Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation
Patent
1980-05-27
1982-02-02
La Roche, Eugene
Electric lamp and discharge devices: systems
Current and/or voltage regulation
Automatic regulation
315106, 315107, 315291, H05B 702, H01J 3730
Patent
active
043141820
ABSTRACT:
A system for the control of power of a high-voltage electron beam generator having a cathode and a control electrode for the cathode, has a controller at ground potential, a pulse generator for the production of square-wave voltage pulses symmetrical with ground potential, a transformer for transferring high-voltage potential to the beam generator including a primary winding substantially at ground potential and a secondary winding at high-voltage potential, a full-wave rectifier connected to the secondary winding and a filter connecting the rectifier to the cathode and to the control electrode. The filter comprises an LC combination of at least two LC members connected in series, in conjunction with at least two capacitors, one parallel to the cathode-control electrode and the other parallel to the full-wave rectifier, the resonance frequencies of the LC members being in a ratio of approximately 2:1.
REFERENCES:
patent: 3689798 (1972-09-01), Brukovsky et al.
patent: 3838313 (1974-09-01), Anderson
patent: 4045707 (1977-08-01), Gernot et al.
Petzoldt Jurgen
Sperzel Wolfgang
Thomas Friedrich W.
La Roche Eugene
Leybold-Heraeus GmbH
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