Cochlear has been granted a patent for an assembly comprising a package with an acoustic sensor and a printed circuit board. The design allows sound to reach the sensor while shielding it from electromagnetic interference. GlobalData’s report on Cochlear 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 Cochlear, Neuromodulation implants was a key innovation area identified from patents. Cochlear's grant share as of January 2024 was 47%. Grant share is based on the ratio of number of grants to total number of patents.
Acoustic sensor assembly with electromagnetic interference shielding
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A recently granted patent (Publication Number: US11889670B2) discloses an assembly comprising a package with a housing containing an acoustic sensor and a printed circuit board. The sensor, which can be a microelectromechanical system (MEMS) microphone, generates signals indicative of sound received through a hole in the housing. The printed circuit board features a second hole aligned with the first hole to allow sound propagation while shielding the sensor from electromagnetic interference using an electrically conductive layer. The assembly also includes circuitry for electrical communication and a biocompatible casing for potential implantation.
Furthermore, the patent describes a method for mounting the microphone package onto the printed circuit board, ensuring proper alignment of the acoustic port with the hole. By soldering electrically conductive pads, the package is securely attached to the board. The electrically conductive layer on the board mitigates electromagnetic interference and electrostatic discharge, protecting the sensor's performance. The assembly's design allows for a predetermined acoustic impedance and frequency response, making it suitable for various applications, including implantable devices. The mesh within the hole serves to shield the sensor and alter the acoustic impedance, enhancing the assembly's performance and reliability in mitigating EMI and ESD.
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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.
