Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2005-11-08
2005-11-08
Chin, Vivian (Department: 2682)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S562100, C455S272000, C455S277100
Reexamination Certificate
active
06963758
ABSTRACT:
In a high sensitive radio receiver system for a diversity reception from two antennae per each of three sectors (SC1, SC3, SC3), a series connection of a bandpass filter (31to36) and a low noise amplifier (41to46) is contained in each of a plurality of vacuum chambers (81to86), the interior of which is cooled by a distinct, separate cooling unit (91to96). The two antennae per sector are connected to bandpass filters contained in different vacuum chambers.
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Kawai Kunihiro
Narahashi Shoichi
Nojima Toshio
Satoh Kei
Chin Vivian
NTT DoCoMo Inc.
Olbon, Spivak, McClelland, Maier & Neustadt, P.C.
Yun Eugene
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