Renesas Electronics had seven patents in big data during Q1 2024. Renesas Electronics Corp filed a patent for a computer-implemented method to automatically design a feedforward filter optimized for audio transparency mode in an audio device, dependent on a feedback filter. Another patent describes a semiconductor device with a level detection unit, ring buffer, data processing unit, and address adjustment unit to adjust read address based on bus clock generation and level detection signal validation. GlobalData’s report on Renesas Electronics gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Renesas Electronics grant share with big data 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: A method for automatically designing a feedforward filter (Patent ID: US20240071350A1)
The patent filed by Renesas Electronics Corp. describes a computer-implemented method for automatically designing a feedforward filter optimized for an audio transparency mode of operation in an audio device. The method involves optimizing the feedforward filter based on the feedback filter, determining properties of the feedforward filter, such as the transfer function, and compensating for the passive frequency response of the audio device to enhance audio transparency. The process includes acquiring and averaging various transfer functions, ensuring stability of the feedforward filter, and optimizing the feedback filter before the feedforward filter.
Additionally, the patent includes an automatic feedforward filter design tool for optimizing the feedforward filter in an audio device that operates in audio transparency and noise cancellation modes. The tool is designed for use in headsets, headphones, hearing aids, or personal amplification devices. It emphasizes the interdependence of the feedforward and feedback filters in achieving optimal performance in the audio transparency mode, providing a systematic approach to designing and implementing these filters for enhanced audio quality and transparency in various audio devices.
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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.
