Beam mode lamp with voltage modifying electrode

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Plural cathodes or heaters in the load device

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Details

315361, 315268, 315349, 315351, H05B 3900

Patent

active

045217181

ABSTRACT:
A beam mode lamp has two discharge electrodes which alternately function as anode and cathode. One or more modifying electrodes are located between the discharge electrodes. Each modifying electrode is kept equal to or negative with respect to the cathode, raising the operating voltage of the lamp from a normal 20 volts to line voltage.

REFERENCES:
patent: 1617179 (1927-02-01), Smith
patent: 1768660 (1930-07-01), Brackett
patent: 1901128 (1933-03-01), Smith
patent: 1946336 (1934-02-01), Smith
patent: 2235711 (1941-03-01), Ledever
patent: 2264055 (1941-11-01), Stocker
patent: 2345638 (1944-04-01), Sperti
patent: 2424505 (1947-07-01), Rupersburg
patent: 2736842 (1956-02-01), Mann
patent: 3295013 (1966-12-01), Struven

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