Electricity: measuring and testing – Magnetic – Magnetometers
Reexamination Certificate
2006-08-22
2006-08-22
LeDynh, Bot (Department: 2862)
Electricity: measuring and testing
Magnetic
Magnetometers
C324S251000, C324S207250, C324S207200
Reexamination Certificate
active
07095225
ABSTRACT:
A method for detecting the motion of an element relative to a sensor apparatus is proposed, in which a detection of the direction of motion is performed. As a function of the direction of motion, a measurement signal is increased or decreased at predetermined measurement intervals, and only if a predetermined threshold value is exceeded is a direction-of-motion signal generated. Preferably, by means of a counting logic circuit (6), a counter is increased by a binary amount In one direction (2) and the counter (6) is decreased by a binary amount in the respective other direction (3). Upon a detection of measurement signals which as a result of being increased or decreased in a measurement interval do not lead to exceeding of the predetermined amount of the threshold value, vibration of the element is assumed.
REFERENCES:
patent: 5451891 (1995-09-01), Tanabe
patent: 5523679 (1996-06-01), Kalb
patent: 197 50 304 (1995-05-01), None
patent: 0 544 424 (1993-06-01), None
patent: 82/03691 (1982-10-01), None
Andriot Christelle
Block Ruediger
Rettig Rasmus
Walter Klaus
LeDynh Bot
Robert & Bosch GmbH
Striker Michael J.
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