JPS55103542A - Exposure time display circuit of camera - Google Patents
Exposure time display circuit of cameraInfo
- Publication number
- JPS55103542A JPS55103542A JP1056779A JP1056779A JPS55103542A JP S55103542 A JPS55103542 A JP S55103542A JP 1056779 A JP1056779 A JP 1056779A JP 1056779 A JP1056779 A JP 1056779A JP S55103542 A JPS55103542 A JP S55103542A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- exposure time
- supplied
- 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)
- Indication In Cameras, And Counting Of Exposures (AREA)
Abstract
PURPOSE: To achieve the miniaturization of the camera by selectively displaying auto and manual exposure time through the use of the same display element.
CONSTITUTION: A change-over circuit 16 which selectively supplies the output of an A/D converting and latching circuit 14 and the output of a manual exposure time setting circuit 8 to a decoder driver circuit 17 and a change-over circuit 10 which supplies the output of a counter 7 and the output of the circuit 8 selectively to a D/A converter 13 are provided. At the automatic exposure time controlling, the output of the circuit 14 is supplied to the circuit 17 and the output of the counter 7 is supplied to the converter 13. On the other hand, at the manual exposure time controlling, the output of the circuit 8 is supplied to the circuit 17 and the output of the circuit 8 is supplied to the converter 13. A display element 18 is driven by the output of the circuit 17.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1056779A JPS55103542A (en) | 1979-02-01 | 1979-02-01 | Exposure time display circuit of camera |
US06/113,003 US4306785A (en) | 1979-02-01 | 1980-01-17 | Camera exposure time control circuit |
GB8032779A GB2059612B (en) | 1979-02-01 | 1980-01-24 | Shutter speed control for a camera |
GB8002465A GB2045957B (en) | 1979-02-01 | 1980-01-24 | Camera shutter speed control and display |
FR8002208A FR2448164A1 (en) | 1979-02-01 | 1980-02-01 | LAYING TIME ADJUSTMENT CIRCUIT FOR A CAMERA |
DE3003745A DE3003745C2 (en) | 1979-02-01 | 1980-02-01 | Exposure time control circuit for a camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1056779A JPS55103542A (en) | 1979-02-01 | 1979-02-01 | Exposure time display circuit of camera |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55103542A true JPS55103542A (en) | 1980-08-07 |
Family
ID=11753816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1056779A Pending JPS55103542A (en) | 1979-02-01 | 1979-02-01 | Exposure time display circuit of camera |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55103542A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49135628A (en) * | 1973-04-26 | 1974-12-27 | ||
JPS5141522A (en) * | 1974-10-04 | 1976-04-07 | Canon Kk |
-
1979
- 1979-02-01 JP JP1056779A patent/JPS55103542A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49135628A (en) * | 1973-04-26 | 1974-12-27 | ||
JPS5141522A (en) * | 1974-10-04 | 1976-04-07 | Canon Kk |
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