The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 15, 2002

Filed:

May. 21, 1999
Applicant:
Inventors:

Heinz Loreck, Idstein, DE;

Michael Zydek, Langgõns, DE;

Wolfgang Fey, Niedernhausen, DE;

Peter Lohberg, Friedrichsdorf, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01P 3/44 ;
U.S. Cl.
CPC ...
G01P 3/44 ;
Abstract

An arrangement for determining the rotational behavior of a rotating body or encoder ( ) includes a sensor module ( ) which comprises a sensor element ( to ), a controllable power source ( ) supplying a load-independent current representative of the rotational behavior, a modulator ( ) that controls the power source ( ) as a function of signals of the sensor element ( to ) and of signals supplied by an external signal source through an additional port (K ), and an evaluating circuit ( ). The sensor module ( ) is magnetically coupled to the encoder ( ). The output signal of the sensor module ( ) is a signal, representative of the rotational behavior, with a superimposed status signal and/or additional signal.


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