FR797743A - Shutter device for apparatus intended for recording or reproducing images - Google Patents

Shutter device for apparatus intended for recording or reproducing images

Info

Publication number
FR797743A
FR797743A FR797743DA FR797743A FR 797743 A FR797743 A FR 797743A FR 797743D A FR797743D A FR 797743DA FR 797743 A FR797743 A FR 797743A
Authority
FR
France
Prior art keywords
recording
shutter device
apparatus intended
reproducing images
reproducing
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)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR797743A publication Critical patent/FR797743A/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
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2053—Intensity control of illuminating light

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR797743D 1934-12-03 1935-11-15 Shutter device for apparatus intended for recording or reproducing images Expired FR797743A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE797743X 1934-12-03

Publications (1)

Publication Number Publication Date
FR797743A true FR797743A (en) 1936-05-02

Family

ID=6711248

Family Applications (1)

Application Number Title Priority Date Filing Date
FR797743D Expired FR797743A (en) 1934-12-03 1935-11-15 Shutter device for apparatus intended for recording or reproducing images

Country Status (1)

Country Link
FR (1) FR797743A (en)

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