Pulse Biosciences has filed a patent for a sub-microsecond pulsed electric field generator. The generator includes a controller, power supply, and pulse generator. The controller receives feedback signals and generates control signals for the power supply and pulse generator. The patent also claims a pulse generator system with a switch, capacitive element, and switch driver. GlobalData’s report on Pulse Biosciences gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Pulse Biosciences, Target mapping ablation catheters was a key innovation area identified from patents. Pulse Biosciences's grant share as of September 2023 was 38%. Grant share is based on the ratio of number of grants to total number of patents.

A sub-microsecond pulsed electric field generator system

Source: United States Patent and Trademark Office (USPTO). Credit: Pulse Biosciences Inc

A recently filed patent (Publication Number: US20230293231A1) describes a pulse generator system that includes a pulse generator and an analog-to-digital converter (ADC). The pulse generator system is designed to generate high voltage pulses and measure various parameters related to these pulses.

The pulse generator stage of the system includes a switch, a capacitive element, and a switch driver with a lossy transformer. The switch driver generates switch control signal pulses to switch the switch, allowing the capacitive element to discharge and generate output pulses. The ADC is coupled to the pulse generator and generates a first digital output based on the voltages at the positive and negative voltage output terminals of the pulse generator.

The first digital output of the ADC represents the voltage difference between the positive and negative voltage output terminals of the pulse generator. To ensure accurate measurements, the positive voltage output terminal is connected to the ADC through a voltage divider. Additionally, a low input impedance differential buffer is connected to the positive and negative voltage output terminals of the pulse generator to drive the inputs of the ADC.

The pulse generator system may also include one or more current monitors. These current monitors are connected to the positive and negative voltage output terminals of the pulse generator and provide inputs to a second channel of the ADC. The ADC can generate a second digital output representing the current difference between the currents flowing through the positive and negative voltage output terminals of the pulse generator.

The patent also describes a method of generating high voltage pulses using the pulse generator system. The method involves charging a capacitive element, converting driving signal pulses to control signal pulses using a lossy transformer in a switch driver, switching the switch to discharge the capacitive element based on the control signal pulse, and generating a first digital output using the ADC based on the voltages at the positive and negative voltage output terminals of the pulse generator.

Overall, this patent presents a pulse generator system and method that can generate high voltage pulses and accurately measure various parameters related to these pulses. The system includes a pulse generator, an ADC, voltage dividers, low input impedance differential buffers, and current monitors. The method involves charging capacitive elements, converting driving signal pulses, switching the switch, and generating digital outputs using the ADC. This technology could have applications in various fields, including medical devices and scientific research.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies