Title:
RADIO RECEIVER
Document Type and Number:
WIPO Patent Application WO/2002/065653
Kind Code:
A1
Abstract:
A radio receiver, comprising a signal processing part having a receive band pass filter (2) and a receive low noise amplifier (3) processing receive signals and discharge gas with elapse of time, a cooling means (6) for cooling the signal processing part, an air-tight container (10) sealing the receive band pass filter (2) and receive low noise amplifier (3) therein in vacuum state to retain the gas therein and operating as an inside sealing means, and a vacuum container (5) sealing the air-tight container (10) in vacuum state so that a clearance (12) thereof from the air-tight container (10) forms a vacuum insulating layer and operating as an outside sealing means for vacuum insulation thereof from the outside.
Inventors:
HATTORI WATARU (JP)
Application Number:
PCT/JP2002/001065
Publication Date:
August 22, 2002
Filing Date:
February 08, 2002
Export Citation:
Assignee:
NEC CORP (JP)
HATTORI WATARU (JP)
HATTORI WATARU (JP)
International Classes:
H01L39/04; H04B1/036; H04B1/08; H04B1/18; (IPC1-7): H04B1/08
Foreign References:
| JPH11186922A | 1999-07-09 | |||
| JPH10126290A | 1998-05-15 | |||
| JPH10135525A | 1998-05-22 | |||
| JPH07249388A | 1995-09-26 | |||
| JP2000257967A | 2000-09-22 | |||
| JP2000111185A | 2000-04-18 | |||
| JPH11248845A | 1999-09-17 | |||
| JPH021993B2 | 1990-01-16 | |||
| JP2001136083A | 2001-05-18 | |||
| JP2001144635A | 2001-05-25 |
Attorney, Agent or Firm:
Hirata, Tadao (Ichibancho Chiyoda-ku, Tokyo, JP)
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