公开(公告)号：US6075715A

公开(公告)日：2000-06-13

申请号：US42555

申请日：1998-03-17

申请人： Minoru Maehara ,  Masanori Mishima ,  Naoki Onishi ,  Yoshinobu Murakami

发明人： Minoru Maehara ,  Masanori Mishima ,  Naoki Onishi ,  Yoshinobu Murakami

IPC分类号： H02M1/00 ,  H02M1/42 ,  H05B41/28 ,  H05B41/282 ,  H02M5/458 ,  H02M7/537

CPC分类号： H02M1/425 ,  H05B41/28 ,  H05B41/2825 ,  Y02B70/126

摘要： A power source device is so constituted that a first capacitor connected across DC output terminals of a rectifier is made to be of a relatively small capacity, a resonance circuit is formed by a primary winding of a transformer and a second capacitor, first and second switching elements connected in parallel to a smoothing capacitor are alternately made ON and OFF to cause currents to flow, a both-end voltage of the first capacitor drops to be substantially close to zero volt even in a period in which a source voltage of an AC power source becomes substantially zero, and an input current can be drawn in smoothly over the entire range of a cycle of the source voltage of the AC power source, whereby higher harmonics of the input current can be reduced, a pulsation of the current flowing to a load can be minimized, and required number of parts for the power source device is reduced to be able to realize circuit simplification and cost reduction.

摘要翻译： 电源装置的结构使得在整流器的直流输出端子之间连接的第一电容器具有相对较小的容量，谐振电路由变压器的初级绕组和第二电容器形成，第一和第二开关 与平滑电容器并联连接的元件交替地导通和截止以使电流流动，即使在交流电源的源极电压的时段中，第一电容器的两端电压也基本接近零伏 源极基本上为零，并且可以在AC电源的源极电压的整个周期的整个范围内平滑地绘制输入电流，由此可以降低输入电流的高次谐波，流向 可以减少负载，并且减少用于电源装置的所需数量的部件以能够实现电路简化和降低成本。

公开(公告)号：US07015655B2

公开(公告)日：2006-03-21

申请号：US10478506

申请日：2002-05-20

申请人： Takeshi Kamoi ,  Minoru Maehara ,  Masanori Mishima ,  Takahiro Abe

发明人： Takeshi Kamoi ,  Minoru Maehara ,  Masanori Mishima ,  Takahiro Abe

IPC分类号： G05F1/00

CPC分类号： H05B41/3928 ,  H05B41/2883 ,  H05B41/2888 ,  H05B41/3922 ,  Y02B20/202 ,  Y10S315/05

摘要： An electronic ballast for a discharge lamp is capable of dimming the lamp over a wide range, yet minimizing a color temperature deviation. The ballast includes a power converter which converts an input DC voltage into a lamp power for driving the lamp, and a dimmer providing a dimmer command of a varying dimming ratio in order to reduce the lamp power to a greater extent as the dimming ratio decreases. A controller controls the power converter to supply a high frequency AC current to the lamp in response to the dimming ratio decreasing to a predetermined level, and to reduce an RMS value of the high frequency AC current as the dimming ratio decreases past the predetermined level.

摘要翻译： 用于放电灯的电子镇流器能够在宽范围内对灯进行调光，同时最小化色温偏差。 镇流器包括功率转换器，其将输入DC电压转换为用于驱动灯的灯功率，以及调光器，其提供变化的调光比的调光器命令，以便在调光比减小时将灯功率降低到更大的程度。 控制器控制功率转换器响应于调光比降低到预定电平而向灯提供高频AC电流，并且随着调光比降低超过预定电平，降低高频AC电流的RMS值。

公开(公告)号：US5764496A

公开(公告)日：1998-06-09

申请号：US799187

申请日：1997-02-12

申请人： Katsumi Sato ,  Masanori Mishima ,  Minoru Maehara ,  Kenichi Yuki

发明人： Katsumi Sato ,  Masanori Mishima ,  Minoru Maehara ,  Kenichi Yuki

IPC分类号： H02M1/00 ,  H02M1/42 ,  H05B41/28 ,  H02M5/458

CPC分类号： H02M1/425 ,  H05B41/28 ,  Y02B70/126

摘要： An inverter device includes a rectifier for rectifying an AC voltage produced by an A.C. power source; an inverter circuit receiving a first DC output voltage and outputting a high frequency voltage for operating a load circuit; and auxiliary power supply means including a smoothing capacitor connected across the rectifier for smoothing current supplied to the load circuit, wherein the inverter circuit includes DC/DC converter receiving the first DC output voltage, for outputting a second DC output voltage less than a peak value of the first DC output voltage, and DC/AC converter receiving the second DC output voltage for outputting the high frequency voltage, the DC/DC converter and DC/AC converter sharing a common switching element, the DC/AC converter receiving a DC voltage less than the voltage produced by the A.C. power source.

摘要翻译： 逆变器装置包括整流器，用于整流由交流电源产生的交流电压; 接收第一直流输出电压并输出用于操作负载电路的高频电压的逆变器电路; 以及辅助电源装置，包括连接在整流器两端的用于平滑提供给负载电路的电流的平滑电容器，其中逆变器电路包括接收第一DC输出电压的DC / DC转换器，用于输出小于峰值的第二DC输出电压 的DC / AC转换器，DC / AC转换器接收用于输出高频电压的第二DC输出电压，DC / DC转换器和DC / AC转换器共享公共开关元件，DC / AC转换器接收DC电压 小于交流电源产生的电压。

公开(公告)号：US07129650B2

公开(公告)日：2006-10-31

申请号：US10526446

申请日：2004-03-31

申请人： Naoki Komatsu ,  Masanori Mishima ,  Minoru Maehara ,  Satoru Nagata

发明人： Naoki Komatsu ,  Masanori Mishima ,  Minoru Maehara ,  Satoru Nagata

IPC分类号： G05F1/00

CPC分类号： H05B41/2888 ,  H05B41/2886 ,  H05B41/388 ,  Y02B20/202 ,  Y10S315/05 ,  Y10S315/07

摘要： A lighting apparatus of high intensity discharge lamp comprises a DC power source, a series connection of a first and a second transistors; a series connection of a first and a second capacitors connected in parallel with the series connection of the transistors; a series connection including at least an inductor and a discharge lamp connected between a connection point of the transistors and another connection point of the capacitors, and a control circuit for switching on and off of the transistors so as to supply electric power to the discharge lamp. A voltage of the first capacitor is set to be higher than that of the second capacitor corresponding to the capacitances of the first and second capacitors. Thus, the pulse height in negative or positive phase of the rectangular alternating voltage applied to the discharge lamp can be increased without increasing the output voltage from the DC power source.

摘要翻译： 高强度放电灯的照明装置包括直流电源，第一和第二晶体管的串联连接; 与晶体管的串联连接的第一和第二电容器的串联连接; 包括至少连接在晶体管的连接点和电容器的另一连接点之间的电感器和放电灯的串联连接，以及用于接通和关断晶体管的控制电路，以向放电灯提供电力 。 将第一电容器的电压设置为高于与第一和第二电容器的电容相对应的第二电容器的电压。 因此，可以在不增加来自直流电源的输出电压的情况下增加施加到放电灯的矩形交变电压的负相或正相中的脉冲高度。

公开(公告)号：US20050269963A1

公开(公告)日：2005-12-08

申请号：US10526446

申请日：2004-03-31

申请人： Naoki Komatsu ,  Masanori Mishima ,  Minoru Maehara ,  Satoru Nagata

发明人： Naoki Komatsu ,  Masanori Mishima ,  Minoru Maehara ,  Satoru Nagata

IPC分类号： H05B41/24 ,  H05B41/18 ,  H05B41/288 ,  H05B41/38 ,  H05B37/02 ,  H05B39/04

CPC分类号： H05B41/2888 ,  H05B41/2886 ,  H05B41/388 ,  Y02B20/202 ,  Y10S315/05 ,  Y10S315/07

摘要： A lighting apparatus of high intensity discharge lamp comprises a DC power source, a series connection of a first and a second transistors; a series connection of a first and a second capacitors connected in parallel with the series connection of the transistors; a series connection including at least an inductor and a discharge lamp connected between a connection point of the transistors and another connection point of the capacitors, and a control circuit for switching on and off of the transistors so as to supply electric power to the discharge lamp. A voltage of the first capacitor is set to be higher than that of the second capacitor corresponding to the capacitances of the first and second capacitors. Thus, the pulse height in negative or positive phase of the rectangular alternating voltage applied to the discharge lamp can be increased without increasing the output voltage from the DC power source.

摘要翻译： 高强度放电灯的照明装置包括直流电源，第一和第二晶体管的串联连接; 与晶体管的串联连接的第一和第二电容器的串联连接; 包括至少连接在晶体管的连接点和电容器的另一连接点之间的电感器和放电灯的串联连接，以及用于接通和关断晶体管的控制电路，以向放电灯提供电力 。 将第一电容器的电压设置为高于与第一和第二电容器的电容相对应的第二电容器的电压。 因此，可以在不增加来自直流电源的输出电压的情况下增加施加到放电灯的矩形交变电压的负相或正相中的脉冲高度。

公开(公告)号：US08421360B2

公开(公告)日：2013-04-16

申请号：US13071762

申请日：2011-03-25

申请人： Masanori Mishima ,  Hiroshi Kido ,  Shohei Yamamoto ,  Masanao Okawa ,  Hirofumi Konishi ,  Katunobu Hamamoto

发明人： Masanori Mishima ,  Hiroshi Kido ,  Shohei Yamamoto ,  Masanao Okawa ,  Hirofumi Konishi ,  Katunobu Hamamoto

IPC分类号： H01J7/42

CPC分类号： H05B33/0848 ,  H05B33/08 ,  H05B33/0896 ,  Y02B20/32

摘要： An illumination load determination device includes an illumination load; a voltage applying unit for applying a voltage to the illumination load; a connection unit for connecting the illumination load and the voltage applying unit; a detection unit for detecting at least one of a current flowing through the illumination load and a voltage across the illumination load when the voltage is applied to the illumination load from the voltage applying unit via the connection unit; and a determination unit for determining a type of the illumination load based on an output from the detection unit. The determination unit has a comparator for comparing a detection value detected by the detection unit to a predetermined threshold, and determines that the illumination load has a capacitance based on an output of the comparator. The voltage applying unit lights on the determined illumination load with a rated driving voltage.

摘要翻译： 照明负载确定装置包括照明负载; 电压施加单元，用于向照明负载施加电压; 用于连接照明负载和电压施加单元的连接单元; 检测单元，用于当电压经由连接单元从电压施加单元施加到照明负载时，检测流过照明负载的电流和照明负载两端的电压中的至少一个; 以及确定单元，用于基于来自检测单元的输出来确定照明负载的类型。 确定单元具有用于将由检测单元检测的检测值与预定阈值进行比较的比较器，并且基于比较器的输出确定照明负载具有电容。 电压施加单元以额定驱动电压对确定的照明负载点亮。

公开(公告)号：US08115421B2

公开(公告)日：2012-02-14

申请号：US12523618

申请日：2008-02-15

申请人： Masanori Mishima ,  Masahiro Naruo

发明人： Masanori Mishima ,  Masahiro Naruo

IPC分类号： H05B37/02

CPC分类号： H05B41/3921 ,  G02F1/133604 ,  H05B41/295

摘要： A burst dimming signal to determine a ratio between an ON period and an OFF period is inputted. In the OFF period of the burst dimming signal, a lamp current Ila is stopped from flowing to a discharge lamp FL, while a lamp voltage Vla is applied to both ends of the discharge lamp FL, and preheating currents If1 and If2 are supplied to hot cathodes of the discharge lamp FL. In the ON period of the burst dimming signal, the discharge lamp FL is electrically broken down and is supplied with the lamp current Ila.

摘要翻译： 输入用于确定ON周期和OFF周期之间的比率的脉冲调制信号。 在脉冲调光信号的OFF周期中，灯电流Ila停止流向放电灯FL，同时将灯电压Vla施加到放电灯FL的两端，并将预热电流If1和If2提供给热 放电灯FL的阴极。 在脉冲串调光信号的导通期间，放电灯FL被电分解并被供应灯电流Ila。

公开(公告)号：US08686667B2

公开(公告)日：2014-04-01

申请号：US13013999

申请日：2011-01-26

申请人： Masanori Mishima ,  Katunobu Hamamoto

发明人： Masanori Mishima ,  Katunobu Hamamoto

IPC分类号： H05B37/02 ,  H05B39/04 ,  H05B41/36 ,  G05F1/00 ,  H05B41/16 ,  H05B41/24

CPC分类号： H05B33/0815 ,  H02M1/4225 ,  H02M3/1588 ,  H02M2001/008 ,  Y02B20/346 ,  Y02B70/126 ,  Y02B70/1466

摘要： A lighting power source provides AC or DC power as needed to power an electric light source. A first switching element and a diode are coupled in series across output ends of a DC power source, with a second switching element coupled across the diode. An inductor forms an output loop with the diode. A driving capacitor has a first end coupled to a node between the first switching element and the diode. A charging power source is coupled to a second end of the driving capacitor and supplied with power from the DC power source. During a charging operation, a control circuit charges the driving capacitor by turning on the second switching element while maintaining the first switching element in an OFF state. During a normal operation which follows the charging operation the control circuit repeatedly turns on/off the first switching element while maintaining the second switching element in the OFF state.

摘要翻译： 照明电源根据需要提供AC或DC电力来为电光源供电。 第一开关元件和二极管串联连接在直流电源的输出端上，第二开关元件耦合在二极管两端。 电感器与二极管形成输出回路。 驱动电容器具有耦合到第一开关元件和二极管之间的节点的第一端。 充电电源耦合到驱动电容器的第二端并从DC电源供电。 在充电操作期间，控制电路通过接通第二开关元件同时将第一开关元件保持在断开状态来对驱动电容器充电。 在充电操作之后的正常操作期间，控制电路在将第二开关元件保持在OFF状态的同时，重复接通/断开第一开关元件。

公开(公告)号：US20110193495A1

公开(公告)日：2011-08-11

申请号：US13013999

申请日：2011-01-26

申请人： Masanori Mishima ,  Katunobu Hamamoto

发明人： Masanori Mishima ,  Katunobu Hamamoto

IPC分类号： H05B37/02

CPC分类号： H05B33/0815 ,  H02M1/4225 ,  H02M3/1588 ,  H02M2001/008 ,  Y02B20/346 ,  Y02B70/126 ,  Y02B70/1466

摘要： A lighting power source provides AC or DC power as needed to power an electric light source. A first switching element and a diode are coupled in series across output ends of a DC power source, with a second switching element coupled across the diode. An inductor forms an output loop with the diode. A driving capacitor has a first end coupled to a node between the first switching element and the diode. A charging power source is coupled to a second end of the driving capacitor and supplied with power from the DC power source. During a charging operation, a control circuit charges the driving capacitor by turning on the second switching element while maintaining the first switching element in an OFF state. During a normal operation which follows the charging operation the control circuit repeatedly turns on/off the first switching element while maintaining the second switching element in the OFF state.

摘要翻译： 照明电源根据需要提供AC或DC电力来为电光源供电。 第一开关元件和二极管串联连接在直流电源的输出端上，第二开关元件耦合在二极管两端。 电感器与二极管形成输出回路。 驱动电容器具有耦合到第一开关元件和二极管之间的节点的第一端。 充电电源耦合到驱动电容器的第二端并从DC电源供电。 在充电操作期间，控制电路通过接通第二开关元件同时将第一开关元件保持在断开状态来对驱动电容器充电。 在充电操作之后的正常操作期间，控制电路在将第二开关元件保持在OFF状态的同时，重复接通/断开第一开关元件。

公开(公告)号：US20100039581A1

公开(公告)日：2010-02-18

申请号：US12523618

申请日：2008-02-15

申请人： Masanori Mishima ,  Masahiro Naruo

发明人： Masanori Mishima ,  Masahiro Naruo

IPC分类号： H05B41/36 ,  G02F1/1335

CPC分类号： H05B41/3921 ,  G02F1/133604 ,  H05B41/295

摘要： A burst dimming signal to determine a ratio between an ON period and an OFF period is inputted. In the OFF period of the burst dimming signal, a lamp current Ila is stopped from flowing to a discharge lamp FL, while a lamp voltage Vla is applied to both ends of the discharge lamp FL, and preheating currents If1 and If2 are supplied to hot cathodes of the discharge lamp FL. In the ON period of the burst dimming signal, the discharge lamp FL is electrically broken down and is supplied with the lamp current Ila.

摘要翻译： 输入用于确定ON周期和OFF周期之间的比率的突发调光信号。 在脉冲调光信号的OFF周期中，灯电流Ila停止流向放电灯FL，同时将灯电压Vla施加到放电灯FL的两端，并将预热电流If1和If2提供给热 放电灯FL的阴极。 在脉冲串调光信号的导通期间，放电灯FL被电分解并被供应灯电流Ila。