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FR2274060A1 - Obturateur a rideaux commande electriquement pour appareil photographique - Google Patents

Obturateur a rideaux commande electriquement pour appareil photographique

Info

Publication number
FR2274060A1
FR2274060A1 FR7513053A FR7513053A FR2274060A1 FR 2274060 A1 FR2274060 A1 FR 2274060A1 FR 7513053 A FR7513053 A FR 7513053A FR 7513053 A FR7513053 A FR 7513053A FR 2274060 A1 FR2274060 A1 FR 2274060A1
Authority
FR
France
Prior art keywords
electrically controlled
photographic camera
curtain shutter
controlled curtain
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.)
Granted
Application number
FR7513053A
Other languages
English (en)
Other versions
FR2274060B1 (fr
Inventor
Yoshihisa Maitani
Akihiko Hashimoto
Fujio Enomoto
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.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
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
Priority claimed from JP6442574A external-priority patent/JPS5645126B2/ja
Priority claimed from JP49064426A external-priority patent/JPS50156428A/ja
Priority claimed from JP49064427A external-priority patent/JPS50156429A/ja
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Publication of FR2274060A1 publication Critical patent/FR2274060A1/fr
Application granted granted Critical
Publication of FR2274060B1 publication Critical patent/FR2274060B1/fr
Granted 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
    • G03B9/28—Roller blind or flexible plate
    • G03B9/32—Double blind
    • 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
    • G03B9/58—Means for varying duration of "open" period of shutter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
  • Automatic Focus Adjustment (AREA)
FR7513053A 1974-06-06 1975-04-25 Obturateur a rideaux commande electriquement pour appareil photographique Granted FR2274060A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6442574A JPS5645126B2 (fr) 1974-06-06 1974-06-06
JP49064426A JPS50156428A (fr) 1974-06-06 1974-06-06
JP49064427A JPS50156429A (fr) 1974-06-06 1974-06-06

Publications (2)

Publication Number Publication Date
FR2274060A1 true FR2274060A1 (fr) 1976-01-02
FR2274060B1 FR2274060B1 (fr) 1977-11-10

Family

ID=27298476

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7513053A Granted FR2274060A1 (fr) 1974-06-06 1975-04-25 Obturateur a rideaux commande electriquement pour appareil photographique

Country Status (3)

Country Link
DE (1) DE2525350C3 (fr)
FR (1) FR2274060A1 (fr)
GB (1) GB1513785A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5589822A (en) * 1978-12-28 1980-07-07 Canon Inc Bulb photography control system of camera

Also Published As

Publication number Publication date
FR2274060B1 (fr) 1977-11-10
DE2525350B2 (de) 1979-09-06
DE2525350C3 (de) 1980-06-04
GB1513785A (en) 1978-06-07
DE2525350A1 (de) 1975-12-18

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Legal Events

Date Code Title Description
ST Notification of lapse