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    • 1. 发明授权
    • Data processing system for logically adjacent data samples such as image data in a machine vision system
    • 用于逻辑相邻数据样本的数据处理系统,例如机器视觉系统中的图像数据
    • US06208772B1
    • 2001-03-27
    • US08953772
    • 1997-10-17
    • Michael John WiltMichael Philip Greenberg
    • Michael John WiltMichael Philip Greenberg
    • G06K956
    • G06T3/4007G06F13/4027G06T1/60G06T5/20
    • A data processing system including a data processor, also called a processing accelerator, processes at least one processor word each clock cycle. Each processor word includes multiple complete data samples which are received individually as part of a sequential stream of logically adjacent or related data samples such as in image data pixels which are part of an image to be processed by a machine vision system. A predetermined number of the data samples are stored together, as a processor word, in dedicated processing accelerator memory. For example, four 8 bit data samples can be stored together as one 32 bit processor word. The system also includes a data aligner which allows the processing accelerator to process at least one processor word comprised of at least one data sample from two processor words. The aligner controls data sample alignment such as for example, pixel alignment in the case of a vision system, to facilitate image data processing. Various processing units are also disclosed including: a neighborhood formation processing unit which, in a vision system, allows the processing accelerator to evaluate and process data within a neighborhood of one or more particular data elements, such as a pixel.
    • 包括数据处理器(也称为处理加速器)的数据处理系统每个时钟周期处理至少一个处理器字。 每个处理器字包括多个完整数据样本,其被单独地接收为逻辑相邻或相关数据样本的顺序流的一部分,例如作为要由机器视觉系统处理的图像的一部分的图像数据像素。 将预定数量的数据样本作为处理器字存储在专用处理加速器存储器中。 例如,四个8位数据样本可以一起存储为一个32位处理器字。 该系统还包括数据对准器,其允许处理加速器处理由两个处理器字组成的至少一个数据样本的至少一个处理器字。 对准器控制数据样本对准,例如在视觉系统的情况下的像素对准,以便于图像数据处理。 还公开了各种处理单元,包括:邻域形成处理单元,其在视觉系统中允许处理加速器评估和处理诸如像素之类的一个或多个特定数据元素的邻域内的数据。
    • 8. 发明授权
    • Power control system for illumination array
    • 照明阵列功率控制系统
    • US06349023B1
    • 2002-02-19
    • US09512575
    • 2000-02-24
    • Michael Philip Greenberg
    • Michael Philip Greenberg
    • H02H504
    • H05B33/0851H05B33/0887Y02B20/341
    • A power control system, which serves to protect a dissipative/resistive load from exceeding a predetermined temperature limit. The power control system accurately models the temperature of the load and enforces a cooling period to reduce the temperature of the load being protected to a base temperature level if the predetermined temperature limit is reached. Also provided is a method of selectively connecting and disconnecting a resistive load to and from a power source to prevent the resistive load from exceeding a predetermined high temperature limit. The method includes sensing a voltage proportional to the instantaneous power passing through the resistive load by wiring a current sensing resistor in series with the resistive load. Then, a load temperature is modeled using a load temperature modeling circuit to produce an output voltage proportional to a present temperature of the resistive load. A power switch is then selectively controlled to disconnect said power source from the resistive load when a high temperature limit is reached and to re-connect the power source to the resistive load when a base temperature is reached.
    • 功率控制系统,其用于保护耗散/阻力负载超过预定温度极限。 如果达到预定的温度限制,电力控制系统可以精确地模拟负载的温度并执行冷却周期以将被保护负载的温度降低到基准温度水平。 还提供了一种选择性地将电阻负载连接到电源并从电源断开的方法,以防止电阻负载超过预定的高温限制。 该方法包括通过与电阻负载串联的电流检测电阻来检测与通过电阻性负载的瞬时功率成比例的电压。 然后,使用负载温度建模电路对负载温度进行建模,以产生与电阻负载的当前温度成比例的输出电压。 然后选择性地控制电源开关以在达到高温限制时将所述电源与电阻负载断开,并且当达到基础温度时将电源重新连接到电阻负载。