Multiplex communications – Wide area network – Packet switching
Patent
1991-11-15
1993-11-30
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 24, 455 86, H04B 156, H04L 514
Patent
active
052672336
ABSTRACT:
The apparatus is a radio set wherein a first auxiliary oscillator is provided in the transmission device which is connected to the transmission mixer and during the reception operation, the transmission path between the transmission mixer and the main local oscillator is interrupted by a switch device. The switching off of the transmission frequency can also be achieved in that the transmission path between the transmission mixer and the first auxiliary oscillator is interrupted or between the transmission mixer and the power supply device of the radio set.
REFERENCES:
patent: 2985753 (1961-05-01), Goodreau
patent: 3153194 (1964-10-01), Orwin et al.
patent: 3300720 (1967-01-01), Kowols
patent: 4231116 (1980-10-01), Sekiguchi et al.
patent: 4525835 (1985-06-01), Vance et al.
patent: 4542531 (1985-09-01), Fukumura
patent: 5123008 (1992-06-01), Beesley
Grundig E.M.V.
Hsu Alpus H.
Olms Douglas W.
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