公开(公告)号：US20120187870A1

公开(公告)日：2012-07-26

申请号：US13354771

申请日：2012-01-20

申请人： Naoko Iwai ,  Hiroshi Kubota ,  Masahiko Kamata ,  Hiroshi Terasaka

发明人： Naoko Iwai ,  Hiroshi Kubota ,  Masahiko Kamata ,  Hiroshi Terasaka

IPC分类号： H05B37/02

CPC分类号： H05B33/0884 ,  H05B37/03 ,  H05B41/2851

摘要： According to one embodiment, a lighting device includes a lighting circuit and a control circuit. The lighting circuit includes an output end to which an illumination lamp is connected, and lights the illumination lamp by a direct-current power. The control circuit controls the lighting circuit so that power consumption caused by a contact resistance at a connection part between the illumination lamp and the output end of the lighting circuit during whole light lighting of the illumination lamp does not exceed a specified value set to 8 W or less.

摘要翻译： 根据一个实施例，照明装置包括点亮电路和控制电路。 照明电路包括连接照明灯的输出端，并通过直流电照明照明灯。 控制电路控制照明电路，使得在照明灯的整个点亮期间，照明灯与照明电路的输出端之间的连接部分处的接触电阻引起的功率消耗不超过设定为8W的规定值 或更少。

公开(公告)号：US20110279062A1

公开(公告)日：2011-11-17

申请号：US13106487

申请日：2011-05-12

申请人： Go Kato ,  Hiroshi Kubota ,  Masahiko Kamata ,  Hiroshi Terasaka ,  Tomokazu Usami ,  Naoko Iwai

发明人： Go Kato ,  Hiroshi Kubota ,  Masahiko Kamata ,  Hiroshi Terasaka ,  Tomokazu Usami ,  Naoko Iwai

IPC分类号： H05B37/02 ,  H02H7/12

CPC分类号： H05B33/0887

摘要： In one embodiment, a DC power supply unit includes a DC power supply source; a load circuit connected to an output end of the DC power supply source; a load state detection device to detect a load voltage or an electric quantity corresponding to the load voltage; and a control device to receive the detected output of the load state detection device. The control device controls a maximum output voltage of the DC power supply source so that the voltage difference between the maximum output voltage of the DC power supply source and the load voltage at the time of normal operation falls within a predetermined range in which arc discharge is suppressed.

摘要翻译： 在一个实施例中，直流电源单元包括直流电源; 连接到所述直流电源的输出端的负载电路; 负载状态检测装置，用于检测对应于负载电压的负载电压或电量; 以及控制装置，用于接收检测到的负载状态检测装置的输出。 控制装置控制直流电源的最大输出电压，使得直流电源的最大输出电压与正常运行时的负载电压之间的电压差落在电弧放电为预定范围内的预定范围内 被压制

公开(公告)号：US08593067B2

公开(公告)日：2013-11-26

申请号：US13013271

申请日：2011-01-25

申请人： Naoko Iwai ,  Hajime Osaki ,  Kenichi Asami ,  Hitoshi Kawano ,  Masatoshi Kumagai

发明人： Naoko Iwai ,  Hajime Osaki ,  Kenichi Asami ,  Hitoshi Kawano ,  Masatoshi Kumagai

IPC分类号： H05B37/02

CPC分类号： H05B33/0815

摘要： According to one embodiment, an LED lighting device includes a DC source, a non-insulated step-down chopper and a light emitting diode. The non-insulated step-down chopper includes: a first circuit in which a switching element, a current detecting impedance element and an inductor are connected in series to each other; a second circuit in which the inductor and a freewheel diode are connected in series to each other; and a control portion for controlling the switching element. A power portion including the switching element and the control portion are constituted by a single package IC, and the current detecting impedance element and inductor are attached to the outside of the IC.

摘要翻译： 根据一个实施例，LED照明装置包括DC源，非绝缘降压斩波器和发光二极管。 非绝缘降压斩波器包括：开关元件，电流检测阻抗元件和电感器彼此串联连接的第一电路; 电感器和续流二极管彼此串联连接的第二电路; 以及用于控制开关元件的控制部分。 包括开关元件和控制部分的电源部分由单个封装IC构成，并且电流检测阻抗元件和电感器附接到IC的外部。

公开(公告)号：US20110043121A1

公开(公告)日：2011-02-24

申请号：US12860528

申请日：2010-08-20

申请人： MITSUHIRO MATSUDA ,  Naoko Iwai ,  Hajime Osaki ,  Hiroshi Kubota ,  Takuro Hiramatsu ,  Katsusuke Uchino ,  Masatoshi Kumagai

发明人： MITSUHIRO MATSUDA ,  Naoko Iwai ,  Hajime Osaki ,  Hiroshi Kubota ,  Takuro Hiramatsu ,  Katsusuke Uchino ,  Masatoshi Kumagai

IPC分类号： H05B37/02

CPC分类号： H05B33/0839 ,  H05B33/0815

摘要： A lighting circuit according to embodiments includes: a self-hold element connected in series to an AC power source that generates power for lighting an illumination load, together with the illumination load, the self-hold element being configured to control supply of the power provided by the AC power source to the illumination load by the self-hold element being turned on/off; a noise prevention circuit connected in parallel to the self-hold element; and a damping circuit configured to connect a damping resistance to the noise prevention circuit parallely only for a predetermined period from turning-on of the self-hold element, thereby preventing the self-hold element from being repeatedly turned on/off during a period in which the self-hold element is on under normal conditions, due to a transient during power supply.

摘要翻译： 根据实施例的照明电路包括：与保持照明负载一起产生电力的AC电源串联连接的自保持元件以及照明负载，所述自保持元件被配置为控制所提供的电力的供应 通过所述AC电源通过所述自保持元件被接通/断开而对所述照明负载; 与自保持元件并联连接的防噪电路; 以及阻尼电路，其被配置为将阻尼电阻与防噪声电路平行地连接在自保持元件的接通之后的预定时间段内，从而防止自保持元件在一段时间内重复地接通/断开 由于电源过程中的自保持元件在正常条件下导通。

公开(公告)号：US20120153841A1

公开(公告)日：2012-06-21

申请号：US13331839

申请日：2011-12-20

申请人： Sayaka TOMIYAMA ,  Masahiko Kamata ,  Toshihiko Sasai ,  Hitoshi Kawano ,  Naoko Iwai ,  Masatoshi Kumagai ,  Toru Ishikita ,  Hiromichi Nakajima

发明人： Sayaka TOMIYAMA ,  Masahiko Kamata ,  Toshihiko Sasai ,  Hitoshi Kawano ,  Naoko Iwai ,  Masatoshi Kumagai ,  Toru Ishikita ,  Hiromichi Nakajima

IPC分类号： H05B37/02

CPC分类号： H05B33/0869

摘要： An illuminating device includes a plurality of kinds of LEDs that emit light having different color temperatures; a plurality of LED lighting circuits that independently light the LEDs for each color temperature of emitted light; and a control unit that selects a first control changing illuminance of the LEDs as a whole by controlling the lighting of the LEDs and a second control changing the colors of light of the LEDs as a whole by controlling the lighting of the LEDs, and corrects an illuminance difference generated before and after the second control.

摘要翻译： 照明装置包括发射具有不同色温的光的多种LED; 多个LED照明电路，用于针对发射光的每个色温独立地点亮LED; 以及控制单元，其通过控制LED的点亮来选择LED的第一控制变化照度，以及通过控制LED的点亮来整体上改变LED的光的颜色的第二控制，并且校正LED 在第二次控制之前和之后产生的照度差异。

公开(公告)号：US20120119651A1

公开(公告)日：2012-05-17

申请号：US13294205

申请日：2011-11-11

申请人： Hiromichi Nakajima ,  Naoko Iwai ,  Masahiko Kamata ,  Sayaka Tomiyama ,  Toru Ishikita ,  Toshikiko Sasai

发明人： Hiromichi Nakajima ,  Naoko Iwai ,  Masahiko Kamata ,  Sayaka Tomiyama ,  Toru Ishikita ,  Toshikiko Sasai

IPC分类号： H05B37/03

CPC分类号： H05B33/0821 ,  H05B33/089

摘要： In one embodiment, a lighting device includes an LED lighting circuit and an LED load constituted by a plurality of parallel circuits formed by connecting a plurality of LED elements in parallel, and a series circuit formed by connecting the parallel circuits. The series circuit is connected with an output terminal of the lighting device. In case one LED element becomes open fault mode in one of the parallel circuit, the other LED elements continue lighting. In case two or more LED elements become the open fault mode, the other LED elements also become the open fault mode, and all the LED elements turn off.

摘要翻译： 在一个实施例中，照明装置包括LED点亮电路和由多个并联电路构成的LED负载以及通过连接并联电路形成的串联电路。 串联电路与照明装置的输出端子连接。 如果一个LED元件在并联电路之一变为开路故障模式，则其他LED元件继续点亮。 如果两个或更多LED元件成为开路故障模式，其他LED元件也将成为开路故障模式，并且所有LED元件关闭。

公开(公告)号：US08816608B2

公开(公告)日：2014-08-26

申请号：US13410076

申请日：2012-03-01

申请人： Hiroshi Terasaka ,  Toshihiko Sasai ,  Naoko Iwai

发明人： Hiroshi Terasaka ,  Toshihiko Sasai ,  Naoko Iwai

IPC分类号： G06F1/00 ,  H05B37/02 ,  H05B39/04 ,  H05B41/36

CPC分类号： H05B33/0845

摘要： According to one embodiment, a luminaire includes a lighting circuit configured to light a light source with a power supply from the outside, an accumulated-lighting-time storing section configured to store accumulated lighting time of the light source, and a control circuit configured to control the lighting circuit in a set mode. The control circuit sets, if a pattern for turning on and off the power supply from the outside is a predetermined initial illuminance correction setting pattern, a mode in an initial illuminance correction mode for performing initial illuminance correction corresponding to the accumulated lighting time of the light source. The control circuit sets, if the pattern for turning on and off the power supply from the outside is a predetermined normal setting pattern, the mode in a normal mode for not performing the initial illuminance correction.

摘要翻译： 根据一个实施例，一种照明装置包括：点亮电路，其被配置为用来自外部的电源对光源进行点亮;累积点亮时间存储部，被配置为存储所述光源的累积点亮时间;以及控制电路， 在设定模式下控制照明电路。 如果用于从外部接通和断开电源的模式是预定的初始照度校正设置模式，则控制电路设置用于执行对应于光的累积点亮时间的初始照度校正的初始照度校正模式中的模式 资源。 如果用于从外部接通和断开电源的模式是预定的正常设置模式，则控制电路设置用于不执行初始照度校正的正常模式中的模式。

公开(公告)号：US08952627B2

公开(公告)日：2015-02-10

申请号：US13331839

申请日：2011-12-20

申请人： Sayaka Tomiyama ,  Masahiko Kamata ,  Toshihiko Sasai ,  Hitoshi Kawano ,  Naoko Iwai ,  Masatoshi Kumagai ,  Toru Ishikita ,  Hiromichi Nakajima

发明人： Sayaka Tomiyama ,  Masahiko Kamata ,  Toshihiko Sasai ,  Hitoshi Kawano ,  Naoko Iwai ,  Masatoshi Kumagai ,  Toru Ishikita ,  Hiromichi Nakajima

IPC分类号： G05F1/00 ,  H05B33/08

CPC分类号： H05B33/0869

摘要： An illuminating device includes a plurality of kinds of LEDs that emit light having different color temperatures; a plurality of LED lighting circuits that independently light the LEDs for each color temperature of emitted light; and a control unit that selects a first control changing illuminance of the LEDs as a whole by controlling the lighting of the LEDs and a second control changing the colors of light of the LEDs as a whole by controlling the lighting of the LEDs, and corrects an illuminance difference generated before and after the second control.

摘要翻译： 照明装置包括发射具有不同色温的光的多种LED; 多个LED照明电路，用于针对发射光的每个色温独立地点亮LED; 以及控制单元，其通过控制LED的点亮来选择LED的第一控制变化照度，以及通过控制LED的点亮来整体上改变LED的光的颜色的第二控制，并且校正LED 在第二次控制之前和之后产生的照度差异。

公开(公告)号：US20130293134A1

公开(公告)日：2013-11-07

申请号：US13884941

申请日：2011-11-08

申请人： Toru Ishikita ,  Toshihiko Sasai ,  Masahiko Kamata ,  Hiromichi Nakajima ,  Naoko Iwai ,  Sayaka Tomiyama

发明人： Toru Ishikita ,  Toshihiko Sasai ,  Masahiko Kamata ,  Hiromichi Nakajima ,  Naoko Iwai ,  Sayaka Tomiyama

IPC分类号： H05B33/08

CPC分类号： H05B33/0815 ,  H05B33/0866

摘要： An LED lighting device includes a plurality of kinds of LEDs 1 and 2 having different color temperatures, an LED lighting circuit 3 configured to light each of the plurality of kinds of LEDs, and a control unit 4 configured to control an LED lighting circuit to simultaneously dimmably light the plurality of kinds of LEDs, subject the plurality of kinds of LEDs to dimming control through pulse width control in a deep dimming region where a dimming degree is equal to or lower than 20%, and subject the plurality of kinds of LEDs to the dimming control through amplitude control in other dimming regions.

摘要翻译： LED照明装置包括具有不同色温的多种LED1和2，被配置为点亮多种LED的LED点灯电路3和被配置为同时控制LED照明电路的控制单元4 对多种LED进行可调光照明，使多种LED通过调光度等于或低于20％的深度调光区域中的脉冲宽度控制进行调光控制，并将多种LED 通过其他调光区域的幅度控制进行调光控制。

公开(公告)号：US20130293144A1

公开(公告)日：2013-11-07

申请号：US13884940

申请日：2011-11-09

申请人： Sayaka Tomiyama ,  Masahiko Kamata ,  Toshihiko Sasai ,  Hitoshi Kawano ,  Naoko Iwai ,  Masatoshi Kumagai ,  Toru Ishikita ,  Horomichi Nakajima

发明人： Sayaka Tomiyama ,  Masahiko Kamata ,  Toshihiko Sasai ,  Hitoshi Kawano ,  Naoko Iwai ,  Masatoshi Kumagai ,  Toru Ishikita ,  Horomichi Nakajima

IPC分类号： H05B33/08

CPC分类号： H05B33/0857 ,  H05B33/0866

摘要： A light source lighting device includes a first light source 1, a second light source 2 having a color temperature lower than a color temperature of the first light source, the color temperature of the second light source being 2500 to 3200 K, a lighting circuit 3 configured to light each of the first and second light sources, and a control unit 4 which is capable of selecting a fadeout mode for continuously dimming and fading out both the first and second light sources and, when the fadeout mode is selected, in a period of a latter stage controls the lighting circuit to increase a light amount of the second light source to be larger than a light amount of the first light source.

摘要翻译： 光源照明装置包括第一光源1，色温低于第一光源的色温的第二光源2，第二光源的色温为2500〜3200K，点亮电路3 被配置为点亮第一和第二光源中的每一个;以及控制单元4，其能够选择淡出模式，以连续地对第一和第二光源进行调光和淡化，并且当选择淡出模式时， 后级控制照明电路，以将第二光源的光量增加到大于第一光源的光量。