High density optical recording apparatus

Details High density optical recording apparatus High density optical recording apparatus

1974-10-24

1977-06-28

Hartary, Joseph W.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

350255, 356106R, G01D 1800

Patent

active

040329275

ABSTRACT:
A high density optical recording apparatus provided with a light sensitive member adapted to make concave and convex records in response to beams. A recording medium is placed on the disc and a shaft axially secured to the disc is rotated by means of a motor to turn the recording medium together with the disc. An interference optical system is provided to strictly maintain the relative position between the recording optical system and the recording medium. A floating body provided with a plurality of floaters is adapted to be floated by an air flow generated when the recording medium is turned.

REFERENCES:
patent: 3081682 (1963-03-01), Khoury
patent: 3506361 (1970-04-01), Erickson
patent: 3511149 (1970-05-01), Blattner et al.
patent: 3614456 (1971-10-01), Hamisch
patent: 3716845 (1973-02-01), Chaffin
patent: 3905703 (1975-09-01), Matsumoto
Max, E., Measuring of Distance Between Head and Disk, IBM Tech. Disc. Bulletin, vol. 12, No. 11, Apr. 1970, p. 1750.

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