DEVICE AND METHOD FOR ULTRASONIC COMMUNICATION

    公开(公告)号:US20180167147A1

    公开(公告)日:2018-06-14

    申请号:US15378299

    申请日:2016-12-14

    CPC classification number: H04B11/00

    Abstract: This disclosure relates to an ultrasonic communication device, comprising: an adjustable ultrasonic transmitter, configured to transmit an ultrasonic communication signal according to a first transmission scheme or according to a second transmission scheme; a microphone, configured to generate an audio signal, wherein the audio signal comprises audible artifacts which are based on nonlinearities in the transmission of the ultrasonic communication signal; and a controller, configured to adjust the ultrasonic transmitter based on the audio signal.

    Ultrasonic communication system with independent volume control for an audible frequency range

    公开(公告)号:US10817253B2

    公开(公告)日:2020-10-27

    申请号:US16398928

    申请日:2019-04-30

    Abstract: An embodiment of an audio controller device includes technology to control an output of a first audio signal from an audio output device in a human interface frequency range, where the human interface frequency range includes frequencies audible to humans, and control an output of a second audio signal from the audio output device in a device interface frequency range independent from the output of the first audio signal, where the device interface frequency range includes frequencies above an upper limit of the human interface frequency range. Other embodiments are disclosed and claimed.

    DETERMINING EXTERNAL DISPLAY ORIENTATION USING ULTRASOUND TIME OF FLIGHT

    公开(公告)号:US20230021589A1

    公开(公告)日:2023-01-26

    申请号:US17957816

    申请日:2022-09-30

    Abstract: Apparatuses, methods and storage medium associated with identifying a physical distance using audio channels are disclosed herein. In embodiments, an apparatus may include at least one speaker and microphone associated with an audio channel, which may be of a plurality of audio channels. The apparatus may include circuitry to identify an amount of time between times of transmission of a first ultrasonic signal, and receipt of a second ultrasonic signal received via the microphone. The second ultrasonic signal may be transmitted by an external device, which also may provide a time between receipt of the first signal and transmission of the second signal. The amount of time may be usable to determine a physical distance between the apparatus and the external device. Other embodiments may be disclosed or claimed.

    ULTRASONIC COMMUNICATION SYSTEM WITH INDEPENDENT VOLUME CONTROL FOR AN AUDIBLE FREQUENCY RANGE

    公开(公告)号:US20190258453A1

    公开(公告)日:2019-08-22

    申请号:US16398928

    申请日:2019-04-30

    Abstract: An embodiment of an audio controller device includes technology to control an output of a first audio signal from an audio output device in a human interface frequency range, where the human interface frequency range includes frequencies audible to humans, and control an output of a second audio signal from the audio output device in a device interface frequency range independent from the output of the first audio signal, where the device interface frequency range includes frequencies above an upper limit of the human interface frequency range. Other embodiments are disclosed and claimed.

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