white transmission

white transmission

[′wīt tranz′mish·ən]
(communications)
In an amplitude-modulated system, that form of transmission in which the maximum transmitted power corresponds to the minimum density of the subject copy.
In a frequency-modulation system, that form of transmission in which the lowest transmitted frequency corresponds to the minimum density of the subject copy.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The TBX1000 Black and White transmission densitometers from Tobias Associates Inc., Ivyland, Pa., feature a wide measuring range that allows evaluation of many types of films, laminates, and substrates.
(6) The instruments used to read these films are an Ihara model R710 color reflection densitometer (Figure 2) (7) an Ihara model T500 black and white transmission densitometer, (7) and an FWT model FWT-91R radiachromic reader.