Stabilizing a transducer output

Details Stabilizing a transducer output Stabilizing a transducer output

1982-10-15

1984-07-24

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

358 74, H01J 2952

Patent

active

044619839

ABSTRACT:
The output delivered by a transducer having an integral power law transfer characteristic is stabilized by controlling output signal components related to the operating bias and gain of the transducer circuit. A test input signal comprising a sine-wave is applied to the transducer. The fundamental and integral harmonic components are filtered from the resulting output signal. The transducer is stabilized by restoring in sequence the amplitude of the harmonic and fundamental components to predetermined values respectively related to desired operating gain and bias conditions. A typical transducer is a cathode ray tube.

REFERENCES:
patent: 4387390 (1983-06-01), Reneau et al.
patent: 4387403 (1983-06-01), Van Buul
B.B.C. Research Department report PH-22, 1968/38, "Control of the Picture Display in Colour Film Recording Equipment".

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