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7582988 |
Lethal electric fence energizer
Electric fence energizers used with fencing systems are provided. The energizers can be used to provide an unsafe electric shock, as defined by safety agencies such as UL, where the electric fence...
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7554221 |
High voltage pulsed power supply using solid state switches with droop compensation
Systems and methods for generating a high voltage pulse. A series of voltage cells are connected such that charging capacitors can be charged in parallel and discharged in series. Each cell...
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7514820 |
Capacitor pulse forming network with multiple pulse inductors
Capacitor based pulse forming networks and methods are provided which require fewer inductors are that pulsed more frequently to provide a smaller, lower mass, and lower inductance pulse forming...
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7514819 |
Semiconductor switch assembly for pulse power apparatus
A capacitor-type pulse power apparatus for generating an electric current power pulse through an electrical load, comprises a charging power supply and at least one pulse power supply module. The...
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7474017 |
Low impedance high performance pulse generator
A compact Marx-type generator capable of producing high voltage pulses into low impedance loads. A parallel switch and distributed capacitance topology produce a coaxial-like conduction through the...
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7307362 |
Solid-state microsecond capacitance charger for high voltage and pulsed power
A solid-state high-voltage pulse generator based on a three-phase chopper capacitance charger is described. In a first phase, an intermediate capacitor is resonance-charged via a diode. In a second...
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7218016 |
Explosively driven radio frequency pulse generating apparatus
A device for generating an intense radio frequency pulse through use of a helical Magneto-Cumulative Generator (MCG). The MCG provides a chemical explosion and acts as a converter to transform the...
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7209373 |
High voltage pulse generator
A high voltage pulse generator utilizes an even number of Marx cells using L-C inversion topology. Each Marx cell is associated with an individual inverter transformer having a primary winding...
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7170198 |
Trigger arrangement for a Marx generator
In trigger/firing arrangement in a Marx generator comprising n stage capacitors—n being a natural number greater than 1-, the same amount of spark gaps and 2(n−1) charging branches, with the...
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7151330 |
Apparatus and method for generating high voltages using a voltage inversion generator and multiple closed-path ferrites
A vector inversion generator utilizes closed-path ferrites to modify the characteristics of the generator. The closed-path ferrites increase an inductance within a portion of the generator and...
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7141896 |
Pulse width modulation signal generator
A signal generator has matched reference ( 4 ) and modulation ( 6 ) ramp circuits, each including current source ( 8, 32 ), capacitance ( 10 ) charged by the current source, voltage detector ( 18 )...
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7113013 |
Pulse generating circuit and sampling circuit
There is provided a pulse generating circuit, which generates two pulses having a sign of amplitude different from each other, including: a step recovery diode of which electric potential of an...
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7071631 |
Electromagnetic pulse device
An electromagnetic pulse device having a conductive coil, and optionally a conductive core disposed within the coil and spaced apart there from. One or more plasma discharge devices are disposed at...
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7067939 |
High-voltage pulse generator for an electrostatic filter
A high-voltage pulse generator includes a storage capacitor which is connected to a voltage source via leads. One of the leads is connected to a reference potential via a node point. A switching...
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7002300 |
Microwave generator and method of radiating microwave energy
Intensive microwave radiation in particular of great band width and energy over a relatively long period of time in the form of long pulse packets with a high pulse repetition frequency and a very...
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6838786 |
Device and method for generating intense and brief controlled variations of magnetic pressure in a sample of solid material
A device and a method for generating intense and brief variations of magnetic pressure, predetermined and controlled, capable of being isentropic inside a sample ( 23 ) of solid material. An...
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6690566 |
Trigger circuit for Marx generators
A trigger circuit is provided for a trigger system for a Marx generator column. The column includes a plurality of metal electrode pairs wherein the electrodes of each pair are spaced to form a...
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6633093 |
High voltage pulse generator using a non-linear capacitor
The present invention is a device using a non-linear capacitor and voltage amplification effect, which can generate a pulse having a short pulse width at high voltage. The device comprises a...
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6608405 |
Method of obtaining the adjustable capacitor
The method of obtaining the adjustable capacitor permits transforming all types of capacitors (including Electrolytic, Vacuum, Gas, high-voltage capacitors) into adjustable capacitors without...
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6573618 |
Compact pulse-current supply
Energy-supply systems that supply energy in the power range of a few Megawatts (MW) to Gigawatts (GW) within a pulse duration of a few milliseconds (ms) are referred to as pulse-current supplies....
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6570505 |
LED lamp with a fault-indicating impedance-changing circuit
In a light-emitting-diode lamp, there is provided an input impedance-changing circuit for establishing a low input impedance circuit when the light-emitting-diode lamp is missingline turned off....
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6479909 |
Closure electrifier with a low mass transformer
Several storage condensers ( 1, 1′, . . . 1″ ) are mounted in parallel. Several thyristors ( 2, 2′, . . . 2″ ) are each mounted in parallel with one condenser ( 1, 1′, . . . 1″ ) to...
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6476586 |
Capacitor charge control circuit and microcomputer using the same
A microcomputer has a CPU, a charge and discharge control circuit connected to the CPU, an input/output port, and comparator. A capacitor is connected to the microcomputer through the input/output...
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6448714 |
Spark gap switch and switching method thereof
In a spark gap switch 12 of a pulse generating circuit 2 of a plasma generator T, an intermediate electrode 15 , which is not connected to any electrical source, is disposed at a nearly middle...
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6404353 |
Method for optimizing the detection of the contact point of tactile capacitance surface
A process for detecting the point of touching of a tactile surface. A high frequency signal is sequentially supplied to four corners of a plate having a capacitive surface. This is accomplished by...
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6355992 |
High voltage pulse generator
A high voltage pulse generator provides a short, fast rise, high voltage pulse from a very low impedance suitable for initiating high energy electrical discharges in liquids and high pressure...
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6211683 |
Impulse voltage generator circuit
A pulsed-voltage generator circuit for producing a flash pulsed voltage for testing the capacitance of a unit under test has two stages (1, 2) which can be charged. Each stage (1, 2) comprises,...
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6188144 |
Power supply unit for pulsed laser using magnetic switch
A plurality of series circuits of saturable reactors and transferring capacitors are connected in parallel to a peaking capacitor, the plurality of saturable reactors are magnetically coupled, and...
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6069413 |
Apparatus for generating an alternating magnetic field
An apparatus for producing an alternating magnetic field by arraying a plurality of charged storage elements e.g. capacitors and a plurality of connecting elements e.g. transistors spatially around...
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6058029 |
Power unit for generating discharge shock waves
A power unit for creating discharge shock waves, which is excellent in performance, reliability, and durability is provided with: a plurality of capacitors (C1-C6), connected in series; first coils...
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6020658 |
Electric fence energizer
An energy-efficient energizer for an electric fence for controlling livestock or the like, includes an output voltage sensor. By switching to extra storage capacitance and/or altering the charge...
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5969439 |
Pulse generator apparatus for RF pulse generation in tuned loads including series regulation and capacitor clamping method therefor
An improved pulse generator for RF pulse generation in tuned loads, employing full cycle generators formed by pairs of parallely connected half-cycle SCR-triggered capacitor-charging and...
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5926013 |
Circuit and method for generating a voltage for use during active time periods but not inactive time periods
A circuit for generating an output voltage which is used during active time periods and not during inactive time periods. A DC/DC converter converts an input voltage to the output voltage. During...
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5923227 |
Non-linear dispersive transmission line
A non-linear dispersive transmission line includes a plurality of substantially block-like shaped capacitor elements (4) arranged in sequence in at least two arrays. The even numbered elements (4b,...
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5914974 |
Method and apparatus for eliminating reflected energy due to stage mismatch in nonlinear magnetic compression modules
A high voltage pulse power generating circuit capable of eliminating secondary pulses due to stage mismatch in the stages of its magnetic pulse compressor circuit is disclosed. The pulse generating...
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5900681 |
Electric device for generating high-voltage square pulses
A device for generation of electric square pulses with a short rise time, comprises at least an energy-storing capacitor in the form of a coaxial cable with an insulated screen, wherein essentially...
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5895983 |
Flash charging circuit
A flash charging circuit has first and second transistors (TR1, TR2) which are connected to opposite terminals of a primary coil of a transformer, a battery is connected to a center tap provided in...
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5798579 |
High voltage pulse generator
A high voltage generator including a Marx Generator (1) provides an output of up to 200 kV at a pulse repetition rate of up to 1 kHz. Discharge is triggered by over-volting a first stage (2a) of...
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5767592 |
Pulse generator for electric fences
A circuit (700) for an electric fence energizer (examples are 6 or 24 Joule versions) which synthesizes a pulse having a raised cosine waveform at a first or bus voltage uses a ferrite-cored output...
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5744876 |
Capacitive backup power source for electromechanical actuator
The present invention disclosed and claimed herein comprises a backup power system to supply current to an electromechanical actuator (50) to position a mechanical device (52) to a fail-safe...
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5742104 |
Main operated electric fence energizer
An electric fence energizer is operated by an alternating current and has two storage capacitors (C 1 , C 2 ), which are charged by a charging circuit (7) to a high voltage. The storage capacitors...
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5635776 |
Charge pump voltage converter
A charge pump circuit which has a simple circuit configuration yet can boost the power source voltage 4 or 8 times. The + side electrode of a capacitor C1 is connected to an input terminal 10 via a...
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5579202 |
Transformer device
An air-core transformer device for supplying a high-frequency, pulsating DC voltage on the secondary side of the transformer. The primary side of the transformer has two windings which are...
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5566059 |
Semiconductor chip voltage converter arrangement and method
An on-chip voltage conversion circuit arrangement including charge pump logic circuitry, a dual-phase clock pulse circuit, and a comparator circuit. The dual-phase clock pulse circuit produces...
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5559478 |
Highly efficient, complementary, resonant pulse generation
A power source, inductor and clamping device coupled to generate substantially sinusoidal drive pulses. The power source has an output capacitance. The inductor is connected to the power source and...
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5495226 |
Secondary brake light switch
A secondary brake light switch comprising a hollow housing having a first end and a second end; an electrically conductive plunger slidably disposed within the housing; a switch coupled to the...
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5495209 |
Switched-inverter modulator for producing modulated high voltage pulses
A switched-inverter modulator for use in driving a load that comprises master and slave high voltage power supplies for providing output pulses that directly drive the load. A synchronized pulse...
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5491367 |
Transition time converter
A transition time converter for a pulse having steep slopes includes a coil in a series path between an input terminal and an output terminal, as well as a capacitor and a resistor in a shunt path...
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5469321 |
Magnetizing device having variable charge storage network and voltage control
A magnetizing device for generating a high current magnetizing pulse includes a plurality of charge storage devices and a source of current connected by selector switches for charging selected ones...
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5434456 |
Lumped transmission line avalanche pulser
A lumped linear avalanche transistor pulse generator utilizes stacked transistors in parallel within a stage and couples a plurality of said stages, in series with increasing zener diode limited...
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