Communications: electrical – Continuously variable indicating – With meter reading
Patent
1981-12-30
1984-03-13
Brown, Thomas W.
Communications: electrical
Continuously variable indicating
With meter reading
179 18GF, 179 18FC, 307257, H03K 1700, H04Q 352
Patent
active
044370962
ABSTRACT:
A bilateral, low loss, wide band, concentrator circuit selectively controls the transfer of a signal between one of a plurality of first terminals and a single, second terminal. The balance points of each of a plurality of bilateral current gates connect to one of the first terminals and to the second terminal. A floating power supply and selection switches selectively forward bias one of the bilateral current gates so it operates as a modulator in which the signal to be switched is modulated onto the bias current thereby to form a low-loss, wide-band path between the selected first terminal and the second terminal.
REFERENCES:
patent: 2866103 (1958-12-01), Blake et al.
patent: 3098214 (1963-07-01), Windes et al.
patent: 3737680 (1973-06-01), Uchida
patent: 3796894 (1974-03-01), Marchetti et al.
patent: 3973143 (1976-08-01), Embree et al.
"High Voltage Crosspoint Device for Line Concentrator Mounted on the Ceramic Board with Crossover Capacitance", Yoshino et al., International Switching Symposium (Paris), May 7-11, 1979, pp. 660-666.
"Electronic Replacements for Relays", A. W. Sweet, Electrical Communication, vol. 54, No. 1, 1979, pp. 51-55.
Brightman Barrie
Niertit Frank
Brown Thomas W.
Stromberg-Carlson Corp.
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