Browse Prior Art Database

Dual Function Keylock

IP.com Disclosure Number: IPCOM000055446D
Original Publication Date: 1980-Jul-01
Included in the Prior Art Database: 2005-Feb-13

Publishing Venue

IBM

Related People

Authors:
Bondar, DK [+details]

Abstract

Input-output terminals utilizing microcode to control operator access (normal function mode) and supervisory access (microcode program revision mode) can be fitted with two separate security keylock/switch assemblies for enabling/disabling such access.