# US 10,483,723 B2 · Power amplification device

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- Number: US 10,483,723 B2
- Document ID: US10483723B2
- Status: Granted
- Kind: B2
- Application number: 16/308,924
- Filed: 2017-06-23
- Published: 2019-05-16
- Granted: 2019-11-19
- Earliest claimed: 2016-06-28
- Assignees: Ene29 S.Ar.L.
- Applicants: Ene29 S.A.R.L.
- Inventors: Michaël Delchambre; Romain Pecquois; Nicolas Innocenti; David Genez
- Web page: https://patentgrep.com/patent/US10483723B2

## CPC

- H01T 2/02: comprising a trigger electrode or an auxiliary spark gap
- H01T 1/22: by the shape or the composition of the electrodes
- H01T 15/00: Circuits specially adapted for spark gaps, e.g. ignition circuits (ignition circuits for internal-combustion engines F02P; electric spark ignition for combustion apparatus F23Q; protection circuits using spark gaps H02H9/06)
- H03K 3/537: the switching device being a spark gap
- H01T 1/20: Means for starting arc or facilitating ignition of spark gap
- H01T: SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES (overvoltage protection circuits H02H)
- H03K: PULSE TECHNIQUE (measuring pulse characteristics G01R; modulating sinusoidal oscillations with pulses H03C; transmission of digital information H04L; discriminator circuits detecting phase difference between two signals by counting or integrating cycles of oscillation H03D3/04; automatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses where the type of generator is irrelevant or unspecified H03L; coding, decoding or code conversion, in general H03M)

## Abstract

The present invention relates to a power amplification device capable of being powered by a single input voltage and comprising a switching module comprising a first discharge electrode and a second discharge electrode. The power amplification device comprises a triggering module configured to convert the input voltage into a first supply voltage and a second supply voltage, detect an activation event, generate an activation signal from the first supply voltage when an activation event has been detected, generate a pulse command from the second supply voltage when an activation signal has been generated, and transmit the generated pulse control to the triggering means of the switching module so that it triggers the formation of an electric arc between the first discharge electrode and the second discharge electrode.

## Claims

### Claim 1

Power amplification device capable of being powered by one single input voltage and comprising a switching module, said switching module comprising a first discharge electrode and a second discharge electrode, arranged opposite one another at a predetermined set distance defining a space for generating an electric arc, and a triggering means located near said space and being configured to trigger the formation of said electric arc in said space, said power amplification device comprising a triggering module configured to:
convert the input voltage into a first supply voltage and into a second supply voltage,
detect an activation event,
generate, from the first supply voltage, an activation signal when an activation event has been detected,
generate, from the second supply voltage, a pulse command when an activation signal has been generated, and
transmit the pulse command generated to the triggering means of the switching module, so that the triggering means triggers the formation of an electric arc between the first discharge electrode and the second discharge electrode.

### Claim 2 (depends on 1)

Power amplification device according to claim 1, wherein the triggering module is configured to compare the value of the input voltage with a predetermined threshold value and to generate the activation signal when the value of the input voltage is greater than or equal to the predetermined threshold value.

### Claim 3 (depends on 1)

Power amplification device according to claim 1, wherein the triggering module comprises a timer and is configured to generate the activation signal periodically relying on said timer.

### Claim 4 (depends on 1)

Power amplification device according to claim 1, wherein the value of the first voltage is between 1 and 10V.

### Claim 5 (depends on 1)

Power amplification device according to claim 1, wherein the activation signal is presented in the form of a voltage step of which the amplitude is equal to the value of the first voltage.

### Claim 6 (depends on 1)

Power amplification device according to claim 1, wherein the value of the second voltage is around several hundred Volts.

### Claim 7 (depends on 1)

Power amplification device according to claim 1, wherein the pulse command is presented in the form of a voltage pulse signal of which the duration is between 0.5 and 10 μs.

### Claim 8 (depends on 7)

Power amplification device according to claim 7, wherein the voltage pulse signal reaches a maximum value of around 20 kV, making it possible for the triggering means to trigger the formation of the electric arc between the first discharge electrode and the second discharge electrode.

### Claim 9 (depends on 8)

Power amplification system comprising a power amplification device according to claim 8 and a current generator delivering a voltage of between 5 and 40 kV at the input of said power amplification device.

### Claim 10

Method for generating an electric arc between a first discharge electrode and a second discharge electrode, arranged opposite one another at a predetermined set distance defining a space for generating an electric arc, the generation of said electric arc being triggered by a triggering means located near said space, said method, implemented by a power amplification device powered by an input voltage, comprising the steps of:
converting the input voltage into a first supply voltage and into a second supply voltage,
detecting an activation event,
generating, from the first supply voltage, an activation signal when an activation event has been detected,
generating, from the second supply voltage, a pulse command when an activation signal has been generated, and
transmitting said pulse command generated by the triggering means, so that the triggering means triggers the formation of an electric arc between the first discharge electrode and the second discharge electrode.
