Garmin has been granted a patent for a sonar array system that includes multiple sonar arrays and a sonar signal processor. The system is designed to transmit sonar beams in both forward and downward directions by varying power distribution based on phase differences in electronic signals. GlobalData’s report on Garmin gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Garmin, Fitness trackers was a key innovation area identified from patents. Garmin's grant share as of January 2024 was 73%. Grant share is based on the ratio of number of grants to total number of patents.

Sonar array system for transmitting beams in water

Source: United States Patent and Trademark Office (USPTO). Credit: Garmin Ltd

A recently granted patent (Publication Number: US11885918B2) discloses a sonar array system designed to transmit sonar beams into a body of water in both forward and downward directions. The system comprises multiple sonar arrays, each equipped with groups of sonar transducer elements that receive and transmit electronic signals. These signals, including periodic waveforms with varying phases, determine the distribution of power between the forward and downward sonar beams. By adjusting the phase differences between the transmitted signals, the system can control the power levels of the sonar beams in different directions, enhancing the system's overall performance.

Furthermore, the patent details the inclusion of resistors in each sonar array to reduce sidelobes of the transmitted sonar beams. The sonar signal processor, in conjunction with a memory element, processes the received electronic signals to generate sonar data slices and image slices in real-time, providing detailed sonar imagery of the underwater environment. The resistors, categorized into different impedance groups, are strategically connected in series with the sonar transducer elements to optimize the system's performance and minimize unwanted signal interference. This innovative sonar array system offers improved control over the transmitted sonar beams, resulting in enhanced imaging capabilities and reduced sidelobes, ultimately enhancing underwater surveillance and detection applications.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.