Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator
Reexamination Certificate
2008-09-09
2008-09-09
Whittington, Kenneth J (Department: 2862)
Electricity: measuring and testing
Electrical speed measuring
Including speed-related frequency generator
C324S207210
Reexamination Certificate
active
11490477
ABSTRACT:
A sensor, preferably for magnetic rotary or linear sensor systems, includes a scale situated at a specified distance from the sensor, and having at least one magnetic field-sensitive GMR sensor element provided in a housing, the housing also having one magnetic field source respectively associated with the at least one GMR sensor element, the magnetic field source being accommodated in a shield enclosing same in a U-shape, and the magnetic field source, the at least one GMR sensor element, and/or the housing being tilted at a specified distance and by a predetermined angle relative to the reference plane of the scale.
REFERENCES:
patent: 4506217 (1985-03-01), Rothley et al.
patent: 4612502 (1986-09-01), Spies
patent: 4725776 (1988-02-01), Onodera et al.
patent: 4785242 (1988-11-01), Vaidya et al.
patent: 5021736 (1991-06-01), Gonsalves et al.
patent: 5289122 (1994-02-01), Shigeno
patent: 5315244 (1994-05-01), Griebeler
patent: 5500589 (1996-03-01), Sumcad
patent: 5955882 (1999-09-01), Eisschiel et al.
patent: 6218829 (2001-04-01), Wittenstein et al.
patent: 6246234 (2001-06-01), Yokotani et al.
patent: 6255811 (2001-07-01), Hatazawa et al.
patent: 29614974 (1997-01-01), None
patent: 19643183 (1997-11-01), None
patent: 0109296 (1984-05-01), None
patent: 0419040 (1991-03-01), None
Alleman Hall McCoy Russell & Tuttle LLP
Whittington Kenneth J
Woelke Magnetbandtechnik GmbH & Co. KG
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