Abstract:
A method for fabricating flat loudspeakers comprising manufacturing a flat loudspeaker including at least one microspeaker array, having first and second main surfaces; and covering at least one of the main surfaces of the loudspeaker with a cover member including an airtight sound-pressure wave transparent thin polymer film.
Abstract:
Actuator apparatus for generating a physical effect, at least one attribute of which corresponds to at least one characteristic of a digital input signal sampled periodically in accordance with a clock, the apparatus comprising at least one array of moving elements each constrained to travel alternately back and forth along a respective axis in response to an alternating electromagnetic force applied to the array of moving elements, at least one latch operative to selectively latch at least one subset of said moving elements in at least one latching position thereby to prevent the individual moving elements from responding to the electromagnetic force, an electromagnetic field control system operative to receive the clock and, accordingly, to control application of the electromagnetic force to the array of moving elements, and a latch controller operative to receive the digital input signal and to control the latch accordingly.
Abstract in simplified Chinese:致动器设备,用于产生物理效果,该设备之至少一属性与根据一时钟周期性采样之一数码输入信号之至少一特性相对应,该设备包含移动组件之至少一数组,因应施加至移动组件之数组的一交替的电磁力,强迫各组件沿着一个别轴,被局限以交互地来回行进,至少一问扣运作以选择地闩扣该等移动组件之至少一子集于至少一闩扣位置,借此避免个别移动组件对电磁力反应,一电磁场控制系统运作以接收时钟信号,且因此以控制电磁力之施加至移动组件之数组,且一问扣控制器运作以接收数码输入信号及因此以控制闩扣。
Abstract:
A system for spectacles, equipped with a digital sound reconstruction speaker chip, an energy storage device, a controller, and conductors configured to connect the digital sound reconstruction speaker chip to the controller and the controller to the energy storage device, wherein the controller is configured to control audio content produced by the digital sound reconstruction speaker chip, for supplying audio content to a user of the spectacles, the controlling comprising controlling at least directivity of sound waves produced by the digital sound reconstruction speaker chip. A manufacturing method for spectacles comprising at least one temple and one or more cavities, the method comprising inserting a controller, an energy storage device and at least one digital sound reconstruction speaker chip within the one or more cavities, wherein the controller is configured to control audio content produced by the digital sound reconstruction speaker chip, the controlling comprising controlling at least directivity of sound waves produced by the digital sound reconstruction speaker chip.
Abstract:
There is provided a DSR speaker comprising at least a central moving element, a plurality of peripheral flexure benders, each flexure bender comprising at least a pair of electrodes and at least a piezoelectric material layer, the flexure benders being connected to said moving element and being configured to move said moving element along an axis perpendicular to a moving element surface, in response to an electrical stimulus applied to said electrodes, in order to produce sound, and at least a mechanical stopper which is configured to limit the motion of said moving element. Various manufacturing methods are also described.
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.
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.
Abstract:
Actuator apparatus for generating a physical effect, at least one attribute of which corresponds to at least one characteristic of a digital input signal sampled periodically in accordance with a sampling clock, the apparatus comprising at least one actuator device, each actuator device including an array of moving elements, wherein each individual moving element is operative to be constrained to travel alternately back and forth along a respective axis responsive to an individual first electrostatic force operative thereupon, wherein each moving element has an at-rest position and is driven away from its at rest position solely by the first electrostatic force; and at least one electrode operative to apply a controlled temporal sequence of potential differences with at least one individual moving element from among the array of moving elements thereby to selectably generate the first electrostatic force; and a controller operative to receive the digital input signal and to control at least one of the at least one electrode and the individual moving element to apply the sequence of potential differences.
Abstract:
An actuation system for generating a physical effect, the system comprising at least one array of translating elements each constrained to travel alternately back and forth along a respective axis, toward first and second extreme positions respectively, in response to activation of first and second forces respectively; and a controller operative to use the first and second forces to selectably latch at least one subset of said translating elements into the first and second extreme positions respectively.
Abstract:
Methods for manufacturing actuator apparatus for generating a physical effect, at least one attribute of which corresponds to at least one characteristic of a digital input signal sampled periodically in accordance with a clock, the apparatus comprising at least one actuator device, the methods comprising manufacturing at least one actuator device including providing an array of moving elements, wherein each individual moving element is responsive to alternating magnetic fields and is constrained to travel alternately back and forth along a respective axis responsive to an electromagnetic force operative thereupon when in the presence of an alternating magnetic field, providing at least one latch operative to selectively latch at least one subset of the moving elements in at least one latching position thereby to prevent the individual moving elements from responding to the electromagnetic force, providing a magnetic field control system operative to receive the clock and, accordingly, to control application of the electromagnetic force to the array of moving elements, and providing a latch controller operative to receive the digital input signal and to control the at least one latch accordingly.