Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion
Reexamination Certificate
2011-05-24
2011-05-24
Jeanglaude, Jean B (Department: 2819)
Coded data generation or conversion
Analog to or from digital conversion
Analog to digital conversion
C341S156000
Reexamination Certificate
active
07948419
ABSTRACT:
A circuit configuration for obtaining a binary output signal from a current signal delivered by a magnetic-field sensor comprises a magnetic-field sensor, a voltage-supply unit, a measuring device, a signal-conditioning stage, a control stage, wherein the signal values represent the two current values of the current signal, alternating in pulse shape, as supplied by the magnetic-field sensor, for supplying the currently obtained first and second signal values to a memory device after every pulse-shaped change in the current signal and for identifying a digital changeover-threshold signal in accordance with a first algorithm from the real-time first and second signal values, the memory device for storing the currently obtained first and second signal values, a digital/analogue converter stage, and a comparator.
REFERENCES:
patent: 6096187 (2000-08-01), Mizoguchi et al.
patent: 7098827 (2006-08-01), Motz
patent: 2002/0100866 (2002-08-01), Butka et al.
patent: 2005/0275575 (2005-12-01), Motz
patent: 0919789 (1999-06-01), None
patent: 2860587 (2005-04-01), None
Jeanglaude Jean B
NXP B.V.
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