Electric lamp and discharge devices: systems – Current and/or voltage regulation – Keyboard operated or pattern controlled regulator
Patent
1977-03-28
1979-12-25
Smith, Alfred E.
Electric lamp and discharge devices: systems
Current and/or voltage regulation
Keyboard operated or pattern controlled regulator
315106, 330 85, G05F 100, H05B 3702, H05B 3904, H05B 4136
Patent
active
041807618
ABSTRACT:
A control device for controlling the emission current of an x-ray tube comprising a control circuit which receives a digital reference value signal and an amplifier whose gain is controlled by a portion of said digital reference value signal so as to provide a comparatively high accuracy for the emission current adjustment with a minimum number of binary positions.
REFERENCES:
Fink, Electronic Engineers' Handbook.
Fink & Carroll, Standard Handbook for Electrical Engineers, 10th Ed.
J. V. Wait, et al., Introduction to Operational Amplifier Theory and Applications, 1975, pp. 8, 9, 357-387.
Stout and Kaufman, Handbook of Op-Amp Circuit Design, 1976, pp. 1-12 and 1-13.
Briody Thomas A.
Franzblau Bernard
Smith Alfred E.
Streeter William J.
U.S. Philips Corporation
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