Multiple parallel source scanning device

Details Multiple parallel source scanning device Multiple parallel source scanning device

1998-06-02

2000-10-24

Le, Que T.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25022711, 250566, 23546233, H01J 314

Patent

active

06137105&

ABSTRACT:
An optical scanner employs a scanning head provided with an array of light-emitting apertures. According to one embodiment, for example, light is directed through wave-guides or optical fibers, embedded in the scanning head, to the apertures. The head is oscillated by a micro electromechanical systems (MEMS) motor. This generates a rapidly sweeping array of light spots on the scanned surface. Light is projected to a scanned surface and collected through the same apertures. In an alternate embodiment, scanning head is provided with separate optical fibers, one for each light spot. Each fiber is vibrated by a separate MEMS motor and individually oscillated in synchrony.

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