JPS5412732A - Electric shutter - Google Patents

Electric shutter

Info

Publication number
JPS5412732A
JPS5412732A JP7745377A JP7745377A JPS5412732A JP S5412732 A JPS5412732 A JP S5412732A JP 7745377 A JP7745377 A JP 7745377A JP 7745377 A JP7745377 A JP 7745377A JP S5412732 A JPS5412732 A JP S5412732A
Authority
JP
Japan
Prior art keywords
electric shutter
charging
shutter
time constant
constant capacitor
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.)
Pending
Application number
JP7745377A
Other languages
Japanese (ja)
Inventor
Isao Harigaya
Tetsuya Taguchi
Fumio Ito
Tokuichi Tsunekawa
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 JP7745377A priority Critical patent/JPS5412732A/en
Publication of JPS5412732A publication Critical patent/JPS5412732A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exposure Control For Cameras (AREA)
  • Shutter-Related Mechanisms (AREA)

Abstract

PURPOSE: To make it possible to obtain a precise shutter speed by previously charging a time constant capacitor at the time of photometry in the constitution in which the shutter is closed by charging a time constant capacitor due to the output of a photodetector.
COPYRIGHT: (C)1979,JPO&Japio
JP7745377A 1977-06-29 1977-06-29 Electric shutter Pending JPS5412732A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7745377A JPS5412732A (en) 1977-06-29 1977-06-29 Electric shutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7745377A JPS5412732A (en) 1977-06-29 1977-06-29 Electric shutter

Publications (1)

Publication Number Publication Date
JPS5412732A true JPS5412732A (en) 1979-01-30

Family

ID=13634424

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7745377A Pending JPS5412732A (en) 1977-06-29 1977-06-29 Electric shutter

Country Status (1)

Country Link
JP (1) JPS5412732A (en)

Similar Documents

Publication Publication Date Title
JPS547263A (en) D-a converter
JPS5412732A (en) Electric shutter
JPS5415738A (en) Controller of camera
JPS5354411A (en) Solid pickup device
JPS542739A (en) Electrophotographic photoreceptor
JPS5393722A (en) Driving circuit for charge storage type photoelectric converter element
JPS5295218A (en) Shutter unit
JPS5393279A (en) Rotating speed of rotor control equipment
JPS53132339A (en) Camera with electric shutter
JPS53140379A (en) Lens dyeing device
JPS5210125A (en) Focal plane shutter
JPS5421339A (en) Diaphragm value arthmetic circuit for camera
JPS5221641A (en) Constant-voltage circuit
JPS5379311A (en) Solid image pickup unit
JPS5390925A (en) Focal plane shutter mechanism
JPS5343416A (en) Image sensor
JPS5434818A (en) Shutter control circuit
JPS5231733A (en) Camera with a built-in generator
JPS5324956A (en) Operating means
JPS5389760A (en) Position detector
JPS5322352A (en) Pulse generator
JPS5313922A (en) Cine camera
JPS547385A (en) Speed counting system
JPS5354010A (en) Frequency-to-voltage converting circuit
JPS5389642A (en) Clock singal generator for electric charge transfer element