Programmable signal processing device
    1.
    发明授权
    Programmable signal processing device 失效
    可编程信号处理装置

    公开(公告)号:US4454590A

    公开(公告)日:1984-06-12

    申请号:US315599

    申请日:1981-10-30

    摘要: The device performs the function ##EQU1## for image processing, where W.sub.i are fixed weights for any specific application. It uses a PROM and accumulator algorithm, in which the memory stores the values ##EQU2## in 2.sup.M words, with addresses formed from one bit of each data word in a given bit position. In operation the most significant bit of each data word is used first to address memory, and in successive clock cycles the other bit positions are used down to the least significant. The memory output words are supplied to the adder-accumulator, and in each clock cycle the adder-accumulator output is shifted left one bit and used as a second input thereof. Then if the data words have N bits designated j=0 to N-1, after N clock cycles the memory output words have each been effectively multiplied by 2.sup.j and accumulated in the sum.

    摘要翻译: 该设备执行图像处理功能,其中Wi是任何特定应用的固定权重。 它使用PROM和累加器算法,其中存储器以2M字存储值,其中地址由给定位位置中的每个数据字的一位形成。 在操作中,首先使用每个数据字的最高有效位来寻址存储器,并且在连续的时钟周期中,其他位位置被使用到最低有效位。 存储器输出字被提供给加法器累加器,并且在每个时钟周期中,加法器累加器输出向左移位一位并用作其第二输入。 然后,如果数据字具有指定为j = 0到N-1的N位,则在N个时钟周期之后,存储器输出字各自被有效地乘以2j并且累加在和中。

    System for effective control of urban environment security
    2.
    发明授权
    System for effective control of urban environment security 失效
    有效控制城市环境安全的制度

    公开(公告)号:US5504717A

    公开(公告)日:1996-04-02

    申请号:US250743

    申请日:1994-05-27

    摘要: A security system for detecting and reporting gunshot events for control of urban environment security which includes a communication link coupled to a plurality of pole units arranged in a dense grid. Each of the plurality of pole units includes a microphone, a data acquisition unit coupled to said microphone, a signal processor for discriminating gunshot events, and a communication interface apparatus coupled at an input to the signal processor. The communication interface also has an output coupled to the communication link, where the communication interface transmits and receives data on the communication link. A central processor is coupled to the communication link so as to receive data from and transmit data to the plurality of pole units. The central processor and the plurality of pole units operate so as to detect and locate gunshot events sensed by one or more of the plurality of pole units.

    摘要翻译: 一种用于检测和报告用于控制城市环境安全的枪声事件的安全系统,其包括耦合到布置在密集网格中的多个极单元的通信链路。 多个极单元中的每一个包括麦克风,耦合到所述麦克风的数据获取单元,用于识别枪声事件的信号处理器,以及耦合到信号处理器的输入处的通信接口装置。 通信接口还具有耦合到通信链路的输出,其中通信接口在通信链路上发送和接收数据。 中央处理器耦合到通信链路,以便从多个极单元接收数据并向其发送数据。 中央处理器和多个极单元操作以便检测和定位由多个极单元中的一个或多个检测到的枪声事件。

    Means and method of processing optical image edge data
    3.
    发明授权
    Means and method of processing optical image edge data 失效
    光学图像边缘数据处理手段和方法

    公开(公告)号:US4553260A

    公开(公告)日:1985-11-12

    申请号:US476743

    申请日:1983-03-18

    IPC分类号: G06T5/00 G06K9/46

    CPC分类号: G06T7/0083

    摘要: Means and methods are provided for processing the quantity Si which corresponds to a point i in space where Si=(Xi.sup.2 +Yi.sup.2).sup.1/2 and Xi and Yi are quantities lying along mutually orthogonal axes in the space. Si is approximated by the expression A.vertline.Xi.vertline.+B.vertline.Yi.vertline. where A and B are constant coefficients selected to minimize the error in value of Si according to a selected error computation. A and B can be approximated as a binary power series with each series including a preselected number of terms. Another embodiment does not require means for approximating A and B as binary power series, but segments the coordinate space into m sectors and computes and Am and Bm for each of said m sectors. A particularly advantageous application of the invention is its use in a device and method for processing edge data concerning an edge in an optical image where Si is the Sobel, Prewitt or Roberts square root edge operators.

    摘要翻译: 提供了用于处理对应于Si =(Xi2 + Yi2)1/2的空间中的点i的量Si和在空间中沿着相互正交的轴的量的Xi和Yi的量的方法和方法。 Si被表达式A|Xi| + B|Yi|近似,其中A和B是选择的常数系数,以根据选择的误差计算来最小化Si的值的误差。 A和B可以近似为二进制功率系列,每个系列包括预选的项数。 另一个实施例不需要用于将A和B近似为二进制幂级数的装置,而是将坐标空间分段为m个扇区,并为每个所述m个扇区计算Am和Bm。 本发明的特别有利的应用是在用于处理关于Si是Sobel,Prewitt或Roberts平方根边缘算子的光学图像中的边缘的边缘数据的装置和方法中的用途。

    Serpentine charge-coupled-device memory circuit
    4.
    发明授权
    Serpentine charge-coupled-device memory circuit 失效
    蛇形电荷耦合器件存储电路

    公开(公告)号:US3965462A

    公开(公告)日:1976-06-22

    申请号:US576059

    申请日:1975-05-09

    申请人: Ronald A. Belt

    发明人: Ronald A. Belt

    CPC分类号: G11C19/287 H01L27/1057

    摘要: In a charge-coupled-device the registers of two adjacent arrays are interleaved in a novel serpentine structure to provide a refresh-cell width of four times the width of a single-shift register.

    摘要翻译: 在电荷耦合器件中,两个相邻阵列的寄存器以新颖的蛇形结构交错,以提供单移位寄存器的宽度的四倍的刷新单元宽度。

    Radiation hard gated feedback memory cell
    5.
    发明授权
    Radiation hard gated feedback memory cell 失效
    辐射硬门控反馈存储单元

    公开(公告)号:US4782467A

    公开(公告)日:1988-11-01

    申请号:US102304

    申请日:1987-09-25

    CPC分类号: G11C5/005 G11C11/4113

    摘要: Pairs of cross coupled transistors are configured as a bistable regenerative circuit. Isolation means, such as diodes or transistors, are provided in the cross coupling paths to ensure that if the logic state of one transistor is temporarily changed by radiation striking the circuit, the logic state of the other transistor it is paired with will not change and the logic state of the unchanged transistor will be utilized to maintain the logic state of the other pair of transistors. CML, DTL and SDFL circuits are disclosed as the preferred embodiments.

    摘要翻译: 成对的交叉耦合晶体管被配置为双稳态再生电路。 在交叉耦合路径中提供了诸如二极管或晶体管之类的隔离装置,以确保如果一个晶体管的逻辑状态由于电路的辐射而暂时改变,与其配对的其他晶体管的逻辑状态将不会改变, 未使用的晶体管的逻辑状态将用于保持另一对晶体管的逻辑状态。 公开了CML,DTL和SDFL电路作为优选实施例。

    METHODS AND SYSTEMS FOR DRIVER NOISE REDUCTION IN A MEMS GYRO
    7.
    发明申请
    METHODS AND SYSTEMS FOR DRIVER NOISE REDUCTION IN A MEMS GYRO 审中-公开
    MEMS陀螺仪中驱动噪声减少的方法和系统

    公开(公告)号:US20080238537A1

    公开(公告)日:2008-10-02

    申请号:US11695512

    申请日:2007-04-02

    IPC分类号: H03K5/00

    CPC分类号: G01C19/5719

    摘要: Systems and methods for reducing driver noise in a MicroElectro-Mechanical Systems (MEMS) gyroscope system are disclosed. An example system includes motor drivers, two proof masses, two substrate electrodes, two motor drive capacitors, and two stationary capacitors. The motor drivers drive the proof masses through the motor driver capacitors. The stationary capacitors output a signal based on the drive signal from the motor drivers. A differential amplifier receives a sense signal from the proof masses and a noise signal from the stationary capacitors, and subtracts the noise signal from the rate sense signal, thereby producing a sense signal with reduced driver noise.

    摘要翻译: 公开了一种用于在微电子机械系统(MEMS)陀螺仪系统中降低驾驶员噪声的系统和方法。 示例系统包括电机驱动器,两个检验质量块,两个基板电极,两个电机驱动电容器和两个固定电容器。 电机驱动器通过电机驱动电容驱动检测质量。 固定电容器根据来自电机驱动器的驱动信号输出信号。 差分放大器接收来自检测质量的感测信号和来自固定电容器的噪声信号,并从速率检测信号中减去噪声信号,从而产生具有降低的驱动器噪声的感测信号。

    System for effective control of urban environment security
    8.
    发明授权
    System for effective control of urban environment security 失效
    有效控制城市环境安全的制度

    公开(公告)号:US5703835A

    公开(公告)日:1997-12-30

    申请号:US627323

    申请日:1996-04-01

    摘要: A security system for detecting a gunshot event. A communication link, and a number of pole units are arranged in a dense grid. Each one of the pole units includes a microphone and a signal conditioning and thresholding unit coupled to the microphone. The signal conditioning and thresholding unit outputs a detection signal in response to an event when an output signal from the microphone exceeds a peak background average. A data acquisition and signal processing unit is coupled to the signal conditioning and thresholding unit for discriminating gunshot events. The data acquisition and signal processing unit remains in a powered down stand-by mode so as to conserve energy until a detection signal is received. The data acquisition and signal processing unit includes apparatus for identifying a gunshot event by measuring an initial pulse time duration and subsequent pulse pattern features, and a communication interface coupled at an input to the data acquisition and signal processing unit. A central processor is coupled to the communication link so as to receive data from the pole units where the central processor and the pole units operate so as to detect and locate gunshot events sensed by one or more of the pole units.

    摘要翻译: 用于检测枪支事件的安全系统。 通信链路和多个极点单元布置在密集网格中。 每个极单元包括麦克风和耦合到麦克风的信号调理和阈值单元。 信号调节和阈值单元响应于来自麦克风的输出信号超过峰值背景平均值的事件输出检测信号。 数据采集​​和信号处理单元耦合到信号调节和阈值单元以识别枪声事件。 数据采集​​和信号处理单元保持断电待机模式,以便节省能量,直到接收到检测信号。 数据采集​​和信号处理单元包括通过测量初始脉冲持续时间和后续脉冲图形特征来识别枪声事件的装置,以及在数据采集和信号处理单元的输入处耦合的通信接口。 中央处理器耦合到通信链路,以便从中央处理器和极单元操作的极点单元接收数据,以便检测和定位由一个或多个极单元感测到的枪声事件。