Browse Prior Art Database

Opto-magnetic Input Tablet or Keyboard

IP.com Disclosure Number: IPCOM000055078D
Original Publication Date: 1980-May-01
Included in the Prior Art Database: 2005-Feb-13

Publishing Venue

IBM

Related People

Authors:
Tseng, SC [+details]

Abstract

One or more manually positionable magnetic field producing elements (e.g., a magnetic stylus or magnetic key elements) move optical path interruption elements (e.g., balls) within an array of optical paths to form an input tablet or an input keyboard.