FR557511A - Improvements in automotive headlamp installations - Google Patents

Improvements in automotive headlamp installations

Info

Publication number
FR557511A
FR557511A FR557511DA FR557511A FR 557511 A FR557511 A FR 557511A FR 557511D A FR557511D A FR 557511DA FR 557511 A FR557511 A FR 557511A
Authority
FR
France
Prior art keywords
installations
automotive headlamp
headlamp
automotive
headlamp installations
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
Other languages
French (fr)
Inventor
Edouard Auguste Hubert Poorter
Louis Bocquet
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 filed Critical
Application granted granted Critical
Publication of FR557511A publication Critical patent/FR557511A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/0029—Spatial arrangement
    • B60Q1/0041—Spatial arrangement of several lamps in relation to each other
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28—Cover glass
    • 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
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR557511D 1922-10-17 1922-10-17 Improvements in automotive headlamp installations Expired FR557511A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR557511T 1922-10-17

Publications (1)

Publication Number Publication Date
FR557511A true FR557511A (en) 1923-08-10

Family

ID=8940918

Family Applications (1)

Application Number Title Priority Date Filing Date
FR557511D Expired FR557511A (en) 1922-10-17 1922-10-17 Improvements in automotive headlamp installations

Country Status (1)

Country Link
FR (1) FR557511A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2579721A1 (en) * 1985-03-26 1986-10-03 Cibie Projecteurs ROAD LIGHTING ASSEMBLY WITH TWO HEADLIGHTS FOR MOTOR VEHICLE
US4722037A (en) * 1986-08-15 1988-01-26 Davis Charles S Holographic device for generating multiple beams of light
CN106458082A (en) * 2014-05-30 2017-02-22 洋马株式会社 Tractor headlight device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2579721A1 (en) * 1985-03-26 1986-10-03 Cibie Projecteurs ROAD LIGHTING ASSEMBLY WITH TWO HEADLIGHTS FOR MOTOR VEHICLE
US4654759A (en) * 1985-03-26 1987-03-31 Cibie Projecteurs Two-headlamp main beam units for motor vehicles
US4722037A (en) * 1986-08-15 1988-01-26 Davis Charles S Holographic device for generating multiple beams of light
CN106458082A (en) * 2014-05-30 2017-02-22 洋马株式会社 Tractor headlight device
EP3162632A4 (en) * 2014-05-30 2018-01-24 Yanmar Co., Ltd. Tractor headlight device
US9925913B2 (en) 2014-05-30 2018-03-27 Yanmar Co., Ltd. Tractor headlight device
CN106458082B (en) * 2014-05-30 2019-07-16 洋马株式会社 The headlight device of tractor

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