FR709027A - Improvements in the projection of light - Google Patents

Improvements in the projection of light

Info

Publication number
FR709027A
FR709027A FR709027DA FR709027A FR 709027 A FR709027 A FR 709027A FR 709027D A FR709027D A FR 709027DA FR 709027 A FR709027 A FR 709027A
Authority
FR
France
Prior art keywords
projection
light
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)
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.)
STELMAR PROJECTION LIGHTING LT
Original Assignee
STELMAR PROJECTION LIGHTING LT
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 STELMAR PROJECTION LIGHTING LT filed Critical STELMAR PROJECTION LIGHTING LT
Application granted granted Critical
Publication of FR709027A publication Critical patent/FR709027A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • 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
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR709027D 1930-12-23 1930-12-23 Improvements in the projection of light Expired FR709027A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR709027T 1930-12-23

Publications (1)

Publication Number Publication Date
FR709027A true FR709027A (en) 1931-08-01

Family

ID=9069242

Family Applications (1)

Application Number Title Priority Date Filing Date
FR709027D Expired FR709027A (en) 1930-12-23 1930-12-23 Improvements in the projection of light

Country Status (1)

Country Link
FR (1) FR709027A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012090151A2 (en) 2010-12-28 2012-07-05 Bostik Sa Cross-linking method and associated device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012090151A2 (en) 2010-12-28 2012-07-05 Bostik Sa Cross-linking method and associated device

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