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    • 1. 发明授权
    • Apparatus and methods for individual addressing and noise reduction in actuator arrays
    • US09425708B2
    • 2016-08-23
    • US13989979
    • 2011-11-17
    • Eric Andreas HaberDaniel LewinShay KaplanMeir Ben SimonYuval Cohen
    • Eric Andreas HaberDaniel LewinShay KaplanMeir Ben SimonYuval Cohen
    • H04R3/00H02N1/00H04R1/40H04R19/02
    • H04R19/02H02N1/006H04R1/403H04R3/06H04R3/12Y10T29/49117
    • 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 connected to the first, second and third pluralities of electrical connections, operative to receive a digital input signal, and to apply one of a predetermined, finite set of electric potentials to each of said electrical connections respectively, such that resulting movements of the moving elements together produce the desired physical effect.
    • 3. 发明申请
    • APPARATUS AND METHODS FOR INDIVIDUAL ADDRESSING AND NOISE REDUCTION IN ACTUATOR ARRAYS
    • US20130257318A1
    • 2013-10-03
    • US13989979
    • 2011-11-17
    • Andreas Haber EricDaniel LewinShay KaplanMeir Ben SimonYuval Cohen
    • Andreas Haber EricDaniel LewinShay KaplanMeir Ben SimonYuval Cohen
    • H02N1/00
    • H04R19/02H02N1/006H04R1/403H04R3/06H04R3/12Y10T29/49117
    • 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 connected to the first, second and third pluralities of electrical connections, operative to receive a digital input signal, and to apply one of a predetermined, finite set of electric potentials to each of said electrical connections respectively, such that resulting movements of the moving elements together produce the desired physical effect.
    • 6. 发明授权
    • Method for protecting a resonating sensor
    • 保护谐振传感器的方法
    • US08356399B2
    • 2013-01-22
    • US11941992
    • 2007-11-19
    • Shay Kaplan
    • Shay Kaplan
    • H04R31/00
    • G01L9/001A61B5/0215Y10T29/49005Y10T29/4908
    • A method of protecting a resonating sensor is described. The protected resonating sensor may include at least one passive ultrasonically excitable resonating sensor unit. Each sensor unit has one or more vibratable members having a resonating frequency that varies as a function of a physical variable in a measurement environment. The sensor is protected by forming one or more protective chambers defined between a compliant member and the vibratable member(s). A substantially non-compressible medium is disposed within the protective chamber(s). The compliant member has a first side that may be exposed to a measurement environment and a second side that may be exposed to the substantially non-compressible medium. The substantially non-compressible medium may be a liquid or gel and is in contact with the vibratable member(s). When the medium is a liquid, the chamber is sealed. When the medium is a gel, the chamber may be sealed or non-sealed.
    • 描述保护谐振传感器的方法。 受保护的谐振传感器可以包括至少一个被动超声波激发谐振传感器单元。 每个传感器单元具有一个或多个具有在测量环境中作为物理变量的函数变化的谐振频率的可振动构件。 传感器通过形成限定在顺应性构件和可振动构件之间的一个或多个保护室来保护。 基本上不可压缩的介质设置在保护室内。 顺应性构件具有可暴露于测量环境的第一侧和可暴露于基本不可压缩介质的第二侧。 基本上不可压缩的介质可以是液体或凝胶,并且与可振动构件接触。 当介质是液体时,室被密封。 当介质是凝胶时,室可以是密封的或非密封的。
    • 8. 发明授权
    • Passive sensor system using ultrasonic energy
    • US5989190A
    • 1999-11-23
    • US800327
    • 1997-02-14
    • Shay Kaplan
    • Shay Kaplan
    • A61B8/00G01D5/48G01H13/00G01V1/00G10K13/00
    • G01D21/00G01H13/00G01V1/001G10K13/00
    • A passive sensor system utilizing ultrasonic energy is disclosed. The passive sensor system includes at least one ultrasonically vibratable sensor and an ultrasonic activation and detection system. The sensor has at least one vibration frequency which is a function of a physical variable to be sensed. The ultrasonic activation and detection system excites the sensor and detects the vibration frequency from which it determines a value of the physical variable. The sensor includes a substrate having at least one cavity therein, and a vibratable membrane overlying the cavity. Another preferred embodiment of the sensor is a compensated sensor pair including a first sensor whose vibration frequency is responsive to the physical variable to be sensed, and a second sensor whose vibration frequency is non-responsive to the physical variable to be sensed. The second sensor provides a reference vibration frequency for compensating for the effect of other physical variables on the vibration frequency of the first sensor. Another preferred embodiment of the compensated sensor pair includes a second sensor which has a different response characteristic than that of the first sensor to the physical variable to be sensed. In still another preferred embodiment of the compensated sensor of the present invention each of the pair of sensors has multiple vibratable membranes overlying multiple cavities.
    • 9. 发明授权
    • Volume and tone control in direct digital speakers
    • 直接数字扬声器的音量和音调控制
    • US08126163B2
    • 2012-02-28
    • US12301954
    • 2007-05-21
    • Yuval CohenDaniel LewinShay Kaplan
    • Yuval CohenDaniel LewinShay Kaplan
    • H03G5/00H03G3/00
    • H04R1/005H04R1/227H04R3/04
    • A system that includes a direct digital speaker volume control device configured to be coupled to a direct digital speaker. The direct digital speaker includes many pressure producing elements being adapted to generate a sound at a sound pressure level (SPL) and at a given frequency in response to an input signal, without using digital to analog converter. The direct digital speaker inherently exhibits a frequency response throughout its entire frequency range. The direct digital speaker volume control device includes a module for providing few filters each having a distinct cutoff frequency such that each filter exhibits no attenuation below its cutoff frequency and an attenuation response above the filter's cutoff frequency. And a selector for selecting one of the filters according to a selection criterion that depends on a desired volume and frequency of generated sound, and applying the filter to the input signal for generating a filtered signal that fed to the speaker.
    • 一种包括被配置为耦合到直接数字扬声器的直接数字扬声器音量控制装置的系统。 直接数字扬声器包括许多压力产生元件,其适于在不使用数模转换器的情况下响应于输入信号产生声压级(SPL)和给定频率的声音。 直接数字扬声器在整个频率范围内固有地呈现频率响应。 直接数字扬声器音量控制装置包括用于提供少量滤波器的模块,每个滤波器具有不同的截止频率,使得每个滤波器在其截止频率以下没有表现出衰减,并且在滤波器截止频率之上表现出衰减响应。 以及选择器,用于根据选择标准来选择滤波器之一,所述选择标准取决于期望的产生声音的音量和频率,以及将滤波器应用于输入信号以产生馈送到扬声器的滤波信号。
    • 10. 发明申请
    • APPARATUS AND METHODS FOR GENERATING PRESSURE WAVES
    • 用于产生压力波的装置和方法
    • US20100002900A1
    • 2010-01-07
    • US12301951
    • 2007-05-21
    • Yuval CohenDaniel LewinShay Kaplan
    • Yuval CohenDaniel LewinShay Kaplan
    • H04R1/00
    • H04R1/20B81B3/0021H02K7/10H02K16/00H02K33/16H02K2201/18H02N13/00H04R1/005H04R1/403H04R3/12
    • 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 on latching position there by 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.
    • 用于产生物理效应的致动器装置,其至少一个属性对应于根据时钟周期性地采样的数字输入信号的至少一个特征,所述装置包括至少一个移动元件阵列,每个移动元件阵列被交替地背对着行进, 响应于施加到移动元件阵列的交替电磁力,至少一个闩锁可操作以在至少一个闩锁位置上选择性地锁定所述移动元件的至少一个子集,以防止各个移动元件 响应于电磁力,电磁场控制系统可操作以接收时钟,并因此控制电磁力对移动元件阵列的应用,以及可操作以接收数字输入信号并控制锁存器的锁存器控制器 相应地。