Method and apparatus for determining absolute angle and...

Details Method and apparatus for determining absolute angle and... Method and apparatus for determining absolute angle and...

2007-11-06

2007-11-06

Stafira, Michael P. (Department: 2886)

Optics: measuring and testing

Angle measuring or angular axial alignment

C356S614000, C356S616000

Reexamination Certificate

active

11024412

ABSTRACT:
The present invention relates to a method and apparatus for determining an absolute angle and torque with an optical detection module, in which the absolute angle and the torque are determined on the basis of measurements including marked waveforms at both ends of a torsion bar, relative rotation angles at both ends of the torsion bar, and revolutions per minute of the torsion bar measured with the aid of the revolution number measurement unit.

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U.S. Appl. No. 10/748,152 to Jong-Hwa Lee et al., filed Dec. 31, 2003.
U.S. Appl. No. 10/748,151 to Jong-Hwa Lee et al., filed Dec. 31, 2003.

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