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公开(公告)号：US10955955B2
公开(公告)日：2021-03-23
申请号：US16369738
申请日：2019-03-29
Inventor： Pablo Peso Parada , Tom Birchall , Hamid Sepehr
IPC: G06F3/041
Abstract: A controller for use in a device which comprises at least two force sensors in a given arrangement, the controller operable, based on input sensor signals derived from the force sensors, to carry out an arrangement-related operation in which an output sensor signal is generated based on at least two said input sensor signals and the arrangement of the force sensors in the device so that the output sensor signal is dependent on said arrangement.
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公开(公告)号：US20190187261A1
公开(公告)日：2019-06-20
申请号：US16219120
申请日：2018-12-13
Inventor： Pablo Peso Parada , Rahim Saeidi
Abstract: Embodiments of the present disclosure provide apparatus, methods and computer programs for ultrasonic proximity-detection. In one embodiment, processing circuitry comprises: a first input for receiving an indication of an interrogating ultrasonic signal; a second input for receiving a detected ultrasonic return signal; an adaptive filter, coupled to the first and second inputs, operative to estimate a transfer function between the interrogating ultrasonic signal and the detected ultrasonic return signal; a feature extract module, coupled to the adaptive filter, operative to calculate statistical moments of one or more of: the estimated transfer function; an estimated ultrasonic return signal, calculated based on the interrogating ultrasonic signal and the estimated transfer function; and an error signal, representing the error between the estimated ultrasonic return signal and the detected ultrasonic return signal; and a classifier module, coupled to the feature extract module, operative to determine the presence of a nearby object based on the statistical moments.
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