Photocopying – Including fiber optics
Patent
1984-12-17
1986-03-18
Prescott, A. C.
Photocopying
Including fiber optics
355 3CH, 355 14CH, 355 14E, 355 15, 355 67, G03G 1500
Patent
active
045764646
ABSTRACT:
A charge eliminating lamp device, for use in an electrostatic copying apparatus, comprising a light shielding frame member having a light transmission opening formed on that surface which faces the surface of an electrostatographic material, a plurality of selectively energizable illuminating lamps disposed within the light shielding frame member in spaced-apart relationship in the width direction of the electrostatographic material, and a plurality of inside edge restricting light shielding walls disposed within the light shielding frame member and positioned adjacent to the insides of the illuminating lamps respectively as viewed in said width direction. The charge eliminating lamp device includes selectively energizable auxiliary lamps disposed among said illuminating lamps as viewed in said width direction. Alternatively, a partitioning light shielding wall is disposed within the frame member extending in said width direction for partitioning the inside of the frame member into two sections in the moving direction of the electrostatographic material, and the illuminating lamps and the inside edge restricting light shielding walls are disposed alternately in one and the other of the two sections. Alternatively, auxiliary light transmission openings are formed in at least one of the front and rear walls of the frame member located frontwardly and rearwardly as viewed in the moving direction of the electrostatographic material.
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Hiraoka Hiroshi
Kozuka Nobuhiko
Sakata Hiromi
Mita Industrial Co. Ltd.
Prescott A. C.
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