To load a complete copy of Patent 6,137,288 from the USPTO,
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Several variations of this rotary
position sensor are shown in the
picture to the left. These four
parts were sold to TRD and
TRD gave them back to me as a
personal momento when they
were finished with them. The
parts in the picture were
designed between 1999 and
2001.
A magnetic flux density plot from
sheet 7 of 14 in this patent.