Knowles has been granted a patent for a microelectromechanical systems (MEMS) device that includes a MEMS die and an electrical circuit to determine the nominal capacitance of the MEMS die. The device utilizes a first and second capacitor to produce output signals for accurate capacitance measurement. GlobalData’s report on Knowles 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 Knowles, was a key innovation area identified from patents. Knowles's grant share as of May 2024 was 33%. Grant share is based on the ratio of number of grants to total number of patents.
Mems device for determining nominal capacitance using capacitors ratios
A recently granted patent (Publication Number: US11975963B2) discloses a microelectromechanical systems (MEMS) device that includes a MEMS die and an electrical circuit connected to the die. The electrical circuit features two capacitors that generate output signals based on input from the MEMS die. By analyzing the ratio of these output signals and the capacitances of the capacitors, the device can determine the nominal capacitance of the MEMS die. Additionally, the device may include a base with a port and a cover to protect the MEMS die and electrical circuit.
Furthermore, the patent describes a method for assessing the health of a MEMS device by sending a test tone to the MEMS transducer, generating a signal, and passing it through capacitors to produce output signals. The electrical circuit then calculates the ratio between these signals to determine the measured nominal capacitance of the MEMS transducer. This innovative approach allows for efficient monitoring and evaluation of MEMS devices, ensuring their optimal performance and longevity.
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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.
