Browse Prior Art Database

Fail Safe Capacitive Actuator with Acoustical Noise Reduction

IP.com Disclosure Number: IPCOM000045867D
Original Publication Date: 1983-Apr-01
Included in the Prior Art Database: 2005-Feb-07

Publishing Venue

IBM

Related People

Authors:
Bellamy, RL Thompson, GN [+details]

Abstract

As the actuator described in U.S. Patent 4,118,611 restores to its normal up position, it contacts the frame, causing an undesirable noise.