Daily Almanac for
Nov 30, 2009
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mechan'ical scan'ning




1. Electronics.a technique for varying the sector covered by a transmitting or receiving antenna by rotating it.
2. Television.a technique, formerly used in televising, for scanning by means of a scanning disk. Cf. electrical scanning.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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