JPS5573038A - Signal transmission device for camera - Google Patents
Signal transmission device for cameraInfo
- Publication number
- JPS5573038A JPS5573038A JP14689578A JP14689578A JPS5573038A JP S5573038 A JPS5573038 A JP S5573038A JP 14689578 A JP14689578 A JP 14689578A JP 14689578 A JP14689578 A JP 14689578A JP S5573038 A JPS5573038 A JP S5573038A
- Authority
- JP
- Japan
- Prior art keywords
- adapter
- signal transmission
- connects
- flash device
- stationary contact
- 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)
- Stroboscope Apparatuses (AREA)
Abstract
PURPOSE: To enable the flash device to be controlled even if a sensor adapter is connected by mistake by connecting the adapter to a photoelectric element when it is mounted to the flash device and providing electrodes for making contact to photometric signal transmission electrodes to said adapter.
CONSTITUTION: When a sensor adapter 7 is mounted to the mounting jig 15 of a flash device 13 and a flash adapter 11 to the accessory shoe 5 of the camera respectively, the switch depressing member 7m of the adapter 7 is pressed by the pin 15m of the mounting jig 15. Then, the traveling contact piece 7QA connecting to the collector of the photo transistor 7a of a signal changeover switch 7Q connects to the stationary contact 7QC connecting to the stationary contact 7PC which connects to a photometric signal transmission electrode 7n. On the other hand, the changeover switch 7P is not depressed and therefore the traveling contact piece 7P connecting to the photometric signal transmission electrode 11n of the adapter 11 connects to the stationary contact 7PB which connects to the stationary contact 7QB. Hence, even if the adapters 7, 11 are mounted by mistake, the flash device 13 may be controlled.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14689578A JPS5573038A (en) | 1978-11-28 | 1978-11-28 | Signal transmission device for camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14689578A JPS5573038A (en) | 1978-11-28 | 1978-11-28 | Signal transmission device for camera |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5573038A true JPS5573038A (en) | 1980-06-02 |
Family
ID=15417994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14689578A Pending JPS5573038A (en) | 1978-11-28 | 1978-11-28 | Signal transmission device for camera |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5573038A (en) |
-
1978
- 1978-11-28 JP JP14689578A patent/JPS5573038A/en active Pending
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