Prysmian has filed a patent for an optical cable design with interlocking ribbon bundles, strength rods, and an outer jacket. The cable ensures low attenuation increase at low temperatures and specific wavelength, meeting stringent performance criteria. 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 cable with improved strength and low attenuation
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A newly filed patent (Publication Number: US20240027714A1) describes an innovative optical cable design that aims to improve performance and durability. The optical cable comprises different types of ribbon bundles, each containing a specific number of optical fibers within a protective jacket. These ribbon bundles are arranged in a unique interlocking pattern within the cable, with additional strength rods embedded in the outer jacket to enhance structural integrity. The design ensures minimal attenuation of optical fibers at low temperatures and specific wavelengths, offering improved performance in challenging environmental conditions.
Furthermore, the patent details a method for manufacturing the optical cable, involving the stranding of various ribbon bundles in a specific configuration before extruding an outer jacket around them. The method includes the incorporation of strength rods around certain ribbon bundles to enhance overall cable strength. Additionally, the patent introduces a high fiber density optical cable variant with over 1700 optical fibers arranged in flexible ribbons within the core. These ribbons are grouped and surrounded by soft deformable bundle jackets, providing a high core fiber density and improved durability. The outer jacket of this high fiber density cable also contains embedded strength rods to maintain structural integrity and ensure optimal performance under varying temperature conditions and specific wavelengths.
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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.
