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    • 1. 发明授权
    • Method, system and program product for controlling a single phase motor
    • 用于控制单相电机的方法,系统和程序产品
    • US06977478B2
    • 2005-12-20
    • US10835138
    • 2004-04-29
    • Jeffrey R. BiamonteTimothy M. Trifilo
    • Jeffrey R. BiamonteTimothy M. Trifilo
    • H02P1/18H02P1/34H02P1/42H02P23/00H02P25/04
    • H02P25/04H02P23/00
    • A controller is provided for transitioning a drive signal to a single phase motor between a square wave and pulse width modulation modes, wherein the drive signal is in square wave mode at low motor frequencies and in pulse width modulation mode during normal operation. The transitioning includes using a real time motor model to effectuate transition of the drive signal between the modes, and a sampling rate for sampling the real time motor model during the transitioning. The sampling rate is automatically modified during the transitioning, wherein acceleration of the motor includes transitioning the drive signal from square wave mode to pulse width modulation mode, including periodically increasing the sampling rate during the transitioning. Conversely, when transitioning from pulse width modulation mode to square wave mode, the controller automatically deaccelerates the sampling rate during the transitioning.
    • 提供控制器,用于在方波和脉宽调制模式之间转换驱动信号到单相电动机,其中驱动信号在正常操作期间在低电机频率和脉冲宽度调制模式下是方波模式。 转换包括使用实时电机模型来实现模式之间的驱动信号的转换,以及在转换期间对实时电动机模型进行采样的采样率。 在转换期间自动修改采样率,其中马达的加速包括将驱动信号从方波模式转换到脉宽调制模式,包括在转换期间周期性地增加采样率。 相反,当从脉宽调制模式转换到方波模式时,控制器在转换期间自动减速采样率。
    • 2. 发明授权
    • System, method and storage medium for providing an inter-integrated circuit (I2C) slave with read/write access to random access memory
    • 用于提供具有对随机存取存储器的读/写访问的集成电路(I2C)从机的系统,方法和存储介质
    • US07493433B2
    • 2009-02-17
    • US10977758
    • 2004-10-29
    • Eileen M. BehrendtJeffrey R. BiamonteRaymond J. HarringtonTimothy M. Trifilo
    • Eileen M. BehrendtJeffrey R. BiamonteRaymond J. HarringtonTimothy M. Trifilo
    • G06F13/00G06F13/42G06F13/14
    • G06F13/4291
    • A method for data access via an inter-integrated circuit (I2C) protocol. The method includes receiving an I2C read command at an I2C slave device, where the I2C read command is from an I2C master device. The method also includes reading stored data from a storage device in response to receiving an I2C read command. The stored data is at a first location in the storage device corresponding to a value in a register array pointer in the I2C slave device. The stored data is transmitted to the I2C master device in response to the reading. The method also includes receiving an I2C write command at the I2C slave device, where the I2C write command is from the I2C master device and the write command includes master data and a slave device register address. The master data is written to the storage device in response to receiving the I2C write command, with the master data being written at a second location in the storage device corresponding to the slave device register address.
    • 一种通过集成电路(I2C)协议进行数据访问的方法。 该方法包括在I2C从器件上接收I2C读命令,其中I2C读命令来自I2C主器件。 该方法还包括响应于接收到I2C读取命令从存储设备读取存储的数据。 所存储的数据位于存储设备中与I2C从设备中的寄存器阵列指针中的值相对应的第一位置。 存储的数据响应于读取而被发送到I2C主设备。 该方法还包括在I2C从器件处接收I2C写命令,其中I2C写命令来自I2C主器件,写命令包含主器件数据和从器件寄存器地址。 响应于接收到I2C写入命令,主数据被写入存储设备,主数据被写入存储设备中对应于从设备寄存器地址的第二位置。
    • 7. 发明授权
    • System, method and program product for extending range of a bidirectional data communication bus
    • 用于扩展双向数据通信总线范围的系统,方法和程序产品
    • US07088137B2
    • 2006-08-08
    • US10838391
    • 2004-05-04
    • Eileen M. BehrendtJeffrey R. BiamonteRaymond J. HarringtonTimothy M. Trifilo
    • Eileen M. BehrendtJeffrey R. BiamonteRaymond J. HarringtonTimothy M. Trifilo
    • H03K19/173G06F13/00
    • H03K19/01759H04L5/14H04L5/16H04L25/22
    • A communication system, method and program product are provided for establishing an extended bidirectional communication bus between a first device and a second device. The communication system includes decomposition logic for decomposing a single line, bidirectional data communication bus into a unidirectional transmit data communication bus and a unidirectional receive data communication bus. A differential communication subsystem is connected to the two unidirectional buses for extending the length thereof, and recomposition circuitry is connected to the differential communication subsystem for recombining the extended unidirectional transmit data communication bus and the extended unidirectional receive data communication bus to reestablish the single line, bidirectional data communication bus. The decomposition logic, differential communication subsystem and recomposition circuitry are implemented transparent to the first device and the second device and without use of a data direction control line.
    • 提供一种用于在第一设备和第二设备之间建立扩展双向通信总线的通信系统,方法和程序产品。 通信系统包括分解逻辑,用于将单线分解,双向数据通信总线分解为单向发送数据通信总线和单向接收数据通信总线。 差分通信子系统连接到两个单向总线,用于延长其长度,并且重新组合电路连接到差分通信子系统,用于重新组合扩展单向发送数据通信总线和扩展单向接收数据通信总线以重新建立单线, 双向数据通信总线。 分解逻辑,差分通信子系统和重组电路对第一设备和第二设备是透明的,而不使用数据方向控制线。