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Title:
RADIO TRANSMITTER AND TRANSMISSION DIVERSITY
Document Type and Number:
WIPO Patent Application WO/2001/022619
Kind Code:
A1
Abstract:
In transmission, an antenna is weighted depending on the magnitude and proportion of the signal power applied to the antenna without fixing or extremely varying an antenna balance. The weight on the antenna is varied gradually to distribute energy to the antenna efficiently as well as control the antenna balance precisely.

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Inventors:
HAYASHI MASAKI (JP)
Application Number:
PCT/JP2000/006242
Publication Date:
March 29, 2001
Filing Date:
September 13, 2000
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
HAYASHI MASAKI (JP)
International Classes:
H04B7/06; (IPC1-7): H04B7/06; H04B7/26; H04J13/04
Foreign References:
JP2000040988A2000-02-08
JPH11154876A1999-06-08
JPH07321764A1995-12-08
JPH05153083A1993-06-18
JPH04287426A1992-10-13
JPH09238098A1997-09-09
JPH10276122A1998-10-13
Attorney, Agent or Firm:
Washida, Kimihito (Tsurumaki 1-chome Tama-shi Tokyo, JP)
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