FR1304976A - Improvements to the shutters of fixed projection devices - Google Patents

Improvements to the shutters of fixed projection devices

Info

Publication number
FR1304976A
FR1304976A FR877895A FR877895A FR1304976A FR 1304976 A FR1304976 A FR 1304976A FR 877895 A FR877895 A FR 877895A FR 877895 A FR877895 A FR 877895A FR 1304976 A FR1304976 A FR 1304976A
Authority
FR
France
Prior art keywords
shutters
projection devices
fixed projection
fixed
devices
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
FR877895A
Other languages
French (fr)
Inventor
Serge Besancenot
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 filed Critical
Priority to FR877895A priority Critical patent/FR1304976A/en
Application granted granted Critical
Publication of FR1304976A publication Critical patent/FR1304976A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B23/00Devices for changing pictures in viewing apparatus or projectors
    • G03B23/18Devices for changing pictures in viewing apparatus or projectors with fade-in and fade-out effects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR877895A 1961-11-03 1961-11-03 Improvements to the shutters of fixed projection devices Expired FR1304976A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR877895A FR1304976A (en) 1961-11-03 1961-11-03 Improvements to the shutters of fixed projection devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR877895A FR1304976A (en) 1961-11-03 1961-11-03 Improvements to the shutters of fixed projection devices

Publications (1)

Publication Number Publication Date
FR1304976A true FR1304976A (en) 1962-09-28

Family

ID=8765990

Family Applications (1)

Application Number Title Priority Date Filing Date
FR877895A Expired FR1304976A (en) 1961-11-03 1961-11-03 Improvements to the shutters of fixed projection devices

Country Status (1)

Country Link
FR (1) FR1304976A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010554A1 (en) * 1978-11-02 1980-05-14 Rollei-Werke Franke & Heidecke GmbH + Co KG Device for optically suppressing the motion of picture changes in projecting apparatuses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010554A1 (en) * 1978-11-02 1980-05-14 Rollei-Werke Franke & Heidecke GmbH + Co KG Device for optically suppressing the motion of picture changes in projecting apparatuses

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