FR1412318A - Projection device - Google Patents

Projection device

Info

Publication number
FR1412318A
FR1412318A FR992457A FR992457A FR1412318A FR 1412318 A FR1412318 A FR 1412318A FR 992457 A FR992457 A FR 992457A FR 992457 A FR992457 A FR 992457A FR 1412318 A FR1412318 A FR 1412318A
Authority
FR
France
Prior art keywords
projection device
projection
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
FR992457A
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.)
Ganz and Co
Original Assignee
Ganz and Co
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 Ganz and Co filed Critical Ganz and Co
Priority to FR992457A priority Critical patent/FR1412318A/en
Application granted granted Critical
Publication of FR1412318A publication Critical patent/FR1412318A/en
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR992457A 1964-10-23 1964-10-23 Projection device Expired FR1412318A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR992457A FR1412318A (en) 1964-10-23 1964-10-23 Projection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR992457A FR1412318A (en) 1964-10-23 1964-10-23 Projection device

Publications (1)

Publication Number Publication Date
FR1412318A true FR1412318A (en) 1965-09-24

Family

ID=8840962

Family Applications (1)

Application Number Title Priority Date Filing Date
FR992457A Expired FR1412318A (en) 1964-10-23 1964-10-23 Projection device

Country Status (1)

Country Link
FR (1) FR1412318A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2912389A1 (en) * 2007-02-09 2008-08-15 Pascal Andre Brogard Motorized device for rolling e.g. home-theater projection screen, has synchronous belt coupled to terminal element of vertical telescopic column to exert force on screen rolled on support tube, where column is actuated by kinematic chain

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2912389A1 (en) * 2007-02-09 2008-08-15 Pascal Andre Brogard Motorized device for rolling e.g. home-theater projection screen, has synchronous belt coupled to terminal element of vertical telescopic column to exert force on screen rolled on support tube, where column is actuated by kinematic chain

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