JPS5638022A - Camera - Google Patents

Camera

Info

Publication number
JPS5638022A
JPS5638022A JP9799980A JP9799980A JPS5638022A JP S5638022 A JPS5638022 A JP S5638022A JP 9799980 A JP9799980 A JP 9799980A JP 9799980 A JP9799980 A JP 9799980A JP S5638022 A JPS5638022 A JP S5638022A
Authority
JP
Japan
Prior art keywords
photographing mode
constitution
automatic
sequence control
circuit
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
JP9799980A
Other languages
Japanese (ja)
Inventor
Nobuhiko Shinoda
Tadashi Ito
Soichi Nakamoto
Fumio Ito
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 JP9799980A priority Critical patent/JPS5638022A/en
Publication of JPS5638022A publication Critical patent/JPS5638022A/en
Pending legal-status Critical Current

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Landscapes

  • Exposure Control For Cameras (AREA)

Abstract

PURPOSE: To simplify the constitution of a camera that can selectively perform various mode photographing by using the same arithmetic circuit for exposure operation in program photographing mode and automatic photographing mode.
CONSTITUTION: A gate circuit 4 generates the signal deciding that shutter second time priority or aperture priority automatic photographing mode has been selected by detecting the closing of the shutter selection switch SW6 or aperture selection switch SW7 of an operation setting circuit 3. Likewise, when the switches SW6, SW7 are both open, it generates a program photographing mode decision signal. Based on these decision signals, an ROM5c is accessed via the sequence control counter 5b of a sequence control circuit 5, and the same arithmetic circuit 8a is used by the sequence control signal read out according to the photographing mode from the ROM5c to arithmetically calculate the exposure information at the time of various photographing modes, whereby the automatic controlling of exposure is accomplished. Hence, the constitution of the camera by which the automatic photographing mode and program photographing mode are selectively performed becomes simple.
COPYRIGHT: (C)1981,JPO&Japio
JP9799980A 1980-07-16 1980-07-16 Camera Pending JPS5638022A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9799980A JPS5638022A (en) 1980-07-16 1980-07-16 Camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9799980A JPS5638022A (en) 1980-07-16 1980-07-16 Camera

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP48080087A Division JPS5028831A (en) 1973-07-16 1973-07-16

Publications (1)

Publication Number Publication Date
JPS5638022A true JPS5638022A (en) 1981-04-13

Family

ID=14207350

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9799980A Pending JPS5638022A (en) 1980-07-16 1980-07-16 Camera

Country Status (1)

Country Link
JP (1) JPS5638022A (en)

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