JPS57142628A - Counter device - Google Patents

Counter device

Info

Publication number
JPS57142628A
JPS57142628A JP2817481A JP2817481A JPS57142628A JP S57142628 A JPS57142628 A JP S57142628A JP 2817481 A JP2817481 A JP 2817481A JP 2817481 A JP2817481 A JP 2817481A JP S57142628 A JPS57142628 A JP S57142628A
Authority
JP
Japan
Prior art keywords
counter
patrone
film
photographing
switch
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
JP2817481A
Other languages
Japanese (ja)
Inventor
Hiroyuki Kimura
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2817481A priority Critical patent/JPS57142628A/en
Priority to US06/347,048 priority patent/US4504131A/en
Publication of JPS57142628A publication Critical patent/JPS57142628A/en
Priority to US07/070,108 priority patent/US4816852A/en
Pending legal-status Critical Current

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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/42—Interlocking between shutter operation and advance of film or change of plate or cut-film
    • G03B17/425—Interlocking between shutter operation and advance of film or change of plate or cut-film motor drive cameras

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)

Abstract

PURPOSE:To make it easy to obtain an alarm signal for unphotographable parts by cooperating the resetting of a counter to a position S cooperatively with the removal of a patrone in a camera which prewinds a film and performs photographing by rewinding the film by each frame. CONSTITUTION:While a patrone 35 is not loaded, a counter reset lever 48 turns counterclockwise and a switch 47 and a counter driving gear 20 are held disengaged from a counter. A counter plate is held reset to the position S. When the patrone is loaded, said reset lever turns clockwise. When a rear cover is closed and a motor 1 winds a spool 13 fully after this, the counter indicates the number of photographing sheets, and subtracts the frames by each on at every rewinding of the film on account of photographing. When the remaining number of films decreases, a switch operating plate 22 operates the switch 47, thereby giving an alarm. In spite of the occurrence of an accident in which the rear cover opens on the way, the counter operates normally.
JP2817481A 1981-02-13 1981-02-27 Counter device Pending JPS57142628A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2817481A JPS57142628A (en) 1981-02-27 1981-02-27 Counter device
US06/347,048 US4504131A (en) 1981-02-13 1982-02-08 Camera
US07/070,108 US4816852A (en) 1981-02-13 1987-07-06 Camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2817481A JPS57142628A (en) 1981-02-27 1981-02-27 Counter device

Publications (1)

Publication Number Publication Date
JPS57142628A true JPS57142628A (en) 1982-09-03

Family

ID=12241359

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2817481A Pending JPS57142628A (en) 1981-02-13 1981-02-27 Counter device

Country Status (1)

Country Link
JP (1) JPS57142628A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61167626U (en) * 1985-04-08 1986-10-17
JPH01172882U (en) * 1988-05-24 1989-12-07

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61167626U (en) * 1985-04-08 1986-10-17
JPH01172882U (en) * 1988-05-24 1989-12-07
JPH0541755Y2 (en) * 1988-05-24 1993-10-21

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