Communication device

Details Communication device Communication device

2006-07-04

2006-07-04

Taylor, Barry (Department: 2617)

Telecommunications

Carrier wave repeater or relay system

Transmitter/receiver feedback compensation

C455S078000, C455S278100, C455S296000

Reexamination Certificate

active

07072614

ABSTRACT:
Communication device comprising a transmitter and a receiver, coupled to antenna means respectively via a transmitter output and a receiver input. For an effective and reliable reduction of transmitter leakage signals occurring at the receiver input corrective signal means are being used, comprising transmitter leakage signal selective amplifying means for selectively amplifying said transmitter leakage signal provided with a transmitter signal reference input being coupled to the transmitter output, a transmitter leakage signal input being coupled to the receiver input and a transmitter leakage signal output being coupled to said transmitter leakage signal input for a negative feed back of said transmitter leakage signals.

REFERENCES:
patent: 4660042 (1987-04-01), Ekstrom
patent: 4954732 (1990-09-01), Surauer et al.
patent: 5444864 (1995-08-01), Smith
patent: 6067448 (2000-05-01), Ho et al.
patent: 6249687 (2001-06-01), Thomsen et al.
patent: 0390354 (1990-10-01), None

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