Telecommunications – Transmitter and receiver at same station – With transmitter-receiver switching or interaction prevention
Reexamination Certificate
2005-12-20
2005-12-20
Corsaro, Nick (Department: 2682)
Telecommunications
Transmitter and receiver at same station
With transmitter-receiver switching or interaction prevention
C455S078000, C455S338000, C327S381000, C327S379000, C327S564000, C327S565000
Reexamination Certificate
active
06978122
ABSTRACT:
A high frequency switching device includes a control terminal, a power source terminal, a GND terminal, an RF terminal, a switch section, a control section, and protecting diodes. The switch section switches input/output routes of an RF signal input from the RF terminal. The control section controls the switching section, and is connected to the control terminal and the power source terminal. The protecting diodes are provided between the control terminal and the RF terminal, between the control terminal and the GND terminal, and between the power source terminal and the GND terminal.
REFERENCES:
patent: 5880621 (1999-03-01), Ohashi
patent: 6847275 (2005-01-01), Sayanagi et al.
patent: 2001/0009387 (2001-07-01), Isono et al.
Kaneta Naotaka
Kawakyu Katsue
Corsaro Nick
Persino Raymond B.
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