FR1252264A - Louver shutter for optical devices - Google Patents

Louver shutter for optical devices

Info

Publication number
FR1252264A
FR1252264A FR818279A FR818279A FR1252264A FR 1252264 A FR1252264 A FR 1252264A FR 818279 A FR818279 A FR 818279A FR 818279 A FR818279 A FR 818279A FR 1252264 A FR1252264 A FR 1252264A
Authority
FR
France
Prior art keywords
optical devices
louver shutter
louver
shutter
optical
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
FR818279A
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.)
Applied Biosystems Inc
Original Assignee
Perkin Elmer Corp
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 Perkin Elmer Corp filed Critical Perkin Elmer Corp
Priority to FR818279A priority Critical patent/FR1252264A/en
Application granted granted Critical
Publication of FR1252264A publication Critical patent/FR1252264A/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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/46—Flap shutters pivoting about axis in plane of flap
    • G03B9/50—Louvre type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR818279A 1960-02-12 1960-02-12 Louver shutter for optical devices Expired FR1252264A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR818279A FR1252264A (en) 1960-02-12 1960-02-12 Louver shutter for optical devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR818279A FR1252264A (en) 1960-02-12 1960-02-12 Louver shutter for optical devices

Publications (1)

Publication Number Publication Date
FR1252264A true FR1252264A (en) 1961-01-27

Family

ID=8725102

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818279A Expired FR1252264A (en) 1960-02-12 1960-02-12 Louver shutter for optical devices

Country Status (1)

Country Link
FR (1) FR1252264A (en)

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