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    • 2. 发明授权
    • Switching regulator without a dedicated input current sense element
    • 开关稳压器没有专用的输入电流检测元件
    • US07791324B2
    • 2010-09-07
    • US12080263
    • 2008-03-31
    • Gustavo James MehasNaveen JainJayant VivrekarMichael Jason Houston
    • Gustavo James MehasNaveen JainJayant VivrekarMichael Jason Houston
    • G05F1/00
    • H02M3/1588H02M2001/0009H02M2001/0012Y02B70/1466
    • A synchronous regulator includes a controller coupled to receive a reference signal and a feedback signal from the regulator operable to provide a pulse width modulation (PWM) signal at its output. The regulator includes at least one gate driver coupled to receive the PWM signal, and a synchronous output switch having a phase node there between controlled by the gate driver, and regulator input current measurement circuitry. The regulator input current measurement circuitry comprises a circuit operable for providing a signal representative of at least one phase node timing parameter, a sensing circuit operable for sensing inductor or output current provided by the regulator, and a calculation circuit coupled to receive the signal representative of the phase node timing parameters and the inductor or output current and is operable to determine the input current.
    • 同步调节器包括耦合以接收参考信号的控制器和来自调节器的反馈信号,其可操作以在其输出端提供脉宽调制(PWM)信号。 调节器包括耦合以接收PWM信号的至少一个栅极驱动器,以及具有由栅极驱动器控制的相位节点和调节器输入电流测量电路的同步输出开关。 调节器输入电流测量电路包括可用于提供表示至少一个相位节点定时参数的信号的电路,可操作用于感测由调节器提供的电感器或输出电流的感测电路,以及耦合以接收代表 相位节点定时参数和电感器或输出电流,并且可操作以确定输入电流。
    • 5. 发明授权
    • Method and system for sharing utilities between operating systems
    • 在操作系统之间共享实用程序的方法和系统
    • US5655154A
    • 1997-08-05
    • US418865
    • 1995-04-07
    • Naveen JainJohn Hensley
    • Naveen JainJohn Hensley
    • G06F9/46G06F9/44G06F9/445G06F13/00
    • G06F9/44521
    • A method and system for incorporation into an active operating system of a utility function performed by a utility provided by an external operating system. The functional instructions within the utility which perform the utility function, called a utility engine, are separated from user interface instructions which interface with the user in a fashion unique to the external operating system. The utility engine is stored in a data structure that can be loaded for execution by the active operating system as well as the external operating system. When the active operating system is running and obtains a request to perform the utility, it performs user interface instructions specific to the active operating system, and loads and executes the functional instructions in the utility engine to thereby execute the utility function.
    • 一种用于结合到由外部操作系统提供的公用设施执行的效用函数的主动操作系统中的方法和系统。 执行效用函数的实用程序中的功能指令(称为实用程序引擎)与用户接口指令分离,用户界面指令以与外部操作系统相同的方式与用户接口。 该公用事业引擎存储在一个数据结构中,可以由主动操作系统以及外部操作系统加载执行。 当主动操作系统运行并获得执行该实用程序的请求时,它执行特定于主动操作系统的用户界面指令,并加载并执行公用事业引擎中的功能指令,从而执行效用函数。
    • 6. 发明授权
    • CRC computation for packet length not multiple of data path width
    • 数据包长度的CRC计算不是数据路径宽度的倍数
    • US08578240B1
    • 2013-11-05
    • US13011445
    • 2011-01-21
    • Ravi PathakotaAbhijeet Sampatrao JadhavSai KishoreNaveen Jain
    • Ravi PathakotaAbhijeet Sampatrao JadhavSai KishoreNaveen Jain
    • H03M13/00
    • H03M13/091
    • A communication device may include a cyclic redundancy check (CRC) calculator. The CRC calculator may determine a packet remainder of a packet based on a data path width associated with the communication device; append zeros to the packet remainder to generate an appended packet remainder equal in size to the data path width; compute a first CRC value for the appended packet; reverse bits of the computed first CRC value to obtain a reversed CRC value; multiply the bit reversed CRC value with a value based on a reciprocal CRC polynomial to generate a multiplication product; compute a second CRC value for the generated multiplication product based on the reciprocal CRC polynomial; and reverse bits of the second CRC value to generate a CRC for the packet.
    • 通信装置可以包括循环冗余校验(CRC)计算器。 CRC计算器可以基于与通信设备相关联的数据路径宽度来确定分组的分组余数; 将零附加到分组余数以产生与数据路径宽度相等的附加分组余数; 计算附加分组的第一个CRC值; 计算的第一CRC值的反向比特以获得反向CRC值; 将位反转CRC值与基于倒数CRC多项式的值相乘以生成乘积; 基于所述倒数CRC多项式计算所生成的乘积的第二CRC值; 以及第二CRC值的反向比特以产生该分组的CRC。