Radio. An early form of receiver similar to a coherer (coherer, n.), using a liquid electrolyte instead of metal filings. Now historical.
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| 释义 | society > communication > telecommunication > radio communications > radio equipment > [noun] > radio set > receiver (23) responder1900 Radio. An early form of receiver similar to a coherer (coherer, n.), using a liquid electrolyte instead of metal filings. Now historical. set1915 A piece of electrical or electronic apparatus, as a telephone, a telegraph receiver or transmitter, a radio or television receiver, etc. Also, a… receiver1930 An apparatus for receiving electromagnetic waves, or signals transmitted as electromagnetic waves; (Radio) a combined tuner and amplifier (without… Subcategories:— types of (10) — qualities of (2) — parts of (8) |
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