Telecommunications – Transmitter – Diversity
Reexamination Certificate
2007-06-04
2010-12-14
Maung, Nay A (Department: 2618)
Telecommunications
Transmitter
Diversity
C343S876000, C455S013300, C455S063300
Reexamination Certificate
active
07853222
ABSTRACT:
The invention relates to a switch with selective isolation and also to a switching device with selective isolation for multimedia terminals. The switch formed by 2 transistors (T1, T2) is feedback controlled by a feedback control signal V tune at a pre-defined frequency thus guaranteeing the selective isolation at this frequency. The switching device for switching the transmission/receiver channels of a multimedia terminal is formed by selective isolation switches that can be integrated using MMIC technology.
REFERENCES:
patent: 5969560 (1999-10-01), Kohama et al.
patent: 6023615 (2000-02-01), Bruckert et al.
patent: 6961545 (2005-11-01), Tehrani et al.
patent: 2007/0072561 (2007-03-01), Weber et al.
patent: 0 625 831 (1994-11-01), None
patent: 0 720 292 (1996-03-01), None
patent: 0 978 949 (2000-02-01), None
Le Naour Jean-Yves
Minard Philippe
Robert Jean-Luc
Maung Nay A
Navon Jeffrey M.
Perez Angelica M
SHedd Robert D.
Thomson Licensing
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