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    • 1. 发明申请
    • LAMP END OF LIFE DETECTION CIRCUIT
    • 生命检测电路的灯泡末端
    • WO2011085275A3
    • 2011-10-20
    • PCT/US2011020611
    • 2011-01-07
    • OSRAM SYLVANIA INCKUMAR NITINBAKRE SHASHANKBREUER CHRISTIAN
    • KUMAR NITINBAKRE SHASHANKBREUER CHRISTIAN
    • H05B41/298H05B41/46
    • H05B41/2855
    • A lamp driver circuit to selectively energize one or more lamps is provided. The inverter circuit has a transformer with primary and secondary windings to provide voltage to the lamps. A filter is connected to the primary winding to receive a primary winding signal representative of the voltage across the primary winding. The primary winding signal has a frequency spectrum and the filter detects a particular characteristic of the frequency spectrum that is indicative of an end of life (EOL) condition of the one or more lamps. A control circuit is connected to the inverter circuit and to the filter. The control circuit is configured to discontinue energizing of the one or more lamps by the inverter circuit when the particular characteristic of the frequency spectrum of the primary winding signal is detected by the filter.
    • 提供了用于选择性地激励一个或多个灯的灯驱动器电路。 逆变器电路具有带有初级和次级绕组的变压器,以向灯提供电压。 滤波器连接到初级绕组以接收表示初级绕组两端的电压的初级绕组信号。 初级绕组信号具有频谱,并且滤波器检测指示一个或多个灯的寿命终止(EOL)状态的频谱的特定特性。 控制电路连接到逆变器电路和滤波器。 控制电路被配置为当通过滤波器检测到初级绕组信号的频谱的特定特性时,通过逆变器电路中断一个或多个灯的通电。
    • 7. 发明申请
    • AMALGAM TIP TEMPERATURE CONTROL FOR AN ELECTRODELESS LAMP
    • 用于无电极灯的AMALGAM提示温度控制
    • WO2013059024A1
    • 2013-04-25
    • PCT/US2012/059350
    • 2012-10-09
    • OSRAM SYLVANIA INC.KUMAR, NitinMARTIN, RobertBAKRE, Shashank
    • KUMAR, NitinMARTIN, RobertBAKRE, Shashank
    • H01J61/28H01J61/52H01J65/04
    • H01J65/048H01J61/28H01J61/523
    • A electrodeless lamp including a fluorescent discharge vessel (101), a tip (110), an amalgam (205), a lamp core (120), and a heater (H). The vessel contains a gas (111) having a partial vapor pressure and a fluorescent material. The tip has an inner end (104) engaging the vessel, and an opening in communication with the gas. The amalgam is positioned within the opening, in heat transfer relation with the tip. When the temperature of the amalgam decreases, mercury vapor in the gas condensates onto the amalgam, causing a decrease in the partial vapor pressure of the gas. The opposite occurs when the amalgam temperature increases. The lamp core generates a magnetic flux, causing an electrical discharge in the gas. The heater includes a positive temperature coefficient element (308) connected to a winding (305) of the lamp core. The heater is in heat transfer relation with the tip and heats the tip when the electrodeless lamp is in a dimming mode.
    • 一种无电极灯,包括荧光放电容器(101),尖端(110),汞齐(205),灯芯(120)和加热器(H)。 容器包含具有部分蒸气压的气体(111)和荧光材料。 尖端具有接合容器的内端(104)和与气体连通的开口。 汞齐位于开口内,与尖端的热传递关系。 当汞齐的温度降低时,气体中的汞蒸气冷凝到汞齐上,导致气体的部分蒸气压降低。 当汞合金温度升高时,会出现相反的情况。 灯芯产生磁通,引起气体中的放电。 加热器包括连接到灯芯的绕组(305)的正温度系数元件(308)。 当无电极灯处于调光模式时,加热器与尖端传热关系,并加热尖端。
    • 8. 发明申请
    • MULTIPLE STRIKE BALLAST FOR ELECTRODELESS LAMP
    • 用于无电极灯的多个撞击压路机
    • WO2012149561A3
    • 2013-03-14
    • PCT/US2012035868
    • 2012-04-30
    • OSRAM SYLVANIA INCKUMAR NITINBAKRE SHASHANKCHOUDHURY AYAN
    • KUMAR NITINBAKRE SHASHANKCHOUDHURY AYAN
    • H05B41/14
    • H05B41/2806Y02B20/22
    • A multi-strike ballast to ignite an electrodless lamp is disclosed, and includes an inverter circuit, an output voltage detection circuit (OVDC), and an inverter shutdown circuit. The inverter circuit, upon activation, sends an ignition pulse to the electrodeless lamp. The inverter circuit shut downs upon receiving a deactivation signal, and activates upon receiving an activation signal, triggering another ignition pulse. The OVDC detects an output voltage across the lamp. The inverter shutdown circuit includes a multi-strike diac and receives the detected output voltage. The multi-strike diac breaks upon the output voltage reaching a predetermined level. In response, a deactivation signal is sent to the inverter circuit. The multi-strike diac turns off upon the output voltage falling below the predetermined level. In response, an activation signal is sent to the inverter circuit, triggering a further ignition pulse. The process repeats, providing multiple ignition pulses to the lamp.
    • 公开了一种点燃无电极灯的多冲击镇流器,包括逆变器电路,输出电压检测电路(OVDC)和逆变器关断电路。 逆变器电路在启动时将点火脉冲发送到无电极灯。 逆变器电路在接收到去激活信号时关闭,并且在接收到激活信号时激活,触发另一个点火脉冲。 OVDC检测灯两端的输出电压。 逆变器关断电路包括多重触发diac并接收检测到的输出电压。 输出电压达到预定电平时,多重触发二极管断开。 作为响应,去激活信号被发送到逆变器电路。 输出电压下降到预定值以下时,多重触发diac将熄灭。 作为响应,激活信号被发送到逆变器电路,触发另外的点火脉冲。 该过程重复,向灯提供多个点火脉冲。
    • 9. 发明申请
    • LAMP END OF LIFE DETECTION CIRCUIT
    • 灯寿命终结检测电路
    • WO2011085275A2
    • 2011-07-14
    • PCT/US2011/020611
    • 2011-01-07
    • OSRAM SYLVANIA Inc.KUMAR, NitinBAKRE, ShashankBREUER, Christian
    • KUMAR, NitinBAKRE, ShashankBREUER, Christian
    • H05B41/298H05B41/46
    • H05B41/2855
    • A lamp driver circuit to selectively energize one or more lamps is provided. The inverter circuit has a transformer with primary and secondary windings to provide voltage to the lamps. A filter is connected to the primary winding to receive a primary winding signal representative of the voltage across the primary winding. The primary winding signal has a frequency spectrum and the filter detects a particular characteristic of the frequency spectrum that is indicative of an end of life (EOL) condition of the one or more lamps. A control circuit is connected to the inverter circuit and to the filter. The control circuit is configured to discontinue energizing of the one or more lamps by the inverter circuit when the particular characteristic of the frequency spectrum of the primary winding signal is detected by the filter.
    • 提供了一种用于选择性地激励一个或多个灯的灯驱动器电路。 逆变器电路具有带有初级和次级绕组的变压器以向灯提供电压。 滤波器连接到初级绕组以接收代表初级绕组两端电压的初级绕组信号。 初级绕组信号具有频谱,并且滤波器检测指示一个或多个灯的寿命结束(EOL)状况的频谱的特定特性。 控制电路连接到逆变器电路和滤波器。 控制电路被配置为当由滤波器检测到初级绕组信号的频谱的特定特性时,通过逆变器电路停止对一个或多个灯的激励。
    • 10. 发明申请
    • ANTIREFLECTIVE SILICA COATINGS BASED ON SOL-GEL TECHNIQUE
    • 基于SOL-GEL技术的抗反射硅胶涂层
    • WO2013019770A1
    • 2013-02-07
    • PCT/US2012/048932
    • 2012-07-31
    • INTERMOLECULAR, INC.KUMAR, NitinKALYANKAR, Nikhil, D.SUN, Zhi-Wen
    • KUMAR, NitinKALYANKAR, Nikhil, D.SUN, Zhi-Wen
    • B32B5/16
    • C09D183/04B05D5/06C03C17/009C03C2217/425C03C2217/732C03C2218/113C08L83/04C23C18/00
    • Methods and compositions for forming durable porous low refractive index coatings on substrates are provided. In one embodiment, a method of forming a porous coating on a substrate is provided. The method comprises coating a substrate with a sol-formulation comprising a silane-based binder, silica-based nanoparticles, and an inter-particle interaction modifier for regulating interactions between the silica-based nanoparticles and annealing the coated substrate. Porous coatings formed according to the embodiments described herein demonstrate good optical properties (e.g., a low refractive index) while maintaining good mechanical durability due to the presence of the inter-particle interaction modifier. The inter- particle interaction modifier increases the strength of the particle network countering capillary forces produced during drying to maintain the porosity structure.
    • 提供了在基板上形成耐久的多孔低折射率涂层的方法和组合物。 在一个实施方案中,提供了在基材上形成多孔涂层的方法。 该方法包括用包含硅烷基粘合剂,二氧化硅基纳米颗粒和颗粒间相互作用改性剂的溶胶制剂涂覆基材,以调节二氧化硅基纳米颗粒之间的相互作用并退火涂覆的基材。 根据本文所述的实施方案形成的多孔涂层由于存在颗粒间相互作用改性剂而保持良好的机械耐久性,表现出良好的光学性能(例如,低折射率)。 颗粒间相互作用调节剂增加了颗粒网络抵抗干燥期间产生的毛细管力的强度,以保持孔隙结构。