Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2007-04-17
2007-04-17
Urban, Edward F. (Department: 2618)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S217000, C455S296000, C417S152000, C062S269000, C062S440000
Reexamination Certificate
active
10467764
ABSTRACT:
A radio receiver disclosed is composed of a signal processing part, which includes a receive band pass filter2and a receive low noise amplifier3, to process receive signal and discharge gas with time, the signal processing part being cooled by the cooling means6, wherein the radio receiver is provided with an airtight container10that operates as inner sealing means to seal the receive band pass filter2and the receive low noise amplifier3to retain the gas, and a vacuum container5that operates as outer sealing means to seal in vacuum the airtight container10such that an interspace12between that and the airtight container10forms a vacuum insulating space to insulate in vacuum the airtight container10from outside.
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Jackson Blane J.
NEC Corporation
Scully , Scott, Murphy & Presser, P.C.
Urban Edward F.
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