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Patent Searching and Data


Title:
DC HIGH VOLTAGE GENERATOR
Document Type and Number:
Japanese Patent JP3310504
Kind Code:
B2
Abstract:

PURPOSE: To obtain a DC high voltage generator in which the ripple and noise can be removed remarkably from the DC high output voltage.
CONSTITUTION: AC voltage from an AC power supply 1 is subjected to amplitude regulation by means of an amplitude regulator 10 before being fed through a booster transformer 2 to a Cockcroft-Walton circuit 3. A high voltage generated from the Cockcroft-Walton circuit 3 is smoothed through first, second and third filter columns 4, 5 18. Fluctuation components superposed on the voltage generated from a high voltage generator are detected through a second filter column 5 which feeds a detection signal negatively back to the final stage of the first filter column 4 through a high frequency band amplifier 16 and an intermediate frequency band amplifier 17. A fluctuation component signal detected by the third filter column 18 is fed back negatively to means 10 for controlling the amplitude of an AC voltage being fed to the Cockcroft-Walton circuit 3 through a low frequency band amplifier 19.


Inventors:
Horst linen hoschen
Mitsuaki Osaki
Takashi Sakamoto
Application Number:
JP24024895A
Publication Date:
August 05, 2002
Filing Date:
September 19, 1995
Export Citation:
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Assignee:
JEOL Ltd.
International Classes:
H01J37/248; H02M7/10; (IPC1-7): H02M7/10; H01J37/248
Domestic Patent References:
JP231058U
JP60160089U
JP6014692U
JP511792U
JP494982Y1
Other References:
【文献】米国特許3691377(US,A)