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    • 23. 发明授权
    • Keypad assembly
    • 键盘装配
    • US08063325B2
    • 2011-11-22
    • US12405550
    • 2009-03-17
    • Fu-Hsin SungYi-Hua Wang
    • Fu-Hsin SungYi-Hua Wang
    • H01H9/00
    • H01H13/83H01H2219/044H01H2219/062H01H2219/064H01H2221/07
    • An exemplary keypad assembly includes: a printed circuit board (PCB) comprising a plurality of fixed contact points formed thereon, an elastic sheet disposed on the PCB, the elastic sheet comprising a base and many switches fixed on the base above the fixed contact points correspondingly; many key buttons, each key button comprising a main portion, and a pressing portion extending downward from the main portion; a light shielding sheet defining a plurality of through holes, the light shielding sheet integrally formed with the key buttons, the key buttons respectively passing through each of the through holes of the light shield sheet. The light shielding sheet with the key buttons is disposed above the elastic sheet, each pressing portion of each key button corresponding to each switch. The keypad assembly has a thin configuration due to a combination configuration of the light shielding sheet and the key buttons.
    • 示例性键盘组件包括:印刷电路板(PCB),其包括形成在其上的多个固定接触点,弹性片设置在PCB上,弹性片包括基部和许多开关,其相应地固定在固定接触点上方的基座上 ; 多个键按钮,每个键按钮包括主要部分和从该主要部分向下延伸的按压部分; 限定多个通孔的遮光片,所述遮光片与所述按键一体地形成,所述按键分别穿过所述遮光片的每个所述通孔。 具有按键的遮光片设置在弹性片的上方,每个键按钮的每个按压部分对应于每个开关。 由于遮光片和按键的组合构造,键盘组件具有薄的构造。
    • 26. 发明申请
    • FREQUENCY-CHANGING VOLTAGE REGULATION CIRCUIT
    • 频率变化电压调节电路
    • US20090261789A1
    • 2009-10-22
    • US12106800
    • 2008-04-21
    • Yu-Yuan CHANGYi-Hua Wang
    • Yu-Yuan CHANGYi-Hua Wang
    • G05F1/10G05F5/00
    • H02M5/458H02M3/156H02M2001/007
    • The present invention discloses a frequency-changing voltage regulation circuit, which applies to a power supply device that has a booster unit and a power conversion unit. The booster unit modulates an input power and converts the input power into a boosted power. The boost control circuit is coupled to the frequency-changing voltage regulation circuit of the present invention. The frequency-changing voltage regulation circuit comprises: a voltage detection circuit and a frequency setting circuit. The voltage detection circuit detects the input power sent to the booster unit and generates an input level signal according to the value of the input power. The frequency setting circuit generates a reference frequency signal corresponding to the input level signal and uses the reference frequency signal to modulate the frequency that the booster unit performs power conversion.
    • 本发明公开了一种频率变换电压调节电路,其适用于具有升压单元和功率转换单元的电源装置。 升压单元调制输入功率并将输入功率转换为升压功率。 升压控制电路与本发明的变频调压电路连接。 变频调压电路包括:电压检测电路和频率设定电路。 电压检测电路检测发送到升压单元的输入功率,并根据输入功率的值生成输入电平信号。 频率设定电路生成与输入电平信号对应的基准频率信号,并使用基准频率信号来调制升压部进行电力转换的频率。
    • 28. 发明授权
    • Power circuit for reducing standby power consumption
    • 用于降低待机功耗的电源电路
    • US08542001B2
    • 2013-09-24
    • US12815970
    • 2010-06-15
    • Tsun-Te ShihYu-Yuan ChangYi-Hua WangHeng-Chia Chang
    • Tsun-Te ShihYu-Yuan ChangYi-Hua WangHeng-Chia Chang
    • H02M3/156H02M3/157H02M3/158
    • H02J9/005
    • In a power circuit for reducing standby power consumption, a power supply is defined to include a primary power system and a stationary power system. The stationary power system outputs a stationary power after obtaining an input power. A control unit controls ON/OFF of the primary power system, obtains the stationary power as the required power, and receives a PS ON/OFF signal for triggering the control unit, so that the control unit controls the primary power system to supply a primary output power. The power supply includes a switch unit having two ends connected to a power circuit for outputting the stationary power and a virtual load respectively. The PS ON/OFF signal is provided for controlling the switch unit. If the switch unit does not receive the PS ON/OFF signal, it is OFF in a standby mode to avoid unnecessary power consumption of the virtual load.
    • 在用于降低待机功耗的电源电路中,将电源定义为包括主电源系统和固定电源系统。 固定电力系统在获得输入功率后输出静止电力。 控制单元控制主电力系统的接通/断开,获得作为所需电力的固定功率,并且接收用于触发控制单元的PS ON / OFF信号,使得控制单元控制主电力系统以提供主电力 输出功率。 电源包括开关单元,其两端分别连接到用于输出静态功率的电源电路和虚拟负载。 提供PS ON / OFF信号用于控制开关单元。 如果开关单元没有接收到PS ON / OFF信号,则在待机模式下为OFF,以避免虚拟负载的不必要的功耗。
    • 29. 发明授权
    • Power supply providing an integrated power system
    • 电源提供集成电源系统
    • US08330292B2
    • 2012-12-11
    • US12567329
    • 2009-09-25
    • Yi-Hua WangYu-Yuan Chang
    • Yi-Hua WangYu-Yuan Chang
    • G05D23/00G06F1/00H02J1/00
    • H02M3/335H02M1/4208H02M2001/0032H02M2001/007Y02B70/126Y02B70/16Y02P80/112Y10T307/406Y10T307/461
    • A power supply with an integrated power system has a common transformer. After the power supply receives input power, the common transformer generates an induction power at the secondary side. The power supply further includes a standby power system receiving the induction power and outputting a standby power, an actuation switch with one end electrically bridging the common transformer and the standby power system, a primary power system connecting to the other end of the actuation switch, and a power management unit receives the standby power to be activated. The standby power system modulates and transforms the induction power to the standby power to start operation of the power management unit. Users can trigger the power management unit to output an enabling signal to conduct the actuation switch to be ON so that the primary power system can receive the induction power and transform to output the primary output power.
    • 具有集成电力系统的电源具有公共变压器。 电源接收输入电源后,公共变压器在次级侧产生感应电源。 电源还包括接收感应电源并输出待机电力的备用电力系统,具有电桥接公共变压器和备用电力系统的一端的致动开关,连接到致动开关的另一端的主电力系统, 并且电源管理单元接收待激活的待机电力。 备用电源系统调制并将感应电源转换为待机电源,以开始电源管理单元的运行。 用户可以触发电源管理单元输出使能信号,使致动开关导通,使主电源系统能够接收感应电源并变换输出主输出功率。