Low ripple regulated X-ray tube power supply

Details Low ripple regulated X-ray tube power supply Low ripple regulated X-ray tube power supply

1980-07-14

1982-09-21

Smith, Alfred E.

X-ray or gamma ray systems or devices

Electronic circuit

X-ray source power supply

315308, 363 15, 363 95, H01J 4014, H05G 130, H05G 110

Patent

active

043508910

ABSTRACT:
A low ripple high voltage power supply is disclosed for use in a dental X-ray system, utilizing a rectifier and regulator circuit to provide a low voltage regulated DC signal, a DC-AC converter for providing a high frequency chopped power signal suitable for efficient transformation to a high voltage, followed by a multiplier for generating the final high voltage signal to be applied to the X-ray tube. A high frequency clock circuit is used for driving the converter and also for controlling logic circuitry used to develop the regulator control signals. Both a voltage and a current control loop are utilized in the regulator control, and the tube anode current and filament current are controlled as a function of sensed anode current.

REFERENCES:
patent: 3320477 (1967-05-01), Boeker
patent: 3863140 (1975-01-01), Easter et al.
patent: 3974387 (1976-04-01), Bronner et al.
patent: 4076996 (1978-02-01), Maehara et al.
patent: 4238683 (1980-12-01), Baumann
patent: 4246633 (1981-01-01), Borkovitz

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