FR1060459A - Groove profile especially for projector glass - Google Patents

Groove profile especially for projector glass

Info

Publication number
FR1060459A
FR1060459A FR1060459DA FR1060459A FR 1060459 A FR1060459 A FR 1060459A FR 1060459D A FR1060459D A FR 1060459DA FR 1060459 A FR1060459 A FR 1060459A
Authority
FR
France
Prior art keywords
groove profile
profile especially
projector glass
projector
glass
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
Pierre Cibie
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 FR1060459A publication Critical patent/FR1060459A/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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28—Cover glass

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1060459D 1952-07-21 1952-07-21 Groove profile especially for projector glass Expired FR1060459A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1060459T 1952-07-21

Publications (1)

Publication Number Publication Date
FR1060459A true FR1060459A (en) 1954-04-02

Family

ID=9599621

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1060459D Expired FR1060459A (en) 1952-07-21 1952-07-21 Groove profile especially for projector glass

Country Status (1)

Country Link
FR (1) FR1060459A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5473454A (en) * 1993-06-02 1995-12-05 Hughes Aircraft Company Elliptical diffuser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5473454A (en) * 1993-06-02 1995-12-05 Hughes Aircraft Company Elliptical diffuser

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