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Ai Technology Inc patents


Recent patent applications related to Ai Technology Inc. Ai Technology Inc is listed as an Agent/Assignee. Note: Ai Technology Inc may have other listings under different names/spellings. We're not affiliated with Ai Technology Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Ai Technology Inc-related inventors


Biological signal processing device and blood pressure measurement system

An r-wave of a heartbeat signal accompanied by periodic fluctuation is detected to obtain the average value of an rr interval. Further, a waveform of a heart sound signal, which periodically fluctuates in synchronization with the heartbeat signal, is forcibly repositioned at an interval equivalent to the average value of the rr interval. ... Ai Technology Inc

Signal source identifying device for biological information, and signal source identifying method for biological information

In order to be able to accurately identify a signal source using a radio wave-type non-contact radio wave sensor without being affected by surrounding environmental vibrations, a first environmental information associated with a biological information detected by a first non-contact sensor, and a second environmental information associated with a biological information detected by a second non-contact sensor are subtracted by a first subtractor, and the signal from the first subtractor is added to a first adaptive filter and extracted as a noise source. Next, the noise source signal extracted by the adaptive filter is subtracted from the first environmental information associated with the biological information detected by the first non-contact sensor by a second subtractor, and the position of a subject is identified in accordance with the magnitude of the signal from the second subtractor.. ... Ai Technology Inc

Sudden-onset signal processing device for biological information, and sudden-onset signal processing method for biological information

A device and method for detecting biological information without being affected by sudden-onset signal even when sudden-onset large vibration is caused while driving a vehicle or the like. Peak input and output values of a variable delay device are detected, and the difference between the values is determined by a subtractor. ... Ai Technology Inc

Biological signal detection device

A biological signal detection device including a first fft transformer that performs fast fourier transformation on a signal of a first sensor, and that outputs a complex data row formed by a first real part data row and a first imaginary part data row; a second fft transformer that performs fast fourier transformation on a signal of a second sensor, and that outputs a complex data row formed by a second real part data row and a second imaginary part data row; a frequency component subtractor that subtracts the first real part data row from the second real part data row to output a noise-removed first real part data row; and a fft inverse transformer that performs fast fourier inverse transformation on the noise-removed first real part data row and the second imaginary part data row.. . ... Ai Technology Inc

Heartbeat detecting device and biological signal processing device

The difference between the current value and the last value of an rr interval is compared with a predetermined reference differential value, and an attenuation time constant of a peak-hold section is controlled according to the comparison result.. . ... Ai Technology Inc

Biological signal detecting device, biological signal processing device, and blood pressure measuring system

A radio wave transmitted from an oscillation source through a first antenna is received each by a second antenna and a third antenna, and a synchronous detection is performed. Variation in impedance of a subject, i.e., variation in impedance of a human body, causes an effect equivalent to performing amplitude modulation with respect to an unmodulated radio wave, and gain fluctuation of a received radio wave caused due to the existence of the human body is cancelled out by a differential amplifier.. ... Ai Technology Inc

Detection sensor

Provided is a detection circuit that has a first inductor connected to two opened input ends and detects an external signal having a waveform with a gradient at each input end. The detection sensor further includes an output circuit that has a second inductor magnetically coupled with the first inductor as a primary side. ... Ai Technology Inc

Heart sound denoising apparatus, method, and program

Provided is a heart sound denoising apparatus that includes: a heart sound signal acquisition unit that acquires a heart sound signal collected by a sound collector; a pulsation signal acquisition unit that acquires a pulsation signal of a living body; a peak interval acquisition unit that acquires a peak interval of the acquired pulsation signal; a first resampling unit that resamples the heart sound signal corresponding to the acquired peak interval, to a predetermined number of samples, with respect to the heart sound signal detected at a same time as the acquired pulsation signal; a noise removal unit that removes a noise component from the resampled heart sound signal; and a second resampling unit that resamples the heart sound signal resampled by the first resampling unit and with the noise removed, to a number of samples of the peak interval.. . ... Ai Technology Inc








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