Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Capable of simultaneous transmission or reception of two messages in the same radio channel or antenna.
from The Century Dictionary.
- Double: applied to a method of transmitting two messages in the same direction and at the same time over a single telegraph-line.
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Teleg.) Pertaining to the sending of two messages in the same direction at the same time.
Diplex andcontraplex are the two varieties of duplex.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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"diplex" -- that is to say, in one direction, simultaneously, as separate and distinct messages, over the one line.
Edison, His Life and Inventions Frank Lewis Dyer 1905
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This principle was covered by Edison's Patent No. 162,633, and was known as the "diplex" system, although, in the patent referred to, Edison showed and claimed the adaptation of the principle to duplex telegraphy.
Edison, His Life and Inventions Frank Lewis Dyer 1905
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M. SCHINDLER: It's in her medical records at M.diplex.
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He had improved his own diplex, combined it with the Stearns duplex and thereby produced a system by means of which four messages could be sent over a single line at the same time, two in each direction.
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This principle was covered by Edison's Patent No. 162,633, and was known as the ` ` diplex '' system, although, in the patent referred to, Edison showed and claimed the adaptation of the principle to duplex telegraphy.
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Edison followed up his work on the diplex and combined the two systems into the quadruplex, by means of which four messages could be sent and received simultaneously over the one wire, two in each direction, thus employing eight operators -- four at each end -- two sending and two receiving.
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Thus far we have referred to two systems, one the neutral or differential duplex, and the other the combination of the neutral and polar relays, making a diplex system.
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One of these applications2. 1 embraced an invention by which two messages could be sent not only duplex, or in opposite directions as above explained, but could also be sent ` ` diplex '' -- that is to say, in one direction, simultaneously, as separate and distinct messages, over the one line.
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Thus far we have referred to two systems, one the neutral or differential duplex, and the other the combination of the neutral and polar relays, making a diplex system.
Edison, His Life and Inventions Frank Lewis Dyer 1905
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Edison followed up his work on the diplex and combined the two systems into the quadruplex, by means of which FOUR messages could be sent and received simultaneously over the one wire, two in each direction, thus employing eight operators -- four at each end -- two sending and two receiving.
Edison, His Life and Inventions Frank Lewis Dyer 1905
hernesheir commented on the word diplex
Wow, diplex transmitting was the height of technology in its day. Now its eclipsed in today's terabyte jitterbug world of instant communications.
March 10, 2011