Light emitted diode driving apparatus
    1.
    发明授权
    Light emitted diode driving apparatus 有权
    发光二极管驱动装置

    公开(公告)号:US07265681B2

    公开(公告)日:2007-09-04

    申请号:US11139527

    申请日:2005-05-31

    Inventor: Sheng-Feng Chen

    CPC classification number: H05B33/0815 H05B33/0818 H05B33/0827

    Abstract: A driving apparatus includes a DC-to-DC converter, a first LED series, a second LED series, a first constant-current circuit, a second constant-current circuit, and a feedback circuit. The DC-to-DC converter respectively outputs a direct-current voltage to one terminal of the first and the second LED series to generate a first potential and a second potential at the other terminal of the first and the second LED series according to a feedback voltage. The first and the second constant-current circuits are respectively coupled to the other terminal of the first and the second LED series and output a first current and a second current for driving the first and the second LED series according to a first and a second control signals. The feedback circuit uses the lower one of the first potential and the second potential as a feedback voltage.

    Abstract translation: 驱动装置包括DC-DC转换器,第一LED系列,第二LED系列,第一恒定电流电路,第二恒定电流电路和反馈电路。 DC-DC转换器分别向第一和第二LED系列的一个端子输出直流电压,以根据反馈在第一和第二LED串联的另一端产生第一电位和第二电位 电压。 第一和第二恒流电路分别耦合到第一和第二LED串联的另一个端子,并输出用于根据第一和第二控制驱动第一和第二LED串的第一电流和第二电流 信号。 反馈电路使用第一电位和第二电位中较低的一个作为反馈电压。

    One way conductor
    2.
    发明申请
    One way conductor 有权
    单向指挥

    公开(公告)号:US20050253642A1

    公开(公告)日:2005-11-17

    申请号:US11092690

    申请日:2005-03-30

    Inventor: Sheng-Feng Chen

    CPC classification number: H03K17/302 H03K17/063 H03K17/693 H03K2017/307

    Abstract: A one way conductor includes a MOSFET and a driving device. The MOSFET has a source and a drain respectively serving a positive end P and a negative end N of the one way conductor. The driving device including a BJT differential amplifier detects a voltage difference between the source and the drain of the MOSFET. When the voltage of the positive end P is higher than the voltage of the negative end N, the driving device outputs a driving voltage to a gate of the MOSFET to turn on the MOSFET. If the voltage of the positive end P is lower than the voltage of the negative end N, the driving device cannot output the driving voltage for turning on the MOSFET, and the one way conductor is turned off at this time. Consequently, the one way conductor of the invention has the one way conductive property.

    Abstract translation: 单向导体包括MOSFET和驱动装置。 MOSFET具有分别用于单向导体的正端P和负端N的源极和漏极。 包括BJT差分放大器的驱动装置检测MOSFET的源极和漏极之间的电压差。 当正端P的电压高于负端N的电压时,驱动装置向MOSFET的栅极输出驱动电压,使MOSFET导通。 如果正端P的电压低于负端N的电压,则驱动装置不能输出导通MOSFET的驱动电压,此时单向导体截止。 因此,本发明的单向导体具有单向导电性能。

    Power supply device
    3.
    发明授权
    Power supply device 有权
    电源设备

    公开(公告)号:US07345451B2

    公开(公告)日:2008-03-18

    申请号:US11136006

    申请日:2005-05-24

    Inventor: Sheng-Feng Chen

    CPC classification number: H02J7/0073

    Abstract: A power supply device providing required power to a loading device. The power supply device includes a battery, an adjustable power converter and a control circuit. The battery, having a current meter, selectively outputs required power to the loading device. The power converter receives and converts an AC voltage into a first DC voltage or a second DC voltage, further receives an adjusting signal. The power converter outputs the second DC voltage when the adjusting signal is enabled. The magnitude of the second DC voltage is lower than the output voltage of the battery. The control circuit is coupled to the battery and the power converter. When the power of the battery is gauged, the control circuit enables the adjusting signal for the power converter to output the second DC voltage, so that the battery discharges the loading device for the current meter to re-gauge the power of the battery.

    Abstract translation: 向加载装置提供所需电力的电源装置。 电源装置包括电池,可调电源转换器和控制电路。 具有电流表的电池选择性地向加载装置输出所需的电力。 电力转换器接收并将交流电压转换为第一直流电压或第二直流电压,并进一步接收调整信号。 当调节信号使能时,电源转换器输出第二个直流电压。 第二直流电压的大小低于电池的输出电压。 控制电路耦合到电池和电力转换器。 当电池的功率被测量时,控制电路使能电力转换器的调节信号输出第二直流电压,使得电池放电电流表的装载装置来重新测量电池的功率。

    Temperature control system
    4.
    发明申请
    Temperature control system 有权
    温控系统

    公开(公告)号:US20060259794A1

    公开(公告)日:2006-11-16

    申请号:US11195648

    申请日:2005-08-03

    Inventor: Sheng-Feng Chen

    CPC classification number: G06F1/26

    Abstract: A temperature control system used in a portable computer comprises a first control part, a second control part connected to an operation processing unit (OPU), a third control part and a fourth control part connected to a charge part. The first control part outputs a first control signal for responding the temperature and load current changes of an external power transformer. The third control part outputs a second control signal for responding the temperature and load current changes of a battery. When the portable computer is powered by the external transformer, the second control part receives the first control signal to control the OPU, and the fourth control part controls the charge current of the charge part. When the portable computer is powered by the battery, the second control part receives the second control signal to control the OPU.

    Abstract translation: 在便携式计算机中使用的温度控制系统包括第一控制部分,连接到操作处理单元(OPU)的第二控制部分,连接到计费部分的第三控制部分和第四控制部分。 第一控制部分输出用于响应外部电力变压器的温度和负载电流变化的第一控制信号。 第三控制部输出用于响应电池的温度和负载电流变化的第二控制信号。 当便携式计算机由外部变压器供电时,第二控制部分接收第一控制信号以控制OPU,第四控制部分控制充电部分的充电电流。 当便携式计算机由电池供电时,第二控制部分接收第二控制信号以控制OPU。

    Power supply device
    5.
    发明申请
    Power supply device 有权
    电源设备

    公开(公告)号:US20060087289A1

    公开(公告)日:2006-04-27

    申请号:US11136006

    申请日:2005-05-24

    Inventor: Sheng-Feng Chen

    CPC classification number: H02J7/0073

    Abstract: A power supply device providing required power to a loading device. The power supply device includes a battery, an adjustable power converter and a control circuit. The battery, having a current meter, selectively outputs required power to the loading device. The power converter receives and converts an AC voltage into a first DC voltage or a second DC voltage, further receives an adjusting signal. The power converter outputs the second DC voltage when the adjusting signal is enabled. The magnitude of the second DC voltage is lower than the output voltage of the battery. The control circuit is coupled to the battery and the power converter. When the power of the battery is gauged, the control circuit enables the adjusting signal for the power converter to output the second DC voltage, so that the battery discharges the loading device for the current meter to re-gauge the power of the battery.

    Abstract translation: 向加载装置提供所需电力的电源装置。 电源装置包括电池,可调电源转换器和控制电路。 具有电流表的电池选择性地向加载装置输出所需的电力。 电力转换器接收并将交流电压转换为第一直流电压或第二直流电压,并进一步接收调整信号。 当调节信号使能时,电源转换器输出第二个直流电压。 第二直流电压的大小低于电池的输出电压。 控制电路耦合到电池和电力转换器。 当电池的功率被测量时,控制电路使得功率转换器的调整信号能够输出第二直流电压,使得电池对当前仪表的负载装置进行放电以重新测量电池的功率。

    Connector set of note book computer
    6.
    发明申请
    Connector set of note book computer 有权
    笔记本电脑连接器套件

    公开(公告)号:US20060203444A1

    公开(公告)日:2006-09-14

    申请号:US11299622

    申请日:2005-12-13

    CPC classification number: H01R27/00 H02J7/0042

    Abstract: A connector set of notebook computer is provided. The connector set includes a power supply connector, a host connector, a battery connector and a battery recess connector. The host connector is fixed on the notebook computer and electrically connected to the power supply connector. The battery connector is removably disposed on the notebook computer. The battery recess connector is fixed in a battery recess of the notebook computer. The battery connector is capable of being electrically connected to both battery recess connector and the power supply connector. That is, the battery connector of the invention is selectively connected to the battery recess connector or the power supply connector. Thus, the flexibility and convenience of the connector is largely increased.

    Abstract translation: 提供笔记本电脑连接器。 连接器组包括电源连接器,主机连接器,电池连接器和电池凹部连接器。 主机连接器固定在笔记本电脑上并电连接到电源连接器。 电池连接器可移除地设置在笔记本电脑上。 电池槽连接器固定在笔记本电脑的电池槽中。 电池连接器能够电连接到电池凹槽连接器和电源连接器。 也就是说,本发明的电池连接器选择性地连接到电池凹部连接器或电源连接器。 因此,连接器的灵活性和方便性大大提高。

    Electronic apparatus capable of effectively using power of an AC/DC adaptor
    7.
    发明申请
    Electronic apparatus capable of effectively using power of an AC/DC adaptor 有权
    能够有效地使用AC / DC适配器的电力的电子设备

    公开(公告)号:US20050007798A1

    公开(公告)日:2005-01-13

    申请号:US10720332

    申请日:2003-11-25

    Inventor: Sheng-Feng Chen

    CPC classification number: G06F1/26 H02J7/007 H02M1/32

    Abstract: An electronic apparatus capable of effectively using power of an AC/DC adaptor including a host and an AC/DC adaptor is provided. The AC/DC adaptor is used for receiving an AC power and converting it into a DC power for the host. At the same time, the AC/DC adaptor outputs a controlling signal to control the power consumption of the host according to the power output at that time. The AC/DC adaptor includes a switching power converter for converting the AC power into the DC power, and a power supply controller for outputting a controlling signal according to the power output by the switching power converter.

    Abstract translation: 提供一种能够有效地使用包括主机和AC / DC适配器的AC / DC适配器的电力的电子设备。 AC / DC适配器用于接收交流电源,并将其转换为主机的直流电源。 同时,AC / DC适配器输出控制信号,以根据当时的功率输出来控制主机的功耗。 AC / DC适配器包括用于将AC电力转换为DC电力的开关电力转换器,以及用于根据开关电力转换器的输出输出控制信号的电源控制器。

    Voltage balancing device for a direct current power supplying system
    8.
    发明授权
    Voltage balancing device for a direct current power supplying system 有权
    用于直流供电系统的电压平衡装置

    公开(公告)号:US6011384A

    公开(公告)日:2000-01-04

    申请号:US205540

    申请日:1998-12-03

    Inventor: Sheng-Feng Chen

    CPC classification number: G05F1/461 H04M19/08 Y10T307/685

    Abstract: A voltage balancing device is to be used in a dc power supplying system which includes first and second power supplying units that are connected in series to supply power concurrently operate an electrical load. The first power supplying unit has a negative terminal and a positive terminal to be connected to the electrical load. The second power supplying unit has a positive terminal connected to the negative terminal of the first power supplying unit, and a negative terminal to be connected to a ground. The voltage balancing device includes a reference voltage generating unit connected in parallel to the power supplying system and having an output that provides a reference voltage, and a comparator unit having a first input port connected to the output of the reference voltage generating unit, a second input port connected to a junction of the first and second power supplying units of the power supplying system so as to receive a detected voltage therefrom, and an output port connected to the second input port.

    Abstract translation: 在直流供电系统中使用电压平衡装置,该系统包括串联连接的供电电源并且同时操作电负载的第一和第二供电单元。 第一供电单元具有负端子和正端子以连接到电负载。 第二供电单元具有连接到第一供电单元的负极端子的正极端子和与地连接的负极端子。 电压平衡装置包括与电力供应系统并联连接并具有提供参考电压的输出的参考电压产生单元,以及具有连接到参考电压产生单元的输出的第一输入端口的比较器单元,第二 输入端口连接到供电系统的第一和第二供电单元的接点,以便从其接收检测到的电压,以及连接到第二输入端口的输出端口。

    Power supply system
    9.
    发明申请
    Power supply system 审中-公开
    电源系统

    公开(公告)号:US20080116848A1

    公开(公告)日:2008-05-22

    申请号:US11808495

    申请日:2007-06-11

    Inventor: Sheng-Feng Chen

    CPC classification number: H02J7/0068

    Abstract: The invention discloses a power supply system for charging a rechargeable battery in a portable electronic device. The power supply system of the invention redefines an output curve of a power adapter, such that the power adapter can work in a maximum power region for a long time. When a system current plus a charging current exceed a maximum current limit of the power adapter, the power supply system of the invention will automatically lower the current for charging a battery, so as to prevent the power adapter from being shut down.

    Abstract translation: 本发明公开了一种用于对便携式电子设备中的可充电电池进行充电的电源系统。 本发明的电源系统重新定义电源适配器的输出曲线,使得电源适配器可以长时间工作在最大功率区域。 当系统电流加充电电流超过电源适配器的最大电流限制时,本发明的电源系统将自动降低对电池充电的电流,以防止电源适配器被关闭。

    Charging-discharging control device
    10.
    发明申请
    Charging-discharging control device 审中-公开
    充放电控制装置

    公开(公告)号:US20070188140A1

    公开(公告)日:2007-08-16

    申请号:US11444419

    申请日:2006-06-01

    Inventor: Sheng-Feng Chen

    CPC classification number: H02J7/0013 H02J7/0022 H02J7/0031 H02J7/34

    Abstract: A charging-discharging control device has a selector, a charging circuit and at least two battery packs. The selector has a controller and a discharging switch. When a controller input voltage is higher than a preset voltage, the controller generates a charge-discharge signal of a first voltage level, and when the controller input voltage is not higher than the preset voltage, the controller generates the charge-discharge signal of a second voltage level, and the discharging switch is turned on. The charging circuit coupled to the selector. When the charge-discharge signal is at the first voltage level, the charging circuit charges the battery packs. When the charge-discharge signal is at the second voltage level, the battery packs supply the power to a loading system.

    Abstract translation: 充电放电控制装置具有选择器,充电电路和至少两个电池组。 选择器具有控制器和放电开关。 当控制器输入电压高于预设电压时,控制器产生第一电压电平的充放电信号,当控制器输入电压不高于预设电压时,控制器产生一个充电 - 放电信号 第二电压电平,放电开关导通。 充电电路耦合到选择器。 当充放电信号处于第一电压电平时,充电电路对电池组充电。 当充放电信号处于第二电压电平时,电池组向负载系统供电。

Patent Agency Ranking