Gray code: Difference between revisions

Revision as of 01:07, 30 January 2025

Revision as of 01:08, 30 January 2025

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There are a number of binary codes similar to Gray codes, including:

* {{anchor|Datex}}Datex codes akaor Giannini codes (1954), as described by Carl P. Spaulding,<ref name="Spaulding_1954"/><ref name="Spaulding_1965"/><ref name="Wheeler_1969"/><ref name="Dokter-Steinhauer_1973"/><ref name="Dokter-Steinhauer_1975"/><ref name="MIL_1991"/> use a variant of [[#O'Brien II|O'Brien code&nbsp;II]].

* {{anchor|Varec}} Codes used by Varec (cac. 1954),<ref name="Varec_1954"/><ref name="Bishup-Repeta-Giarrizzo_1963"/><ref name="Whessoe_1993"/><ref name="Emerson"/> use a variant of [[#O'Brien I|O'Brien code I]] as well as base-12 and base-16 Gray code variants.

* {{anchor|Lucal|MRB}}Lucal code (1959)<ref name="Lucal_1959"/><ref name="Sellers-Hsiao-Bearnson_1968"/><ref name="Doran_2007"/> aka modified reflected binary code (MRB)<ref name="Lucal_1959"/><ref name="Sellers-Hsiao-Bearnson_1968"/><ref group="nb" name="NB_Modified"/>

* {{anchor|Gillham}}[[Gillham code]] (1961/1962),<ref name="Wheeler_1969"/><ref name="Wightman_1972"/><ref name="MIL_1991"/><ref name="Phillips_1998"/><ref name="Stewart_2010"/> uses a variant of [[#Datex|Datex]] code and [[#O'Brien II|O'Brien code&nbsp;II]].