Electrostatic power supply
First Claim
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1. An electrostatic power supply for supplying an output pulse of selected polarity and peak voltage throughout duration of said pulse, comprising:
- transformer means having first and second transformer primaries connected to a D.C. input, each said primary being coupled to reference potential through a normally nonconductive transistor switch,a pulse source and a polarity selector switch in series with a base of each said transistor switch to supply a pulse selectively to one said transistor switch and render a selected one said primary conductive,said transformer means having first and second transformer secondaries connected to a common load forming capacitor,each secondary including a rectifier and a load supplying capacitor in series with said load forming capacitor,a corresponding one said secondary having a current induced therein upon conduction of said selected one primary, andmeans in each said secondary coupled to a corresponding said load supplying capacitor for applying peak secondary voltage thereto whereby said load supplying capacitor remains fully charged and whereby peak energy of said secondary passes through said load supplying capacitor to replace energy drain from said load forming capacitor.
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Abstract
The invention relates to a power supply circuit utilizing a DC input tied to the primary windings of two transformers. A pulse source drives either primary through a selector switch which selects the desired primary to produce a pulsed transformer output of desired polarity. The transformer secondary windings produce a voltage output discharged by a load supplying capacitor. The voltage output is maintained at a desired polarity and at a peak level by periodically pulsing the load supplying capacitor with the same amount of energy taken by the load.
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Citations
2 Claims
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1. An electrostatic power supply for supplying an output pulse of selected polarity and peak voltage throughout duration of said pulse, comprising:
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transformer means having first and second transformer primaries connected to a D.C. input, each said primary being coupled to reference potential through a normally nonconductive transistor switch, a pulse source and a polarity selector switch in series with a base of each said transistor switch to supply a pulse selectively to one said transistor switch and render a selected one said primary conductive, said transformer means having first and second transformer secondaries connected to a common load forming capacitor, each secondary including a rectifier and a load supplying capacitor in series with said load forming capacitor, a corresponding one said secondary having a current induced therein upon conduction of said selected one primary, and means in each said secondary coupled to a corresponding said load supplying capacitor for applying peak secondary voltage thereto whereby said load supplying capacitor remains fully charged and whereby peak energy of said secondary passes through said load supplying capacitor to replace energy drain from said load forming capacitor. - View Dependent Claims (2)
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Specification