What does telegraph, duplex, differential mean?
Definitions for telegraph, duplex, differential
tele·graph, du·plex, dif·fer·en·tial
This dictionary definitions page includes all the possible meanings, example usage and translations of the word telegraph, duplex, differential.
The Standard Electrical Dictionary
Telegraph, Duplex, Differential
A system of duplex telegraphy employing the differential action of two exciting or magnetizing coils. The general principles are the following. Suppose that at each of two stations, there is a magnet working as a sounder or relay. Each magnet is differentially wound, with two coils of opposite direction, of identical number of turns. When the sending key at a station A is depressed two exactly equal currents go through the magnet in opposite directions. One called the compensation current goes to the earth at the stations. The other called the line current goes through the line, through the line coil of the distant station E, thereby actuating the relay or sounder armature. The instrument of the sender A is unaffected because he is sending opposite and equal currents through its two coils. A special resistance is provided on the compensation circuit for keeping the currents exactly equal in effect. Nothing the sender at A does affects his own instrument. Now suppose E desires to telegraph back at the same time that A is telegraphing to his station. He works his key. This does not affect his own instrument except by sending the equal and opposite currents through its coils. When his key is depressed and A's key is untouched, he works A's receiving instrument. When A's key is depressed simultaneously with B's key, the two line currents are in opposition and neutralize each other. This throws out the balance in the instruments and both armatures are attracted by the compensation currents left free to act by the neutralization of the line currents.
Numerology
Chaldean Numerology
The numerical value of telegraph, duplex, differential in Chaldean Numerology is: 6
Pythagorean Numerology
The numerical value of telegraph, duplex, differential in Pythagorean Numerology is: 4
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"telegraph, duplex, differential." Definitions.net. STANDS4 LLC, 2024. Web. 24 Apr. 2024. <https://www.definitions.net/definition/telegraph%2C+duplex%2C+differential>.
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