TDK has been granted a patent for a suspension assembly featuring a static plate and a movable plate, utilizing shape memory alloy (SMA) elements. The assembly allows for movement along the x-axis and y-axis, controlled by a controller, enhancing sensor positioning capabilities. GlobalData’s report on TDK 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 TDK, Battery management systems was a key innovation area identified from patents. TDK's grant share as of June 2024 was 53%. Grant share is based on the ratio of number of grants to total number of patents.
Shape memory alloy-based actuator for precise movement control
The patent US12044219B2 describes an innovative actuator system designed for precise movement in two dimensions, specifically along the x-axis and y-axis. The actuator consists of a static base member and a moving member that incorporates at least one corner with inner rails. It features two actuators, each utilizing shape memory alloy (SMA) elements, positioned on opposing sides of the corner. This configuration allows the first actuator to operate perpendicularly to the second, enabling controlled movement of the moving member relative to the static base. Additional components include flexible circuits for electrical signal transmission, sensor mounting regions, and optional crimp sub-assemblies, bearings, and springs to enhance functionality and stability.
Furthermore, the actuator can be integrated into a suspension assembly, maintaining the same structural and operational principles. The design includes features such as flexible trace circuits that reduce stiffness at the corners, facilitating smoother movement. The moving member can also support an image sensor, which can be maneuvered in both dimensions when the SMA elements are activated. The inclusion of springs and bearings ensures that the moving member remains centered and operates effectively in conjunction with the static base. Overall, this actuator and suspension assembly provide a versatile solution for applications requiring precise motion control.
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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.
