Communications: electrical – Digital comparator systems
Patent
1978-02-03
1979-12-25
Boudreau, Leo H.
Communications: electrical
Digital comparator systems
358256, G06K 900
Patent
active
041807987
ABSTRACT:
A character recognition and communication system, wherein a character appearing on a document is converted into a character image signal at a transmission terminal including, for example, a facsimile scanner and transmitted to the prescribed center, after the character represented by the image signal is identified by a communication network including switching equipment; the communication network comprises a plurality of switching units, and the corresponding recognition control units and character recognition units all scattered throughout said network and connected together by a common interconnection circuit; and the plural character recognition units recognize characters by different processes, have a complementary relationship with each other and recognize with high precision various kinds of characters supplied from a plurality of terminals and transmit the recognized characters to the corresponding centers.
REFERENCES:
patent: 3200194 (1965-08-01), Raminow
patent: 3487371 (1969-12-01), Frank
patent: 3582884 (1971-06-01), Shepard
patent: 3764980 (1973-10-01), Dansac et al.
patent: 3895350 (1975-07-01), De Vries
patent: 3949363 (1976-04-01), Holm
patent: 4032887 (1977-06-01), Roberts
Kaiyoh Hirofumi
Komori Kazuaki
Boudreau Leo H.
Nippon Telegraph & Telephone Public Corporation
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