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Browse Prior Art Database

Automatic Display Viewing Cone Angle Adjustment

IP.com Disclosure Number: IPCOM000046373D
Original Publication Date: 1983-Jul-01
Included in the Prior Art Database: 2005-Feb-07

Publishing Venue

IBM

Related People

Authors:
Rohen, JE [+details]

Abstract

Many displays, whether by intentional design such as in an automatic teller machine, or by compromise to obtain maximum brightness and contrast, have a restrictive viewing cone. This viewing cone is the angle in degrees between a reference line normal to the viewing surface and a line from the viewing surface at which the visual resolution becomes distorted or unreadable. Regardless of the reason for a restricted viewing cone, such displays require that the intended observer tilt the display to a readable angle. This publication describes a viewing cone display which automatically adjusts itself to an optimum viewing angle for the person closest to the display.