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Horizontal Shifting for Block Operation in a Plasma Panel

IP.com Disclosure Number: IPCOM000060610D
Original Publication Date: 1986-Mar-01
Included in the Prior Art Database: 2005-Mar-08
Document File: 1 page(s) / 12K

Publishing Venue

IBM

Related People

Criscimagna, TN: AUTHOR [+3]

Abstract

In a plasma display block operation wherein multiple lines in a plasma display panel are simultaneously erased in a non-selective erase operation and then conditioned individually with a selective write, the data in the horizontal shift register must different for the two operations. To reduce the time required to shift the entire register, shifting is done on a module basis, thus shortening the time for all shifting.

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Horizontal Shifting for Block Operation in a Plasma Panel

In a plasma display block operation wherein multiple lines in a plasma display panel are simultaneously erased in a non-selective erase operation and then conditioned individually with a selective write, the data in the horizontal shift register must different for the two operations. To reduce the time required to shift the entire register, shifting is done on a module basis, thus shortening the time for all shifting.

If a series of shift registers of identical length are substituted for the horizontal shift register, and if the same data is applied to all their inputs and an orderly progression of registers is followed, the full contents of one register will appear to move down through the series of registers as they are stepped. All the module shift registers contain the same data, and selective operation is provided on a module basis.

The shift output of each register is ignored, and only the parallel output of the selected register is transferred to its desired use; the input to all registers is cyclic at the interval of a full register. Therefore, the new data applied to a succeeding register will be the same as if the carry from the preceding register were coming in. An alternate use of this configuration is that after a number of shifts less than a full register, the contents of the register will appear to have shifted backwards by the difference between the number of shifts and the number of bit po...