JPS5421339A - Diaphragm value arthmetic circuit for camera - Google Patents
Diaphragm value arthmetic circuit for cameraInfo
- Publication number
- JPS5421339A JPS5421339A JP8506877A JP8506877A JPS5421339A JP S5421339 A JPS5421339 A JP S5421339A JP 8506877 A JP8506877 A JP 8506877A JP 8506877 A JP8506877 A JP 8506877A JP S5421339 A JPS5421339 A JP S5421339A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- diaphragm value
- arthmetic
- camera
- 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 make it possible to simplify the circuit and make the circuit IC by adding the voltage of shutter speed value, voltage of film sensitivity value, and voltage of lens open diaphragm value, subtracting the voltage of photometric amount therefrom, and obtaining the voltage of optimum diaphragm value.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8506877A JPS5421339A (en) | 1977-07-18 | 1977-07-18 | Diaphragm value arthmetic circuit for camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8506877A JPS5421339A (en) | 1977-07-18 | 1977-07-18 | Diaphragm value arthmetic circuit for camera |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5421339A true JPS5421339A (en) | 1979-02-17 |
Family
ID=13848302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8506877A Pending JPS5421339A (en) | 1977-07-18 | 1977-07-18 | Diaphragm value arthmetic circuit for camera |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5421339A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57183826A (en) * | 1981-05-07 | 1982-11-12 | Olympus Optical Co | Endoscope photographing apparatus |
-
1977
- 1977-07-18 JP JP8506877A patent/JPS5421339A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57183826A (en) * | 1981-05-07 | 1982-11-12 | Olympus Optical Co | Endoscope photographing apparatus |
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