Plexus has patented a round counting system for firearms, utilizing magnets, magnetic switches, and antennas in the magazine and firearm to wirelessly transmit round count data. The system aims to provide accurate and real-time information on the number of rounds remaining in the magazine. GlobalData’s report on Plexus gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Plexus, Wearable defibrillators was a key innovation area identified from patents. Plexus's grant share as of May 2024 was 44%. Grant share is based on the ratio of number of grants to total number of patents.

Firearm magazine with round counting system

Source: United States Patent and Trademark Office (USPTO). Credit: Plexus Corp

A recently granted patent (Publication Number: US11971238B2) discloses a round counting system for firearms, comprising a magazine with a follower containing magnets and magnetic switches. The system includes a first antenna within the magazine transmitting data wirelessly to a second antenna in the firearm's magazine well. The second antenna receives power from the firearm to activate the magnetic switches, allowing for round count data transmission and indication of active magnetic switches. A firearm processor correlates signals from the magnetic switches to determine follower position accurately.

Furthermore, the system incorporates unique identifiers for each magazine, stored by the firearm processor upon insertion. The first antenna, configured to fit within the magazine well, wirelessly communicates with the second antenna, enabling seamless power transfer and round count data transmission. The antennas are designed to be flat and parallel to the firearm's firing direction, ensuring efficient operation. With features like correlating signals from adjacent magnetic switches and utilizing firearm power for operation, this innovative round counting system enhances firearm functionality and accuracy.

To know more about GlobalData’s detailed insights on Plexus, buy the report here.

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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 across the world’s largest industries.