JPS5789733A - Film advancing system of camera - Google Patents

Film advancing system of camera

Info

Publication number
JPS5789733A
JPS5789733A JP16610680A JP16610680A JPS5789733A JP S5789733 A JPS5789733 A JP S5789733A JP 16610680 A JP16610680 A JP 16610680A JP 16610680 A JP16610680 A JP 16610680A JP S5789733 A JPS5789733 A JP S5789733A
Authority
JP
Japan
Prior art keywords
film
level
camera
counter
loaded
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
JP16610680A
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 JP16610680A priority Critical patent/JPS5789733A/en
Priority to US06/323,686 priority patent/US4460256A/en
Priority to DE19813146924 priority patent/DE3146924A1/en
Publication of JPS5789733A publication Critical patent/JPS5789733A/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

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B17/00Details of cameras or camera bodies; Accessories therefor
    • G03B17/42Interlocking between shutter operation and advance of film or change of plate or cut-film
    • G03B17/425Interlocking 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 detect a film being loaded improperly by providing a circuit, which generates an inverted output when a counter stops counting during advancing operation, to a camera which takes up a film completely first and rewinds the film in a cartridge on every shot. CONSTITUTION:An invented camera is a preliminary winding type motor driving camera which detects film length automatically to protect an exposed film against an accident. When a film is loaded and a back cover is closed, a power switch SW0, a counter swith SW5 and a mode switch SWc are still closed. When the film is loaded normally, the switch SW2 is opened coupling with a counter; and then, a gate OR holds itself at a level H, and an NAND4 holds itself at a level L to energize a relay RL2 and also to make a motor M reverse continuously (winding). When the loading is abnormal, on the other hand, the output of a 2.5sec timer TM1 goes up to a level L and the output of the NAND4 is inverted to a level H, so the motor stops, displaying abnormal film loading by an alarm AL.
JP16610680A 1980-11-26 1980-11-26 Film advancing system of camera Pending JPS5789733A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP16610680A JPS5789733A (en) 1980-11-26 1980-11-26 Film advancing 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
JP16610680A JPS5789733A (en) 1980-11-26 1980-11-26 Film advancing system of camera

Publications (1)

Publication Number Publication Date
JPS5789733A true JPS5789733A (en) 1982-06-04

Family

ID=15825121

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16610680A Pending JPS5789733A (en) 1980-11-26 1980-11-26 Film advancing system of camera

Country Status (1)

Country Link
JP (1) JPS5789733A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60131529A (en) * 1983-12-20 1985-07-13 Ricoh Co Ltd Winding and rewinding mechanism for film
JPS60131528A (en) * 1983-12-20 1985-07-13 Ricoh Co Ltd Switching metchanism for film feed mode

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60131529A (en) * 1983-12-20 1985-07-13 Ricoh Co Ltd Winding and rewinding mechanism for film
JPS60131528A (en) * 1983-12-20 1985-07-13 Ricoh Co Ltd Switching metchanism for film feed mode

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