JPS55115034A - Automatic stopping system of projector - Google Patents

Automatic stopping system of projector

Info

Publication number
JPS55115034A
JPS55115034A JP6033079A JP6033079A JPS55115034A JP S55115034 A JPS55115034 A JP S55115034A JP 6033079 A JP6033079 A JP 6033079A JP 6033079 A JP6033079 A JP 6033079A JP S55115034 A JPS55115034 A JP S55115034A
Authority
JP
Japan
Prior art keywords
film
sprocket
projector
sensors
counter
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
JP6033079A
Other languages
Japanese (ja)
Inventor
Ichiro Nakayama
Masaru Inoue
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.)
SANWA DENKI KK
Original Assignee
SANWA DENKI KK
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 SANWA DENKI KK filed Critical SANWA DENKI KK
Priority to JP6033079A priority Critical patent/JPS55115034A/en
Publication of JPS55115034A publication Critical patent/JPS55115034A/en
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Cameras Including Film Mechanisms (AREA)

Abstract

PURPOSE: To surely and automatically stop the projector at the end of projection of film by providing two film sensors on film running path.
CONSTITUTION: Film sensors 21, 22 are disposed near a sprocket 6 and a sound sprocket 13, respectively, and are connected to a microcomputer. Then, at the time when the film 4 from a feed reel 2 is taken up on a take-up reel 3 by way of the sprocket 6, loop setter 7, gate part 8, aperture part 9, recorder-reproducer 11, constant speed feed mechanism 12, sound sprocket 13, etc., a counter 24 counts and displays the film travel amount and the films sensors 21, 22 go ON when the film 4 exists and go OFF when not. Hence, when the film sensors 21, 22 are both OFF and ten thousand place of the counter 24 is not F then it is decided as the end of projection and the projector is automatically stopped.
COPYRIGHT: (C)1980,JPO&Japio
JP6033079A 1979-05-18 1979-05-18 Automatic stopping system of projector Pending JPS55115034A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6033079A JPS55115034A (en) 1979-05-18 1979-05-18 Automatic stopping system of projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6033079A JPS55115034A (en) 1979-05-18 1979-05-18 Automatic stopping system of projector

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2078379A Division JPS55113026A (en) 1979-02-26 1979-02-26 Automatic operation system of projector

Publications (1)

Publication Number Publication Date
JPS55115034A true JPS55115034A (en) 1980-09-04

Family

ID=13139040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6033079A Pending JPS55115034A (en) 1979-05-18 1979-05-18 Automatic stopping system of projector

Country Status (1)

Country Link
JP (1) JPS55115034A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58196533A (en) * 1982-05-13 1983-11-16 Fuji Photo Optical Co Ltd Camera having electrically driven winder for film

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58196533A (en) * 1982-05-13 1983-11-16 Fuji Photo Optical Co Ltd Camera having electrically driven winder for film

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