Image forming apparatus which reduces noise generated therefrom

Details Image forming apparatus which reduces noise generated therefrom Image forming apparatus which reduces noise generated therefrom

1991-12-19

1993-09-14

Picard, Leo P.

Photocopying

Contact printing

Light boxes

381 71, G03G 2100

Patent

active

052453855

ABSTRACT:
An image forming apparatus reduces the level of noise escaping therefrom via an opening. The noise is generated from a motor which drives an image forming part in the image forming apparatus, from a radiator fan which radiates heat inside the apparatus to the outside via the opening, and from an exhaust fan which passes harmful air through a filter and then exhausts harmless air to the outside via the opening. The image forming apparatus generates a predetermined sound wave and collides it with the noise so that the predetermined sound wave and noise cancel each other out.

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