NXP Semiconductors had nine patents in mobile during Q4 2023. The patents filed by NXP Semiconductors NV in Q4 2023 focus on methods for authenticating electronic devices by intentionally introducing errors into messages, enabling verification of the device’s authenticity. Additionally, a method for UWB-based communication between mobile devices and peer devices is described, including synchronization steps and DS-TWR sessions. Furthermore, methods and systems for wireless transactions using multicast UWB ranging to determine device proximity and initiate transactions are disclosed. GlobalData’s report on NXP Semiconductors gives a 360-degreee view of the company including its patenting strategy. Buy the report here.
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NXP Semiconductors grant share with mobile as a theme is 44% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Method for authenticating an electronic device (Patent ID: US20230359724A1)
The patent filed by NXP Semiconductors NV describes a method for authenticating electronic devices by intentionally introducing errors into messages and using error locations to verify the authenticity of the device. The method involves determining error locations, inverting bits at these locations to introduce errors, and transmitting the message to a verifier device along with the error locations. The verifier device then compares detected errors in the message to the error locations to authenticate the electronic device, providing a way to detect clones.
The claims associated with the patent detail various aspects of the authentication method, including computing checksums using error detecting or error correcting codes, generating error locations using a secret key or device identifier, and storing error locations in memory. The method also involves checking messages for errors using error correction codes, attempting to correct errors, and determining the authenticity of the electronic device based on the error count. The verifier device can be a smartcard reader, smart phone, CD/DVD player, or printer, and the ECC used may include Hamming code, extended Hamming code, or Reed-Solomon code. The patent outlines a comprehensive approach to authenticating electronic devices using intentionally introduced errors and error locations.
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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.
