Electrical pulse counters – pulse dividers – or shift registers: c – Systems – Using particular code or particular counting sequence
Patent
1981-05-04
1983-10-04
Chin, Gary
Electrical pulse counters, pulse dividers, or shift registers: c
Systems
Using particular code or particular counting sequence
377116, H03K 2308
Patent
active
044083360
ABSTRACT:
A plurality of two stage Gray code counters are connected in series to generate a multiple bit pseudo Gray code count C.sub.0, C.sub.1, . . . , C.sub.7. A binary count B.sub.0, B.sub.1, . . . , B.sub.7 is then generated by using the odd subscripted bits C.sub.1, C.sub.3, C.sub.5, C.sub.7 of the pseudo Gray code as the binary count bits B.sub.1, B.sub.3, B.sub.5, B.sub.7 and generating the even subscripted bits of the binary count B.sub.0, B.sub.2, B.sub.4, B.sub.6 by Exclusive ORing the odd and even position counts of each two stage Gray code counter together in Exclusive OR circuits.
REFERENCES:
patent: 2922151 (1960-01-01), Reiling
patent: 3349332 (1967-10-01), Bleickardt
patent: 3373421 (1968-03-01), Wang
patent: 3515341 (1970-06-01), Frick
patent: 3588461 (1971-06-01), Halsall
patent: 4264807 (1981-04-01), Moen et al.
Chin Gary
International Business Machines Corp.
Murray James E.
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