JPS5638022A - Camera - Google Patents
CameraInfo
- 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
Links
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
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) |
-
1980
- 1980-07-16 JP JP9799980A patent/JPS5638022A/en active Pending
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