Method and apparatus for compacting and decompacting character d

Details Method and apparatus for compacting and decompacting character d Method and apparatus for compacting and decompacting character d

1978-05-23

1980-04-29

Adams, Russell E.

354 5, 354 6, B41B 1904, B41B 2130

Patent

active

042003695

ABSTRACT:
There is described method and apparatus for use in phototypesetting operations wherein a character is scanned by a plurality of scans or strokes of a light spot output of a cathode ray tube (CRT) of the phototypesetting apparatus, and output signals derived from a photosensor device in response to the light spot, are compacted to be stored in a magnetic storage device. In particular, each stroke is examined to determine which method of a plurality of compacting methods will produce the smallest quantity of image data, thus requiring the minimum storage area within the storage device.

REFERENCES:
patent: 3816823 (1974-06-01), Manber
patent: 3886304 (1975-05-01), Scott et al.
patent: 3946407 (1976-03-01), Ishii et al.
patent: 4029947 (1977-06-01), Evans et al.
patent: 4038493 (1977-07-01), Richards

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