Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator
Reexamination Certificate
2005-06-14
2005-06-14
LeDynh, Bot (Department: 2862)
Electricity: measuring and testing
Electrical speed measuring
Including speed-related frequency generator
C323S909000, C323S909000
Reexamination Certificate
active
06906510
ABSTRACT:
A sensor system including a sensor having at least one magnet and a plurality of magnetic flux responsive devices fixedly adjacent to the at least one magnet. Each of the plurality of magnetic flux responsive devices have a primary sensing plane, at least two of the primary sensing planes being offset from each other. A quadrature normalization circuit is communicatively connected to the sensor.
REFERENCES:
patent: 2002/0149358 (2002-10-01), Doescher
patent: 2004/0160220 (2004-08-01), Wendt
Garwood Max W.
Wolf Ronald J.
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