Plural-beam scanning apparatus

Details Plural-beam scanning apparatus Plural-beam scanning apparatus

1983-06-15

1986-02-18

Corbin, John K.

G02B 2717

Patent

active

045710210

ABSTRACT:
This specification discloses a plural-beam scanning apparatus in which the directions of light emission of light-emitting portions such as semiconductor lasers or light-emitting diodes are determined so that the central rays of light beams emitted from the light-emitting portions are emitted as if they originate from or pass through substantially the same point as viewed from a direction perpendicular to the deflection scan plane and which has a deflector for deflecting a plurality of light beams from the light source unit at one time and optical means for making said same point and a point near the deflecting-reflecting surface of the deflector optically conjugate.

REFERENCES:
patent: 4474422 (1984-10-01), Kitamura

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