FR8551E - Perfectionnements aux miroirs de projecteurs - Google Patents

Perfectionnements aux miroirs de projecteurs

Info

Publication number
FR8551E
FR8551E FR8551DA FR8551E FR 8551 E FR8551 E FR 8551E FR 8551D A FR8551D A FR 8551DA FR 8551 E FR8551 E FR 8551E
Authority
FR
France
Prior art keywords
projector
mirrors
projector mirrors
mirrors improvements
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
English (en)
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.)
BARBIER SOC
Original Assignee
BARBIER SOC
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 BARBIER SOC filed Critical BARBIER SOC
Application granted granted Critical
Publication of FR8551E publication Critical patent/FR8551E/fr
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
    • F21V7/10—Construction

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR8551D 1907-10-18 1907-11-28 Perfectionnements aux miroirs de projecteurs Expired FR8551E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR383023T 1907-10-18
FR8551T 1907-11-28

Publications (1)

Publication Number Publication Date
FR8551E true FR8551E (fr) 1908-05-01

Family

ID=1351224

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8551D Expired FR8551E (fr) 1907-10-18 1907-11-28 Perfectionnements aux miroirs de projecteurs

Country Status (1)

Country Link
FR (1) FR8551E (fr)

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