FR727597A - Improvements to reflectors - Google Patents

Improvements to reflectors

Info

Publication number
FR727597A
FR727597A FR727597DA FR727597A FR 727597 A FR727597 A FR 727597A FR 727597D A FR727597D A FR 727597DA FR 727597 A FR727597 A FR 727597A
Authority
FR
France
Prior art keywords
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
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.)
HONGROISE POUR LA FABRICATION
Original Assignee
HONGROISE POUR LA FABRICATION
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 HONGROISE POUR LA FABRICATION filed Critical HONGROISE POUR LA FABRICATION
Application granted granted Critical
Publication of FR727597A publication Critical patent/FR727597A/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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR727597D 1931-12-02 1931-12-02 Improvements to reflectors Expired FR727597A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR727597T 1931-12-02

Publications (1)

Publication Number Publication Date
FR727597A true FR727597A (en) 1932-06-20

Family

ID=9111364

Family Applications (1)

Application Number Title Priority Date Filing Date
FR727597D Expired FR727597A (en) 1931-12-02 1931-12-02 Improvements to reflectors

Country Status (1)

Country Link
FR (1) FR727597A (en)

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