Avista has been granted a patent for a device with a modem and dual-polarized sub-arrays that generate a collective beamwidth larger than individual beamwidths. This innovation enhances communication capabilities. GlobalData’s report on Avista 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 Avista, Fuel cell powered drones was a key innovation area identified from patents. Avista's grant share as of January 2024 was 39%. Grant share is based on the ratio of number of grants to total number of patents.

Dual-polarized sub-array device with increased beamwidth

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

A recently granted patent (Publication Number: US11863246B2) discloses a device comprising a modem with two feed ports and two planar dual-polarized sub-arrays. The first sub-array includes two orthogonally polarized elements connected to the feed ports, while the second sub-array also consists of two orthogonally polarized elements linked to the feed ports. By combining the outputs of these sub-arrays, a collective beamwidth greater than the individual beamwidths is generated, enhancing the overall performance of the device. The predetermined phases and amplitudes of the elements are crucial in determining the polarization of signals transmitted and received by the device.

Furthermore, the patent describes additional features such as power combiners and splitters, a third planar dual-polarized sub-array, and a feed network that optimizes the power distribution across the beamwidth. The device's design allows for constructive interference between the sub-arrays, resulting in a more extensive radiation pattern than each sub-array's individual pattern. By strategically delaying the phase of power to the elements, the device can manipulate the polarization trajectory around a Poincaré sphere, ensuring optimal power distribution. These innovative features contribute to the device's ability to efficiently transmit and receive signals while maintaining a high level of performance and reliability in various 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.