The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 08, 2005
Filed:
Oct. 01, 2001
Applicants:
Shoichi Narahashi, Yokosuka, JP;
Kunihiro Kawai, Yokohama, JP;
Kei Satoh, Yokosuka, JP;
Toshio Nojima, Yokosuka, JP;
Inventors:
Shoichi Narahashi, Yokosuka, JP;
Kunihiro Kawai, Yokohama, JP;
Kei Satoh, Yokosuka, JP;
Toshio Nojima, Yokosuka, JP;
Assignee:
NTT DoCoMo, Inc., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M001/00 ; H04B007/00 ;
U.S. Cl.
CPC ...
Abstract
In a high sensitive radio receiver system for a diversity reception from two antennae per each of three sectors (SC, SC, SC), a series connection of a bandpass filter (to) and a low noise amplifier (to) is contained in each of a plurality of vacuum chambers (to), the interior of which is cooled by a distinct, separate cooling unit (to). The two antennae per sector are connected to bandpass filters contained in different vacuum chambers.