Position sensor

Details Position sensor Position sensor

1996-08-15

1997-09-16

Noland, Thomas P.

Measuring and testing

Testing of apparatus

356375, 3242072, 32420721, G01D 516, G01D 520, G01D 526, G01B 2100

Patent

active

056683316

ABSTRACT:
The invention relates to a position sensor including at least two sensor units which measure in a contactless manner a position x of an element which is movably arranged relative to the sensor units. Using limited circuitry, the invention precludes sources of errors during the processing of the sensor signals in that from the sensor signals there is formed a measuring signal from the phase position of which relative to the clock signal there can be determined the position x. The position x may be, for example an angle or a length position.

REFERENCES:
patent: 4295085 (1981-10-01), Lafuze
patent: 4754220 (1988-06-01), Shimizu et al.
patent: 5068529 (1991-11-01), Ohno et al.
patent: 5106192 (1992-04-01), Tucker et al.
patent: 5208535 (1993-05-01), Nakayama et al.
patent: 5523900 (1996-06-01), Kosugi et al.
Patent Abstracts of Japan Grp P1373, vol. 16, No. 272 Absp-b date Jun. 18, 1992 (4-70510)"Detecting Apparatus of Rotating Position".
Patent Abstracts of JapanGrp E 1476 vol. 17, No. 680 Abs p-5 date Dec. 14, 1993 (5-227719) "Brushless Motor".
Patent Abstracts of Japan copyright 1995 (7-49669) dated Feb. 21, 1995 "Method for Detecting Coordinate Position of Matrix Panel".

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