会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 51. 发明专利
    • Light-emitting diode lighting device
    • 发光二极管照明设备
    • JP2010097880A
    • 2010-04-30
    • JP2008269113
    • 2008-10-17
    • Toshiba Lighting & Technology Corp東芝ライテック株式会社
    • KAMATA MASAHIKOOSAKI HAJIMEOTAKE HIROKAZUSHIRATA NOBUYAHIRAMATSU TAKUROHIRAOKA TOSHIYUKI
    • H05B37/02H02M3/155
    • Y02B20/14
    • PROBLEM TO BE SOLVED: To provide a light-emitting diode lighting device capable of further reducing a power loss of an impedance means serially connected with a switching element of a step-down chopper and excellent in temperature characteristics and having little variations in an output current. SOLUTION: The light-emitting diode lighting device is provided with a step-down chopper DC equipped with a first circuit A serially including a switching element Q1, an impedance means Z1 and a first inductor L1, a second circuit B serially including the first inductor and a diode D1, a self-excitation type driving signal generation circuit DSG equipped with a second inductor L2 magnetically coupled with the first inductor and impressing an induced voltage on a controlling terminal of the switching element to maintain the switching element in an On state, and a turn-off circuit TOF provided with a comparing means which, after detecting a voltage of the impedance means, outputs when the detected voltage exceeds a reference value, and a switching element which is turned on by the output of the comparing means and turns off the switching element by short-circuiting an output terminal of the self-excitation driving signal generation circuit. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供一种发光二极管照明装置,其能够进一步降低与降压斩波器的开关元件串联连接的阻抗装置的功率损耗,并且具有优异的温度特性,并且几乎没有变化 输出电流。 解决方案:发光二极管照明装置设置有一个降压斩波器DC,该降压斩波器DC配备有串联包括开关元件Q1的第一电路A,阻抗装置Z1和第一电感器L1,第二电路B串联地包括 第一电感器和二极管D1,配备有与第一电感器磁耦合的第二电感器L2的自激式驱动信号产生电路DSG,并且在开关元件的控制端子上施加感应电压,以将开关元件保持在 并且具有比较装置的关断电路TOF和在检测到的电压超过基准值时检测到阻抗装置的电压后输出的开关电路TOF和通过比较的输出导通的开关元件 通过使自激驱动信号发生电路的输出端短路来代替并切断开关元件。 版权所有(C)2010,JPO&INPIT
    • 52. 发明专利
    • Power supply and luminaire
    • 电源和灯泡
    • JP2010093874A
    • 2010-04-22
    • JP2008258607
    • 2008-10-03
    • Toshiba Lighting & Technology Corp東芝ライテック株式会社
    • TERASAKA HIROSHIHIRAMATSU TAKURONISHIIE MICHIHIKOOTAKE HIROKAZU
    • H02M3/28H01L33/00
    • PROBLEM TO BE SOLVED: To provide a power supply, which supplies proper power and ensure stable operation, and to provide a luminaire. SOLUTION: The power supply includes a constant current signal generator 22, which generates a constant current control signal, based on a current flowing to a light emitting diode 18, and a constant voltage control signal generator 24, which generates a constant voltage control signal, based on a voltage applied to the light emitting diode 18. Usually, it makes a constant current control to a light emitting diode 18, based on a constant current control signal generated in a constant current control signal generator 22, and when the voltage applied to the light emitting diode 18 reaches a specified value by load abnormality, it makes a constant voltage control to the light emitting diode 18, based on a constant voltage control signal generated in a constant voltage control signal generator 24 from this point of time. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供提供适当电力并确保稳定运行的电源,并提供照明设备。 解决方案:电源包括恒定电流信号发生器22,其基于流向发光二极管18的电流产生恒定电流控制信号;以及恒压控制信号发生器24,其产生恒定电压 基于施加到发光二极管18的电压的控制信号。通常,基于在恒定电流控制信号发生器22中产生的恒定电流控制信号,对发光二极管18进行恒定电流控制,并且当 施加到发光二极管18的电压通过负载异常而达到规定值,基于从该时间点在恒压控制信号发生器24中产生的恒定电压控制信号,对发光二极管18进行恒定电压控制 。 版权所有(C)2010,JPO&INPIT
    • 54. 发明专利
    • Led lighting device and luminaire
    • LED照明设备和灯具
    • JP2010086745A
    • 2010-04-15
    • JP2008253348
    • 2008-09-30
    • Toshiba Lighting & Technology Corp東芝ライテック株式会社
    • NISHIIE MICHIHIKOOTAKE HIROKAZUTERASAKA HIROSHIHIRAMATSU TAKURO
    • H05B37/02H01L33/00
    • PROBLEM TO BE SOLVED: To provide an LED lighting device preventing breakage of an LED even if an airraid high voltage for a pressure proof test is applied and provide a luminaire with the LED lighting device. SOLUTION: The LED lighting device 1 includes a DC power supply circuit 2, a DC-DC conversion circuit 3 having a switching element Q1 and capacitors 10, 11 for connection, and converting an output voltage of the DC power supply circuit 2 to a predetermined DC voltage by an on/off operation of the switching element Q1 to output it, and a light emitting diode 5 connected between the outputs of the DC-DC conversion circuit 3 and provided in an housing part 6A to be grounded. When the airraid voltage value of an external voltage is En(V), an overvoltage resistance value of the light emitting diode 5 is Ed(V), an impedance value of the capacitors 10, 11 for connection is Zc(Ω), an impedance value of stray capacitance between the light-emitting diode 5 and the ground (E) is Zcy (Ω), a relation formula of En×Zcy/(Zc+Zcy)≤Ed is satisfied. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:即使应用用于耐压试验的防空气高电压并且提供LED照明装置的照明器,也提供防止LED损坏的LED照明装置。 解决方案:LED照明装置1包括直流电源电路2,具有开关元件Q1的DC-DC转换电路3和用于连接的电容器10,11,并且将直流电源电路2的输出电压 通过开关元件Q1的导通/截止操作将其输出到预定的DC电压以输出;以及发光二极管5,其连接在DC-DC转换电路3的输出端之间,并设置在壳体部6A中以进行接地。 当外部电压的防风电压值为En(V)时,发光二极管5的过电压值为Ed(V),连接用电容器10,11的阻抗值为Zc(Ω),阻抗 发光二极管5与地(E)之间的杂散电容值为Zcy(Ω),满足En×Zcy /(Zc + Zcy)≤Ed的关系式。 版权所有(C)2010,JPO&INPIT
    • 55. 发明专利
    • Light-emitting diode lighting device
    • 发光二极管照明设备
    • JP2010040400A
    • 2010-02-18
    • JP2008203609
    • 2008-08-06
    • Toshiba Lighting & Technology Corp東芝ライテック株式会社
    • OTAKE HIROKAZUHIRAMATSU TAKUROTERASAKA HIROSHINISHIIE MICHIHIKO
    • H05B37/02H01L33/00
    • PROBLEM TO BE SOLVED: To provide a light-emitting diode lighting device improved so that flickers of the light-emitting diode do not occur, even when the load becomes very light-weight by deepened dimming.
      SOLUTION: The light-emitting diode lighting device includes a rectification direct-current power supply RDC; a power factor-improvement circuit PFI which is constituted to have a boosting chopper as the body and of which the input end is connected to the rectification direct-current power supply; a direct-current converter DCC of which the input end is connected to the output end of the power factor improvement circuit; a light-emitting diode LED which is connected to the output end of the direct-current converter and lighted; a dimming signal output means DSG; and a control means CC which controls at least one output of the direct-current converter and the boost chopper of the power factor improvement circuit, corresponding to the dimming signal output from the dimming signal output means, stops operation of the power factor improvement circuit when light output of the light-emitting diode is reduced to a prescribed level, and controls so that output of the rectification direct-current power supply is directly supplied to the direct-current converter.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供改善发光二极管照明装置,使得即使当通过加深的调光变得非常轻的重量时,也不会发生发光二极管的闪烁。

      解决方案:发光二极管照明装置包括整流直流电源RDC; 功率因数提高电路PFI,其被构造为具有作为本体的升压斩波器,并且其输入端连接到整流直流电源; 直流电流转换器DCC,其输入端连接到功率因数改善电路的输出端; 连接到直流变换器的输出端的点亮的发光二极管LED; 调光信号输出装置DSG; 以及控制装置CC,其控制对应于从调光信号输出装置输出的调光信号的功率因数改善电路的直流变换器和升压斩波器的至少一个输出,停止功率因数改善电路的操作,当功率因数改善电路 将发光二极管的光输出降低到规定的电平,进行控制,使直流电源的整流直接供给直流电流。 版权所有(C)2010,JPO&INPIT

    • 56. 发明专利
    • Luminaire
    • LUMINAIRE
    • JP2009295449A
    • 2009-12-17
    • JP2008148573
    • 2008-06-05
    • Toshiba Lighting & Technology Corp東芝ライテック株式会社
    • TERASAKA HIROSHIHIRAMATSU TAKURONISHIIE MICHIHIKOOTAKE HIROKAZUSHIMIZU KEIICHIHIRAOKA TOSHIYUKI
    • H05B37/02
    • Y02B20/42
    • PROBLEM TO BE SOLVED: To provide a luminaire, capable of ensuring stable operations and improving the workability in setting thereof.
      SOLUTION: The luminaire comprises a device body 1; a power supply unit 21 for generating DC output; a light emitting diode module 5 in which a plurality of light emitting diode groups composed of a plurality of light emitting diodes is connected in parallel to each other; and a constant current circuit 22 for controlling each light emitting diode group to carry the same current by the DC output of the power supply unit 21. The constant current circuit 22 is disposed separately from the power source unit 21 on a surface of a top plate 1a constituting a part of a casing of the device body 1.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供能够确保稳定操作并提高其设置中的可操作性的照明器具。 解决方案:灯具包括器件本体1; 用于产生DC输出的电源单元21; 发光二极管模块5,其中由多个发光二极管组成的多个发光二极管组彼此并联连接; 以及恒流电路22,用于通过电源单元21的DC输出控制每个发光二极管组以承载相同的电流。恒流电路22与电源单元21分开设置在顶板的表面上 1a构成装置主体1的壳体的一部分。版权所有(C)2010,JPO&INPIT
    • 57. 发明专利
    • Power supply unit and luminaire
    • 电源单元和灯管
    • JP2009232623A
    • 2009-10-08
    • JP2008076835
    • 2008-03-24
    • Toshiba Lighting & Technology Corp東芝ライテック株式会社
    • OTAKE HIROKAZUNISHIIE MICHIHIKOHIRAMATSU TAKUROSHIMIZU KEIICHI
    • H02M3/28H05B37/02
    • H05B37/02H02M3/33507H02M2001/0025H05B33/0803H05B33/0815H05B33/0848Y02B20/347
    • PROBLEM TO BE SOLVED: To provide a power supply unit and a luminaire, capable of achieving stable dimming control.
      SOLUTION: Depending on the dimming depths k1, k2 to k7 of a dimming signal k, the power supply unit prepares a reference signal Vref1 varying between a signal value equivalent to the maximum current in full light and a signal value equivalent to the minimum current when a dimming depth is the deepest and a reference signal Vref2 varying between a signal value equivalent to the load voltage equivalent to the maximum current in full light and a signal value equivalent to the minimum current when the dimming depth is the deepest. In a region approximate to full light having a shallow dimming depth, the power supply unit selects the reference signal Vref1 to control light-emitting diodes 19-21 in constant current in a current control mode, and in a region where the dimming depth is deep, the power supply unit selects the reference signal Vref2 to control the light-emitting diodes 19-21 in constant current in the voltage control mode.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供能够实现稳定的调光控制的电源单元和照明器。 解决方案:根据调光信号k的调光深度k1,k2至k7,电源单元准备参考信号Vref1,该参考信号Vref1在等于全光中的最大电流的信号值和等于 当调光深度最深时的最小电流和参考信号Vref2在等效于与全光中的最大电流相当的负载电压的信号值之间变化,以及当调光深度最深时等于最小电流的信号值。 在接近于具有浅调光深度的全光的区域中,电源单元选择参考信号Vref1以在电流控制模式中以恒定电流控制发光二极管19-21,并且在调光深度为深的区域 电源单元在电压控制模式中选择参考信号Vref2以控制恒定电流的发光二极管19-21。 版权所有(C)2010,JPO&INPIT
    • 59. 发明专利
    • Direct current power source apparatus
    • 直流电源设备
    • JP2008278735A
    • 2008-11-13
    • JP2007292354
    • 2007-11-09
    • Toshiba Lighting & Technology Corp東芝ライテック株式会社
    • HIRAMATSU TAKURONISHIIE MICHIHIKOOTAKE HIROKAZUKUMAGAI MASATOSHI
    • H02M3/28
    • PROBLEM TO BE SOLVED: To provide a direct current power source apparatus which controls an output including a transient voltage and obtains a stable operation. SOLUTION: The apparatus supplies a direct current to a load 43 by on-off-driving a flyback transformer 38 by an IPD 39. When a smoothing capacitor 41 to smooth the output of the flyback transformer 38 reduces an electrostatic capacity by a characteristic time-dependent change and becomes an open mode by a dry-up, for the overvoltage applied to the load 43, the apparatus turns a Zener diode 47 to be connected in parallel to the load 43 on, controls an operation of a transistor 50 to control the IPD 39 and controls an off-term of the IPD 39. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种直流电源装置,其控制包括瞬态电压的输出并获得稳定的操作。 解决方案:该设备通过IPD 39对反激式变压器38进行开 - 关驱动来向负载43提供直流电。当平滑电容器41平滑回扫变压器38的输出时,通过一个 特性时间依赖的变化,并且通过干燥成为开放模式,对于施加到负载43的过电压,该装置使齐纳二极管47并联连接到负载43,控制晶体管50的操作 控制IPD 39并控制IPD 39的离职。版权所有(C)2009年,JPO和INPIT