Silicon Motion Technology‘s patented solution addresses deteriorated non-volatile memory by safely moving valid data from high-risk blocks when undesirable data is detected. The controller ensures data integrity by changing raw data before moving it. The device uses multiple channels and registers to flag problematic data. GlobalData’s report on Silicon Motion Technology 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 Silicon Motion Technology, M2M communication interfaces was a key innovation area identified from patents. Silicon Motion Technology's grant share as of February 2024 was 81%. Grant share is based on the ratio of number of grants to total number of patents.
Data storage device for deteriorated non-volatile memory
A recently granted patent (Publication Number: US11922044B2) discloses a data storage device and control method for a non-volatile memory. The device includes a non-volatile memory and a controller that performs safety moving of valid data when undesirable data is detected, ensuring the integrity of stored information. The controller accesses the memory through multiple channels and utilizes registers to flag channels with undesirable data, enhancing data management efficiency. Additionally, the device incorporates a scrambling and descrambling module for data security, error checking, and correction mechanisms to maintain data integrity.
Furthermore, the control method outlined in the patent involves various steps such as changing raw data before moving it, accessing memory through multiple channels, and utilizing registers to flag channels with undesirable data. The method also includes error checking and correction processes, temporary storage of data in a random access memory, and the use of a deterioration data structure for efficient data management. By implementing these methods, the patent aims to enhance the reliability and efficiency of data storage devices, particularly in scenarios where data deterioration or undesirable data is detected, ensuring the safe movement of valid data and maintaining the overall integrity of stored information.
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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.
