Measuring system and pressure medium cylinder comprising a measuring system

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United States of America

PATENT NO 12203785
APP PUB NO 20230265869A1
SERIAL NO

18008063

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Abstract

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The linear measuring system includes one part of a (usually steel) rod, beam or strip that is profiled with a trapezium like (subset of a) De Bruijn sequence. Each element of the alphabet is represented by a discrete height of the profile. The profile can be coated with a material with low magnetic susceptibility to enable the application on a piston rod of a pressure medium cylinder. The second part of the measuring system reads the subsequences of the main sequence by using the signals of arrays of linear Hall effect sensors, placed in a magnetic field as input for a signal processing algorithm. With a look-up table, the position of this second part of the measuring system with respect to the profile is determined. An interpolation algorithm can be used to improve the resolution to well below the sequence pitch.

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Patent Owner(s)

Patent OwnerAddress
VAN HALTEREN TECHNOLOGIES BOXTEL B VVAN SALMSTRAAT 70 RS BOXTEL 5281

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Caspers, Leo En Eindhoven, NL 3 4

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