Indicator display tube

Details Indicator display tube Indicator display tube

H - Electricity

01

J

316/6, 313/82, 3

H01J 17/02 (2006.01) H01J 17/49 (2006.01)

Patent

CA 1081760

ABSTRACT OF THE DISCLOSURE An indicator display tube in which indicator electrode units, each consisting of anode and cathode segments, lie in the same plane and in which all of the cathode segments are simul- taneously energized and the anode electrodes are energized on a time sequential basis in such a manner that only the indicator electrode unit having its anode electrodes energized will glow at a particular time. The cathode segments of each indicator unit are connected in parallel which substantially reduces the number of leads to the display tube over conventional indicators which require a separate lead for energizing each of the cathode segments. The indicator display tube has a barrier electrode formed so as to lie between adjacent indicator units for prevent- ing accidental discharge of adjacent indicator units which would produce erroneous message displays.

122549

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