Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device
Patent
1978-05-16
1980-02-26
Gensler, Paul L.
Electric lamp and discharge devices: systems
Plural power supplies
Plural cathode and/or anode load device
313204, H05B 3700, H05B 3900, H05B 4100
Patent
active
041907892
ABSTRACT:
An improved row selecting and driving system for a self-shift type gas discharge panel for providing a multi-row display in a plurality of shift rows. The shift row is composed of at least one shift channel having a regular arrangement of a plurality of discharge cells, each said discharge cell comprising opposing electrode groups of 2.times.2 or more phases. A shift voltage is sequentially applied to the electrode groups of a selected shift row for shifting discharge spots in that row in one direction. At the same time, a shift voltage having a different sequence of voltages from that for said selected shift row is applied to the electrode group of the non-selected shifting rows, in a sway shift operation performed within a predetermined spatial period of the cell arrangement to hold said discharge spot in said cell arrangement period. The driving system can equalize the operation margin in all of the selected and non-selected shift rows, and as a result, display quality can be improved.
REFERENCES:
patent: 4132924 (1979-01-01), Yamaguchi et al.
patent: 4147960 (1979-04-01), Andoh et al.
Kashiwara Hirofumi
Kawada Toyoshi
Yamaguchi Hisashi
Fujitsu Limited
Gensler Paul L.
Wise Robert E.
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