Data processing: measuring – calibrating – or testing – Measurement system – Orientation or position
Reexamination Certificate
2005-09-16
2009-06-30
Lau, Tung S (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system
Orientation or position
C702S145000, C702S146000, C702S147000, C702S148000, C702S149000, C702S150000, C324S174000, C324S207220, C324S207200, C701S041000, C701S042000, C701S043000, C180S402000, C180S403000, C180S408000, C180S421000, C180S443000, C180S445000, C180S446000
Reexamination Certificate
active
07555402
ABSTRACT:
The method consists in: determining in which actually sector the booster motor is located, a sector of the booster motor being defied by two successive poles; determining a relative angle position of the steering wheel in relation to the booster motor; identifying a sector, known as neutral, in which the booster motor is located when the rotation speeds of the rear wheels, i.e. right and left of the vehicle, are equal; determining an angle offset of the steering wheel corresponding to a neutral angle position of the steering wheel; determining an absolute angle position of the steering wheel which is equal to the difference between the relative angle position of the steering wheel and the offset angle thereof.
REFERENCES:
patent: 6400143 (2002-06-01), Travostino et al.
patent: 2003/0057903 (2003-03-01), Desbiolles et al.
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patent: 2 830 140 (2003-03-01), None
patent: 2 848 974 (2004-06-01), None
Barthomeuf Julien
Cassar Stephane
Michelis Andre
JTEKT Europe
Kundu Sujoy K
Lau Tung S
Oliff & Berridg,e PLC
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