Apartment Investment and Management has been granted a patent for a wideband acoustic immittance measurement apparatus. This device includes an ear probe with acoustic output and input ports, a loudspeaker, a microphone, and a processor to determine acoustic immittance and identify middle ear resonance based on sound frequency analysis. GlobalData’s report on Apartment Investment and Management 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 Apartment Investment and Management, was a key innovation area identified from patents. Apartment Investment and Management's grant share as of June 2024 was 57%. Grant share is based on the ratio of number of grants to total number of patents.
Wideband acoustic immittance measurement apparatus for human ears
The granted patent US11992309B2 describes a wideband acoustic immittance measurement apparatus designed for assessing the acoustic immittance in the human ear. The apparatus includes an ear probe that can be inserted into the ear, featuring an acoustic output port for sound emission and an acoustic input port for sound reception. It is equipped with a loudspeaker connected to the output port and a microphone linked to the input port, which generates an input audio signal based on the sound pressure received. A processor within the apparatus is responsible for providing an output audio signal across a specified frequency range, receiving the input audio signal, and determining the wideband acoustic immittance as a function of frequency. Additionally, the processor identifies middle ear resonance based on the determined immittance.
The claims further elaborate on the identification of middle ear resonance, which is based on specific conditions related to acoustic admittance and susceptance at resonance frequencies. The apparatus can determine various parameters of acoustic immittance, including acoustic admittance, impedance, and reflectance. It also allows for the identification of multiple middle ear resonances and can accommodate static pressure variations in the ear canal through an air pump. The frequency range for the output audio signal is specified to be between 200 Hz and 4 kHz, enhancing the apparatus's capability to analyze a wide spectrum of acoustic responses in the ear. Overall, the patent outlines a sophisticated system for evaluating ear health and function through precise acoustic measurements.
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