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Patent Searching and Data


Title:
回転検出装置
Document Type and Number:
Japanese Patent JP4230348
Kind Code:
B2
Abstract:
In a rotation detection apparatus, a rotation-angle detector (14) detects a rotation angle of a rotating body based on an output signal generated by a resolver. An exciting-signal generation circuit (53) supplies an exciting signal for exiting the resolver to generate the output signal. An abnormality detection circuit (3) detects an abnormality of an exciting-signal output terminal for outputting the exciting signal or an abnormality of an exciting-signal line for transmitting the exciting signal. A power-supply stopping circuit (3) stops a power supply to the exciting-signal generation circuit when the abnormality detection circuit detects an abnormality of the exciting-signal output terminal or detects an abnormality of the exciting-signal line.

Inventors:
Toshio Tsutsui
Masahiro Miyata
Application Number:
JP2003424685A
Publication Date:
February 25, 2009
Filing Date:
December 22, 2003
Export Citation:
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Assignee:
株式会社デンソー
トヨタ自動車株式会社
International Classes:
G01D5/245; B62D5/00; B62D5/04; B62D15/02; G01D3/08; G01D5/244
Domestic Patent References:
JP63098511A
JP2003166803A
JP2003315097A
JP2001264114A
Attorney, Agent or Firm:
Masanori Sugawara