Character position detector

Details Character position detector Character position detector

1977-06-24

1978-10-24

Boudreau, Leo H.

Communications: electrical

Digital comparator systems

3401463MA, G06K 904

Patent

active

041224434

ABSTRACT:
In a character recognition system lines of data are stored in a line memory. This data is then accessed by a hardware implemented character position detector over a special line memory bus, i.e., a LM-bus. The detector searches the memory for the margins of characters and can also perform a count of the black points or character points within the margins. The position detector is activated by a system controller over a B-bus, but once started by the controller it will run on autonomously until it has completed its task, thereby leaving the processor and the B-bus available for other functions.

REFERENCES:
patent: 3295105 (1966-12-01), Gray et al.
patent: 3462737 (1969-08-01), Malaby
patent: 3710323 (1973-01-01), Andrews et al.
patent: 3761876 (1973-09-01), Flaherty et al.
patent: 3781799 (1973-12-01), Robinson
patent: 4034343 (1977-07-01), Wilmer
Bond et al., "Video Pattern Preprocessor for Software Character Rec.," IBM Tech. Disclosure Bulletin, vol. 15, No. 8, Jan., 1973, p. 2445.

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