G - Physics – 09 – G
Patent
G - Physics
09
G
G09G 3/22 (2006.01) G09G 3/28 (2006.01)
Patent
CA 2105111
A method of driving an indicator tube comprised of a pair of common memory electrode plates and independent address XY electrode groups separate therefrom comprises the steps of, in a case where an address discharge is to be carried out by the XY electrode groups from a state that no wall charge uniformly exists on wall surfaces of the pair of memory electrodes in all cells on a picture screen or on a line to be addressed, holding one of the pair of memory electrodes at a potential higher than a discharge space potential generated by an address discharge in a range such that a discharge is not caused on the low voltage side of the address electrode during an address period, holding the other of the pair of memory electrodes at a potential lower than the discharge space potential in a range such that a discharge is not caused on the high voltage side of the address electrode, selectively accumulating charged particles generated by the address discharge in cells disposed at the positions corresponding to an image as negative and positive wall charges, and continuously effecting a display discharge, or memory discharge utilizing a presence or absence of the wall charges as position information.
Gowling Lafleur Henderson Llp
Sankyo Co. Ltd.
Technology Trade And Transfer Corporation
LandOfFree
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