JPH0259447B2 - - Google Patents

Info

Publication number
JPH0259447B2
JPH0259447B2 JP13444681A JP13444681A JPH0259447B2 JP H0259447 B2 JPH0259447 B2 JP H0259447B2 JP 13444681 A JP13444681 A JP 13444681A JP 13444681 A JP13444681 A JP 13444681A JP H0259447 B2 JPH0259447 B2 JP H0259447B2
Authority
JP
Japan
Prior art keywords
time
shutter
circuit
exposure
magnet
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
JP13444681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5834439A (ja
Inventor
Masayoshi Kiuchi
Masanori Uchitoi
Kazunobu Urushibara
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP13444681A priority Critical patent/JPS5834439A/ja
Priority to US06/410,692 priority patent/US4464032A/en
Publication of JPS5834439A publication Critical patent/JPS5834439A/ja
Publication of JPH0259447B2 publication Critical patent/JPH0259447B2/ja
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
    • G03B9/58—Means for varying duration of "open" period of shutter
    • G03B9/62—Means for varying duration of "open" period of shutter by varying interval of time between end of opening movement and beginning of closing movement
    • 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
    • G03B9/02—Diaphragms
    • G03B9/04—Single movable plate with two or more apertures of graded size, e.g. sliding plate or pivoting plate

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Shutter-Related Mechanisms (AREA)
JP13444681A 1981-08-26 1981-08-26 電気シヤツタの制御回路 Granted JPS5834439A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP13444681A JPS5834439A (ja) 1981-08-26 1981-08-26 電気シヤツタの制御回路
US06/410,692 US4464032A (en) 1981-08-26 1982-08-23 Exposure time control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13444681A JPS5834439A (ja) 1981-08-26 1981-08-26 電気シヤツタの制御回路

Publications (2)

Publication Number Publication Date
JPS5834439A JPS5834439A (ja) 1983-02-28
JPH0259447B2 true JPH0259447B2 (cs) 1990-12-12

Family

ID=15128538

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13444681A Granted JPS5834439A (ja) 1981-08-26 1981-08-26 電気シヤツタの制御回路

Country Status (1)

Country Link
JP (1) JPS5834439A (cs)

Also Published As

Publication number Publication date
JPS5834439A (ja) 1983-02-28

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