Programmable range recognizer for a logic analyzer

Details Programmable range recognizer for a logic analyzer Programmable range recognizer for a logic analyzer

1981-11-27

1984-10-02

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

3401462, 364736, 371 67, 382 34, 382 57, G06K 900

Patent

active

044752377

ABSTRACT:
A programmable range recognizer produces a recognition signal whenever a digital word occurs within a specified closed range of digital words. Such a programmable range recognizer is useful for triggering or data qualification in a logic state analyzer. The range recognizer comprises a random-access memory divided into a plurality of sections, each for decoding a corresponding byte of the digital word, and a combination logic circuit for combining decoded bits to produce a recognition output.

REFERENCES:
patent: 3303463 (1967-02-01), Hamburgen
patent: 3492646 (1970-01-01), Bene et al.
patent: 3573730 (1971-04-01), Andrews et al.
patent: 4010445 (1977-03-01), Hoshino
patent: 4030068 (1977-06-01), Banz
patent: 4032885 (1977-06-01), Roth
patent: 4100532 (1978-07-01), Farnbach
patent: 4227175 (1980-10-01), Newman

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