Qisda. has filed a patent for a microstrip antenna design that aims to increase bandwidth. The antenna includes a substrate, feedline, impedance matching structure, and patch radiator. The impedance matching structure features a stepped impedance change to enhance performance. GlobalData’s report on Qisda 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 Qisda, Drone gimbals was a key innovation area identified from patents. Qisda's grant share as of January 2024 was 54%. Grant share is based on the ratio of number of grants to total number of patents.
Microstrip antenna with increased bandwidth
The patent application (Publication Number: US20240039162A1) describes a microstrip antenna design that includes a substrate with a feedline, an impedance matching structure, and a patch radiator. The impedance matching structure is divided into three sections along the axial direction, with varying widths and lengths. The patch radiator is positioned adjacent to the impedance matching structure, with specific distance requirements for optimal performance.
Furthermore, the patent application specifies that the width of the third section of the impedance matching structure is smaller than or equal to the first width, and the lengths of each section decrease sequentially. The design also includes specific ratios between the lengths of the sections, with the second length being at least three times the third length. Additionally, the patch radiator has a width larger than the widths of the impedance matching structure sections. The distance between the patch radiator and the impedance matching structure falls within a specified range for effective coupling. Overall, the unique configuration of the microstrip antenna aims to enhance performance and efficiency within the specified distance parameters.
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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.
