JPS5253423A - Exposure control device - Google Patents

Exposure control device

Info

Publication number
JPS5253423A
JPS5253423A JP50129111A JP12911175A JPS5253423A JP S5253423 A JPS5253423 A JP S5253423A JP 50129111 A JP50129111 A JP 50129111A JP 12911175 A JP12911175 A JP 12911175A JP S5253423 A JPS5253423 A JP S5253423A
Authority
JP
Japan
Prior art keywords
control device
exposure control
determining
shutter blade
standard 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.)
Granted
Application number
JP50129111A
Other languages
Japanese (ja)
Other versions
JPS6015932B2 (en
Inventor
Takuma Kumeta
Kunio Matsumoto
Takashi Yamazaki
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.)
Nidec Precision Corp
Original Assignee
Nidec Copal Corp
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 Nidec Copal Corp filed Critical Nidec Copal Corp
Priority to JP50129111A priority Critical patent/JPS6015932B2/en
Publication of JPS5253423A publication Critical patent/JPS5253423A/en
Publication of JPS6015932B2 publication Critical patent/JPS6015932B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Exposure Control For Cameras (AREA)

Abstract

PURPOSE: To enable a long time exposure at alow illumination by determining an opening quantity of the shutter blade by the first standard voltage, and determining a closing time of the shutter blade by the second standard voltage at the time of the largest oepning quantity.
COPYRIGHT: (C)1977,JPO&Japio
JP50129111A 1975-10-27 1975-10-27 exposure control device Expired JPS6015932B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50129111A JPS6015932B2 (en) 1975-10-27 1975-10-27 exposure control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50129111A JPS6015932B2 (en) 1975-10-27 1975-10-27 exposure control device

Publications (2)

Publication Number Publication Date
JPS5253423A true JPS5253423A (en) 1977-04-30
JPS6015932B2 JPS6015932B2 (en) 1985-04-23

Family

ID=15001327

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50129111A Expired JPS6015932B2 (en) 1975-10-27 1975-10-27 exposure control device

Country Status (1)

Country Link
JP (1) JPS6015932B2 (en)

Also Published As

Publication number Publication date
JPS6015932B2 (en) 1985-04-23

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