triplex system

triplex system

[′tri‚pleks ‚sis·təm]
(communications)
Telegraph system in which two messages in one direction and one message in the other direction can be sent simultaneously over a single circuit.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Examination of the surface morphology of the alkyd triplex system by SEM after NET revealed that the degradation of the binder resulted in irregular surface and erosion of pigments on the surface.
David Shafer, of Shafer Plastic Surgery is a double-board certified plastic surgeon in New York who has performed Smartlipo for four years, and recently updated to the Smartlipo Triplex system because of the added features.
Because of this, the steel and nonferrous investment casting facility approached Triplex Systems Inc., St Paul, Minn., a supplier of cleaning and cutting systems.
"After doing the research, analysis and site visits, all roads led to Triplex Systems."