JPS6158010B2 - - Google Patents

Info

Publication number
JPS6158010B2
JPS6158010B2 JP53073040A JP7304078A JPS6158010B2 JP S6158010 B2 JPS6158010 B2 JP S6158010B2 JP 53073040 A JP53073040 A JP 53073040A JP 7304078 A JP7304078 A JP 7304078A JP S6158010 B2 JPS6158010 B2 JP S6158010B2
Authority
JP
Japan
Prior art keywords
shutter
coil
output
circuit
reference voltage
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
JP53073040A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54164124A (en
Inventor
Yukio Ogawa
Ryoichi Suzuki
Takao Kinoshita
Takashi Uchama
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 JP7304078A priority Critical patent/JPS54164124A/ja
Priority to US06/047,116 priority patent/US4280761A/en
Publication of JPS54164124A publication Critical patent/JPS54164124A/ja
Publication of JPS6158010B2 publication Critical patent/JPS6158010B2/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
  • Exposure Control For Cameras (AREA)
JP7304078A 1978-06-16 1978-06-16 Electromagnetic drive shutter drive circuit Granted JPS54164124A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP7304078A JPS54164124A (en) 1978-06-16 1978-06-16 Electromagnetic drive shutter drive circuit
US06/047,116 US4280761A (en) 1978-06-16 1979-06-11 Electromagnetic shutter driving circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7304078A JPS54164124A (en) 1978-06-16 1978-06-16 Electromagnetic drive shutter drive circuit

Publications (2)

Publication Number Publication Date
JPS54164124A JPS54164124A (en) 1979-12-27
JPS6158010B2 true JPS6158010B2 (en]) 1986-12-09

Family

ID=13506842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7304078A Granted JPS54164124A (en) 1978-06-16 1978-06-16 Electromagnetic drive shutter drive circuit

Country Status (2)

Country Link
US (1) US4280761A (en])
JP (1) JPS54164124A (en])

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56115130U (en]) * 1980-02-06 1981-09-04
JPS58149026A (ja) * 1982-03-01 1983-09-05 Copal Co Ltd 電磁駆動プログラムシヤツタ−の制御回路
IT1213145B (it) * 1984-02-29 1989-12-14 Ates Componenti Elettron Circuito di comando in commutazione di carichi induttivi, integrabile monoliticamente, a bassa dissipazione di potenza.
JPH0797742B2 (ja) * 1984-04-16 1995-10-18 キヤノン株式会社 駆動回路
JPH0524896Y2 (en]) * 1986-12-26 1993-06-24
JP2001125166A (ja) 1999-10-26 2001-05-11 Nidec Copal Corp シャッタ制御装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5260618A (en) * 1975-11-14 1977-05-19 Nippon Chemical Ind Electric shutter speed controlling circuit

Also Published As

Publication number Publication date
JPS54164124A (en) 1979-12-27
US4280761A (en) 1981-07-28

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