diplexadj.

/ˈdʌɪplɛks/

Etymology: An arbitrary alteration of duplex after di- comb. form twice (Preece).

Telegraphy. Characterized by the passing of two messages simultaneously in the same direction. ‘Now (1895) properly restricted to the system whereby the transmission of one message is effected by means of a change in strength of current only, irrespective of direction, and that of the other by change of direction of the currents without reference to their strength’ (W. H. Preece).

ΘΚΠ

society > communication > telecommunication > [adjective] > types of system

multiplex1873

quadruplex1874

diplex1878

sextuplex1879

simplex1884

diode1886

hexode1886

tetrode1886

triode1886

octuplex1893

selective1906

quadded1914

multiplexed1964

muxed1991

1878 W. H. Preece in Post Office Official Techn. Instruct. Diplex telegraphy consists in sending two messages in the same direction at the same time.

1879 G. B. Prescott Speaking Telephone (new ed.) 346 Two messages may be sent over a single wire in the same or in opposite directions, and when we do not care to particularize either, we simply allude to them under the more common generic name of duplex transmission, which includes both. When, however, we wish to speak of either method by itself, we use the term diplex for simultaneous transmission in the same direction, and contraplex for that in opposite directions.

This entry has not yet been fully updated (first published 1896; most recently modified version published online June 2018).

单词	diplex
释义	diplexadj. /ˈdʌɪplɛks/ Etymology: An arbitrary alteration of duplex after di- comb. form twice (Preece). Telegraphy. Characterized by the passing of two messages simultaneously in the same direction. ‘Now (1895) properly restricted to the system whereby the transmission of one message is effected by means of a change in strength of current only, irrespective of direction, and that of the other by change of direction of the currents without reference to their strength’ (W. H. Preece). ΘΚΠ society > communication > telecommunication > [adjective] > types of system multiplex1873 quadruplex1874 diplex1878 sextuplex1879 simplex1884 diode1886 hexode1886 tetrode1886 triode1886 octuplex1893 selective1906 quadded1914 multiplexed1964 muxed1991 1878 W. H. Preece in Post Office Official Techn. Instruct. Diplex telegraphy consists in sending two messages in the same direction at the same time. 1879 G. B. Prescott Speaking Telephone (new ed.) 346 Two messages may be sent over a single wire in the same or in opposite directions, and when we do not care to particularize either, we simply allude to them under the more common generic name of duplex transmission, which includes both. When, however, we wish to speak of either method by itself, we use the term diplex for simultaneous transmission in the same direction, and contraplex for that in opposite directions. This entry has not yet been fully updated (first published 1896; most recently modified version published online June 2018). < adj.1878
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