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Patent Searching and Data


Title:
アンテナ装置
Document Type and Number:
Japanese Patent JP4591526
Kind Code:
B2
Abstract:
An antenna device includes: an antenna base portion (1); an antenna mount portion (2) which is supported by the antenna base portion (1) and rotated around an azimuth axis and which supports a main reflector (5) with two struts (3); a frame structure group including a plurality of frame structures (7, 8, 9) which are provided in the antenna base portion (1) and the antenna mount portion (2), with six degrees of freedom restrained, respectively; a displacement gauge group (15) which measures a displacement of the frame structure group; a metrology correction portion (16) which calculates a pointing error of an antenna based on measured data of the displacement gauge group (15) and calculates a metrology correction amount by removing an error amount arising depending on an azimuth angle from the calculated pointing error; and a control circuit (10) which controls driving of the antenna by correcting a drive command value of the antenna with the metrology correction amount.

Inventors:
Sofuku Satoshi
Junji Takagi
Application Number:
JP2008069472A
Publication Date:
December 01, 2010
Filing Date:
March 18, 2008
Export Citation:
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Assignee:
Mitsubishi Electric Corporation
International Classes:
H01Q3/08; H01Q1/12
Domestic Patent References:
JP2007129454A
JP2005140185A
JP2002333011A
JP2004340372A
JP2004353848A
Attorney, Agent or Firm:
Shogo Takahashi
Tadahiko Inaba
Kanako Murakami
Nakatsuru Kazutaka