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Smart structures for vibration suppression

  • US 6,191,519 B1
  • Filed: 08/30/1995
  • Issued: 02/20/2001
  • Est. Priority Date: 01/21/1993
  • Status: Expired due to Term
First Claim
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1. A pre-formed control patch for controlling strain in a foundation member, the patch comprising a base, a piezoelectric sensor and a piezoelectric actuator located in operative relative relationship, means for placing the patch in operative relationship with the foundation member whereby the sensor detects a strain in the foundation member and whereby the actuator imparts a strain-inducing force to the foundation member, and including means for connecting control electronics in operative relationship with the patch.

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