Title:
PICTURE READER
Document Type and Number:
Japanese Patent JPH02295374
Kind Code:
A
Abstract:
PURPOSE:To automatize operation by providing a means to turn on a lighting means when it is detected that a transmitting original is mounted to a mounting means. CONSTITUTION:When a film carrier 3006 mounting a transmitting original 3007 is inserted to a holder 3080, it is transmitted from a carrier detecting means 3085 to a controller 3039 that a carrier is mounted. Then, the controller 3039 controls a quantity of light for lamp control circuit 3050 and turns on a light source 3001 by a certain voltage. A mirror driving circuit 3045 is driven and a movable mirror 3008 is switched so that the image of a film can be projected through the movable mirror 3008, projecting lens 3011 and mirrors 3012 and 3013 on a screen 3014. Thus, the light source for lighting can be turned on only when it is required.
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Inventors:
SATO YUICHI
UTAGAWA TSUTOMU
SHIMIZU HIDEAKI
OMURA HIROSHI
UTAGAWA TSUTOMU
SHIMIZU HIDEAKI
OMURA HIROSHI
Application Number:
JP11703989A
Publication Date:
December 06, 1990
Filing Date:
May 10, 1989
Export Citation:
Assignee:
CANON KK
International Classes:
H04N5/253; H04N5/335; H04N5/361; H04N5/372; H04N5/378; (IPC1-7): H04N5/253; H04N5/335
Attorney, Agent or Firm:
Giichi Marushima (1 person outside)