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    • 1. 发明授权
    • Display power management
    • 显示电源管理
    • US07840827B2
    • 2010-11-23
    • US11559386
    • 2006-11-13
    • Franck DahanFranck SeigneretGilles DubostJean Noel
    • Franck DahanFranck SeigneretGilles DubostJean Noel
    • G06F1/32
    • G09G5/363G09G5/18G09G5/39G09G2330/021
    • An apparatus and method for power management of a display system. A display controller couples to a memory storage device. A frame buffer in the memory storage device is filled with frames of information for display on a display device. The frames of information transfer to a display buffer in the display controller. The display controller transmits the frames of information from the display buffer to the display device. When frame information is not being transferred to the display controller, the display controller and the memory storage device may separately enter a power saving state. In power saving state, the display controller may continue to transmit frame information to the display device; however, power and a clock signal to components of display controller may be limited. When the display buffer is almost empty, the display controller exits power saving state to fill the display buffer.
    • 一种用于显示系统的电源管理的装置和方法。 显示控制器耦合到存储器存储设备。 存储器存储设备中的帧缓冲器被填充有用于在显示设备上显示的信息帧。 信息帧传送到显示控制器中的显示缓冲器。 显示控制器将信息帧从显示缓冲器发送到显示装置。 当帧信息未被传送到显示控制器时,显示控制器和存储器存储设备可以分别进入省电状态。 在省电状态下,显示控制器可以继续向显示装置发送帧信息; 然而,对显示控制器的组件的功率和时钟信号可能受到限制。 当显示缓冲区几乎为空时,显示控制器退出省电状态以填充显示缓冲区。
    • 2. 发明申请
    • Display Power Management
    • 显示电源管理
    • US20070109292A1
    • 2007-05-17
    • US11559386
    • 2006-11-13
    • Franck DahanFranck SeigneretGilles DubostJean Noel
    • Franck DahanFranck SeigneretGilles DubostJean Noel
    • G09G5/00
    • G09G5/363G09G5/18G09G5/39G09G2330/021
    • An apparatus and method for power management of a display system. A display controller couples to a memory storage device. A frame buffer in the memory storage device is filled with frames of information for display on a display device. The frames of information transfer to a display buffer in the display controller. The display controller transmits the frames of information from the display buffer to the display device. When frame information is not being transferred to the display controller, the display controller and the memory storage device may separately enter a power saving state. In power saving state, the display controller may continue to transmit frame information to the display device; however, power and a clock signal to components of display controller may be limited. When the display buffer is almost empty, the display controller exits power saving state to fill the display buffer.
    • 一种用于显示系统的电源管理的装置和方法。 显示控制器耦合到存储器存储设备。 存储器存储设备中的帧缓冲器被填充有用于在显示设备上显示的信息帧。 信息帧传送到显示控制器中的显示缓冲器。 显示控制器将信息帧从显示缓冲器发送到显示装置。 当帧信息未被传送到显示控制器时,显示控制器和存储器存储设备可以分别进入省电状态。 在省电状态下,显示控制器可以继续向显示装置发送帧信息; 然而,对显示控制器的组件的功率和时钟信号可能受到限制。 当显示缓冲区几乎为空时,显示控制器退出省电状态以填充显示缓冲区。
    • 3. 发明授权
    • Standby mode for power management
    • 待机模式进行电源管理
    • US07809961B2
    • 2010-10-05
    • US11559388
    • 2006-11-13
    • Franck DahanFranck SeigneretGilles Dubost
    • Franck DahanFranck SeigneretGilles Dubost
    • G06F1/00G06F3/038H04B7/185H04B1/04H04B1/16H04B7/00H04B1/38G09G3/18G11C5/14
    • G06F1/3237G06F1/3228Y02D10/128Y02D50/20
    • An apparatus and method for controlling standby mode in an electronic device. In standby mode, power and clock signals are reduced or stopped to conserve power. The apparatus includes an initiator module coupled to a power and clock control module (PCCM). When the initiator module meets conditions for standby mode, the initiator module sends a standby signal to the PCCM and does not interact with other initiator, target, or interconnect modules. When the PCCM communicates a wait signal, the initiator module enters standby mode. When the initiator module detects a wakeup event, the standby signal is deactivated. In this state, the initiator module may process information but may not interact with other modules. When the PCCM deactivates the wait signal and returns power and clock signal to steady state levels, initiator module may resume normal operation.
    • 一种用于控制电子设备中的待机模式的装置和方法。 在待机模式下,电源和时钟信号被减少或停止以节省电力。 该装置包括耦合到电源和时钟控制模块(PCCM)的启动器模块。 当启动器模块满足待机模式条件时,启动器模块向PCCM发送备用信号,不与其他启动器,目标或互连模块进行交互。 当PCCM通信等待信号时,启动器模块进入待机模式。 当启动器模块检测到唤醒事件时,待机信号被禁用。 在这种状态下,启动器模块可以处理信息,但是可能不与其他模块进行交互。 当PCCM关闭等待信号并将电源和时钟信号恢复到稳定状态时,启动器模块可以恢复正常工作。
    • 4. 发明申请
    • Idle Mode for Power Management
    • 电源管理空闲模式
    • US20070130482A1
    • 2007-06-07
    • US11559387
    • 2006-11-13
    • Franck DahanFranck SeigneretGilles Dubost
    • Franck DahanFranck SeigneretGilles Dubost
    • G06F1/00
    • G06F1/3203G06F1/3237G06F1/324G06F1/3287Y02D10/126Y02D10/128Y02D10/171Y02D50/20
    • An apparatus and method for controlling idle mode in an electronic device. In idle mode, power and clock signals are reduced or stopped to conserve power. The apparatus includes a target module coupled to a power and clock control module (PCCM). The PCCM sends an idleack signal to the target module when at least one initiator module within the device is in a power saving mode. When the target module satisfies conditions for idle mode, the target module sends an idleack signal to the PCCM and enters idle mode. In this state, the target module may process information but may not interact with other modules. When the target module detects a wakeup event, a wakeup signal is sent to the PCCM. When the PCCM returns the normal power and clock signal to the target module, the target module may resume normal operation.
    • 一种用于控制电子设备中的空闲模式的装置和方法。 在空闲模式下,电源和时钟信号被减少或停止以节省电力。 该装置包括耦合到电源和时钟控制模块(PCCM)的目标模块。 当设备中的至少一个启动器模块处于省电模式时,PCCM向目标模块发送空闲信号。 当目标模块满足空闲模式的条件时,目标模块向PCCM发送空闲信号并进入空闲模式。 在这种状态下,目标模块可以处理信息,但可能不与其他模块交互。 当目标模块检测到唤醒事件时,会向PCCM发送唤醒信号。 当PCCM向目标模块返回正常的电源和时钟信号时,目标模块可以恢复正常运行。
    • 6. 发明申请
    • Standby Mode for Power Management
    • 电源管理待机模式
    • US20070113111A1
    • 2007-05-17
    • US11559388
    • 2006-11-13
    • Franck DahanFranck SeigneretGilles Dubost
    • Franck DahanFranck SeigneretGilles Dubost
    • G06F1/00
    • G06F1/3237G06F1/3228Y02D10/128Y02D50/20
    • An apparatus and method for controlling standby mode in an electronic device. In standby mode, power and clock signals are reduced or stopped to conserve power. The apparatus includes an initiator module coupled to a power and clock control module (PCCM). When the initiator module meets conditions for standby mode, the initiator module sends a standby signal to the PCCM and does not interact with other initiator, target, or interconnect modules. When the PCCM communicates a wait signal, the initiator module enters standby mode. When the initiator module detects a wakeup event, the standby signal is deactivated. In this state, the initiator module may process information but may not interact with other modules. When the PCCM deactivates the wait signal and returns power and clock signal to steady state levels, initiator module may resume normal operation.
    • 一种用于控制电子设备中的待机模式的装置和方法。 在待机模式下,电源和时钟信号被减少或停止以节省电力。 该装置包括耦合到电源和时钟控制模块(PCCM)的启动器模块。 当启动器模块满足待机模式条件时,启动器模块向PCCM发送备用信号,不与其他启动器,目标或互连模块进行交互。 当PCCM通信等待信号时,启动器模块进入待机模式。 当启动器模块检测到唤醒事件时,待机信号被禁用。 在这种状态下,启动器模块可以处理信息,但是可能不与其他模块进行交互。 当PCCM关闭等待信号并将电源和时钟信号恢复到稳定状态时,启动器模块可以恢复正常工作。
    • 8. 发明授权
    • Enhancement of power management using dynamic voltage and frequency scaling and digital phase lock loop high speed bypass mode
    • 使用动态电压和频率缩放和数字锁相环高速旁路模式增强电源管理
    • US08207764B2
    • 2012-06-26
    • US12607981
    • 2009-10-28
    • Gilles DubostFranck DahanHugh Thomas MairSylvain Dubois
    • Gilles DubostFranck DahanHugh Thomas MairSylvain Dubois
    • H03L7/06
    • H03L7/0805H03L7/0812H03L7/22
    • An apparatus for clock/voltage scaling includes a device power manager arranged to supply a scalable frequency clock to an interface; a delay-locked loop, supplied by a constant fixed frequency clock and a constant voltage, arranged to generate a unique code depending on process, voltage, and/or temperature; and controlled delay line elements coupled to the delay-locked loop, arranged to generate an appropriate delayed data strobe based on the unique code. A method for a digital phase lock loop high speed bypass mode includes providing a first digital phase lock loop in a first high speed clock domain; providing a second digital phase lock loop in a second clock domain; controlling an output of a first glitchless multiplexer according to preselected settings using a device power manager synchronized locally; and controlling an output of a second glitchless multiplexer using a control logic element of the second digital phase lock loop.
    • 一种用于时钟/电压缩放的装置包括:设备功率管理器,被布置为向接口提供可缩放的频率时钟; 由恒定的固定频率时钟和恒定电压提供的延迟锁定环路,被布置成根据过程,电压和/或温度产生唯一的代码; 以及耦合到所述延迟锁定环路的受控延迟线路元件,被布置为基于所述唯一码产生适当的延迟数据选通。 一种用于数字锁相环高速旁路模式的方法包括在第一高速时钟域中提供第一数字锁相环; 在第二时钟域中提供第二数字锁相环; 使用本地同步的设备电源管理器根据预选设置来控制第一无毛刺多路复用器的输出; 以及使用所述第二数字锁相环的控制逻辑元件来控制第二无毛刺多路复用器的输出。
    • 9. 发明授权
    • Memory controller idle mode
    • 内存控制器空闲模式
    • US08458429B2
    • 2013-06-04
    • US11948844
    • 2007-11-30
    • Franck DahanGilles DubostSylvain Dubois
    • Franck DahanGilles DubostSylvain Dubois
    • G06F12/00G06F13/00G06F13/28G06F1/00G06F1/26G06F1/32G06F11/30G06F1/04G06F1/12G06F5/06
    • G06F13/1694Y02D10/14
    • An apparatus and method for dynamically modifying one or more operating conditions of a memory controller in an electronic device. Operating conditions may comprise clock frequency and power, which may be modified or removed. Dynamic modification of operating conditions may be done for purposes of optimizing a parameter, such as power consumption. A mode, referred to as idle mode, may be used as a transitional or operational mode for the memory controller. The performance of the memory controller may dynamically vary in response to changes in its operating conditions. As such, the memory controller may comprise multiple modes, or submodes, of operation. The performance of the memory controller may depend on the type of memory it controls, for instance Double Data Rate (DDR) Dynamic Random Access Memory (DRAM).
    • 一种用于动态修改电子设备中的存储器控​​制器的一个或多个操作条件的装置和方法。 操作条件可以包括时钟频率和功率,其可以被修改或去除。 操作条件的动态修改可以用于优化诸如功率消耗之类的参数的目的。 称为空闲模式的模式可以用作存储器控制器的过渡或操作模式。 存储器控制器的性能可以根据其操作条件的变化而动态变化。 因此,存储器控制器可以包括操作的多种模式或子模式。 存储器控制器的性能可以取决于其控制的存储器的类型,例如双数据速率(DDR)动态随机存取存储器(DRAM)。
    • 10. 发明申请
    • Enhancement of Power Management Using Dynamic Voltage and Frequency Scaling and Digital Phase Lock Loop High Speed Bypass Mode
    • 使用动态电压和频率缩放和数字锁相环高速旁路模式增强电源管理
    • US20110095794A1
    • 2011-04-28
    • US12607981
    • 2009-10-28
    • Gilles DubostFranck DahanHugh Thomas MairSylvain Dubois
    • Gilles DubostFranck DahanHugh Thomas MairSylvain Dubois
    • H03L7/06
    • H03L7/0805H03L7/0812H03L7/22
    • An apparatus for clock/voltage scaling includes a device power manager arranged to supply a scalable frequency clock to an interface; a delay-locked loop, supplied by a constant fixed frequency clock and a constant voltage, arranged to generate a unique code depending on process, voltage, and/or temperature; and controlled delay line elements coupled to the delay-locked loop, arranged to generate an appropriate delayed data strobe based on the unique code. A method for a digital phase lock loop high speed bypass mode includes providing a first digital phase lock loop in a first high speed clock domain; providing a second digital phase lock loop in a second clock domain; controlling an output of a first glitchless multiplexer according to preselected settings using a device power manager synchronized locally; and controlling an output of a second glitchless multiplexer using a control logic element of the second digital phase lock loop.
    • 一种用于时钟/电压缩放的装置包括:设备功率管理器,被布置为向接口提供可缩放的频率时钟; 由恒定的固定频率时钟和恒定电压提供的延迟锁定环路,被布置成根据过程,电压和/或温度产生唯一的代码; 以及耦合到所述延迟锁定环路的受控延迟线路元件,被布置为基于所述唯一码产生适当的延迟数据选通。 一种用于数字锁相环高速旁路模式的方法包括在第一高速时钟域中提供第一数字锁相环; 在第二时钟域中提供第二数字锁相环; 使用本地同步的设备电源管理器根据预选设置来控制第一无毛刺多路复用器的输出; 以及使用所述第二数字锁相环的控制逻辑元件来控制第二无毛刺多路复用器的输出。