Apparatus and method for forming segmented luminosity in gas dis

Details Apparatus and method for forming segmented luminosity in gas dis Apparatus and method for forming segmented luminosity in gas dis

1987-04-13

1989-08-29

Moore, David K.

Electric lamp and discharge devices: systems

Current and/or voltage regulation

315358, 315174, 315281, G05F 100

Patent

active

048620424

ABSTRACT:
A device for producing and controlling the flow rate of bubble-like ionization discontinuities (30) in a gas discharge tube (10) which includes means to produce an alternating current at a frequency between 1500 and 8000 Hz and a voltage between 2000 and 12000 V (16), a capacitor (36) in series with the tube to prevent direct current flow through the tube, and means to produce asymmetry (18) between the positive portion and the negative portion of the alternating current through the tube, the asymmetry being time asymmetry or wave shape asymmetry, the degree of asymmetry influencing the rate of apparent bubble flow through the tube and the direction of asymmetry influencing the direction of the apparent bubble flow through the tube.

REFERENCES:
patent: 1939903 (1933-12-01), Kayser
patent: 2091953 (1937-09-01), Becquemont
patent: 2214441 (1940-09-01), Seaman et al.
patent: 2671184 (1954-03-01), Kenty
patent: 3440488 (1969-04-01), Skirvin

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