Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Patent
1990-01-18
1992-08-25
Yusko, Donald J.
Electric lamp and discharge devices
With gas or vapor
Three or more electrode discharge device
313601, H01T 1300
Patent
active
051421941
ABSTRACT:
In order to ensure that the ignition voltage does not depend on whether a sark gap component is shielded or unshielded, a ring-shaped control electrode that makes electrical contact with the electrode not at ground potential is mounted adjacent to or on to the outer circumference of the insulator at an axial level almost equal to that of the active surface of the electrode not at ground potential. The control electrode comprises of either a metallic coating, a band-shaped strip, or a metal cap.
REFERENCES:
patent: 3956657 (1976-05-01), Siegle
patent: 3989973 (1976-11-01), Lange et al.
patent: 3995183 (1976-11-01), Lechner et al.
patent: 4475055 (1984-10-01), Boettcher
patent: 4578733 (1986-03-01), Shigemori et al.
patent: 4631453 (1986-12-01), DeSouza et al.
patent: 4739439 (1988-04-01), Boy
Boy Juergen
Fukumoto Tetsuo
Jacubeit Matthias
Giust John
Siemens Aktiengesellschaft
Yusko Donald J.
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