High-voltage generator

Details High-voltage generator High-voltage generator

1993-07-23

1995-02-28

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310318, H01L 4108

Patent

active

053940482

ABSTRACT:
A high-voltage generator employing a piezoelectric transformer has an inverter having input and output terminals connected to input terminals of the piezoelectric transformer, respectively; a feedback resistor connected to the input terminals of the piezoelectric transformer in parallel with the inverter; and first and second capacitors. The first capacitor is connected between the input terminal of the inverter and a ground. The second capacitor is connected between the output terminal of the inverter and the ground. The inverter, feedback resistor, and capacitors form a self-exciting oscillator to drive the piezoelectric transformer so that the piezoelectric transformer produces a high-voltage output. Since the inverter, feedback resistor, and capacitors are small, thin and light, the high-voltage generator as a whole is also small, thin and light.

REFERENCES:
patent: 3690309 (1972-09-01), Pluzhnikov et al.
patent: 3796897 (1974-03-01), Sakurai
patent: 4044317 (1977-08-01), Newell et al.
patent: 4054936 (1977-10-01), Ansai et al.
patent: 4303908 (1981-12-01), Enemark et al.
patent: 4376919 (1983-03-01), Konno et al.
patent: 5050085 (1991-09-01), Wright

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