FR461692A - Miroir pour projecteurs - Google Patents

Miroir pour projecteurs

Info

Publication number
FR461692A
FR461692A FR461692DA FR461692A FR 461692 A FR461692 A FR 461692A FR 461692D A FR461692D A FR 461692DA FR 461692 A FR461692 A FR 461692A
Authority
FR
France
Prior art keywords
projector mirror
projector
mirror
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.)
Optische Anstalt CP Goerz AG
Original Assignee
Optische Anstalt CP Goerz AG
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 Optische Anstalt CP Goerz AG filed Critical Optische Anstalt CP Goerz AG
Application granted granted Critical
Publication of FR461692A publication Critical patent/FR461692A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2066—Reflectors in illumination beam

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR461692D 1912-08-28 1913-08-22 Miroir pour projecteurs Expired FR461692A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE461692X 1912-08-28

Publications (1)

Publication Number Publication Date
FR461692A true FR461692A (fr) 1914-01-08

Family

ID=1500951

Family Applications (1)

Application Number Title Priority Date Filing Date
FR461692D Expired FR461692A (fr) 1912-08-28 1913-08-22 Miroir pour projecteurs

Country Status (1)

Country Link
FR (1) FR461692A (fr)

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