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A Method of Checking Monitor Screens Using Photodiodes

IP.com Disclosure Number: IPCOM000060659D
Original Publication Date: 1986-Apr-01
Included in the Prior Art Database: 2005-Mar-09

Publishing Venue

IBM

Related People

Authors:
Cutshaw, RR [+details]

Abstract

A technique is described whereby photodiodes are used to measure distortion, geometry, tilt, linearity, color tint and other parameters of cathode ray monitor screens. The photodiode technique eliminates the need for special cameras which may be used in checking monitor screens.