Telecommunications – Transmitter and receiver at separate stations
Patent
1994-08-25
1996-06-04
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at separate stations
455 541, 455 561, 455 89, H04Q 700
Patent
active
055242774
ABSTRACT:
A mobile radio communication apparatus includes a switch which outputs a strength of a received radio frequency signal or a power strength of a radio frequency signal in accordance with an input of a switch control signal supplied from a switch control circuit. The switch control signal is supplied during a transmission time slot allotted to the mobile radio communication apparatus by the base station so that the switch outputs the power strength of the radio frequency signals in the same period of the transmission time slot and the strength of a received radio frequency signals in the same period of an other time slot. The strength of the received radio frequency signals and the power strength of the radio frequency signals are supplied to an analog-to-digital converter which converts the applied signal into a digital signal and supplies the digitalized signal to a level detector. The level detector detects a level of the strength of the radio frequency signals and a level of the power strength of the radio frequency signals which are used for monitoring condition of a transmission and a reception of the radio communication apparatus.
REFERENCES:
patent: 5109538 (1992-04-01), Ikonen et al.
patent: 5276686 (1994-01-01), Ito
patent: 5390365 (1995-02-01), Enoki et al.
patent: 5396496 (1995-03-01), Ito et al.
patent: 5404579 (1995-04-01), Obayashi et al.
Tanaka Masayuki
Yoshioka Yuka
Banks-Harold Marsha D.
Eisenzopf Reinhard J.
Kabushiki Kaisha Toshiba
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