Cold cathode tube for generating light with uniform intensity al

Details Cold cathode tube for generating light with uniform intensity al Cold cathode tube for generating light with uniform intensity al

1992-04-21

1995-02-21

Yusko, Donald J.

Electric lamp and discharge devices

With gas or vapor

Three or more electrode discharge device

313234, 313283, 313291, 313601, 313607, 315330, H01J 744

Patent

active

053919602

ABSTRACT:
A cold cathode tube in which an auxiliary electrode formed of an electric conductive material is provided on an outer surface of a cylindrical tube element so as to extend over substantially a half of the tube element from one end thereof to a location in the neighborhood of a center of the tube element along a longitudinal direction, and a longer one of a pair of lead wires from a power source section is connected to one of a pair of electrodes on the side where the auxiliary electrode is provided.

REFERENCES:
patent: 2094680 (1937-10-01), Schouwstra
patent: 2200950 (1940-05-01), Dorgelo
patent: 2269338 (1942-01-01), Edgerton et al.
patent: 4065370 (1977-12-01), Noble et al.
patent: 4415840 (1983-11-01), Baumeister
patent: 4499406 (1985-02-01), Saburo

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