Browse Prior Art Database

System Status Indicator

IP.com Disclosure Number: IPCOM000068801D
Original Publication Date: 1978-Feb-01
Included in the Prior Art Database: 2005-Feb-20

Publishing Venue

IBM

Related People

Authors:
Powell, KE [+details]

Abstract

This status indicator circuit indicates card reader system status in order to negate unnecessary attempts at a read function when readers are not on line. It also indicates a valid card acknowledgement signal.