FR810767A - Optical projector - Google Patents

Optical projector

Info

Publication number
FR810767A
FR810767A FR810767DA FR810767A FR 810767 A FR810767 A FR 810767A FR 810767D A FR810767D A FR 810767DA FR 810767 A FR810767 A FR 810767A
Authority
FR
France
Prior art keywords
optical projector
projector
optical
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 Henri Amedee Froger
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.)
NIAM ETS
Original Assignee
NIAM ETS
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 NIAM ETS filed Critical NIAM ETS
Application granted granted Critical
Publication of FR810767A publication Critical patent/FR810767A/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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR810767D 1935-12-16 1935-12-16 Optical projector Expired FR810767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR810767T 1935-12-16

Publications (1)

Publication Number Publication Date
FR810767A true FR810767A (en) 1937-03-30

Family

ID=9257483

Family Applications (1)

Application Number Title Priority Date Filing Date
FR810767D Expired FR810767A (en) 1935-12-16 1935-12-16 Optical projector

Country Status (1)

Country Link
FR (1) FR810767A (en)

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