Communications: electrical – Digital comparator systems
Patent
1974-11-01
1976-12-21
Zache, Raulfe B.
Communications: electrical
Digital comparator systems
340324M, 340166R, G06F 300, G08B 2300, H04Q 100
Patent
active
039991679
ABSTRACT:
Apparatus for generating a character pattern where the character pattern comprises a plurality of dots where certain ones of the dots fall within the character outline and others of the dots fall outside of the character outline, the apparatus comprising first storing means for storing preselected ones of the dots; decoder means responsive to at least some of the stored dots for reconstructing the dots not stored in the first storing means; pattern combining means responsive to the stored dots and the reconstructed dots for generating the character pattern therefrom whereby the memory capacity of the first storing means is lessened by having to store therein only the preselected ones of the dots; second storing means for storing the reconstructed dots; and the decoder means being further responsive to reconstructed dots previously stored in the second storing means for effecting the reconstruction of the dots not stored in the first storing means.
REFERENCES:
patent: 3769451 (1973-10-01), Connor
patent: 3786478 (1974-01-01), King, Jr.
patent: 3789386 (1974-01-01), Itoh
patent: 3824590 (1974-07-01), Limb
patent: 3873761 (1975-03-01), Bigelow et al.
patent: 3878536 (1975-04-01), Gilliam
Ii, L. B., "Video Data Compaction", IBM Technical Disclosure Bulletin, vol. 14, No. 10, Mar. 1972, pp. 3095-3098.
Hirasaki Takashi
Ito Masamichi
Sato Hiroshi
Baker Joseph J.
Ferguson Jr. Gerald J.
Fuji 'Xerox Co., Ltd.
Zache Raulfe B.
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