Device and method for generating a trigger signal in a position-measuring device and corresponding position-measuring device

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United States of America Patent

PATENT NO 9823646
SERIAL NO

14738969

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Abstract

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A method generates an asynchronous trigger signal in a position-measuring device having a position-sensing unit, a processing unit and an interface unit. The position-measuring device is connectable via the interface unit and a bidirectional data channel to subsequent electronics for communication purposes. A synchronous data stream is generated from an asynchronous data stream arriving at the position-measuring device from a direction of the subsequent electronics by sampling the asynchronous data stream in a time pattern of a clock signal. A gate signal is generated upon an enable condition for outputting the trigger signal being detected by evaluating the synchronous data stream. The asynchronous trigger signal is generated upon the gate signal being present and a signal edge of the asynchronous data stream occurring.

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Patent Owner(s)

  • DR. JOHANNES HEIDENHAIN GMBH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beaury, Bernhard Uebersee, DE 6 18
Kobler, Alexander Burgkirchen, DE 7 27
Kreuzer, Stephan Surberg-Ettendorf, DE 9 33
Mooshammer, Markus Traunstein, DE 5 7
Walter, Michael Polling, DE 63 419

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