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TYPE AHEAD FOR COPIER CONTROL PANEL INPUT

IP.com Disclosure Number: IPCOM000025153D
Original Publication Date: 1983-Oct-31
Included in the Prior Art Database: 2004-Apr-04
Document File: 2 page(s) / 89K

Publishing Venue

Xerox Disclosure Journal

Abstract

Traditionally, copiers accept certain input from the control panel only when they are prepared to use that information. For example, one could select 100 copies and press the Start Print button. Further typing on the numeric keypad would be ignored until the current job is completed, since the user is not allowed to alter the number of copies while the job is running.

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XEROX DISCLOSURE JOURNAL

TYPE AHEAD FOR COPIER CONTROL PANEL INPUT U.S. Cl. 364/900 Randy Sherry
Anthony M. Federico

Proposed Classification

Int. Cl. G06f 1/00

Traditionally, copiers accept certain input from the control panel only when they are prepared to use that information. For example, one could select 100 copies and press the Start Print button. Further typing on the numeric keypad would be ignored until the current job is completed, since the user is not allowed to alter the number of copies while the job is running.

Often, however, the user would like to do something useful while waiting for a long job to complete. Often the parameters of the next job to be run are known as the current job is running, but the control system is not yet designed to accept these parameters.

In order to accept these parameters ahead of time, the control system must be altered. If all desirable keyboard inputs are handled by one processor, only that processor needs to be altered to accept queueing of job parameters. By using'the Operating System. to buffer certain input changes while the copier is not ready for them and then recreate those input changes once the software is ready, type ahead or key queueing can be accomplished without changes to the applications software.

In a machine having the Control Panel scanned by one processor, that processor is also aware of the current state of the machine. The Operating System in that processor has the ability to determine when the applications code is prepared to accept job parameter input from the panel. When it is not prepared, the Operating System stores those input changes in a fixed length buffer. Should the bu...