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Title:
STEERING ANGLE DETECTOR AND DETECTING METHOD
Document Type and Number:
Japanese Patent JP2007232689
Kind Code:
A
Abstract:

To precisely detect a steering angle in steering.

A scale plate 5 comprising an annular thin sheet is attached to a front end of a base part 3 in a steering hole 1 serving as a rotary part. A detector 9 is installed opposedly to the scale plate 5 in a steering column 7 serving as a fixed part. A graduation 13 with a pitch λ along a circumferential direction in the scale plate 5. An array direction of two photoelectric sensors 23 is brought into a condition inclined at a prescribed angle θ with respect to the pitch direction of the graduation 13, in the detector 9, and a mutual detection pitch P2 for the two photoelectric sensors 23 is constituted to have n+λ/4 (n is 0 or more of integer) of phase difference with respect to the pitch λ.

COPYRIGHT: (C)2007,JPO&INPIT


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Inventors:
NEKADO YASUO
Application Number:
JP2006057815A
Publication Date:
September 13, 2007
Filing Date:
March 03, 2006
Export Citation:
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Assignee:
NISSAN MOTOR
International Classes:
G01B11/26; B62D1/16; G01D5/36
Domestic Patent References:
JPH05286391A1993-11-02
JP2005147704A2005-06-09
JP2002340625A2002-11-27
JPH07218239A1995-08-18
JP2000221057A2000-08-11
JP2000060371A2000-02-29
JPH11183200A1999-07-09
JPS55147350A1980-11-17
JP2000193490A2000-07-14
JPH05118879A1993-05-14
JPS63249002A1988-10-17
JP2005174618A2005-06-30
JPH03274035A1991-12-05
Attorney, Agent or Firm:
Hidekazu Miyoshi
Iwa Saki Kokuni
Kawamata Sumio
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu



 
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