JPS5685739A - Film feed checking device in camera provided with focal plane shutter - Google Patents

Film feed checking device in camera provided with focal plane shutter

Info

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
Application number
JP16166279A
Other languages
Japanese (ja)
Inventor
Hideo Kajita
Masashio Kitaura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Minolta Co Ltd
Original Assignee
Minolta Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP16166279A priority Critical patent/JPS5685739A/en
Publication of JPS5685739A publication Critical patent/JPS5685739A/en
Pending legal-status Critical Current

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
JP16166279A 1979-12-14 1979-12-14 Film feed checking device in camera provided with focal plane shutter Pending JPS5685739A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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