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Keyed Sequence Overwriting Of A Selection Matrix

IP.com Disclosure Number: IPCOM000068140D
Original Publication Date: 1979-Nov-01
Included in the Prior Art Database: 2005-Feb-20

Publishing Venue

IBM

Related People

Authors:
Waldbaum, G [+details]

Abstract

This article describes a method for modifying character and key assignments in a keyboard actuable video terminal having a locally stored selection matrix. The matrix is referenced in response to each key stroke for character and coding, local display thereat, and selective external transmission. The method steps comprise (1) overwriting selective matrix contents by a predetermined unique key stroke sequence, and (2) concurrently electrically altering the local key character display.