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:
Sep. 30, 2008
Filed:
Nov. 17, 2004
Hirohito Suda, Yokosuka, JP;
Takahiro Asai, Yokosuka, JP;
Hiromasa Fujii, Yokosuka, JP;
Tetsu Tanaka, Zushi, JP;
Hirohito Suda, Yokosuka, JP;
Takahiro Asai, Yokosuka, JP;
Hiromasa Fujii, Yokosuka, JP;
Tetsu Tanaka, Zushi, JP;
NTT DoCoMo, Inc., Tokyo, JP;
Abstract
A radio repeater including at least first and second relay systems, each including a reception antenna configured to receive a radio signal, a loop interference suppressor, connected to the reception antenna, configured to suppress a loop interference signal in the received radio signal from said reception antenna, an amplifier configured to amplify the loop interference-suppressed radio signal from the loop interference suppressors, and a transmission antenna having a polarization characteristic, which is orthogonal to a polarization characteristic of said reception antenna, configured to transmit the output of said amplifier.