JPS5789739A - Film advance system of camera - Google Patents

Film advance system of camera

Info

Publication number
JPS5789739A
JPS5789739A JP16611280A JP16611280A JPS5789739A JP S5789739 A JPS5789739 A JP S5789739A JP 16611280 A JP16611280 A JP 16611280A JP 16611280 A JP16611280 A JP 16611280A JP S5789739 A JPS5789739 A JP S5789739A
Authority
JP
Japan
Prior art keywords
back cover
film
camera
turned
exposed
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
JP16611280A
Other languages
Japanese (ja)
Inventor
Kunihiko Araki
Susumu Iguchi
Tadafumi Oguro
Yoshimi Ono
Koichi Nishi
Yoshio Fukushima
Satoshi Yamane
Hirobumi Horigome
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP16611280A priority Critical patent/JPS5789739A/en
Priority to US06/323,686 priority patent/US4460256A/en
Priority to DE19813146924 priority patent/DE3146924A1/en
Publication of JPS5789739A publication Critical patent/JPS5789739A/en
Priority to US06/839,045 priority patent/USRE32850E/en
Priority to US07/204,011 priority patent/USRE33436E/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)
  • Details Of Cameras Including Film Mechanisms (AREA)

Abstract

PURPOSE:To prevent an unexposed film from being exposed in a camera wherein a film is wound preliminarily and then rewound in a cartridge on every shot, by turning off a power source manually or in interlocking with a back cover. CONSTITUTION:A power switch SW0, while turned on and off manually, is interlocked with a back cover and, when the back cover is opened, is turned off. Therefore, even when a film is loaded, neither a logical circuit nor a motor driving circuit operates unless the back cover is closed. Consequently, an unexposed film is prevented from being exposed owing to erroneous preliminary winding.
JP16611280A 1980-11-26 1980-11-26 Film advance system of camera Pending JPS5789739A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP16611280A JPS5789739A (en) 1980-11-26 1980-11-26 Film advance system of camera
US06/323,686 US4460256A (en) 1980-11-26 1981-11-20 Film feeding system of a camera
DE19813146924 DE3146924A1 (en) 1980-11-26 1981-11-26 FILM TRANSPORT SYSTEM FOR A CAMERA
US06/839,045 USRE32850E (en) 1980-11-26 1986-01-31 Film feeding system of a camera
US07/204,011 USRE33436E (en) 1980-11-26 1988-06-08 Film feeding system of a camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16611280A JPS5789739A (en) 1980-11-26 1980-11-26 Film advance system of camera

Publications (1)

Publication Number Publication Date
JPS5789739A true JPS5789739A (en) 1982-06-04

Family

ID=15825237

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16611280A Pending JPS5789739A (en) 1980-11-26 1980-11-26 Film advance system of camera

Country Status (1)

Country Link
JP (1) JPS5789739A (en)

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