Radio transmitter and receiver

Telecommunications – Transmitter and receiver at same station – With transmitter-receiver switching or interaction prevention

Reexamination Certificate

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Details

C455S075000, C455S082000, C455S083000, C455S084000

Reexamination Certificate

active

07095985

ABSTRACT:
Radio transceiver, in particular, a mobile telephone having a transmitter output stage, a receiver part, a transmission/reception antenna which is assigned jointly to the transmitter output stage and the receiver part, a transmission band-transmitting filter and a reception band-transmitting filter, having a compensation element, connected between the output of the transmitter output stage and the input of the receiver part, for compensating crosstalk of a transmission signal element onto the receiver part.

REFERENCES:
patent: 3696429 (1972-10-01), Tressa
patent: 4535476 (1985-08-01), Carlin
patent: 5444864 (1995-08-01), Smith
patent: 5991605 (1999-11-01), Rapeli
patent: 6006112 (1999-12-01), Rucki et al.
patent: 6289205 (2001-09-01), Pollanen et al.

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