Gray coden.

Brit.

/ˌɡreɪ ˈkəʊd/, U.S.

/ˈɡreɪ ˈkoʊd/

Origin: From a proper name, combined with an English element. Etymons: proper name Gray , code n.

Etymology: < the name of Frank Gray (1887–1969), U.S. physicist, who invented the code ( U.S. Patent 2,632,058 (1947)) + code n.

Telecommunications and Computing.

A code in which consecutive integers are represented by binary numbers differing in only one digit, used to reduce transmission errors.

ΘΚΠ

society > computing and information technology > [noun] > numerical representation

Gray code1954

1954 Electr. Manufacturing Mar. 158/3 Computers used with the code wheel are based on a binary, rather than a decimal system... As a prevention against ambiguity, the so-called ‘Gray code’—a special binary system—is employed.

1968 Jrnl. Inst. Actuaries 94 373 Changing from one portfolio to the next by just adding or omitting a single project, on the principle of the binary Gray code.

1987 Electronics & Wireless World Jan. 42/3 Gray codes..were first developed for use on shaft encoders, or for work with rotating parts where the angle of rotation had to be controlled accurately.

2005 W. Kester Data Conversion Handbk. ii. 62 The Gray code has the property that adjacent levels differ by only one digit.

This entry has been updated (OED Third Edition, December 2013; most recently modified version published online March 2022).

单词	gray code
释义	Gray coden. Brit. /ˌɡreɪ ˈkəʊd/, U.S. /ˈɡreɪ ˈkoʊd/ Origin: From a proper name, combined with an English element. Etymons: proper name Gray , code n. Etymology: < the name of Frank Gray (1887–1969), U.S. physicist, who invented the code ( U.S. Patent 2,632,058 (1947)) + code n. Telecommunications and Computing. A code in which consecutive integers are represented by binary numbers differing in only one digit, used to reduce transmission errors. ΘΚΠ society > computing and information technology > [noun] > numerical representation Gray code1954 1954 Electr. Manufacturing Mar. 158/3 Computers used with the code wheel are based on a binary, rather than a decimal system... As a prevention against ambiguity, the so-called ‘Gray code’—a special binary system—is employed. 1968 Jrnl. Inst. Actuaries 94 373 Changing from one portfolio to the next by just adding or omitting a single project, on the principle of the binary Gray code. 1987 Electronics & Wireless World Jan. 42/3 Gray codes..were first developed for use on shaft encoders, or for work with rotating parts where the angle of rotation had to be controlled accurately. 2005 W. Kester Data Conversion Handbk. ii. 62 The Gray code has the property that adjacent levels differ by only one digit. This entry has been updated (OED Third Edition, December 2013; most recently modified version published online March 2022). < n.1954
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