Signal processor and cooling method of the same, and radio...

Details Signal processor and cooling method of the same, and radio... Signal processor and cooling method of the same, and radio...

2006-02-14

2006-02-14

Kuntz, Curtis (Department: 2643)

Telecommunications

Receiver or analog modulated signal frequency converter

Local control of receiver operation

C455S283000, C455S296000, C455S298000, C455S299000

Reexamination Certificate

active

06999741

ABSTRACT:
Provided is a signal processor including a band-pass filter and a low noise amplifier, which are covered with a vacuum insulation layer and cooled by a refrigerator. Further, a getter material where a heater for activation is built therein is installed in the vacuum insulation layer as a mechanism to control increase of gas pressure inside the vacuum insulation layer. The getter material is heated and activated by the heater when activating the refrigerator, and thus the gas pressure inside the vacuum insulation layer is reduced by operation of the getter material and status of vacuum insulation can be improved when the refrigerator is activated after the refrigerator has been stopped due to a power outage or the like.

REFERENCES:
patent: 5995851 (1999-11-01), Lim
patent: 6205340 (2001-03-01), Yandrofski et al.
patent: 6212404 (2001-04-01), Hershtig
patent: 6480706 (2002-11-01), Mimura et al.
patent: 6571110 (2003-05-01), Patton et al.

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