Gray code

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Gray code

n
(Computer Science) a modification of a number system, esp a binary code, in which any adjacent pair of numbers, in counting order, differ in their digits at one position only, the absolute difference being the value 1
[named after Frank Gray, 20th-century American physicist]
References in periodicals archive ?
Grey Code snuck in reed player Butch Rovan, though nobody in Razzo Recital Hall complained, especially as Rovan, armed with a sensor-equipped clarinet, engaged in tonal jousts with guitarist Kevin Patton, himself packing an electronically tweaked ax.
This thin rotary switch can function as a five-bit encoder, a two-bit repeating grey code, or a selector switch.