Citizen Watch has filed a patent for a magnetic field sensor head comprising an optical fiber, GI fiber, magnetic film, reflection film, and support member. The innovative design aims to enhance magnetic field sensing capabilities. GlobalData’s report on Citizen Watch 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 Citizen Watch, Under-screen biometric identification was a key innovation area identified from patents. Citizen Watch's grant share as of January 2024 was 28%. Grant share is based on the ratio of number of grants to total number of patents.
Magnetic field sensor head with optical and gi fibers
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The patent application (Publication Number: US20240003994A1) describes a magnetic field sensor head that includes an optical fiber, a GI fiber, a magnetic film, a reflection film, and a support member. The GI fiber is optically connected to the optical fiber, with the magnetic film and reflection film joined to the GI fiber. The support member is attached to the reflection film. The sensor head is designed with specific dimensions and materials to effectively detect magnetic fields.
Furthermore, the patent application details a manufacturing method for the magnetic field sensor head. The method involves melt bonding the optical fiber to the GI fiber and adhering a square-shaped bottom surface of a square columnar rod-shaped member to the other end of the GI fiber. The process includes forming a reflection layer and a magnetic layer on a base member, creating the rod-shaped member with the magnetic layer in a square shape, and cutting the rod-shaped member from the base member. The manufacturing method ensures the precise construction of the sensor head for accurate magnetic field detection.
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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.
