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    • 4. 发明申请
    • OUTPUT SHORT CIRCUIT PROTECTING DEVICE
    • 输出短路保护装置
    • US20160064918A1
    • 2016-03-03
    • US14476167
    • 2014-09-03
    • Chicony Power Technology Co., Ltd.
    • Tzu-Hung WANGYung-Hung HSIAOChen-Hsiung LEECheng-Chang HSIAO
    • H02H3/20
    • H02H3/20H02H3/087H02M7/00
    • An output short circuit protecting device electrically connected to a power supplying device includes a first output short circuit protecting unit. The first output short circuit protecting unit includes a sensing unit, a comparing unit, a judging element, and a latching unit. The sensing unit is electrically connected to a switching unit, a first outputting resistor, and a second outputting resistor of the power supplying device. The comparing unit is electrically connected to the sensing unit. The judging element is electrically connected to the comparing unit, and a controller and a signal-controlling terminal of the power supplying device. The latching unit is electrically connected to the judging element and the signal-controlling terminal.
    • 电连接到供电装置的输出短路保护装置包括第一输出短路保护单元。 第一输出短路保护单元包括感测单元,比较单元,判断元件和锁存单元。 感测单元电连接到供电装置的开关单元,第一输出电阻器和第二输出电阻器。 比较单元电连接到感测单元。 判断元件电连接到比较单元,以及电源装置的控制器和信号控制端子。 闩锁单元电连接到判断元件和信号控制端子。
    • 10. 发明申请
    • POWER SUPPLY METHOD FOR AVOIDING AUDIO NOISE AND POWER SUPPLY APPARATUS FOR AVOIDING AUDIO NOISE
    • 用于避免音频噪声的电源方法和用于避免音频噪声的电源设备
    • US20160373090A1
    • 2016-12-22
    • US14741878
    • 2015-06-17
    • Chicony Power Technology Co., Ltd.
    • Yung-Hung HSIAOCheng-Chang HSIAO
    • H03K3/013H02M3/04
    • H02M3/04H02M1/44H02M2001/0035Y02B70/16
    • A power supply apparatus (10) includes a voltage input side (102), a power switch circuit (104), a voltage output side (106), a pulse width modulation signal generating circuit (108) and a burst frequency detection circuit (110). According to a pulse width modulation signal (114), the pulse width modulation signal generating circuit (108) controls the power switch circuit (104), so that the power supply apparatus (10) enters a burst mode. The burst frequency detection circuit (110) detects a burst frequency of the power switch circuit (104). The burst frequency detection circuit (110) informs the pulse width modulation signal generating circuit (108) that the burst frequency is in an audio frequency range if the burst frequency is in the audio frequency range. The power supply apparatus (10) leaves from the burst mode to avoid audio noise.
    • 电源装置(10)包括电压输入侧(102),电源开关电路(104),电压输出侧(106),脉宽调制信号生成电路(108)和突发频率检测电路(110) )。 根据脉宽调制信号(114),脉宽调制信号发生电路(108)控制电源开关电路(104),供电装置(10)进入突发模式。 突发频率检测电路(110)检测电源开关电路(104)的突发频率。 脉冲串频率检测电路(110)通过脉冲宽度调制信号生成电路(108),如果脉冲串频率处于音频范围,脉冲串频率处于音频范围。 电源装置(10)从突发模式离开以避免音频噪声。