Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Pulsating or a.c. supply to the cathode or heater circuit
Patent
1976-03-29
1977-08-30
La Roche, Eugene R.
Electric lamp and discharge devices: systems
With cathode or cathode heater supply circuit
Pulsating or a.c. supply to the cathode or heater circuit
219121EB, 315107, 315291, 315307, H05B 702, H01J 3730, B23K 1500
Patent
active
040457079
ABSTRACT:
System for the power control of high voltage electron beam generators having a cathode and a control electrode associated with the cathode. The system is provided with a high voltage isolation transformer with primary and secondary winding for supplying the control electrode with a control voltage. A system precedes the isolation transformer on the primary side and is adapted to generate square wave pulses susceptible of amplitude modulation. The pulse generator is designed such that the pulses are square wave impulses symmetrical with the null line. The isolation transformer is provided with a tertiary winding on the primary side and the primary winding receives input from an amplifier whose input is connected with the output voltage of the tertiary winding. A rectifier bridge is connected to the secondary winding.
REFERENCES:
patent: 3376473 (1968-04-01), Oku
patent: 3689798 (1972-09-01), Brukovsky et al.
patent: 3909663 (1975-09-01), Thomas et al.
Friedric-Wilhelm Thomas
Gernot Thorn
La Roche Eugene R.
Leybold-Heraeus GmbH & Co. KG
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