Cirrus Logic had 40 patents in future of work during Q1 2024. Cirrus Logic Inc filed patents in Q1 2024 related to methods for compensating signal path gain changes due to environmental conditions, controlling switch transitions in inductive switching circuits to reduce transition time and maintain voltage levels, and reducing RTS/flicker noise in semiconductor devices by applying pre-bias to control charge carrier traps. The patents focus on improving performance and efficiency in electronic circuits. GlobalData’s report on Cirrus Logic gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Cirrus Logic grant share with future of work as a theme is 57% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Compensation of environmental drift by tracking switched capacitor impedance versus resistor impedance (Patent ID: US20240080034A1)
The patent filed by Cirrus Logic Inc. describes a method and system for monitoring and compensating for changes in impedance in a signal path comprising a passive antialiasing filter and a switched-capacitor front-end. The method involves monitoring the change in impedance of a resistor in the antialiasing filter relative to the impedance of a switched capacitor in the front-end in response to environmental conditions and compensating for any resulting change in gain in the signal path. Various techniques are proposed for monitoring impedance changes, including analog phase-locked loops, analog frequency-locked loops, and digital phase-locked loops, each involving different control mechanisms to adjust the gain of the signal path accordingly.
Additionally, the system described in the patent includes monitoring circuitry to detect impedance changes in the signal path and compensation circuitry to adjust the gain of the signal path based on the detected changes. The system utilizes similar monitoring techniques as the method, such as analog and digital phase-locked loops, to ensure accurate compensation for impedance variations caused by environmental conditions. By implementing these monitoring and compensation mechanisms, the system aims to maintain the integrity and performance of the signal path in the presence of changing impedance, with a particular focus on temperature variations as a key environmental condition affecting impedance.
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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.
