Cirrus Logic has developed an innovative audio-haptic system that generates haptic and audio signals from a single input channel. The system includes a signal processor, drive circuit, audio output transducer, and haptic output transducer, all on a single ASIC chip. Synchronization module ensures accurate output timing. 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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According to GlobalData’s company profile on Cirrus Logic, Voice biometrics was a key innovation area identified from patents. Cirrus Logic's grant share as of April 2024 was 65%. Grant share is based on the ratio of number of grants to total number of patents.
Audio-haptic system deriving signals from single audio channel
The granted patent (Publication Number: US11966513B2) discloses an innovative audio-haptic system that combines audio and haptic feedback in a single device. The system includes a signal processor, a drive circuit, an audio output transducer, and a haptic output transducer. The drive circuit, implemented on a single ASIC chip, generates separate audio and haptic drive signals based on input signals representing audio and haptic information. A synchronisation module within the drive circuit ensures the output signals are synchronized, accounting for any variations in recovery and output paths. This technology allows for a seamless integration of audio and haptic feedback in devices, enhancing user experience.
Furthermore, the patent includes claims for a drive circuit and a single ASIC chip designed for use in the audio-haptic system. The drive circuit, with a synchronisation module, ensures the accurate synchronization of audio and haptic signals. The single ASIC chip integrates the drive circuit, comprising separate audio and haptic output amplifiers, on a single chip. This compact design streamlines the manufacturing process and enables efficient implementation of the audio-haptic system in various devices. Overall, the patent showcases a novel approach to integrating audio and haptic feedback, offering a comprehensive solution for enhancing user interaction with electronic 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.
