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    • 12. 发明授权
    • Apparatus and methods thereof for reducing energy consumption for PWM controlled integrated circuits in vehicles
    • 用于减少车​​辆中PWM控制集成电路的能量消耗的装置及其方法
    • US08502721B2
    • 2013-08-06
    • US13460198
    • 2012-04-30
    • Khaled DouzanePascal JullienFarid Tahiri
    • Khaled DouzanePascal JullienFarid Tahiri
    • H03M1/12
    • G05B11/28
    • An apparatus, protocol and methods for reducing vehicle energy consumption and for precise electronic event control, by implementing full CPU off-loading, using pulse-width modulation (PWM) with analog feedback diagnosis enabling real-time operation. Accordingly, analog feedback is used for external integrated circuits (IC) controlled by a PWM output, for processes to be analyzed. The apparatus includes a microprocessor that integrates an autonomous PWM module and an analog-to-digital converter (ADC) group manager, each including register modules for enabling analog-to-digital signal conversion comparisons of PWM feedback data, and generating of an interrupt command when required, and more specifically to automatically initiate transfer of data from the ADC to memory responsive of an interrupt trigger. As may be necessary the output of the ADC is calibrated or otherwise scaled to enable proper operation.
    • 通过采用具有模拟反馈诊断功能的脉冲宽度调制(PWM)实现全面的CPU卸载,实现了实时操作,减少车辆能耗和精确电子事件控制的装置,协议和方法。 因此,模拟反馈用于由PWM输出控制的外部集成电路(IC),用于要分析的过程。 该装置包括集成自主PWM模块和模数转换器(ADC)组管理器的微处理器,每个模块包括用于启用PWM反馈数据的模数转换比较和产生中断命令的寄存器模块 当需要时,更具体地是根据中断触发自动启动数据从ADC传输到存储器。 可能需要对ADC的输出进行校准或以其他方式缩放以实现正确的操作。
    • 13. 发明申请
    • Apparatus and Methods Thereof for Reducing Energy Consumption for PWM Controlled Integrated Circuits in Vehicles
    • 降低车辆PWM控制集成电路能耗的装置及方法
    • US20120235842A1
    • 2012-09-20
    • US13460198
    • 2012-04-30
    • Khaled DouzanePascal JullienFarid Tahiri
    • Khaled DouzanePascal JullienFarid Tahiri
    • H03M1/10H03M1/12
    • G05B11/28
    • An apparatus, protocol and methods for reducing vehicle energy consumption and for precise electronic event control, by implementing full CPU off-loading, using pulse-width modulation (PWM) with analog feedback diagnosis enabling real-time operation. Accordingly, analog feedback is used for external integrated circuits (IC) controlled by a PWM output, for processes to be analyzed. The apparatus includes a microprocessor that integrates an autonomous PWM module and an analog-to-digital converter (ADC) group manager, each including register modules for enabling analog-to-digital signal conversion comparisons of PWM feedback data, and generating of an interrupt command when required, and more specifically to automatically initiate transfer of data from the ADC to memory responsive of an interrupt trigger. As may be necessary the output of the ADC is calibrated or otherwise scaled to enable proper operation.
    • 通过采用具有模拟反馈诊断功能的脉冲宽度调制(PWM)实现全面的CPU卸载,实现了实时操作,减少车辆能耗和精确电子事件控制的装置,协议和方法。 因此,模拟反馈用于由PWM输出控制的外部集成电路(IC),用于要分析的过程。 该装置包括集成自主PWM模块和模数转换器(ADC)组管理器的微处理器,每个模块包括用于启用PWM反馈数据的模数转换比较和产生中断命令的寄存器模块 当需要时,更具体地是根据中断触发自动启动数据从ADC传输到存储器。 可能需要对ADC的输出进行校准或以其他方式缩放以实现正确的操作。
    • 15. 发明授权
    • Device for processing echo, particularly acoustic echo in a telephone
line
    • 用于处理回声的设备,特别是电话线中的声学回声
    • US5343521A
    • 1994-08-30
    • US678282
    • 1991-04-16
    • Jean-Pascal JullienGregoire Le Tourneur
    • Jean-Pascal JullienGregoire Le Tourneur
    • H04B3/23H04M9/08
    • H04B3/23H04M9/082H04B3/238
    • The device comprises an echo cancelling circuit receiving a first signal and a second signal and a real echo between channels for producing a third signal containing the second signal and a difference between the real echo and the estimated echo. Detectors detect the echo difference and the second signal in the third signal when the level of the third signal exceeds a predetermined threshold. Circuits gain-control the adaptation in the adaptive filtration of the echo cancelling circuit in such a way as to modify the adaptation gain when the second signal is not detected and to prohibit all filtration modifications as long as the second signal is detected. For instance, for an acoustic echo in a telephone set, the echo is not processed when the third signal contains a local speech signal as second signal.
    • PCT No.PCT / FR90 / 00621 Sec。 371日期:1991年4月16日 102(e)日期1991年4月16日PCT 1990年8月20日PCT PCT。 公开号WO91 / 03116 日期为1991年3月7日。该装置包括回波消除电路,其接收信号之间的第一信号和第二信号以及实际回波,用于产生包含第二信号的第三信号和真实回波与估计回波之间的差。 当第三信号的电平超过预定阈值时,检测器检测第三信号中的回波差和第二信号。 电路在回波消除电路的自适应滤波中增益控制,以便在不检测到第二信号时修改自适应增益,并且只要检测到第二信号,就禁止所有的滤波修改。 例如,对于电话机中的声学回声,当第三信号包含本地语音信号作为第二信号时,回波不被处理。