专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

11. 发明申请

US20070013321A1 Lighting control apparatus of lighting device for vehicle 有权
标题翻译：车辆照明装置照明控制装置
公开(公告)号：US20070013321A1
公开(公告)日：2007-01-18
申请号：US11484989
申请日：2006-07-11
申请人： Masayasu Ito , Fuminori Shiotsu , Takanori Namba
发明人： Masayasu Ito , Fuminori Shiotsu , Takanori Namba
IPC分类号： H05B41/24
CPC分类号： H05B33/089 , H05B33/0815 , H05B33/0827 , Y02B20/341
摘要： When a forward direction voltage of any of several LEDs 14 to 20 is lowered, a drain voltage of an NMOS transistor 70 employed in any of series regulators 24 to 30 becomes higher than a defined voltage. A zener diode ZD1, which is connected to the LED where the abnormal condition occurs, becomes conductive. A voltage, which is increased from the defined voltage, is applied to a negative input terminal of a comparing amplifier 72, and an output voltage of the comparing amplifier 72 is lowered by this increased voltage portion so that a gate voltage of the NMOS transistor 70 is lowered. A current flowing through the NMOS transistor 70 is decreased. Even if an abnormal condition caused by a voltage drop occurs in any of the LEDs 14 to 20, then the LEDs 14 to 20 can be protected.
摘要翻译：当几个LED 14至20中的任何一个的正向电压降低时，串联调节器24至30中任何一个中采用的NMOS晶体管70的漏极电压变得高于限定的电压。与发生异常状态的LED连接的齐纳二极管ZD 1变为导通状态。从定义的电压增加的电压被施加到比较放大器72的负输入端，并且比较放大器72的输出电压被该增加的电压部分降低，使得NMOS晶体管70的栅极电压被降低流过NMOS晶体管70的电流减小。即使在发光二极管14〜20中发生由电压下降引起的异常情况，也可以保护LED14〜20。

12. 发明授权

US06989638B2 Discharge lamp lighting circuit 失效
标题翻译：放电灯点亮电路
公开(公告)号：US06989638B2
公开(公告)日：2006-01-24
申请号：US10879579
申请日：2004-06-30
申请人： Takanori Namba , Masayasu Ito
发明人： Takanori Namba , Masayasu Ito
IPC分类号： G05F1/00
CPC分类号： H05B41/388 , H05B41/2882 , H05B41/386
摘要： A discharge lamp lighting circuit includes an emission acceleration controller for detecting a lamp voltage for the discharge lamp, and supplying power greater than a rated value when the discharge lamp is initially lighted, and for gradually reducing the power supplied thereafter so as to shift the discharge lamp to a steady state. Power control is provided so that the power supplied to the discharge lamp is reduced in accordance with a rise in the voltage of a capacitor, and a charge current is supplied to the capacitor by current sources that provide a current that depends on the time elapsed since the lighting of the discharge lamp started and a second current that depends on a lamp voltage.
摘要翻译：放电灯点亮电路包括用于检测放电灯的灯电压并且在放电灯最初点亮时提供大于额定值的功率的发射加速度控制器，并且用于逐渐减小其后提供的功率，以便使放电灯灯稳定。提供功率控制，使得根据电容器的电压的上升，提供给放电灯的功率减小，并且通过提供电流的电流源向电容器提供充电电流，电流源取决于从过去经过的时间放电灯的点亮开始，取决于灯电压的第二电流。

13. 发明申请

US20080157678A1 LIGHT EMITTING DEVICE DRIVE CIRCUIT AND VEHICLE LAMP USING THE SAME 有权
标题翻译：发光装置驱动电路和使用相同的车灯
公开(公告)号：US20080157678A1
公开(公告)日：2008-07-03
申请号：US11962726
申请日：2007-12-21
申请人： Masayasu Ito , Yoshihiro Uchiyama , Takanori Namba
发明人： Masayasu Ito , Yoshihiro Uchiyama , Takanori Namba
IPC分类号： B60Q1/00
CPC分类号： H05B33/08
摘要： A light emitting device drive circuit includes: a power conversion unit for receiving an input electric power and performing an electric power conversion on the input electric power in accordance with a control signal so as to generate the predetermined output current; a current detection unit for detecting an output current IL of the power conversion unit; a temperature detection unit for detecting a case internal temperature TD, which is an interior temperature of a case for accommodating the light emitting device drive circuit; a regulation unit being operable to a) detect whether a temperature TL of the light emitting device has reached a first predetermined temperature TLmax based on TD, IL, and a temperature rise coefficient a relative to IL, the temperature rise coefficient a being set in advance so that TL satisfies a relationship of TL=TD+α·IL, and b) generate a regulation signal for reducing a predetermined output current IL0 so that TL does not exceed TLmax in the event that a result of the detection indicates that TL has reached TLmax; and a control unit for controlling IL0 in accordance with the regulation signal from the regulation unit.
摘要翻译：发光器件驱动电路包括：电力转换单元，用于接收输入电力，并根据控制信号对输入电力进行电力转换，以产生预定的输出电流; 电流检测单元，用于检测电力转换单元的输出电流IL; 温度检测单元，用于检测作为用于容纳发光装置驱动电路的壳体的内部温度的壳体内部温度TD; 调节单元，其可操作以：a）检测所述发光装置的温度TL是否已经基于TD，IL达到第一预定温度TLmax，以及相对于IL的升温系数a，预先设定所述升温系数a 使得TL满足TL = TD + alpha.IL的关系，并且b）产生用于减小预定输出电流IL0的调节信号，使得在检测结果指示TL达到的情况下，TL不超过TLmax TLmax; 以及控制单元，用于根据来自调节单元的调节信号来控制IL0。

14. 发明授权

US07291989B2 Lighting control circuit for vehicle lighting equipment 失效
标题翻译：汽车照明设备照明控制电路
公开(公告)号：US07291989B2
公开(公告)日：2007-11-06
申请号：US11296050
申请日：2005-12-06
申请人： Takanori Namba , Masayasu Ito
发明人： Takanori Namba , Masayasu Ito
IPC分类号： H05B37/02
CPC分类号： H05B33/0887 , H05B33/0815 , Y02B20/341
摘要： This disclosure relates to protecting a switching regulator by sensing immediately a change in an input voltage when the input voltage of the switching regulator is changed suddenly. When an input voltage of a switching regulator 12 is changed suddenly and an interrupt request signal IRQ is provided from an input voltage sensing circuit 16 while electromagnetic energy accumulated in the switching regulator 12 is discharged to an output block 14 by turning ON/OFF a switch SW1 in accordance with a switching signal generated by a microcomputer 18, to control a lighting of an LED1, the microcomputer 18 reduces an ON duty of the switching signal provided to the switch SW1 in response to the interrupt request signal IRQ and limits an increase of a peak value of a current flowing through a primary side of the switching regulator 12.
摘要翻译：本公开涉及当开关调节器的输入电压突然改变时，立即感测到输入电压的变化来保护开关调节器。当开关调节器12的输入电压突然改变并且从输入电压检测电路16提供中断请求信号IRQ时，同时开关调节器12中累积的电磁能量通过接通/断开来将开关放电到输出块14 SW 1根据由微计算机18产生的切换信号，为了控制LED1的点亮，微型计算机18响应于中断请求信号IRQ和限制而降低提供给开关SW 1的开关信号的导通占空比流过开关调节器12的初级侧的电流的峰值的增加。

15. 发明申请

US20070170876A1 Lighting control apparatus for vehicle lighting device 失效
标题翻译：车辆照明装置用照明控制装置
公开(公告)号：US20070170876A1
公开(公告)日：2007-07-26
申请号：US11656842
申请日：2007-01-23
申请人： Masayasu Ito , Takanori Namba
发明人： Masayasu Ito , Takanori Namba
IPC分类号： H05B39/00
CPC分类号： H05B33/0893 , H05B33/0815
摘要： A lighting control apparatus and a method of lighting control for a vehicle lighting device includes a semiconductor light source including a semiconductor light emitting element; and a current supply controller coupled between a power supply and the semiconductor light source. Supply of a current from the power supply to the semiconductor light source is restricted by the current supply controller during a current restriction period to a value smaller than a prescribed current. A microcomputer compares a forward voltage generated from the semiconductor light source during the current restriction period with an abnormality determination value to determine whether or not an abnormality occurs due to a change of the forward voltage of the semiconductor light source.
摘要翻译：照明控制装置和车辆照明装置的照明控制方法包括：半导体光源，包括半导体发光元件; 以及耦合在电源和半导体光源之间的电流供应控制器。从电源向半导体光源的电流的供给在电流限制期间被电流供给控制器限制为小于规定电流的值。微型计算机将在当前限制期间从半导体光源产生的正向电压与异常判定值进行比较，以确定是否由于半导体光源的正向电压的变化而发生异常。

16. 发明申请

US20070030138A1 Lighting control apparatus for vehicle lamp 有权
标题翻译：车灯照明控制装置
公开(公告)号：US20070030138A1
公开(公告)日：2007-02-08
申请号：US11496530
申请日：2006-07-31
申请人： Masayasu Ito , Takanori Namba
发明人： Masayasu Ito , Takanori Namba
IPC分类号： B60Q1/50
CPC分类号： B60Q1/1415 , H05B33/0815 , H05B33/0845 , Y02B20/346 , Y02B20/347 , Y10T307/406 , Y10T307/937
摘要： When the level at an input terminal goes low upon the reception of a signal to dim an LED, a PNP transistor is rendered on and a voltage at the positive input terminal of an operational amplifier is raised, in accordance with a time constant that is defined by a resistor and a capacitor. In accordance with the increase in this voltage, a source current is supplied from the operational amplifier to a current detection terminal, and as the value of the source current is gradually increased, a current flowing across the shunt resistor of the switching regulator is gradually reduced. Further, the light emission level of the LED is gradually lowered from the fully lighted state to the 70% lighted state, and there is, for the LED, a light quantity change of about 30% in ten seconds.
摘要翻译：当输入端子的电平在接收到使暗淡LED的信号变为低电平时，根据定义的时间常数，使PNP晶体管导通，运算放大器的正输入端的电压升高通过电阻和电容。根据该电压的增加，源电流从运算放大器提供给电流检测端子，随着源电流的值逐渐增加，流过开关调节器的分流电阻的电流逐渐减小。此外，LED的发光水平从完全点亮状态逐渐降低到70％的点亮状态，对于LED，在10秒内的光量变化约为30％。

17. 发明申请

US20050189822A1 Power source apparatus and vehicular lamp 失效
标题翻译：电源设备和车灯
公开(公告)号：US20050189822A1
公开(公告)日：2005-09-01
申请号：US11051192
申请日：2005-02-04
申请人： Takanori Namba , Masayasu Ito
发明人： Takanori Namba , Masayasu Ito
IPC分类号： B60R16/03 , B60Q1/00 , B60R16/02 , F21V23/02 , G06K1/00 , H02M3/28 , H02M3/335 , H05B33/08 , H05B37/02
CPC分类号： H05B33/0815 , H05B33/0818
摘要： There is provided a vehicular lamp at low cost. A power source apparatus includes: an output controlling switch operable to intermittently carry an electric current; an output coil operable to accumulate energy according to the current flowing into the output controlling switch and to output an electric power based on the accumulated energy when the output controlling switch is turned off; an end detecting unit operable to detect that the output coil ends the output of the power; and an output controlling unit, in which the output controlling unit includes: a time memorizing unit that memorizes OFF time for which the output controlling switch should be kept off; a switch controlling unit that switches the output controlling switch on and off based on the OFF time memorized in the time memorizing unit; and a time changing unit that changes the OFF time memorized in the time memorizing unit. The time changing unit increases the OFF time when the end detecting unit is not detecting the end of the output and decreases the OFF time when the end detecting unit is detecting the end of the output, in the timing when the output controlling switch is turned on.
摘要翻译：以低成本提供车灯。电源装置包括：输出控制开关，其可操作以间歇地携带电流; 输出线圈，用于根据流入所述输出控制开关的电流累积能量，并且当所述输出控制开关断开时，基于所述累积能量输出电力; 结束检测单元，其可操作以检测输出线圈结束电力的输出; 以及输出控制单元，其中所述输出控制单元包括：存储所述输出控制开关应关闭的OFF时间的时间存储单元; 开关控制单元，其基于存储在时间存储单元中的OFF时间来接通和断开输出控制开关; 以及更改单元，其改变存储在时间存储单元中的OFF时间。当输出控制开关导通的定时，时间改变单元增加结束检测单元未检测到输出结束时的关闭时间，并且当结束检测单元检测到输出结束时减小关闭时间。

18. 发明授权

US07528553B2 Lighting control apparatus for vehicle lighting device 失效
标题翻译：车辆照明装置用照明控制装置
公开(公告)号：US07528553B2
公开(公告)日：2009-05-05
申请号：US11656842
申请日：2007-01-23
申请人： Masayasu Ito , Takanori Namba
发明人： Masayasu Ito , Takanori Namba
IPC分类号： G05F1/00
CPC分类号： H05B33/0893 , H05B33/0815
摘要： A lighting control apparatus and a method of lighting control for a vehicle lighting device includes a semiconductor light source including a semiconductor light emitting element; and a current supply controller coupled between a power supply and the semiconductor light source. Supply of a current from the power supply to the semiconductor light source is restricted by the current supply controller during a current restriction period to a value smaller than a prescribed current. A microcomputer compares a forward voltage generated from the semiconductor light source during the current restriction period with an abnormality determination value to determine whether or not an abnormality occurs due to a change of the forward voltage of the semiconductor light source.
摘要翻译：照明控制装置和车辆照明装置的照明控制方法包括：半导体光源，包括半导体发光元件; 以及耦合在电源和半导体光源之间的电流供应控制器。从电源到半导体光源的电流的供给在电流限制期间被电流供给控制器限制为小于规定电流的值。微型计算机将在当前限制期间从半导体光源产生的正向电压与异常判定值进行比较，以确定是否由于半导体光源的正向电压的变化而发生异常。

19. 发明授权

US07482765B2 Lighting control apparatus of lighting device for vehicle 有权
标题翻译：车辆照明装置照明控制装置
公开(公告)号：US07482765B2
公开(公告)日：2009-01-27
申请号：US11484989
申请日：2006-07-11
申请人： Masayasu Ito , Fuminori Shiotsu , Takanori Namba
发明人： Masayasu Ito , Fuminori Shiotsu , Takanori Namba
IPC分类号： H05B37/00
CPC分类号： H05B33/089 , H05B33/0815 , H05B33/0827 , Y02B20/341
摘要： When a forward direction voltage of any of several LEDs 14 to 20 is lowered, a drain voltage of an NMOS transistor 70 employed in any of series regulators 24 to 30 becomes higher than a defined voltage. A zener diode ZD1, which is connected to the LED where the abnormal condition occurs, becomes conductive. A voltage, which is increased from the defined voltage, is applied to a negative input terminal of a comparing amplifier 72, and an output voltage of the comparing amplifier 72 is lowered by this increased voltage portion so that a gate voltage of the NMOS transistor 70 is lowered. A current flowing through the NMOS transistor 70 is decreased. Even if an abnormal condition caused by a voltage drop occurs in any of the LEDs 14 to 20, then the LEDs 14 to 20 can be protected.
摘要翻译：当几个LED 14至20中的任何一个的正向电压降低时，串联调节器24至30中任何一个中采用的NMOS晶体管70的漏极电压变得高于限定的电压。与发生异常状态的LED连接的齐纳二极管ZD1变为导通状态。从定义的电压增加的电压被施加到比较放大器72的负输入端，并且比较放大器72的输出电压被该增加的电压部分降低，使得NMOS晶体管70的栅极电压被降低流过NMOS晶体管70的电流减小。即使在发光二极管14〜20中发生由电压下降引起的异常情况，也可以保护LED14〜20。

20. 发明授权

US07479743B2 Vehicle lighting apparatus 失效
标题翻译：车辆照明装置
公开(公告)号：US07479743B2
公开(公告)日：2009-01-20
申请号：US11636915
申请日：2006-12-11
申请人： Takanori Namba , Masayasu Ito
发明人： Takanori Namba , Masayasu Ito
IPC分类号： H05B37/02 , H05B39/04 , H05B41/36 , H05B37/00 , H05B41/16 , G05F1/00
CPC分类号： H05B37/036 , H05B33/0815 , H05B33/089 , Y02B20/346
摘要： A vehicle lighting apparatus includes a plurality of semiconductor light sources that are connected with each other in series, a switching regulator for supplying an electric power from a power source to each of said plurality of semiconductor light sources, forward voltage detection circuitry for detecting a forward voltage of each of said plurality of semiconductor light sources, and failure detection circuitry for detecting the failure of each of said semiconductor light sources based on the detected value of said forward voltage detection means. A semiconductor light source having a lower forward voltage is connected closer to a reference potential side of said power source among said plurality of semiconductor light sources.
摘要翻译：一种车辆用照明装置，其具有串联连接的多个半导体光源，用于从所述多个半导体光源中的每一个供给来自电源的电力的开关调节器，用于检测前端的正向电压检测电路所述多个半导体光源中的每一个的电压以及用于根据所述正向电压检测装置的检测值检测每个所述半导体光源的故障的故障检测电路。具有较低正向电压的半导体光源在所述多个半导体光源中更靠近所述电源的基准电位侧。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式