Optical writing head with curved surface formed by one end of an

Details Optical writing head with curved surface formed by one end of an Optical writing head with curved surface formed by one end of an

1990-04-13

1991-09-03

Fuller, Benjamin R.

Recorders

Light or beam recording

Including record receiver or handling means therefor

346160, 385116, 385120, G01D 1514, G02B 608, B41J 246, B41J 608, H04N 1036

Patent

active

050458671

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 emission 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: 4378956 (1983-04-01), Lester
patent: 4506272 (1985-03-01), Arai
patent: 4549784 (1985-10-01), Inokuchi
patent: 4749120 (1988-06-01), Hatada
patent: 4820013 (1989-04-01), Fuse
patent: 4929965 (1990-05-01), Fuse

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