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    • 2. 发明授权
    • Telephone device, telephone line monitoring device and method
    • 电话设备,电话线路监控设备及方法
    • US08180033B2
    • 2012-05-15
    • US12099172
    • 2008-04-08
    • Lin-Kun DingShih-Fang WongXiang-Ping ZhouJiang-Feng ShanGui-Rong Zhou
    • Lin-Kun DingShih-Fang WongXiang-Ping ZhouJiang-Feng ShanGui-Rong Zhou
    • H04M3/00
    • H04M1/66
    • A telephone line monitoring device is connected to a telephone line and adjacent to a telephone device using the telephone line. The telephone line monitoring device includes a rectifying circuit for generating a corresponding direct current voltage according to an effective voltage of the telephone line; a first controller for generating a first control signal when the direct current voltage is lower than a predetermined voltage; a second controller for detecting an operating state of the telephone device and generating a second control signal when the telephone device is operated; a load booster for pulling down the effective voltage of the telephone line when enabled; and a first switch circuit for disabling the load booster whenever receiving the second control signal, and enabling the load booster when receiving the first control signal while not receiving the second control signal. A monitoring method and a telephone device are also provided.
    • 电话线监视装置使用电话线连接到电话线并且与电话装置相邻。 电话线监视装置包括:整流电路,用于根据电话线的有效电压产生相应的直流电压; 第一控制器,用于当直流电压低于预定电压时产生第一控制信号; 第二控制器,用于在电话设备操作时检测电话设备的操作状态并产生第二控制信号; 用于在启用时拉低电话线的有效电压的负载增强器; 以及第一开关电路,用于在接收到所述第二控制信号时禁用所述负载增强器,以及在接收到所述第一控制信号而不接收所述第二控制信号的情况下使能所述负载增强器。 还提供监视方法和电话装置。
    • 7. 发明授权
    • Power-saving circuit
    • 省电电路
    • US07880393B2
    • 2011-02-01
    • US11874915
    • 2007-10-19
    • Shih-Fang WongTsung-Jen ChuangLin-Kun Ding
    • Shih-Fang WongTsung-Jen ChuangLin-Kun Ding
    • H05B37/02
    • G06F1/3203G06F1/3231Y02D10/173
    • A power-saving circuit is provided for saving electrical power by detecting a presence or absence of an object in a localized area. The power-saving circuit includes a sensor module, and a switch module connected to the sensor module. The detector is adapted for outputting a control signal at a first state when an object is detected in the localized area, and outputting a control signal at a second state when an object is detected not in the localized area. The switch module provides a stable DC voltage according to the control signal at the first state, and not provides the stable DC voltage according to the control signal at the second state.
    • 提供了一种省电电路,用于通过检测局部区域中的物体的存在或不存在来节省电力。 节电电路包括传感器模块和连接到传感器模块的开关模块。 当在局部区域中检测到物体时,检测器适于输出处于第一状态的控制信号,并且当检测到物体不在局部区域时,输出处于第二状态的控制信号。 开关模块根据第一状态下的控制信号提供稳定的直流电压,并且不在第二状态下根据控制信号提供稳定的直流电压。
    • 9. 发明申请
    • SURVEILLANCE SECURITY SYSTEM AND METHOD
    • 监察系统和方法
    • US20080094470A1
    • 2008-04-24
    • US11627358
    • 2007-01-25
    • Shih-Fang WongTsung-Jen ChuangLin-Kun Ding
    • Shih-Fang WongTsung-Jen ChuangLin-Kun Ding
    • H04N7/18
    • H04N7/18
    • A surveillance security system is used for selectively storing motion image data of an object to be detected. The surveillance security system includes an image-capturing device for capturing images from an object; a memory module for storing the image data; and a controller for controlling a storage process of the memory module. The controller includes a sampling module for taking a plurality of image frames from the image data; and a control-signal generating module for receiving the image frames and generating a write enable signal by comparing the image frames, wherein the write enable signal is used for controlling the storage process of the memory module. A surveillance security method for selectively storing motion image data of an object is also disclosed.
    • 监视安全系统用于选择性地存储待检测对象的运动图像数据。 监视安全系统包括用于从对象捕获图像的图像捕获装置; 存储模块,用于存储图像数据; 以及用于控制存储器模块的存储处理的控制器。 所述控制器包括用于从所述图像数据中取出多个图像帧的采样模块; 以及控制信号生成模块,用于通过比较图像帧来接收图像帧并产生写入使能信号,其中写入使能信号用于控制存储器模块的存储处理。 还公开了一种用于选择性地存储对象的运动图像数据的监视安全方法。
    • 10. 发明授权
    • State switching device for switching states of electronic device by detecting battery voltage of the electronic device and method thereof
    • 用于通过检测电子装置的电池电压来切换电子装置的状态的状态开关装置及其方法
    • US08239148B2
    • 2012-08-07
    • US12336506
    • 2008-12-16
    • Shih-Fang WongTsung-Jen ChuangLin-Kun DingJiang-Feng Shan
    • Shih-Fang WongTsung-Jen ChuangLin-Kun DingJiang-Feng Shan
    • G01R31/36G06F11/30
    • G01R15/04G01R19/16542
    • A state switching device for switching the states of a device by detecting a battery voltage of the device is provided. The device includes a voltage dividing circuit to provide an output voltage in proportion to the battery voltage, and a detection unit which includes a voltage detection module, a comparison module, a control module and a state detection module to obtain the device's state. The voltage detection module produces a digital detection voltage according to the output voltage at normal time intervals, the comparison module detects whether the digital detection voltage is lower than a reference voltage corresponding to the state. If yes, the voltage detection module obtains digital detection voltage at abnormal time intervals. The comparison module compares a predetermined number of digital detection voltages with the reference voltage to produce comparison results. The control module determines whether to maintain the device's state according to the comparison results.
    • 提供一种用于通过检测设备的电池电压来切换设备的状态的状态切换设备。 该装置包括:分压电路,用于提供与电池电压成比例的输出电压;以及检测单元,其包括电压检测模块,比较模块,控制模块和状态检测模块,以获得装置的状态。 电压检测模块以正常时间间隔根据输出电压产生数字检测电压,比较模块检测数字检测电压是否低于对应于该状态的参考电压。 如果是,电压检测模块以异常的时间间隔获得数字检测电压。 比较模块将预定数量的数字检测电压与参考电压进行比较,以产生比较结果。 控制模块根据比较结果确定是否维护设备的状态。