Optical writing head

Details Optical writing head Optical writing head

1988-08-04

1990-05-29

Reynolds, Bruce A.

Recorders

Light or beam recording

Including record receiver or handling means therefor

350 9627, 357 72, 362800, G01D 942, G02B 608, H01L 2328

Patent

active

049299654

ABSTRACT:
An optical writing head which is simplified in construction and reduced in production cost. The optical writing head comprises a light emitting means, and a substrate on which the light emitting means is mounted. The substrate has a light transmitting property at a portion thereof which opposes to the light emitting means. Light emitted from the light emitting means is taken out through the substrate so that it may be irradiated upon a light receiving body. A fiber bundle may be provided with one end opposed to the light emitting means and with the other end opposed to an object for exposure. Where the head is of a type wherein it contacts with an object when it optically writes, the other end of the fiber bundle is formed into a curved face, but where the head is of another type wherein it does not contact with an object when writing, a gas blowing out means is provided to assure a gap between the other end of the fiber bundle and an object. A plurality of flexible printed circuits may be connected to the light emitting means in an opposing relationship to a light emitting portion of the light emitting means.

REFERENCES:
patent: 4478504 (1984-10-01), Tanaka
patent: 4549784 (1985-10-01), Inokuchi
patent: 4700206 (1987-10-01), Yamakawa
patent: 4820013 (1989-04-01), Fuse
patent: 4827290 (1989-05-01), Yoritomo

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