JPS5224526A - Program shutter - Google Patents

Program shutter

Info

Publication number
JPS5224526A
JPS5224526A JP10140975A JP10140975A JPS5224526A JP S5224526 A JPS5224526 A JP S5224526A JP 10140975 A JP10140975 A JP 10140975A JP 10140975 A JP10140975 A JP 10140975A JP S5224526 A JPS5224526 A JP S5224526A
Authority
JP
Japan
Prior art keywords
shutter blade
program shutter
opening
driving
stepping motor
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
JP10140975A
Other languages
Japanese (ja)
Other versions
JPS5748771B2 (en
Inventor
Hiroshi Iwata
Katsuji Ishikawa
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.)
West Electric Co Ltd
Original Assignee
West Electric 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
Application filed by West Electric Co Ltd filed Critical West Electric Co Ltd
Priority to JP10140975A priority Critical patent/JPS5224526A/en
Publication of JPS5224526A publication Critical patent/JPS5224526A/en
Publication of JPS5748771B2 publication Critical patent/JPS5748771B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Exposure Control For Cameras (AREA)

Abstract

PURPOSE: To control an exposure quantity resulting from a proper combination of opening value of the shutter blade and an opening maintaining time by driving the shutter blade combined with plural stops owing to an electric drive source, such as, a numerically driven stepping motor.
COPYRIGHT: (C)1977,JPO&Japio
JP10140975A 1975-08-20 1975-08-20 Program shutter Granted JPS5224526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10140975A JPS5224526A (en) 1975-08-20 1975-08-20 Program shutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10140975A JPS5224526A (en) 1975-08-20 1975-08-20 Program shutter

Publications (2)

Publication Number Publication Date
JPS5224526A true JPS5224526A (en) 1977-02-24
JPS5748771B2 JPS5748771B2 (en) 1982-10-18

Family

ID=14299905

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10140975A Granted JPS5224526A (en) 1975-08-20 1975-08-20 Program shutter

Country Status (1)

Country Link
JP (1) JPS5224526A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57173294A (en) * 1981-04-20 1982-10-25 Sony Corp Speaker system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5017635A (en) * 1973-05-22 1975-02-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5017635A (en) * 1973-05-22 1975-02-25

Also Published As

Publication number Publication date
JPS5748771B2 (en) 1982-10-18

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