Browse Prior Art Database

Fixed and Floating Tab Stops Stored in One Tab Rack

IP.com Disclosure Number: IPCOM000047978D
Original Publication Date: 1983-Dec-01
Included in the Prior Art Database: 2005-Feb-08
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Daniels, PR: AUTHOR [+2]

Abstract

A flag is utilized to distinguish between fixed and floating tabs in order for a single tab rack to be used for all printer tabbing operations. During set up, if escapement is to be in units, fixed tabs are called for and specified tab stops are set in the tab rack. If escapement is to be in characters, floating tabs are called for, specified tab stops are set, and a flag is stored to denote floating tabs. During printing, the reading of a tab in a print data stream causes a determination to be made as to the presence of a flag. If a flag is not stored, the tab rack is read for the next set tab stop, a calculation is made as to the number of escapement units from the present printer carrier position to the set tab, and the carrier is caused to escape this number of units. If a flag is stored, the calculation is in characters.

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Fixed and Floating Tab Stops Stored in One Tab Rack

A flag is utilized to distinguish between fixed and floating tabs in order for a single tab rack to be used for all printer tabbing operations. During set up, if escapement is to be in units, fixed tabs are called for and specified tab stops are set in the tab rack. If escapement is to be in characters, floating tabs are called for, specified tab stops are set, and a flag is stored to denote floating tabs. During printing, the reading of a tab in a print data stream causes a determination to be made as to the presence of a flag. If a flag is not stored, the tab rack is read for the next set tab stop, a calculation is made as to the number of escapement units from the present printer carrier position to the set tab, and the carrier is caused to escape this number of units. If a flag is stored, the calculation is in characters.

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