JPS5685739A - Film feed checking device in camera provided with focal plane shutter - Google Patents
Film feed checking device in camera provided with focal plane shutterInfo
- Publication number
- JPS5685739A JPS5685739A JP16166279A JP16166279A JPS5685739A JP S5685739 A JPS5685739 A JP S5685739A JP 16166279 A JP16166279 A JP 16166279A JP 16166279 A JP16166279 A JP 16166279A JP S5685739 A JPS5685739 A JP S5685739A
- Authority
- JP
- Japan
- Prior art keywords
- film
- opening
- photodetector
- focal plane
- pass
- 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
- Indication In Cameras, And Counting Of Exposures (AREA)
Abstract
PURPOSE: To make possible the checking of feeding of a film by providing a light emitting means and a photodetecting means disposed in the relative positions sandwiching film perforations and so arranging the device that the focal plane shutter does not hamper the incidence of rays during light emission operation.
CONSTITUTION: An opening 1b is provided to the guide plate 1a on the lower side of the passage of a film 4 of a camera body 1, then a light emitting element 6 is provided facing the opening 1b in the camera body and a photodetector 7 on the back of the opening 5a opened in a film pressure plate 5. The rays emitted from the light emitting element 6 pass said opening 1b, pass the perforation 4a of the film 4 and pass the opening 5a of the pressure plate 5 then enter the photodetector 7. With such a constitution, the pulse signal as shown in W of the figure is generated in the photodetector 7 every time when the film 4 is fed and its perforation 4a passes between the openings 1b and 5a.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16166279A JPS5685739A (en) | 1979-12-14 | 1979-12-14 | Film feed checking device in camera provided with focal plane shutter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16166279A JPS5685739A (en) | 1979-12-14 | 1979-12-14 | Film feed checking device in camera provided with focal plane shutter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5685739A true JPS5685739A (en) | 1981-07-13 |
Family
ID=15739441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16166279A Pending JPS5685739A (en) | 1979-12-14 | 1979-12-14 | Film feed checking device in camera provided with focal plane shutter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5685739A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03273228A (en) * | 1990-09-25 | 1991-12-04 | Seiko Epson Corp | Camera provided with data imprinting function |
-
1979
- 1979-12-14 JP JP16166279A patent/JPS5685739A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03273228A (en) * | 1990-09-25 | 1991-12-04 | Seiko Epson Corp | Camera provided with data imprinting function |
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