FR619144A - Obturateur à persiennes - Google Patents

Obturateur à persiennes

Info

Publication number
FR619144A
FR619144A FR619144DA FR619144A FR 619144 A FR619144 A FR 619144A FR 619144D A FR619144D A FR 619144DA FR 619144 A FR619144 A FR 619144A
Authority
FR
France
Prior art keywords
louver shutter
louver
shutter
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)
Inventor
Henri-Charles-Louis Albert
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
Application granted granted Critical
Publication of FR619144A publication Critical patent/FR619144A/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
    • 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)
FR619144D 1926-07-12 1926-07-12 Obturateur à persiennes Expired FR619144A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR619144T 1926-07-12

Publications (1)

Publication Number Publication Date
FR619144A true FR619144A (fr) 1927-03-26

Family

ID=8983453

Family Applications (1)

Application Number Title Priority Date Filing Date
FR619144D Expired FR619144A (fr) 1926-07-12 1926-07-12 Obturateur à persiennes

Country Status (1)

Country Link
FR (1) FR619144A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4417687A (en) * 1982-06-07 1983-11-29 Grant Willie T Multi-blade automatic air register damper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4417687A (en) * 1982-06-07 1983-11-29 Grant Willie T Multi-blade automatic air register damper

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