Method and apparatus for sampling a sensor signal

Details Method and apparatus for sampling a sensor signal Method and apparatus for sampling a sensor signal

2006-07-18

2006-07-18

Vo, Hieu T. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S114000, C073S035120

Reexamination Certificate

active

07079936

ABSTRACT:
In an apparatus, a timing signal outputting unit outputs a timing signal every time interval. The time interval is shorter than a pulse time interval of the pulse signal. A first storage unit stores first information relative to each pulse time interval of the pulse signal. A second storage unit samples a value of the sensor signal each time the timing signal is outputted, and stores the sampled values so that the sampled values are associated with pieces of second information, respectively. Each of the pieces of second information is relative to each of sampled timings of the values. A calculating unit calculates a rotation angle of the rotation shaft corresponding to each of the values of the sensor signal based on a relationship between the first information and the pieces of second information.

REFERENCES:
patent: 5738074 (1998-04-01), Nakamura et al.
patent: 5778857 (1998-07-01), Nakamura et al.
patent: 9-273437 (1997-10-01), None
patent: 10-196429 (1998-07-01), None
patent: 2000-186611 (2000-07-01), None
patent: 2001-200747 (2001-07-01), None

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