Moving apparatus for optical systems

Details Moving apparatus for optical systems Moving apparatus for optical systems

1988-12-22

1990-08-28

Arnold, Bruce Y.

Photocopying

Contact printing

Light boxes

350637, 355 61, G02B 2610

Patent

active

049520113

ABSTRACT:
A moving apparatus for an optical system is a duplicating machine is arranged as to effect a scanning operation of document images through the movement of two units of mirror platforms respectively. One of the platform moves at a scanning speed while the other platform moves at one half scanning speed. A stator for a polyphase brushless motor is provided along the moving direction of the apparatus on both the side portions of the moving region of each mirror platform. Two sets of rotors of core-less coils operatively react with the stator to form polyphase brushless linear motors. The mirror platforms are driven by the motors at their center of gravity.

REFERENCES:
patent: 4355883 (1982-10-01), Landa
patent: 4494866 (1985-01-01), Rattin et al.
patent: 4585331 (1986-04-01), Stoffel et al.
patent: 4634267 (1987-06-01), Jones et al.

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