
light
reflector
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
GB3798969A
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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
Priority claimed from DE19681772985 external-priority patent/DE1772985C3/de
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB1277219A publication Critical patent/GB1277219A/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
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
    • F21S41/435—Hoods or cap-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
GB3798969A 1968-07-30 1969-07-29 Improvements in vehicle headlamps Expired GB1277219A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681772985 DE1772985C3 (de) 1968-07-30 Scheinwerfer für asymmetrisches Abblendlicht von Kraftfahrzeugen

Publications (1)

Publication Number Publication Date
GB1277219A true GB1277219A (en) 1972-06-07

Family

ID=5701483

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3798969A Expired GB1277219A (en) 1968-07-30 1969-07-29 Improvements in vehicle headlamps

Country Status (3)

Country Link
FR (1) FR2013967A1 (enExample)
GB (1) GB1277219A (enExample)
NL (1) NL6911561A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2422321A1 (de) * 1973-06-15 1975-01-09 Ogawa & Co Ltd Sublimierbare chemische praeparate fuer die landwirtschaft
GB2245356A (en) * 1990-06-19 1992-01-02 Koito Mfg Co Ltd Projection-type vehicular headlamp

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484605A1 (fr) * 1980-06-12 1981-12-18 Ducellier & Cie Projecteur pour vehicule automobile
JP2655741B2 (ja) * 1990-06-25 1997-09-24 株式会社小糸製作所 投射型自動車用ヘッドランプ
FR2745363B1 (fr) * 1996-02-27 1998-05-07 Valeo Vision Dispositif occulteur pour projecteur de vehicule automobile et projecteur ainsi equipe
FR2750195B1 (fr) * 1996-06-21 1998-09-11 Valeo Vision Projecteur de vehicule automobile equipe d'un cache de lumiere directe d'aspect ameliore

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2422321A1 (de) * 1973-06-15 1975-01-09 Ogawa & Co Ltd Sublimierbare chemische praeparate fuer die landwirtschaft
GB2245356A (en) * 1990-06-19 1992-01-02 Koito Mfg Co Ltd Projection-type vehicular headlamp
US5091830A (en) * 1990-06-19 1992-02-25 Koito Manufacturing Co., Ltd. Projection type vehicular headlamp
GB2245356B (en) * 1990-06-19 1993-08-04 Koito Mfg Co Ltd Projection type vehicular headlamp

Also Published As

Publication number Publication date
FR2013967A1 (enExample) 1970-04-10
DE1772985B2 (de) 1976-11-11
DE1772985A1 (de) 1971-07-08
NL6911561A (enExample) 1970-02-03

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Legal Events

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