Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CONTROLLING METHOD AND DEVICE FOR DELIVERING FILM ROLL
Document Type and Number:
Japanese Patent JPH11130308
Kind Code:
A
Abstract:

To rewind a photographic film from a delivery shaft to a subsequent process smoothly and satisfactorily without being affected by the variation of the diameter of a foil roll.

This device is provided with a ultrasonic sensor 142, which detects the diameter of a film roll 14, a revolution detecting mechanism 144, which detects the fact that the film roll 14 made one revolution, a carried distance detecting mechanism 146, which detects the carried distance of a long film F being rewound from the film roll 14, and a control circuit 148, which controls the number of revolutions of a delivery motor 152, based on respective results of detection.


Inventors:
KARAKI HIDEYUKI
SUZUKI TOMOAKI
MISUMI YOSHINOBU
KANBARA TAKAYUKI
SATO SUSUMU
Application Number:
JP29915897A
Publication Date:
May 18, 1999
Filing Date:
October 30, 1997
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
G03C3/00; B65H23/182; (IPC1-7): B65H23/182; G03C3/00
Attorney, Agent or Firm:
Takehiro Chiba (1 outside)