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Hand mounted ultrasonic position determining device and system

  • US 20030025721A1
  • Filed: 03/04/2002
  • Published: 02/06/2003
  • Est. Priority Date: 08/06/2001
  • Status: Abandoned Application
First Claim
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1. A device for indicating a position of a finger, said device comprising:

  • a piezoelectric film that provides a signal in accordance with a displacement of said film, said signal being indicative of a position of said finger, wherein said device is conformably shaped to fit on at least a portion of said finger.

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