JPS49134322A - - Google Patents

Info

Publication number
JPS49134322A
JPS49134322A JP48046755A JP4675573A JPS49134322A JP S49134322 A JPS49134322 A JP S49134322A JP 48046755 A JP48046755 A JP 48046755A JP 4675573 A JP4675573 A JP 4675573A JP S49134322 A JPS49134322 A JP S49134322A
Authority
JP
Japan
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
JP48046755A
Other languages
Japanese (ja)
Other versions
JPS5644406B2 (enExample
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 JP4675573A priority Critical patent/JPS5644406B2/ja
Priority to US463113A priority patent/US3906532A/en
Priority to DE2419775A priority patent/DE2419775A1/de
Publication of JPS49134322A publication Critical patent/JPS49134322A/ja
Publication of JPS5644406B2 publication Critical patent/JPS5644406B2/ja
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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/083—Analogue circuits for control of exposure time
    • 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)
  • Exposure Control For Cameras (AREA)
JP4675573A 1973-04-26 1973-04-26 Expired JPS5644406B2 (enExample)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP4675573A JPS5644406B2 (enExample) 1973-04-26 1973-04-26
US463113A US3906532A (en) 1973-04-26 1974-04-22 Apparatus for preventing abnormal camera operation
DE2419775A DE2419775A1 (de) 1973-04-26 1974-04-24 Photographische kamera, bei der die belichtungszeit wahlweise durch eine elektrische oder eine mechanische steuervorrichtung steuerbar ist

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4675573A JPS5644406B2 (enExample) 1973-04-26 1973-04-26

Publications (2)

Publication Number Publication Date
JPS49134322A true JPS49134322A (enExample) 1974-12-24
JPS5644406B2 JPS5644406B2 (enExample) 1981-10-19

Family

ID=12756131

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4675573A Expired JPS5644406B2 (enExample) 1973-04-26 1973-04-26

Country Status (3)

Country Link
US (1) US3906532A (enExample)
JP (1) JPS5644406B2 (enExample)
DE (1) DE2419775A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51151538A (en) * 1975-06-21 1976-12-27 Nippon Kogaku Kk <Nikon> Safety mechanism for the electric shutter of the camera
US4134658A (en) * 1975-11-20 1979-01-16 Canon Kabushiki Kaisha Shutter release system for a camera
JPS53102628U (enExample) * 1977-01-22 1978-08-18

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS486730A (enExample) * 1971-06-03 1973-01-27

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2059268A5 (enExample) * 1969-09-10 1971-05-28 Leitz Ernst Gmbh

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS486730A (enExample) * 1971-06-03 1973-01-27

Also Published As

Publication number Publication date
JPS5644406B2 (enExample) 1981-10-19
US3906532A (en) 1975-09-16
DE2419775A1 (de) 1974-11-14

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