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    • 81. 发明授权
    • Computer power supply and battery recharging system
    • 电脑电源和电池充电系统
    • US5561361A
    • 1996-10-01
    • US245684
    • 1994-05-18
    • Upal SenguptaRobert R. TurnbullRajesh A. ShahBrian C. Fritz
    • Upal SenguptaRobert R. TurnbullRajesh A. ShahBrian C. Fritz
    • G01R31/36H01M10/42H01M10/48H02J7/00H01M10/46
    • G01R31/3624G01R31/3648G01R31/3655H01M10/4257H01M10/48H02J7/0003H02J7/0004H02J7/0011H02J7/0068G01R31/3675Y10S320/10
    • A power supply system, for example, for use with a portable personal computer, includes a smart battery pack and a charging system. The smart battery pack is provided with a dedicated microcontroller for controlling the charging level of the battery charger system. In particular, the status of the battery including the voltage and temperature of the battery is applied to the microcontroller along with a signal representative of the current load demand of the computer system. The micro controller, in turn, provides a control signal in the form of fixed frequency, variable duty cycle pulse width modulated (PWM) signal for controlling the charging level of the battery charger system. The duty cycle of the PWM signal is used to regulate the charging current supplied by the battery charger. In particular, the DC value of the PWM signal is used as a reference to control the charging current of the regulator to provide a variable output charging current with a relatively wide current range. As such, the battery charger is adapted to efficiently utilize the residual capacity of the battery charger system for optimizing charging of the battery packs during all operating conditions of the computer system. Moreover, the use of a PWM signal from the battery pack to control the battery charger enables a single type of battery charger to be utilized for various battery technologies.
    • 例如,与便携式个人计算机一起使用的电源系统包括智能电池组和充电系统。 智能电池组配备有专用微控制器,用于控制电池充电系统的充电水平。 特别地,包括电池的电压和温度的电池的状态与表示计算机系统的当前负载需求的信号一起被施加到​​微控制器。 微控制器又以固定频率,可变占空比脉宽调制(PWM)信号的形式提供控制信号,用于控制电池充电系统的充电电平。 PWM信号的占空比用于调节由电池充电器提供的充电电流。 特别地,PWM信号的DC值用作参考,以控制调节器的充电电流以提供具有相对宽的电流范围的可变输出充电电流。 因此,电池充电器适于在计算机系统的所有操作条件期间有效地利用电池充电器系统的剩余容量来优化电池组的充电。 此外,使用来自电池组的PWM信号来控制电池充电器使得能够将单一类型的电池充电器用于各种电池技术。
    • 82. 发明授权
    • Computer power supply system
    • 电脑电源系统
    • US5541490A
    • 1996-07-30
    • US245004
    • 1994-05-18
    • Upal SenguptaRobert R. TurnbullRajesh A. ShahBrian C. Fritz
    • Upal SenguptaRobert R. TurnbullRajesh A. ShahBrian C. Fritz
    • G01R31/36H01M10/42H01M10/48H02J7/00H01M10/46
    • G01R31/3624G01R31/3648G01R31/3655H01M10/4257H01M10/48H02J7/0003H02J7/0004H02J7/0011H02J7/0068G01R31/3675Y10S320/10
    • A power supply system, for example, for use with a portable personal computer, includes a smart battery pack and a charging system. The smart battery pack is provided with a dedicated microcontroller for controlling the charging level of the battery charger system. In particular, the status of the battery including the voltage and temperature of the battery is applied to the microcontroller along with a signal representative of the current load demand of the computer system. The microcontroller, in turn, provides a control signal in the form of fixed frequency, variable duty cycle pulse width modulated (PWM) signal for controlling the charging level of the battery charger system. The duty cycle of the PWM signal is used to regulate the charging current supplied by the battery charger. In particular, the DC value of the PWM signal is used as a reference to control the charging current of the regulator to provide a variable output charging current with a relatively wide current range. As such, the battery charger is adapted to efficiently utilize the residual capacity of the battery charger system for optimizing charging of the battery packs during all operating conditions of the computer system. Moreover, the use of a PWM signal from the battery pack to control the battery charger enables a single type of battery charger to be utilized for various battery technologies.
    • 例如,与便携式个人计算机一起使用的电源系统包括智能电池组和充电系统。 智能电池组配备有专用微控制器,用于控制电池充电系统的充电水平。 特别地,包括电池的电压和温度的电池的状态与表示计算机系统的当前负载需求的信号一起被施加到​​微控制器。 微控制器又以固定频率,可变占空比脉宽调制(PWM)信号的形式提供控制信号,用于控制电池充电系统的充电电平。 PWM信号的占空比用于调节由电池充电器提供的充电电流。 特别地,PWM信号的DC值用作参考,以控制调节器的充电电流以提供具有相对宽的电流范围的可变输出充电电流。 因此,电池充电器适于在计算机系统的所有操作条件期间有效地利用电池充电器系统的剩余容量来优化电池组的充电。 此外,使用来自电池组的PWM信号来控制电池充电器使得能够将单一类型的电池充电器用于各种电池技术。
    • 87. 发明授权
    • Variable transmission window system
    • 可变传动窗系统
    • US07990603B2
    • 2011-08-02
    • US11760807
    • 2007-06-11
    • Kevin L. AshBradley L. BusscherRobert R. TurnbullGeorge A. NeumanDavid J. CammengaDavid A. Theiste
    • Kevin L. AshBradley L. BusscherRobert R. TurnbullGeorge A. NeumanDavid J. CammengaDavid A. Theiste
    • G02F1/153
    • B60J3/04E06B9/24E06B2009/2464G02F1/153G02F1/163
    • An electrical control system is disclosed for controlling a plurality of variable transmittance windows. The electrical control system comprises a master control circuit and user input circuits for supplying control signals representing transmittance levels for the variable transmission windows, and a plurality of slave window control circuits coupled to the master control circuit, user input circuits and the variable transmittance windows. Each slave window control circuit controls the transmittance of at least one of the variable transmission windows in response to control signals received from the master control circuit and/or user input circuits. Also disclosed are novel methods for the manufacture of an electrochromic device used in variable transmittance windows. Novel structural features for improving heat transfer away from the windows, shielding the window from external loads, and improving the electrical performance of the windows are also disclosed.
    • 公开了一种用于控制多个可变透射率窗口的电气控制系统。 电气控制系统包括主控制电路和用于提供表示可变传输窗口的透射率水平的控制信号的用户输入电路,以及耦合到主控制电路,用户输入电路和可变透射率窗口的多个从窗窗控制电路。 响应于从主控制电路和/或用户输入电路接收的控制信号,每个从属窗口控制电路控制至少一个可变传输窗口的透射率。 还公开了用于制造用于可变透光率窗口的电致变色装置的新方法。 还公开了用于改善远离窗户的传热,屏蔽窗户免受外部负载以及改善窗户的电气性能的新颖结构特征。
    • 90. 发明授权
    • Directionally-adjustable antenna system using an outside mirror for automotive applications
    • 定向可调式天线系统,使用汽车应用的外部镜
    • US06861942B1
    • 2005-03-01
    • US09359144
    • 1999-07-21
    • Robert C. KnappDavid L. PlanggerRobert R. Turnbull
    • Robert C. KnappDavid L. PlanggerRobert R. Turnbull
    • H01Q1/32H01Q21/28H03K17/00
    • B60C23/0408B60C23/0444H01Q1/3266H01Q1/3291H01Q21/28
    • A vehicle antenna system incorporated into at least one side-view mirror of a vehicle includes a forward directed antenna and a rearward directed antenna to transmit and receive signals over corresponding forward and rearward-directed detection fields, respectively. The antennas act as directional transmitters and/or receivers, and a processing circuit discriminates between signals from different antennas without requiring any of the antennas to transmit identification signals to the processing circuit. Signal discrimination is conducted in part by sequentially selecting each antenna to obtain a corresponding antenna signal and, if required for a particular application, comparing the obtained signal with previously obtained antenna signals. The vehicle antenna system can be used, for example, in conjunction with tire pressure sensors to detect low tire pressure in a particular tire.
    • 并入车辆的至少一个侧视镜的车载天线系统包括前向天线和向后定向天线,用于分别在相应的前向和后向检测场上发送和接收信号。 天线作为定向发射机和/或接收机,并且处理电路鉴别来自不同天线的信号,而不需要任何天线将识别信号发送到处理电路。 部分地通过顺序选择每个天线以获得对应的天线信号进行信号鉴别,并且如果特定应用需要,将获得的信号与先前获得的天线信号进行比较。 车辆天线系统可以例如与轮胎压力传感器结合使用,以检测特定轮胎中的低轮胎压力。