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    • 2. 发明申请
    • METHOD AND DRIVING UNIT FOR DRIVING A GAS DISCHARGE LAMP
    • 用于驱动气体放电灯的方法和驱动单元
    • US20090051300A1
    • 2009-02-26
    • US12279855
    • 2007-02-09
    • Carsten DeppeHendrik Anton Van EsveldTobias Georg Tolle
    • Carsten DeppeHendrik Anton Van EsveldTobias Georg Tolle
    • H05B41/36
    • H05B41/2882H05B41/2926H05B41/384H05B41/3928Y02B20/202Y02B20/206
    • This invention describes a method for driving a gas discharge lamp (1), whereby an alternating voltage (U) is applied to the gas discharge lamp (1), the alternating voltage (U) having a first polarity during a first time interval (tf1, ts1) and a second polarity opposite to the first polarity during a second time interval (tf2, ts2). In this method, the first time interval (tf1) and the second time interval (tf2) are repeated alternately during a first operation mode. During a second operation mode, the electrical power (P) being provided to the gas discharge lamp (1) is smaller compared to the first operation mode, and the first time interval (ts1) and the second time interval (ts2) are repeated alternately, whereby in this second operation mode the duration of the first time interval (ts1) is at least a multiple of the duration of the second time interval (ts2). Furthermore, the invention describes an appropriate driving unit (4) for driving a gas discharge lamp (1), and an image rendering system, particularly a projector system, comprising a gas discharge lamp (1) and such a driving unit (4).
    • 本发明描述了一种用于驱动气体放电灯(1)的方法,由此在气体放电灯(1)中施加交流电压(U),在第一时间间隔(tf1)中具有第一极性的交流电压(U) ,ts1)和在第二时间间隔(tf2,ts2)期间与第一极性相反的第二极性。 在该方法中,在第一操作模式期间交替重复第一时间间隔(tf1)和第二时间间隔(tf2)。 在第二操作模式期间,与第一操作模式相比,提供给气体放电灯(1)的电功率(P)较小,并且交替地重复第一时间间隔(ts1)和第二时间间隔(ts2) ,由此在该第二操作模式中,第一时间间隔(ts1)的持续时间是第二时间间隔(ts2)的持续时间的至少一倍。 此外,本发明描述了用于驱动气体放电灯(1)的合适的驱动单元(4),以及包括气体放电灯(1)和这种驱动单元(4)的图像渲染系统,特别是投影仪系统。
    • 4. 发明授权
    • Method of shutting down a high pressure discharge lamp and driving unit for driving a high pressure discharge lamp
    • 关闭高压放电灯和用于驱动高压放电灯的驱动单元的方法
    • US08008872B2
    • 2011-08-30
    • US12300477
    • 2007-04-25
    • Tobias Georg TolleLudo Valere Maurice SchreelCarsten Deppe
    • Tobias Georg TolleLudo Valere Maurice SchreelCarsten Deppe
    • H05B41/36H05B41/24
    • H05B41/2928H04N9/3144H04N9/3155H05B41/384Y02B20/206
    • The invention describes a method of shutting down a high pressure discharge lamp (1) in which a pair of electrodes (2) is disposed in an arc tube (3), which method comprises reducing, upon receipt of a shut-down request (SR), the lamp power (P) towards a reduced power level (PR) required to sustain a long-term arc discharge between the electrodes (2), and driving the lamp (1) towards the reduced power level (PR) for a reduced power duration before completely shutting down the lamp power (P), whereby, prior to reducing the lamp power (P) towards the reduced power level (PR), the lamp power (P) is reduced to an undershoot power level (Pu), which undershoot power level (Pu) is lower than the reduced power level (PR) required to sustain a long-term arc discharge between the electrodes (2), and the lamp is driven at this undershoot power level (Pu) for an undershoot power duration (tu) before increasing the lamp power (P) again to approach the reduced power level (PR). Moreover the invention describes an appropriate driving unit (4) for driving a high pressure discharge lamp (1) and an image rendering system (40), particularly a projector system, comprising such a driving unit (4).
    • 本发明描述了一种关闭其中一对电极(2)设置在电弧管(3)中的高压放电灯(1)的方法,该方法包括在接收到关闭请求(SR ),朝向维持电极(2)之间的长期电弧放电所需的降低功率电平(PR)的灯功率(P)),并且朝着降低的功率电平(PR)驱动灯(1)以减少 在完全关闭灯泡功率(P)之前的功率持续时间,由此,在将灯功率(P)降低到降低功率水平(PR)之前,灯功率(P)减小到下冲功率水平(Pu) 其功率水平(Pu)低于维持电极(2)之间的长期电弧放电所需的降低的功率电平(PR),并且灯以该下冲功率电平(Pu)被驱动用于下冲功率 在再次提高灯功率(P)以接近降低功率电平(PR)之前的持续时间(tu)。 此外,本发明描述了用于驱动高压放电灯(1)和图像渲染系统(40)的合适的驱动单元(4),特别是包括这种驱动单元(4)的投影仪系统。
    • 5. 发明申请
    • METHOD OF SHUTTING DOWN A HIGH PRESSURE DISCHARGE LAMP AND DRIVING UNIT FOR DRIVING A HIGH PRESSURE DISCHARGE LAMP
    • 切断高压放电灯和驱动单元的方法,用于驱动高压放电灯
    • US20090261756A1
    • 2009-10-22
    • US12300477
    • 2007-04-25
    • Tobias Georg TolleLudo Valere Maurice SchreelCarsten Deppe
    • Tobias Georg TolleLudo Valere Maurice SchreelCarsten Deppe
    • H05B41/36
    • H05B41/2928H04N9/3144H04N9/3155H05B41/384Y02B20/206
    • The invention describes a method of shutting down a high pressure discharge lamp (1) in which a pair of electrodes (2) is disposed in an arc tube (3), which method comprises reducing, upon receipt of a shut-down request (SR), the lamp power (P) towards a reduced power level (PR) required to sustain a long-term arc discharge between the electrodes (2), and driving the lamp (1) towards the reduced power level (PR) for a reduced power duration before completely shutting down the lamp power (P), whereby, prior to reducing the lamp power (P) towards the reduced power level (PR), the lamp power (P) is reduced to an undershoot power level (Pu), which undershoot power level (Pu) is lower than the reduced power level (PR) required to sustain a long-term arc discharge between the electrodes (2), and the lamp is driven at this undershoot power level (Pu) for an undershoot power duration (tu) before increasing the lamp power (P) again to approach the reduced power level (PR). Moreover the invention describes an appropriate driving unit (4) for driving a high pressure discharge lamp (1) and an image rendering system (40), particularly a projector system, comprising such a driving unit (4).
    • 本发明描述了一种关闭其中一对电极(2)设置在电弧管(3)中的高压放电灯(1)的方法,该方法包括在接收到关闭请求(SR ),朝向维持电极(2)之间的长期电弧放电所需的降低功率电平(PR)的灯功率(P)),并且朝着降低的功率电平(PR)驱动灯(1)以减少 在完全关闭灯泡功率(P)之前的功率持续时间,由此,在将灯功率(P)降低到降低功率水平(PR)之前,灯功率(P)减小到下冲功率水平(Pu) 其功率水平(Pu)低于维持电极(2)之间的长期电弧放电所需的降低的功率电平(PR),并且灯以该下冲功率电平(Pu)被驱动用于下冲功率 在再次提高灯功率(P)以接近降低功率电平(PR)之前的持续时间(tu)。 此外,本发明描述了用于驱动高压放电灯(1)和图像渲染系统(40)的合适的驱动单元(4),特别是包括这种驱动单元(4)的投影仪系统。
    • 8. 发明授权
    • System, an inductive power device, an energizable load and a method for enabling a wireless power transfer
    • 系统,感应功率器件,可激励负载以及用于实现无线功率传输的方法
    • US07932798B2
    • 2011-04-26
    • US11908409
    • 2006-03-09
    • Tobias Georg TolleEberhard Waffenschmidt
    • Tobias Georg TolleEberhard Waffenschmidt
    • H01F21/04
    • H01F38/14H01F7/0263H01F27/06
    • The system 1 according to the invention comprises an energizable load 2 and an inductive powering device 9 and a permanent magnet 8 arranged on the conductor 4 for interacting with the further conductor 9a for aligning the inductor winding 6 with respect to the further inductor winding 9b. The energizable load 2 for enabling the inductive power receipt comprises a wiring 6 which cooperates with the conductor 4 for forming a secondary wiring of the transformer. In order to form the system for inductive energy transfer, the energizable load 2 is to be placed on the inductive powering device 9, whereby the surface 2a will contact the surface 7. The inductive powering device 9 comprises a further magnetizable conductor 9a provided with a further winding 9b thus forming a primary wiring of the split-core electric transformer. When the winding 6 is brought in the vicinity of the further winding 9b, the magnetic force acting on the further magnetizable conductor 9a serves for an instant proper mutual alignment of the winding 6 and further winding 9b. The invention further relates to a inductive powering device, an inductive load and a method for enabling an inductive energy transfer to en energizable load.
    • 根据本发明的系统1包括可激励负载2和感应供电装置9以及布置在导体4上的永磁体8,用于与另外的导体9a相互作用,以使电感器绕组6相对于另外的电感器绕组9b对准。 用于启用感应功率接收的可激励负载2包括布线6,其与导体4配合,用于形成变压器的次级布线。 为了形成用于感应能量传递的系统,可激励负载2将被放置在感应供电装置9上,由此表面2a将接触表面7.感应供电装置9包括另外的可磁化导体9a, 进一步卷绕9b,从而形成分裂型电力变压器的主要布线。 当绕组6被带到另外的绕组9b附近时,作用在另一个可磁化导体9a上的磁力用于绕组6和另外的绕组9b的即时适当相互对准。 本发明还涉及感应供电装置,感性负载和用于使感应能量传递到可激励负载的方法。