Telecommunications – Receiver or analog modulated signal frequency converter – With wave collector
Reexamination Certificate
2011-03-08
2011-03-08
Thier, Michael T (Department: 2617)
Telecommunications
Receiver or analog modulated signal frequency converter
With wave collector
C455S562100, C370S334000
Reexamination Certificate
active
07904046
ABSTRACT:
A radio equipment, wherein an attenuator (10) is inserted between antennas (91, 92) and a radio module (2), and output and input sensitivities are raised and lowered simultaneously so as to keep the balance of a radio covering range with an input receiver coverage at a constant, and the antenna (91) and the antenna (92) with attenuator are switched over by a switch (8) to increase and decrease the radio coverage range and input receiver coverage while keeping the balance of the dynamic radio coverage range with the input receiver coverage.
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Hara Tsutomu
Inagaki Yukihide
Takita Isao
Umemura Masaya
Antonelli, Terry Stout & Kraus, LLP.
Hitachi , Ltd.
Thier Michael T
LandOfFree
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