Measurement probe systems for co-ordinate positioning apparatus
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United States of America Patent
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Jun 11, 2013
Grant Date -
Mar 12, 2009
app pub date -
Jul 8, 2008
filing date -
Jul 8, 2008
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
A measurement probe, such as a touch trigger measurement probe, is described that comprises a measurement portion for measuring an object and a data transfer portion for receiving data from and/or transmitting data to an associated unit. The measurement device also comprises an authentication module for verifying the authenticity of the associated unit. The authentication module may include a processor for running a one-way hash algorithm. Authenticity may be established using a challenge and response authentication process.
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