Comba Telecom Systems has been granted a patent for a phase-shifting and feeding device featuring a U-shaped metal cavity that reduces thickness and weight while maintaining functionality. This innovation simplifies base station antenna design by eliminating the need for a coaxial feeder, promoting miniaturization. GlobalData’s report on Comba Telecom Systems gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on Comba Telecom Systems, VPN tunneling was a key innovation area identified from patents. Comba Telecom Systems's grant share as of June 2024 was 41%. Grant share is based on the ratio of number of grants to total number of patents.
Phase-shifting and feeding device for base station antennas
The patent US12003037B2 describes a phase-shifting and feeding device designed for use in communication systems, particularly in base station antennas. The device features a U-shaped metal cavity that houses a phase-shifting circuit with signal terminals. This circuit is integrated with a feeding network board, which consists of a substrate that has a ground plane and a feeding circuit. The ground plane serves as a base layer for the feeding circuit and is electrically connected to the metal cavity, creating a shielding cavity that enhances the performance of the phase-shifting circuit. The design includes a pin that protrudes towards the feeding network board, which can be inserted into a metalized slot on the substrate, ensuring proper electrical connections.
Further claims detail the structural components of the device, including feeding holes that connect the signal terminals to feeding pads on the substrate, and the use of feeding wires that facilitate these connections. The ground plane can be a monolayer or consist of multiple metal layers, with provisions for insulation from the feeding circuit. Additional features include limit caps on the feeding wires and the potential for multiple metal cavities to enhance shielding. Overall, the invention aims to improve the efficiency and functionality of phase-shifting devices in communication applications, particularly in base station antennas.
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