Silicon Laboratories had four patents in cybersecurity during Q1 2024. The patent filed by Silicon Laboratories Inc in Q1 2024 describes an apparatus that includes a clock generator, a counter, and a controller. The apparatus is designed to detect potential security violations by monitoring variations in the count of cycles of a generated clock signal. GlobalData’s report on Silicon Laboratories gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Silicon Laboratories grant share with cybersecurity as a theme is 75% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Detecting possible security violations in an integrated circuit (Patent ID: US20240095407A1)
The patent filed by Silicon Laboratories Inc. describes an apparatus and method for detecting potential security violations in an integrated circuit by monitoring clock signals and detecting glitches. The apparatus includes a clock generator, counter, and controller to detect deviations in clock signal counts, which may indicate security breaches. The method involves generating a detection clock signal, identifying glitches, and performing security protection operations in response to potential security violations.
The patent also covers an apparatus with a process monitor circuit, comparator, and controller to detect security violations based on comparison signals. The controller can prevent access to parts of the apparatus in case of a potential security breach. Additionally, a wireless device with a process monitor circuit, comparator, and controller is described, where potential security violations are detected based on voltage comparisons. The device includes cryptographic circuitry to protect information using secure keys, with the potential security violation indicating malicious attempts to access the secure key. The wireless device also includes a non-volatile storage for storing the secure key, which can be a universal key common to a specific stock keeping unit of the integrated circuit.
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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.
