Browse Prior Art Database

LOW-COST CONTACT ENCODER

IP.com Disclosure Number: IPCOM000026673D
Original Publication Date: 1993-Apr-30
Included in the Prior Art Database: 2004-Apr-06

Publishing Venue

Xerox Disclosure Journal

Abstract

A low-cost contact encoder for measuring the linear or rotational speed of a member, incorporates a body of piezoelectric material which is repeatedly stressed and relieved by movement of the body of which the movement is being monitored.