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Universal Character Set Sync Checking

IP.com Disclosure Number: IPCOM000095282D
Original Publication Date: 1965-Nov-01
Included in the Prior Art Database: 2005-Mar-07
Document File: 2 page(s) / 24K

Publishing Venue

IBM

Related People

Bloom, EM: AUTHOR [+3]

Abstract

Logic is arranged to use only the Home Pulse to turn on a Home Trigger. The output of the Home Trigger is used to turn on a Train Ready Trigger. The Home Pulse is Anded with the UCS Emitter Signal in And 1 to turn on the Train Ready Trigger. A UCS Mode signal is Ored with the UCS Emitter Signal. Thus, this line is up continuously when not in the UCS mode. If in UCS mode a sync check can be made at each of five specified addresses, i.e., 48, 96, 144, 192, and 240 per revolution with the Home Pulse. If a standard 48 character chain-train is installed, the UCS Mode line is up continuously and a sync check is made with each Home Pulse.

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Universal Character Set Sync Checking

Logic is arranged to use only the Home Pulse to turn on a Home Trigger. The output of the Home Trigger is used to turn on a Train Ready Trigger. The Home Pulse is Anded with the UCS Emitter Signal in And 1 to turn on the Train Ready Trigger. A UCS Mode signal is Ored with the UCS Emitter Signal. Thus, this line is up continuously when not in the UCS mode. If in UCS mode a sync check can be made at each of five specified addresses, i.e., 48, 96, 144, 192, and 240 per revolution with the Home Pulse. If a standard 48 character chain- train is installed, the UCS Mode line is up continuously and a sync check is made with each Home Pulse.

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