JPS56123524A - Film winding-up device - Google Patents
Film winding-up deviceInfo
- Publication number
- JPS56123524A JPS56123524A JP2714580A JP2714580A JPS56123524A JP S56123524 A JPS56123524 A JP S56123524A JP 2714580 A JP2714580 A JP 2714580A JP 2714580 A JP2714580 A JP 2714580A JP S56123524 A JPS56123524 A JP S56123524A
- Authority
- JP
- Japan
- Prior art keywords
- ratchet
- film
- counting mechanism
- perforation passes
- revolution
- 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
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B1/00—Film strip handling
- G03B1/60—Measuring or indicating length of the used or unused film; Counting number of exposures
- G03B1/62—Measuring or indicating length of the used or unused film; Counting number of exposures involving locking or stop-motion devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Cameras Including Film Mechanisms (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
Abstract
PURPOSE:To enable wind-up of film accurately, by providing the locking mechanism which meshes to a ratchet when the number of perforation passes reaches a given number and blocks the revolution of the ratchet. CONSTITUTION:The device is provided with a ratchet 4 fitted coaxially to the film winding-up shaft 1 and the counting mechanism which detects the number of perforation passes moved with the wind-up of film and count the number. The counting mechanism consists of a unidirectional member 21 and an operating member 10. When the number of perforation passes counted with this counting mechanism reaches a given number, the locking mechanism which consists of a stop lever 26 and a holding lever 30 latches with the ratchet with it and blocks the revolution of the ratchet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2714580A JPS56123524A (en) | 1980-03-04 | 1980-03-04 | Film winding-up device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2714580A JPS56123524A (en) | 1980-03-04 | 1980-03-04 | Film winding-up device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56123524A true JPS56123524A (en) | 1981-09-28 |
Family
ID=12212879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2714580A Pending JPS56123524A (en) | 1980-03-04 | 1980-03-04 | Film winding-up device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56123524A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0745888A2 (en) * | 1995-06-01 | 1996-12-04 | Canon Kabushiki Kaisha | Camera with means for magnetic recording on film and film positioning means |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49121524A (en) * | 1973-03-20 | 1974-11-20 | ||
JPS5370430A (en) * | 1976-12-03 | 1978-06-22 | Minolta Camera Co Ltd | Safety switch device for electromagnetic release camera |
-
1980
- 1980-03-04 JP JP2714580A patent/JPS56123524A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49121524A (en) * | 1973-03-20 | 1974-11-20 | ||
JPS5370430A (en) * | 1976-12-03 | 1978-06-22 | Minolta Camera Co Ltd | Safety switch device for electromagnetic release camera |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0745888A2 (en) * | 1995-06-01 | 1996-12-04 | Canon Kabushiki Kaisha | Camera with means for magnetic recording on film and film positioning means |
EP0745888A3 (en) * | 1995-06-01 | 1998-07-29 | Canon Kabushiki Kaisha | Camera with means for magnetic recording on film and film positioning means |
US6049678A (en) * | 1995-06-01 | 2000-04-11 | Canon Kabushiki Kaisha | Camera preventing film movement in stopped state |
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