Prysmian has been granted a patent for an assembly of sections with optical fibers enclosed in junction boxes, allowing for easy optical connection between sections. The design ensures the left and right ends of the elongated structure and optical fiber are aligned for seamless connection. GlobalData’s report on Prysmian 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 Prysmian, Data center optical networking was a key innovation area identified from patents. Prysmian's grant share as of January 2024 was 64%. Grant share is based on the ratio of number of grants to total number of patents.

Optical fiber assembly for connecting sections

Source: United States Patent and Trademark Office (USPTO). Credit: Prysmian SpA

A recently granted patent (Publication Number: US11867954B2) discloses a unique assembly system comprising sections designed to be assembled together. Each section includes an elongated structure with an optical fiber extending from left to right ends, enclosed in a junction box at each end. These junction boxes allow for optical connections between sections, enabling the assembly of multiple sections. The patent also details the use of decoupling means to separate pulling forces on the structure and junction box from the optical fiber, ensuring efficient assembly and operation.

Furthermore, the patent outlines a detailed process for assembling the sections, including connecting the elongated structures, assembling the junction boxes, and controlling the optical connections between fibers. The process involves steps such as fixing the assembled junction boxes with securing means, removing removable covers or plugs before connecting junction boxes, and using couplers and optical control means to manage the optical fibers effectively. Additionally, the patent describes the use of protection covers and housings to safeguard the assembled junction boxes and connections from external elements, enhancing the durability and reliability of the assembly system.

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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.