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    • 101. 发明授权
    • Optical reader and use
    • 光学阅读器和使用
    • US07240840B2
    • 2007-07-10
    • US11069837
    • 2005-03-01
    • Jeffry Jovan PhilyawDouglas L. Davis
    • Jeffry Jovan PhilyawDouglas L. Davis
    • G06K7/10
    • G06K7/10831G06F17/30722G06F17/30876G06F17/30879G06F17/30887G06K7/10762G06K7/10881G06Q30/02H04H20/93H04L29/06H04L29/12009H04L29/12047H04L29/12594H04L61/15H04L61/301H04L67/02H04L67/20H04L67/26H04L67/306H04L69/329H04N21/4622H04N21/4782H04N21/812
    • An optical reader is provided for reading a symbol representing information having areas of different light reflectivity. The optical reader comprises a radiant energy source, a photodetector, an optical system and a decoder. The radiant energy source generates a radiant energy for illuminating a target region. The photodetector generates output electrical signals indicative of the radiant energy incident thereon. The optical system includes a projection portion and a collection portion. The projection portion directs the radiant energy along a projection path extending from the radiant energy source to the target region. The collection portion collects the radiant energy reflected from a symbol when the symbol occupies the target region and directs the collected radiant energy along a collection path extending from the target region to the photodetector. The collection portion includes one pinhole aperture disposed upstream on the collection path from the photodetector without intervening refraction or diffraction and one magnifying lens disposed upstream on the collection path from the pinhole aperture without intervening refraction or diffraction. The decoder decodes the output electrical signals of the photodetector to provide indication of the information contained in the symbol.
    • 提供了一种用于读取表示具有不同光反射率区域的信息的符号的光学读取器。 光学读取器包括辐射能源,光电检测器,光学系统和解码器。 辐射能源产生用于照射目标区域的辐射能。 光电检测器产生指示入射到其上的辐射能的输出电信号。 光学系统包括突出部分和收集部分。 突出部分沿着从辐射能量源延伸到目标区域的投影路径引导辐射能。 当符号占据目标区域时,收集部分收集从符号反射的辐射能量,并且沿着从目标区域延伸到光电检测器的收集路径引导所收集的辐射能量。 收集部分包括一个针孔,其设置在来自光电检测器的收集路径上的上游,而没有中间折射或衍射,并且一个放大透镜从针孔开始设置在收集路径的上游,而无需中间折射或衍射。 解码器对光电检测器的输出电信号进行解码,以提供符号中包含的信息的指示。
    • 103. 发明授权
    • Electronic winch monitoring system
    • 电子绞车监控系统
    • US07201366B2
    • 2007-04-10
    • US11381122
    • 2006-05-01
    • Mark E. SandersDavid E. Johnson
    • Mark E. SandersDavid E. Johnson
    • B66D1/08
    • B66D5/26B66D1/485B66D1/54
    • An electronic winch monitoring system for a winch having a fixed-ratio gearbox with input and output shafts, a winch drum connected to the output shaft, and an auxiliary brake connected to the output shaft activated by reducing the pressure in a brake release hydraulic circuit. The system comprises an input shaft speed sensor, an output shaft speed sensor, and an electronic control unit having a monitoring section and a brake control section. The monitoring section receives the speed signals, processes them to produce a calculated ratio of actual input to output shaft speeds, and produces a fault indication signal when the value of the difference between the calculated speed ratio and the fixed ratio exceeds a predetermined value. The brake control section, upon receiving the fault signal, reduces the hydraulic pressure in the brake circuit using a nonlinear pressure-time profile to engage the auxiliary brake and stop the winch drum.
    • 一种用于具有输入和输出轴的固定比率齿轮箱,连接到输出轴的绞盘鼓和连接到输出轴的辅助制动器的绞盘的电子绞盘监控系统,其通过减小制动解除液压回路中的压力来启动。 该系统包括输入轴速度传感器,输出轴速度传感器和具有监控部分和制动控制部分的电子控制单元。 监视部接收速度信号,处理它们以产生实际输入与输出轴转速的计算比,并且当计算出的速比与固定比之间的差的值超过预定值时,产生故障指示信号。 制动控制部分在接收到故障信号时,使用非线性压力 - 时间曲线来减小制动回路中的液压压力以接合辅助制动器并停止绞盘鼓。
    • 104. 发明授权
    • Method for search and matching of capacitors for a digital to analog converter of an SAR analog to digital converter
    • SAR模数转换器的数模转换器的电容搜索和匹配方法
    • US07199746B1
    • 2007-04-03
    • US11311508
    • 2005-12-19
    • Golam R. ChowdhuryDouglas Piasecki
    • Golam R. ChowdhuryDouglas Piasecki
    • H03M1/12
    • H03M1/468H03M1/0673H03M1/682
    • The method is described for selecting capacitors from a capacitor array for each bit of a SAR ADC. The process involves selecting a group of capacitors from the capacitor array and determining a weight of the selected group of capacitors. A determination is made if the weights of the selected group of capacitors are substantially equal to their desired values. If the weights are substantially equal to their desired values, the selected group of capacitors is associated with each bit of the SAR ADC. If the weights are not substantially equal to their desired values, a next group of capacitors from the capacitor array is selected for the bits. This process of selecting a group of capacitors and determining their weights is repeated until determined weight for a group of capacitors equals or is closest to the desired values.
    • 描述了用于从SAR ADC的每个位的电容器阵列中选择电容器的方法。 该过程涉及从电容器阵列中选择一组电容器并确定所选择的电容器组的重量。 如果所选择的电容组的权重基本上等于其所需的值,则确定。 如果权重基本上等于其所需值,则所选择的电容组与SAR ADC的每个位相关联。 如果权重基本上不等于其所需值,则选择来自电容器阵列的下一组电容器用于该位。 重复选择一组电容器并确定它们的权重的该过程,直到一组电容器的确定的重量等于或最接近所需值。
    • 106. 发明授权
    • Method for connecting a wireless device to a remote location on a network
    • US07191247B1
    • 2007-03-13
    • US09703705
    • 2000-10-31
    • Jeffry Jovan Philyaw
    • Jeffry Jovan Philyaw
    • G06F15/16
    • H04W76/11H04M1/72561H04W48/08H04W48/16
    • A method for connecting a wireless device to a remote location on a computer network. A beacon signal is transmitted from a beacon unit disposed at a first geographic location. The beacon signal includes components indicative of a first code and of a second code, the first code being associated with a remote location on a computer network and the second code being associated with an attribute of the beacon unit. The beacon signal is received using a beacon signal receiver circuit disposed with a wireless device at a second geographic location. The first code and the second code are then extracted from the beacon signal. In response to receiving the beacon signal, control signals indicative of the first code and the second code are sent from the beacon signal receiver circuit to the wireless device. In response to receiving the control signals, an RF signal constituting a first message packet is transmitted from the wireless device to an intermediate location on the computer network. The first message packet is indicative of the first code and the second code. The first message packet is received at the intermediate location and the first code and the second code are extracted therefrom. A computer database is accessed from the intermediate location. The database includes a plurality of routing information for remote locations on the computer network and a plurality of first codes. Each of the routing information is associated with at least one of the first codes. The routing information associated with the first code received in the beacon signal is then retrieved, and a reply packet including the routing information is transmitted from the intermediate location across the computer network back to the wireless device. In response to receiving the reply packet, a second message packet is transmitted from the wireless device to a remote location on the network using the routing information just received, thereby connecting the wireless device to the associated remote location.
    • 108. 发明授权
    • Magnetic stripe reader
    • 磁条阅读器
    • US07163148B2
    • 2007-01-16
    • US10816265
    • 2004-03-31
    • William Gene DurbinBrent Wilson
    • William Gene DurbinBrent Wilson
    • G06K7/08
    • G06K7/084G11B5/00808G11B5/09
    • A magnetic stripe card reader for reading a magnetic stripe on a card having at least one track of magnetically stored information stored thereon as a stream of encoded discrete data bits separated by bit times is disclosed. Aa magnetic head is provided for reading the magnetic pulses as the magnetic stripe is passed thereby to output a time varying analog signal. A data converter incorporated on an integrated circuit is then operable for converting the analog signal to a digital time series of digital values. A processor incorporated on the integrated circuit can ten process the digital output of the data converter and is operable to first determine potential bit boundaries and then recover timing information from the digital time series to discriminate the bit times between data bits. The value of each data bit is then determined during each bit time to provide a stream of extracted data bits.
    • 公开了一种磁条读卡器,用于读取具有存储在其上的磁存储信息的至少一个磁道的卡上的磁条作为由位时间分隔的编码离散数据位流。 Aa磁头被提供用于在磁条通过时读取磁脉冲,从而输出时变模拟信号。 结合在集成电路上的数据转换器然后可操作用于将模拟信号转换为数字值的数字时间序列。 集成在集成电路上的处理器可十进制数据转换器的数字输出,并可操作以首先确定潜在的位边界,然后从数字时间序列中恢复定时信息,以区分数据位之间的位时间。 然后在每个比特时间期间确定每个数据比特的值以提供提取的数据比特流。
    • 109. 发明授权
    • Method and apparatus for utilizing an existing product code to issue a match to a predetermined location on a global network
    • 用于利用现有产品代码发布与全局网络上的预定位置匹配的方法和装置
    • US07159037B1
    • 2007-01-02
    • US09382375
    • 1999-08-24
    • Jeffry Jovan PhilyawDavid Kent Mathews
    • Jeffry Jovan PhilyawDavid Kent Mathews
    • G06F15/16
    • H04L61/30G06Q30/02G06Q30/0603H04L29/12594
    • A method for providing an interconnection relationship between a product and a desired location on a global communications network. A machine readable product code is disposed on the product machine readable product code, the machine readable product code having encoded product information contained therein. The product code has no routing information embedded therein which would allow the product code, in and of itself, to cause routing to the desired location over any path on the network. The machine readable code is read and decoded. The extracted product code is then converted for routing information over the network to the desired location, which routing information defines the manner by which a user or a computer at a user location wherein the machine readable code was read can communicate with the desired location via an interconnection therewith.
    • 一种在全球通信网络上提供产品和期望位置之间的互连关系的方法。 机器可读产品代码被放置在产品机器可读产品代码上,该机器可读产品代码中包含编码的产品信息。 产品代码没有嵌入其中的路由信息​​,这将使产品代码本身能够通过网络上的任何路径路由到期望的位置。 读取和解码机器可读代码。 然后,将所提取的产品代码通过网络转换为路由信息到期望的位置,该路由信息定义用户或计算机在其中读取机器可读代码的用户或计算机可以通过以下方式与所需位置通信的方式: 与其互连。