Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasukazu Hayashi0
Date of Patent
April 1, 2008
0Patent Application Number
115604210
Date Filed
November 16, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An absolute position detector for accurately reading a code recorded on an absolute track is provided. Output signals from sensors that read a code recorded on an absolute track are input into a binarization processor. A compensator provided within the binarization processor functions to correct and determine the value of a read target bit based on an output signal from a read sensor which is the sensor located closest to the center of the one-bit width of the read target bit, and an output signal from a compensation sensor, which is a sensor separated from the read sensor by a distance within the range from λ/2 to 3·λ/2.
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