FR507591A - Improvements to reflectors for lanterns or headlights - Google Patents

Improvements to reflectors for lanterns or headlights

Info

Publication number
FR507591A
FR507591A FR507591A FR507591DA FR507591A FR 507591 A FR507591 A FR 507591A FR 507591 A FR507591 A FR 507591A FR 507591D A FR507591D A FR 507591DA FR 507591 A FR507591 A FR 507591A
Authority
FR
France
Prior art keywords
lanterns
headlights
reflectors
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
FR507591A
Other languages
French (fr)
Inventor
Ernest Ferdinand Wiederholdt
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR507591A publication Critical patent/FR507591A/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
    • F21S41/335—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with continuity at the junction between adjacent areas

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
FR507591A 1916-02-28 1919-12-20 Improvements to reflectors for lanterns or headlights Expired FR507591A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US507591XA 1916-02-28 1916-02-28

Publications (1)

Publication Number Publication Date
FR507591A true FR507591A (en) 1920-09-18

Family

ID=21967238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR507591A Expired FR507591A (en) 1916-02-28 1919-12-20 Improvements to reflectors for lanterns or headlights

Country Status (2)

Country Link
DE (1) DE343395C (en)
FR (1) FR507591A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2626347A1 (en) * 1988-01-22 1989-07-28 Cibie Projecteurs Lamp with light recovery cheeks, in particular for motor vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2626347A1 (en) * 1988-01-22 1989-07-28 Cibie Projecteurs Lamp with light recovery cheeks, in particular for motor vehicle

Also Published As

Publication number Publication date
DE343395C (en) 1921-11-01

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