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DISTRIBUTED MEMS DEVICES SYNCHRONIZATION METHODS AND APPARATUS

  • US 20160259364A1
  • Filed: 05/17/2016
  • Published: 09/08/2016
  • Est. Priority Date: 02/03/2012
  • Status: Active Grant
First Claim
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1. A method for time synchronization in a MEMS (MicroElectroMechanical system) based system having a MEMS processor and a plurality of MEMS devices, the method comprising:

  • in one or more of the MEMS devices,receiving a synchronization signal from the MEMS processor;

    storing a local time upon receiving the synchronization signal;

    performing a sensing operation to sample sense data; and

    storing the sampled sense data and sense time information; and

    in the MEMS processor,transmitting the synchronization signal to the plurality of MEMS devices;

    saving a local time upon transmitting the synchronization signal;

    receiving the stored local time upon receiving the synchronization signal from one or more of the MEMS devices;

    receiving sampled sense data, and sense time information from one or more of the MEMS devices; and

    determining when each sampled sense data is captured relative to a local time in the MEMS processor and the local time of other MEMS device in the system.

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