Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Automatic cut-out or voltage regulator in the cathode or...
Patent
1980-05-07
1982-02-09
La Roche, Eugene
Electric lamp and discharge devices: systems
With cathode or cathode heater supply circuit
Automatic cut-out or voltage regulator in the cathode or...
315127, 315205, 315243, 315340, 328 8, H05B 7148, H02H 720
Patent
active
043151957
ABSTRACT:
A high-voltage power supply for an electron-beam gun with a heatable cathode and an anode and of the type having an electronic switch connected in the current circuit for the cathode and controllable for blocking the current to the cathode, includes an impulse protecting filter connected in the current circuit for the cathode. The filter comprises a capacitor connected in parallel to the cathode, a choke connected in series with the cathode current circuit, a blocking diode and a discharge resistor connected in series therewith, with the diode and resistor connected in parallel with the choke.
REFERENCES:
patent: 3689798 (1972-09-01), Brukovsky et al.
patent: 3760279 (1973-09-01), Rudolph
patent: 3909663 (1975-09-01), Thomas et al.
patent: 3938001 (1976-02-01), Ota et al.
Deppisch Gerd
Redel Karl-Georg
La Roche Eugene
Leybold - Heraeus GmbH
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