公开(公告)号：US09212664B2

公开(公告)日：2015-12-15

申请号：US13549600

申请日：2012-07-16

申请人： Chao-Ming Tsai ,  Lynn R. Kern

发明人： Chao-Ming Tsai ,  Lynn R. Kern

IPC分类号： F04D27/00 ,  G05B13/02

CPC分类号： F04D27/00

摘要： A control circuit for controlling the rotational speed of a fan may include a memory element to store operating data corresponding to an operational profile of the fan defined by RPM (revolutions per minute) versus temperature, with the operating data comprising a respective temperature value and a respective RPM value for each respective operating point representing a change in slope of a function that corresponds to the operational profile of the fan. A processing unit may receive a present temperature value, retrieve the operating data from the storage unit, and identify a pair of consecutive operating points corresponding to the present temperature. The processing unit may calculate a desired RPM value corresponding to the present temperature value by performing linear interpolation between the pair of consecutive operating points, and provide the desired RPM value to a closed-loop fan controller to control the fan according to the desired RPM value.

摘要翻译： 用于控制风扇的转速的控制电路可以包括存储元件，用于存储与由RPM（每分钟转数）相对于温度定义的风扇的操作分布相对应的操作数据，其中操作数据包括相应的温度值和 每个相应的工作点的相应的RPM值表示与风扇的操作轮廓对应的功能的斜率的变化。 处理单元可以接收当前温度值，从存储单元检索操作数据，并且识别对应于当前温度的一对连续工作点。 处理单元可以通过在一对连续的操作点之间进行线性内插来计算与当前温度值对应的期望的RPM值，并且向闭环风扇控制器提供期望的RPM值以根据期望的RPM值来控制风扇 。

公开(公告)号：US09201480B2

公开(公告)日：2015-12-01

申请号：US12978371

申请日：2010-12-23

申请人： Christopher Fischbach

发明人： Christopher Fischbach

IPC分类号： H02J7/00 ,  G06F1/26

CPC分类号： G06F1/266 ,  H02J7/0073 ,  H02J2007/006 ,  H02J2007/0062 ,  Y02B40/90

摘要： An emulation system for determining an arbitrary charging protocol in USB charging ports and for optimally charging portable devices. The emulation system comprises a power switch for powering on the emulation system, a high-speed data switch for transferring data to and from the portable device, a USB receptacle port including data pins (DP and DM), VBUS, and GND. The emulation system further comprises a profile database that stores one or more charging profiles including one or more stimulus-response pairs for each charging profile. The emulation circuit further includes emulation circuitry for detecting stimulus generated by the portable device and for generating responses according to the charging profiles.

摘要翻译： 用于确定USB充电端口中的任意充电协议并用于最佳地对便携式设备充电的仿真系统。 仿真系统包括用于为仿真系统供电的电源开关，用于向便携式设备传送数据的高速数据开关，包括数据引脚（DP和DM），VBUS和GND的USB插座。 仿真系统还包括简档数据库，其存储一个或多个充电简档，包括用于每个充电简档的一个或多个激励 - 响应对。 仿真电路还包括用于检测由便携式设备产生的刺激并根据充电简档产生响应的仿真电路。

公开(公告)号：US09152270B2

公开(公告)日：2015-10-06

申请号：US13354362

申请日：2012-01-20

申请人： Miroslav Oljaca ,  Srinivas K. Pulijala

发明人： Miroslav Oljaca ,  Srinivas K. Pulijala

IPC分类号： G06F3/041

CPC分类号： G06F3/0416

摘要： The present disclosure discloses methods and systems for improving touch detection of a touch screen device. The method includes determining touch coordinates when the touch screen device is touched. Subsequently, a sampling time is adjusted, depending on the touch coordinates relative to initial coordinates of the touch screen device.

摘要翻译： 本公开公开了用于改善触摸屏设备的触摸检测的方法和系统。 该方法包括当触摸屏设备被触摸时确定触摸坐标。 随后，根据相对于触摸屏设备的初始坐标的触摸坐标来调整采样时间。

公开(公告)号：US08994321B2

公开(公告)日：2015-03-31

申请号：US13157282

申请日：2011-06-09

申请人： Timothy J. Knowlton

发明人： Timothy J. Knowlton

IPC分类号： H02J7/00

CPC分类号： H02J7/007 ,  H02J7/0083 ,  H02J2007/0037

摘要： A charging method and system for rationing charge or energy supplied by a host to a portable device. The system includes a power switch connected to a current sensing module that detects instantaneous current drawn by the portable device. A current register connected to the current sensing module stores the instantaneous current value. A timing module generates timing information. A cumulative charge value obtained by multiplying the instantaneous current value with the timing information is stored in a charge register. Further, a cumulative energy value may be obtained by multiplying the cumulative charge value with a detected voltage value. A threshold database stores a threshold value, and a rationing module connected to the host and the charge register continuously compares the cumulative charge value and/or the cumulative energy value with the threshold charge value. A control signal is generated when the threshold charge value is exceeded.

摘要翻译： 用于将主机供给便携式设备的充电或能量的配给的充电方法和系统。 该系统包括连接到电流感测模块的电源开关，其检测由便携式设备吸取的瞬时电流。 连接到电流感测模块的电流寄存器存储瞬时电流值。 定时模块产生定时信息。 通过将瞬时电流值与定时信息相乘而获得的累积电荷值被存储在电荷寄存器中。 此外，可以通过将累积电荷值与检测到的电压值相乘来获得累积能量值。 阈值数据库存储阈值，连接到主机和充电寄存器的配给模块连续地将累积电荷值和/或累积能量值与阈值电荷值进行比较。 当超过阈值电荷值时，产生控制信号。

公开(公告)号：US08896246B2

公开(公告)日：2014-11-25

申请号：US12790161

申请日：2010-05-28

申请人： Lynn R. Kern ,  James P. McFarland ,  Joe A. Marrero

发明人： Lynn R. Kern ,  James P. McFarland ,  Joe A. Marrero

IPC分类号： H02P6/04 ,  H02P6/20

CPC分类号： H02P6/20

摘要： A motor includes a rotor and a plurality of pairs of electromagnets. The energy needed for alignment of the rotor is used to generate the first movement in forced commutation and may be combined with the initial energy to start the motor. The logic is configured to align the rotor by energizing the three coils of the motor. PWM is applied to the first coil to control current on the coils; when a maximum PWM duty cycle is reached, the coil not required to rotate the correct direction are released, thereby initiating motion in a rotor. A rotation period is determined. One or more pairs of electromagnets are excited at a first excitation level which may be increased, over a second period, to a second level. The second level may be a higher level than the first level. The rotation period may be decreased over the first and second periods.

摘要翻译： 电动机包括转子和多对电磁体。 用于对准转子所需的能量用于产生强制换向中的第一运动，并且可以与初始能量组合起动电动机。 该逻辑被配置成通过使电动机的三个线圈通电来对准转子。 PWM施加到第一线圈以控制线圈上的电流; 当达到最大PWM占空比时，不需要旋转正确方向的线圈被释放，从而启动转子中的运动。 确定旋转周期。 一对或多对电磁体在第一激发电平下被激发，第一激发电平可以在第二周期内增加到第二电平。 第二级别可能高于第一级。 旋转周期可以在第一和第二周期内减小。

公开(公告)号：US08880728B2

公开(公告)日：2014-11-04

申请号：US13607022

申请日：2012-09-07

申请人： Neil Winchester ,  Paul Brant ,  William Chiechi ,  Charles Forni ,  Anthony Tarascio

发明人： Neil Winchester ,  Paul Brant ,  William Chiechi ,  Charles Forni ,  Anthony Tarascio

IPC分类号： G06F15/173 ,  H04L12/64 ,  H04L12/46 ,  H04L12/853 ,  H04L12/701

CPC分类号： H04L45/00 ,  H04L12/4633 ,  H04L12/6418 ,  H04L47/2416

摘要： An audio-visual content delivery system includes an interface to communicate with a local area network (LAN). A packet processing circuit in the system may filter and route Ethernet packet data received from the LAN, to specific ports and/or queues without host processor intervention. The packet processing circuit may utilize a set of filter and routing mechanisms configurable in hardware to interpret various Internet Engineering Task Force networking transport protocols, and may transfer the packet data in a format recognized by a variety of consumer subsystems, each of which may be coupled to the packet processing circuit. The packet processing circuit may be implemented as a semiconductor device, and may allow encapsulated application data to be routed to a plurality of different types of application sinks or processors, forming a point-to-point or multi-point serial or parallel data stream over a standard transport covering numerous levels of the ISO data communications stack.

摘要翻译： 视听内容传送系统包括与局域网（LAN）通信的接口。 系统中的分组处理电路可以将从LAN接收到的以太网分组数据过滤和路由到特定端口和/或队列，而无需主机处理器干预。 分组处理电路可以利用在硬件中配置的一组过滤器和路由机制来解释各种互联网工程任务组网络传输协议，并且可以以各种消费者子系统识别的格式传送分组数据，每个消费者子系统可以耦合 到分组处理电路。 分组处理电路可以被实现为半导体器件，并且可以允许封装的应用数据被路由到多个不同类型的应用接收器或处理器，形成点对点或多点串行或并行数据流 标准的传输涵盖了ISO数据通信栈的多个层次。

公开(公告)号：US08662858B2

公开(公告)日：2014-03-04

申请号：US11395004

申请日：2006-03-31

申请人： Eileen M. Marando ,  Robert W. Schoepflin

发明人： Eileen M. Marando ,  Robert W. Schoepflin

IPC分类号： F04B49/06 ,  F04B49/10

CPC分类号： H05K7/20209

摘要： A system may include a PWM generator and control logic. The PWM generator is configured to generate a PWM signal having a duty cycle dependent on a duty cycle value generated by the control logic. The control logic is configured to generate the duty cycle value to have a piecewise linear relationship with temperature such that at least two of a plurality of linear segments defined by the piecewise linear relationship have different slopes. In some embodiments, the piecewise linear relationship may be continuous.

摘要翻译： 系统可以包括PWM发生器和控制逻辑。 PWM发生器被配置为产生具有取决于由控制逻辑产生的占空比值的占空比的PWM信号。 控制逻辑被配置为产生与温度分段线性关系的占空比值，使得由分段线性关系限定的多个线性段中的至少两个具有不同的斜率。 在一些实施例中，分段线性关系可以是连续的。

公开(公告)号：US08606382B2

公开(公告)日：2013-12-10

申请号：US12698296

申请日：2010-02-02

申请人： Herbert Hetzel ,  David J. Knapp

发明人： Herbert Hetzel ,  David J. Knapp

IPC分类号： G06F17/00

CPC分类号： H04L12/43

摘要： A communication system, network, interface, and port architecture are provided for transporting different types of data across a network. The network can be arranged by connecting the ports in a daisy chain fashion to achieve a ring architecture or topology. The network forwards data according to a specific network protocol, and any incoming data that follows that protocol will be sent onto the network. If the incoming data protocol does not match the network protocol, then the incoming data is not sent immediately to the network, but instead is sent to an input pin of a device upon the network specifically designed to receive that incoming data. The network, therefore, has ports that support both compliant and non-compliant incoming data, and the devices that produce such data. Examples of non-compliant data include any data which does not time-division multiplex different asynchronous, isochronous, and synchronous data in dedicated channels within each frame, and which have a preamble, coding, frequency, or overall protocol different from that which is established for network transfer.

摘要翻译： 提供通信系统，网络，接口和端口架构，用于通过网络传输不同类型的数据。 可以通过以菊花链方式连接端口来实现网络，以实现环形架构或拓扑。 网络根据特定网络协议转发数据，该协议之后的任何传入数据将被发送到网络上。 如果传入数据协议与网络协议不匹配，则传入的数据不会立即发送到网络，而是在专门设计为接收该传入数据的网络上发送到设备的输入引脚。 因此，该网络具有支持兼容和不符合输入数据的端口以及产生此类数据的设备。 不合规数据的示例包括在每个帧内的专用信道中不对不同异步，同步和同步数据进行时分复用的任何数据，并且具有与建立的不同的前导码，编码，频率或总体协议不同的数据 用于网络传输。

公开(公告)号：US08572420B2

公开(公告)日：2013-10-29

申请号：US11071961

申请日：2005-03-04

申请人： Drew J. Dutton ,  James R. MacDonald ,  Henry Wurzburg

发明人： Drew J. Dutton ,  James R. MacDonald ,  Henry Wurzburg

IPC分类号： G06F3/00

CPC分类号： G06K19/07732 ,  G06K7/0013 ,  G06K7/0086 ,  G06K19/0701

摘要： In various embodiments, a computer system may include a computer controller to send and/or receive sideband signals to/from a USB device. In some embodiments, the USB device may include a USB controller to send/receive sideband signals to/from the computer controller. The computer controller and USB controller may allow communications between the computer system and the USB device when either of the computer system or USB device is in a low power state. The sideband signal sent between the computer system and the USB device may trigger the other of the computer system or USB device to enter a normal power state. In some embodiments, the computer controller and/or USB controller may be further coupled to a memory to buffer data to be sent to the computer system or USB device after the computer system or USB device returns to a normal power state.

摘要翻译： 在各种实施例中，计算机系统可以包括计算机控制器来向/从USB设备发送和/或接收边带信号。 在一些实施例中，USB设备可以包括用于向计算机控制器发送/接收边带信号的USB控制器。 当计算机系统或USB设备中的任一个处于低功率状态时，计算机控制器和USB控制器可以允许计算机系统和USB设备之间的通信。 在计算机系统和USB设备之间发送的边带信号可能触发计算机系统或USB设备中的另一个进入正常的电源状态。 在一些实施例中，计算机控制器和/或USB控制器可以进一步耦合到存储器，以在计算机系统或USB设备恢复到正常功率状态之后缓冲要发送到计算机系统或USB设备的数据。

公开(公告)号：US20130135130A1

公开(公告)日：2013-05-30

申请号：US13307022

申请日：2011-11-30

申请人： Srinivas K. Pulijala

发明人： Srinivas K. Pulijala

IPC分类号： H03M1/38

CPC分类号： H03G3/30 ,  H03G3/001 ,  H03M1/183

摘要： Embodiments of the present disclosure provide a method and system for an auto-ranging analog-to-digital converter (ADC) for dynamically scaling inputs to an ADC. The auto-ranging ADC includes a dynamically configurable transistor arrangement for delivering a load current and a replica device for replicating the load current. A current sense resistor generates a replicated load voltage based on the replicated current. The ADC generates a digital value based on the replicated load voltage. The auto-ranging ADC also includes an auto-ranging controller for dynamically configuring the transistor arrangement based on the digital value to scale the inputs to the ADC.

摘要翻译： 本公开的实施例提供了一种用于动态地缩放对ADC的输入的自动量程模数转换器（ADC）的方法和系统。 自动量程ADC包括用于传送负载电流的动态可配置晶体管布置和用于复制负载电流的复制设备。 电流检测电阻基于复制电流产生复制的负载电压。 ADC根据复制的负载电压产生数字值。 自动量程ADC还包括一个自动量程控制器，用于根据数字值动态配置晶体管布置，以将输入缩放到ADC。