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公开(公告)号：US20170231040A1
公开(公告)日：2017-08-10
申请号：US15426127
申请日：2017-02-07
Inventor： Shigeru IDO
CPC classification number: H05B33/0815 , H02M7/06 , H05B33/083 , H05B33/0887
Abstract: A lighting device includes a rectifier circuit, a drive circuit and a current control circuit. Rectifier circuit rectifies an AC voltage into a pulsating voltage to be output. A load circuit including two or more solid light sources connected in series is connected between output terminals of rectifier circuit. The drive circuit changes a number of solid light sources emitting light, according to a change in a voltage value of the pulsating voltage, so that a period of the pulsating voltage includes: a first time period during which a part of the two or more solid light sources emits light; and a second time period during which all of the two or more solid light sources emit light. The current control circuit controls, in at least the second time period, a value of current flowing through load circuit according to an average voltage of the pulsating voltage.
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公开(公告)号：US20230043659A1
公开(公告)日：2023-02-09
申请号：US17816768
申请日：2022-08-02
Inventor： Shigeru IDO , Masafumi KAWAKAMI , Takanori NAKANO
IPC: H02K11/33 , H02K11/215 , B62M6/50 , B62J45/42 , B62J45/20
Abstract: A motor unit, which is an example of an embodiment, includes a motor including a motor shaft, a rotor fixed to the motor shaft, and a stator, and a control board, the control board being disposed with at least a part of the control board overlapping the motor when viewed in a motor axial direction. A sensor that detects a magnetic field of the motor shaft, the rotor, or a rotating body rotating together with the motor shaft, and a control element that controls the motor using detection information of the sensor, are mounted on the control board. The control board includes a signal line that connects the sensor and the control element. The signal line includes an arcuate wiring section bent to be convex in a radial direction outer side of a circle centering on a shaft core of the motor shaft.
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公开(公告)号：US20180352627A1
公开(公告)日：2018-12-06
申请号：US15984389
申请日：2018-05-20
Inventor： Keisuke SEKI , Shigeru IDO , Kazuhiko HAYASHI
Abstract: An illuminating apparatus includes a first light emitter, a second light emitter which emits light including more predefined color components than light emitted by the first light emitter, and a lighting device which supplies current modulated according to a visible light communication signal, to the first light emitter. The lighting device supplies a constant current to the second light emitter, while the first light emitter is supplied with current.
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公开(公告)号：US20170238378A1
公开(公告)日：2017-08-17
申请号：US15430669
申请日：2017-02-13
Inventor： Shigeru IDO
IPC: H05B33/08
CPC classification number: H05B33/0809 , H05B33/0827 , H05B33/083 , H05B33/0845 , H05B33/089
Abstract: A lighting device includes a rectifier circuit, a driver circuit and a shunt circuit. The driver circuit is configured to apply respective voltage components contained in a pulsating voltage from the rectifier circuit every period of the pulsating voltage across part and all of solid light sources in response to the pulsating voltage and respective ON voltages of light source circuits including the part and all of the solid light sources. The shunt circuit is electrically connected in parallel with a light source circuit having a lowest ON voltage of the light source circuits, and configured to set a value of an output current from the rectifier circuit to a value proportional to a value of the pulsating voltage while the pulsating voltage is less than the lowest ON voltage.
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公开(公告)号：US20170013686A1
公开(公告)日：2017-01-12
申请号：US15202794
申请日：2016-07-06
Inventor： Shigeru IDO , Akinori HIRAMATSU , Hiroshi KIDO , Takeshi KAMOI , Daisuke UEDA
IPC: H05B33/08
CPC classification number: H05B33/0815 , H04B10/11 , H05B33/0806 , H05B33/0842
Abstract: A control circuit is configured to convert a DC voltage that is outputted from a DC power supply to a square wave voltage by switching the switching element according to a PWM signal having a duty ratio that corresponds to a light modulation level of the light source unit, and cause the square wave voltage to be outputted to the light source unit. The control circuit includes a voltage controller configured to control an operating voltage for operating the switching element such that at least one of a rising time and a falling time of a current that flows through the switching element is 1 microsecond or more.
Abstract translation: 控制电路被配置为通过根据具有与光源单元的光调制等级对应的占空比的PWM信号切换开关元件，将从直流电源输出的直流电压转换为方波电压， 并且使得方波电压被输出到光源单元。 控制电路包括：电压控制器，被配置为控制用于操作开关元件的工作电压，使得流过开关元件的电流的上升时间和下降时间中的至少一个为1微秒以上。
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Patent Agency Ranking
公开(公告)号：US20160316531A1
公开(公告)日：2016-10-27
申请号：US15134687
申请日：2016-04-21
Inventor： Shigeru IDO
IPC: H05B33/08
CPC classification number: H05B33/0827
Abstract: A lighting device includes a first current controller, a second current controller, and a charging current controller. The first current controller is configured to control current flowing through a light source so that the current flowing through the light source does not exceed a first predefined value. The charging current controller is configured to control current flowing through a storage element. The second current controller is configured to control current flowing through a first light source so that the current flowing through the first light source does not exceed a second predefined value.
Abstract translation: 照明装置包括第一电流控制器，第二电流控制器和充电电流控制器。 第一电流控制器被配置为控制流过光源的电流，使得流过光源的电流不超过第一预定值。 充电电流控制器被配置为控制流过存储元件的电流。 第二电流控制器被配置为控制流过第一光源的电流，使得流过第一光源的电流不超过第二预定值。
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公开(公告)号：US20160029444A1
公开(公告)日：2016-01-28
申请号：US14734566
申请日：2015-06-09
Inventor： Takeshi KAMOI , Akinori HIRAMATU , Hiroshi KIDO , Katsushi SEKI , Shigeru IDO , Daisuke YAMAHARA , Daisuke UEDA
IPC: H05B33/08
CPC classification number: H05B33/083
Abstract: A controller circuit is configured to adjust the number of light-emitting diodes that a current flows from a rectifier circuit through so that: the number of light-emitting diodes, which are lit, of the plurality of light-emitting diodes increases according to a value of a pulsating voltage during a time period that the value of the pulsating voltage increases; and the number of light-emitting diodes, which are lit, of the plurality of light-emitting diodes decreases according to the value of the pulsating voltage during a time period that the value of the pulsating voltage decreases. Light-emitting diodes, which start to emit light by a higher voltage value, of the plurality of light-emitting diodes are disposed at a position nearer to an outside of a mounting region of a substrate than light-emitting diodes, which start to emit light by a lower voltage value, of the plurality of light-emitting diodes.
Abstract translation: 控制器电路被配置为调节电流从整流电路流过的发光二极管的数量，使得：多个发光二极管的发光二极管的数量根据 在脉动电压值增加的时间段内脉动电压的值; 并且多个发光二极管中发光二极管的数量根据脉动电压值减小的时间段内的脉动电压的值而减小。 多个发光二极管开始发射较高电压值的发光二极管被设置在比开始发射的发光二极管更靠近基板的安装区域的外侧的位置 在多个发光二极管中通过较低的电压值进行光照射。
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18.发明申请公开(公告)号：US20180352625A1
公开(公告)日：2018-12-06
申请号：US15984385
申请日：2018-05-20
Inventor： Keisuke SEKI , Shigeru IDO , Kazuhiko HAYASHI
Abstract: Provided is a control circuit (modulation circuit) that receives output current determined based on a dimming signal, from a lighting device, consumes, as consumption current, part of the output current, and supplies supply current to a light-emitting element. The control circuit includes a regulator circuit that regulates the consumption current. The regulator circuit monotonously increases a magnitude of the consumption current relative to a magnitude of the output current.
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公开(公告)号：US20160242249A1
公开(公告)日：2016-08-18
申请号：US15011739
申请日：2016-02-01
Inventor： Akinori HIRAMATSU , Shigeru IDO , Daisuke UEDA , Hiroshi KIDO
IPC: H05B33/08
CPC classification number: H05B33/0824 , H05B33/0803 , H05B33/0854
Abstract: The light source unit includes a light source circuit including N (N≧3) pairs of a light source group including one or more solid light emitting elements and a constant current circuit connected in series with the light source group to keep, constant, current flowing through the light source group, a full-wave rectification circuit for performing full-wave rectification on AC voltage, and a control circuit. The first pair is connected to the full-wave rectification circuit. The k-th (2≦k≦N) pair is connected in parallel with the constant current circuit of the (k−1)-th pair so that the light source groups of the k-th and (k−1)-th pairs are in series. The control circuit terminates operations of the constant current circuits of the N pairs or limits currents flowing through the light source groups of the N pairs in response to detection of light or a signal.
Abstract translation: 光源单元包括：包括一个包括一个或多个固体发光元件的光源组的N（N≥3）对的光源电路和与光源组串联连接的恒流电路，以保持恒定的电流流动 通过光源组，用于对AC电压进行全波整流的全波整流电路和控制电路。 第一对连接到全波整流电路。 第k（2≤k≤N）对与第（k-1）对的恒流电路并联连接，使得第k和（k-1）对的光源组 对是串联的。 控制电路响应于光或信号的检测，终止N对的恒流电路的操作或限制流过N对的光源组的电流。
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公开(公告)号：US20160037594A1
公开(公告)日：2016-02-04
申请号：US14796287
申请日：2015-07-10
Inventor： Daisuke YAMAHARA , Takeshi KAMOI , Hiroshi KIDO , Akinori HIRAMATU , Katsushi SEKI , Daisuke UEDA , Shigeru IDO
IPC: H05B33/08
CPC classification number: H05B33/083 , H05B33/0809
Abstract: A lighting device includes a rectifier, a constant current regulator and a charge-discharge circuit. The constant current regulator is electrically connected in series with first and second solid-state light-emitting element arrays between a pair of output terminals of the rectifier. The constant current regulator is configured to adjust a current flowing through the second solid-state light-emitting element array to a constant current. The charge-discharge circuit is electrically connected in series with the first solid-state light-emitting element array between the pair of output terminals of the rectifier. The charge-discharge circuit includes a charge storage element, and is configured so that a charge current flows to the charge storage element through the first solid-state light-emitting element array, and so that a discharge current flows from the charge storage element to the second solid-state light-emitting element array.
Abstract translation: 照明装置包括整流器，恒流调节器和充放电电路。 恒流调节器与整流器的一对输出端之间的第一和第二固态发光元件阵列串联电连接。 恒流调节器被配置为将流过第二固态发光元件阵列的电流调节到恒定电流。 充放电电路与整流器的一对输出端子之间的第一固态发光元件阵列串联电连接。 充放电电路包括电荷存储元件，并且被配置为使得充电电流通过第一固态发光元件阵列流到电荷存储元件，并且使得放电电流从电荷存储元件流到 第二固态发光元件阵列。
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