System and method for testing
    3.
    发明授权

    公开(公告)号:US09654890B2

    公开(公告)日:2017-05-16

    申请号:US14655074

    申请日:2013-11-17

    CPC classification number: H04R29/001 H04R1/005 H04R29/00

    Abstract: The present disclosure provides a method for testing an apparatus which comprises a set of operational subunits each comprising a moving element, wherein the moving elements move between respective first and second extreme positions, the method comprising: transferring to the apparatus stabilization control commands; transferring to the apparatus first latching-commands for latching to the first extreme position a candidate moving element which is a moving element of a candidate operational subunit; when the first latching control commands are in effect, measuring a first output frequency of an oscillator whose output is coupled to the candidate operational subunit in an electrical coupling setup which causes the output frequency of the oscillator to depend on positions of a plurality of moving elements which comprises the candidate moving element; and based on the first output frequency determining a state of the candidate operational subunit.

    Methods and systems for detecting at least the position of an object in space

    公开(公告)号:US10520601B2

    公开(公告)日:2019-12-31

    申请号:US15566105

    申请日:2016-04-14

    Abstract: According to some embodiments there is provided a sound and detection system comprising at least a digital sound reconstruction speaker apparatus, comprising a plurality of pressure-pulse producing elements, and at least a controlling unit configured to control the actuation of the plurality of pressure-pulse producing elements, so as to produce at least an ultrasonic beam directed towards space during at least a first time interval, for the calculation of at least the position of at least part of an object present in space based on the sensing of at least ultrasonic sound waves reflected by said part of the object, and control the actuation of the plurality of pressure-pulse producing elements, so as to produce audible content during at least a second time interval. Various other systems, methods and applications are described.

    Apparatus and methods for individual addressing and noise reduction in actuator arrays

    公开(公告)号:US09986343B2

    公开(公告)日:2018-05-29

    申请号:US15209894

    申请日:2016-07-14

    Abstract: Apparatus for generating a target physical effect, at least one attribute of which corresponds to at least one characteristic of a digital input signal sampled periodically, the apparatus comprising a multiplicity of electrostatic actuator elements, each comprising a moving element moving between first and second electrodes, the multiplicity of electrostatic actuator elements including Nr first subsets (R-subsets) of actuator elements and Nc second subsets (C-subsets) of actuator elements, wherein a first partitioning of the multiplicity of actuator elements yields the Nr first subsets (R-subsets) and a second partitioning of the multiplicity of actuator elements yields the Nc second subsets (C-subsets); a first plurality of Nr electrical connections (R-wires) interconnecting the moving elements of actuator elements in each R-subset, such that the moving element of any actuator element in each individual R-subset is electrically connected to the moving elements of all other actuator elements in the individual R-subset, and electrically isolated from the moving elements of all actuator elements not in the individual R-subset; a second plurality of Nc electrical connections (A-wires) interconnecting the first electrodes of actuator elements in each C-subset, such that the first electrode of any actuator element in each individual C-subset is electrically connected to the first electrode of all other actuator elements in the individual C-subset, and electrically isolated from all actuator elements not in the individual C-subset; a third plurality of Nc electrical connections (B-wires) interconnecting the second electrodes of actuator elements in each C-subset, such that the second electrode of any actuator element in each individual C-subset is electrically connected to the second electrode of all other actuator elements in the individual C-subset, and electrically isolated from all actuator elements not in the individual C-subset; and a controller electrically.

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