公开(公告)号：US10014722B2

公开(公告)日：2018-07-03

申请号：US15410825

申请日：2017-01-20

Applicant: Access Business Group International LLC

Inventor： Roy W. Kuennen ,  David W. Baarman ,  Scott A. Mollema ,  Ronald C. Markham ,  Dennis J. Denen

IPC: H05B41/36 ,  H02J50/10 ,  H02J50/80 ,  H02J50/90 ,  H05B37/02 ,  C02F1/32 ,  C02F1/00

CPC classification number: H02J50/10 ,  A61L2/10 ,  C02F1/001 ,  C02F1/008 ,  C02F1/32 ,  C02F1/325 ,  C02F9/005 ,  C02F2201/3228 ,  C02F2201/326 ,  C02F2209/005 ,  C02F2209/008 ,  C02F2209/40 ,  H01F38/14 ,  H02J50/80 ,  H02J50/90 ,  H05B37/00 ,  H05B37/0209 ,  H05B37/0218 ,  H05B37/0227 ,  H05B37/03 ,  H05B41/24 ,  H05B41/36 ,  Y02B20/19

Abstract: A ballast circuit is disclosed for inductively providing power to a load. The ballast circuit includes an oscillator, a driver, a switching circuit, a resonant tank circuit and a current sensing circuit. The current sensing circuit provides a current feedback signal to the oscillator that is representative of the current in the resonant tank circuit. The current feedback signal drives the frequency of the ballast circuit causing the ballast circuit to seek resonance. The ballast circuit preferably includes a current limit circuit that is inductively coupled to the resonant tank circuit. The current limit circuit disables the ballast circuit when the current in the ballast circuit exceeds a predetermined threshold or falls outside a predetermined range.

公开(公告)号：US09979321B2

公开(公告)日：2018-05-22

申请号：US15584587

申请日：2017-05-02

Applicant: Debabrato Kumar Mondal

Inventor： Debabrato Kumar Mondal

IPC: H02M7/44 ,  H02M7/5387 ,  H05B41/282 ,  H05B41/24

CPC classification number: H02M7/5387 ,  H02M3/3376 ,  H02M7/53871 ,  H02M2001/007 ,  H05B41/24 ,  H05B41/2824 ,  Y10S315/07

Abstract: An inverter producing an alternating current from a direct current source has a primary stage coupled to the direct current source having a step-up transformer, a first switching circuit coupling the direct current to the transformer primary and a rectifier coupled to a secondary of the transformer for producing a DC voltage; a controller for the first switching circuit providing pulse drive signals to control switches of the first switching circuit to cause current to flow in the transformer primary and induce an alternating current in the transformer secondary; a secondary stage receiving the DC voltage having a second switching circuit and a controller for the second switching circuit for generating control signals to cause current through the second switching circuit to flow in alternate directions thorough the load. In one embodiment the alternating current period is divided into time slices and the switches of the first switching circuit are duty cycle modulated at different duty cycles in each time slice. A second embodiment switches series-connected primary windings of a multi-tap transformer.

公开(公告)号：US09930305B2

公开(公告)日：2018-03-27

申请号：US15474085

申请日：2017-03-30

Applicant: SEIKO EPSON CORPORATION

Inventor： Tomohiro Yokoo

IPC: H04N9/31 ,  G03B21/20 ,  H05B41/36 ,  H05B41/02 ,  H05B41/24 ,  H05B41/292

CPC classification number: H04N9/3155 ,  G03B21/2026 ,  G03B21/2053 ,  H05B41/02 ,  H05B41/24 ,  H05B41/2887 ,  H05B41/2928 ,  H05B41/36 ,  Y02B20/202

Abstract: A discharge lamp driving device includes a discharge lamp driving unit configured to supply a driving current to a discharge lamp, and a control unit configured to control the discharge lamp driving unit. The discharge lamp driving device is configured to provide a first hybrid period and a second hybrid period each alternately including a first AC period in which an AC current is supplied and a first DC period in which a DC current with a first polarity is supplied. The control unit, in the first hybrid period, is configured to change a ratio of length of the first DC period to length of the first AC period to be increased, and in the second hybrid period, is configured to change a ratio of the length of the first AC period to the length of the first DC period to be increased.

公开(公告)号：US09913356B2

公开(公告)日：2018-03-06

申请号：US15127691

申请日：2014-06-16

Applicant: Robert Bosch GmbH

Inventor： Cyrous Rostamzadeh ,  Shijie Wang ,  Rajesh Das ,  Steven Gladstein ,  Timothy Foster ,  Allen Marecki ,  Sanjai Master

IPC: H02M1/00 ,  H05B41/28 ,  H02M1/12 ,  H02M1/42 ,  H02M1/44 ,  H05B37/02 ,  H05B41/24 ,  H02M7/00 ,  H05K1/02

CPC classification number: H05B41/2806 ,  H02M1/12 ,  H02M1/42 ,  H02M1/44 ,  H02M7/003 ,  H02M2001/123 ,  H05B37/0272 ,  H05B41/24 ,  H05K1/0234 ,  Y02B20/22

Abstract: A connected light node (CLN) induction light ballast module for powering an induction lamp includes a printed circuit board having components mounted thereon and an earth ground region electrically isolated from a PCB ground region. A heat sink is disposed on a lower layer of the printed circuit board and electrically connected to the earth ground region, wherein a parasitic capacitance occurs between the printed circuit board ground region and the heat sink. A capacitive shield sandwiched by a lower insulating pad and an upper insulating pad is electrically isolated from the heat sink supporting the shield. A damping network electrically connects the capacitive shield to the PCB ground region. Switch-mode power converters are mounted above the upper insulating pad and the shield. The damping network suppresses noise by a parasitic capacitance between the PCB ground region and the heat sink during high frequency power converter operation.

公开(公告)号：US20170227840A1

公开(公告)日：2017-08-10

申请号：US15408049

申请日：2017-01-17

Applicant: SEIKO EPSON CORPORATION

Inventor： Tetsuo TERASHIMA

IPC: G03B21/20 ,  H05B41/36 ,  G03B21/00 ,  H05B41/24

CPC classification number: G03B21/2053 ,  G03B21/006 ,  G03B21/2026 ,  H05B41/24 ,  H05B41/2887 ,  H05B41/36 ,  Y02B20/202

Abstract: A discharge lamp driving device includes a discharge lamp driving section configured to supply a driving current to a discharge lamp including a first electrode and a second electrode and a control section configured to control the discharge lamp driving section. The control section is configured to repeat a unit period. The unit period includes a direct current period including a first direct current period in which a direct current having a first polarity is supplied to the discharge lamp and a second direct current period in which a direct current having a second polarity is supplied to the discharge lamp, and an alternating current period provided between the first direct current period and the second direct current period, an alternating current being supplied to the discharge lamp in the alternating current period. The control section is configured to temporally change length of the direct current period.

公开(公告)号：US09538627B2

公开(公告)日：2017-01-03

申请号：US14157925

申请日：2014-01-17

Applicant: SEIKO EPSON CORPORATION

Inventor： Junichi Suzuki

IPC: H05B37/02 ,  H05B41/38 ,  G03B21/20 ,  H05B41/36 ,  H05B41/288 ,  H05B41/24

CPC classification number: H05B41/38 ,  G03B21/2053 ,  H05B41/24 ,  H05B41/2882 ,  H05B41/2883 ,  H05B41/36

Abstract: A light source drive device includes a supply unit that supplies a high-frequency first drive signal and a second drive signal whose frequency is lower than a frequency of the first drive signal to a discharge lamp which has a pair of electrodes, and a control unit that controls the supply unit so that the first drive signal and the second drive signal of fixed durations are alternately supplied and that controls the supply unit so that the first drive signal is supplied in a case where a voltage between the pair of electrodes is below a threshold.

Abstract translation: 光源驱动装置包括供给单元，该供给单元将频率低于第一驱动信号的频率的高频第一驱动信号和第二驱动信号提供给具有一对电极的放电灯，以及控制单元 其控制供应单元，使得交替地提供固定持续时间的第一驱动信号和第二驱动信号，并且控制供应单元，使得在一对电极之间的电压低于一个的情况下提供第一驱动信号 阈。

公开(公告)号：US20160261143A1

公开(公告)日：2016-09-08

申请号：US15155138

申请日：2016-05-16

Applicant: Access Business Group International LLC

Inventor： Roy W. Kuennen ,  David W. Baarman ,  Scott A. Mollema ,  Ronald C. Markham ,  Dennis J. Denen

IPC: H02J50/10 ,  H02J50/90 ,  C02F1/32 ,  H05B37/02

CPC classification number: H02J50/10 ,  A61L2/10 ,  C02F1/001 ,  C02F1/008 ,  C02F1/32 ,  C02F1/325 ,  C02F9/005 ,  C02F2201/3228 ,  C02F2201/326 ,  C02F2209/005 ,  C02F2209/008 ,  C02F2209/40 ,  H01F38/14 ,  H02J50/80 ,  H02J50/90 ,  H05B37/00 ,  H05B37/0209 ,  H05B37/0218 ,  H05B37/0227 ,  H05B37/03 ,  H05B41/24 ,  H05B41/36 ,  Y02B20/19

Abstract: A ballast circuit is disclosed for inductively providing power to a load. The ballast circuit includes an oscillator, a driver, a switching circuit, a resonant tank circuit and a current sensing circuit. The current sensing circuit provides a current feedback signal to the oscillator that is representative of the current in the resonant tank circuit. The current feedback signal drives the frequency of the ballast circuit causing the ballast circuit to seek resonance. The ballast circuit preferably includes a current limit circuit that is inductively coupled to the resonant tank circuit. The current limit circuit disables the ballast circuit when the current in the ballast circuit exceeds a predetermined threshold or falls outside a predetermined range.

Abstract translation: 公开了一种用于感应地向负载提供电力的镇流器电路。 镇流器电路包括振荡器，驱动器，开关电路，谐振回路和电流检测电路。 电流感测电路向振荡器提供代表谐振回路中的电流的电流反馈信号。 电流反馈信号驱动镇流器电路的频率，使镇流器电路寻求谐振。 镇流器电路优选地包括电流耦合到谐振回路的限流电路。 当镇流器电路中的电流超过预定阈值或者超出预定范围时，电流限制电路禁止镇流器电路。

公开(公告)号：US09397524B2

公开(公告)日：2016-07-19

申请号：US15048141

申请日：2016-02-19

Applicant: Access Business Group International LLC

Inventor： Roy W. Kuennen ,  David W. Baarman ,  Scott A. Mollema ,  Ronald C. Markham ,  Dennis J. Denen

IPC: H05B41/36 ,  H05B37/02

CPC classification number: H02J50/10 ,  A61L2/10 ,  C02F1/001 ,  C02F1/008 ,  C02F1/32 ,  C02F1/325 ,  C02F9/005 ,  C02F2201/3228 ,  C02F2201/326 ,  C02F2209/005 ,  C02F2209/008 ,  C02F2209/40 ,  H01F38/14 ,  H02J50/80 ,  H02J50/90 ,  H05B37/00 ,  H05B37/0209 ,  H05B37/0218 ,  H05B37/0227 ,  H05B37/03 ,  H05B41/24 ,  H05B41/36 ,  Y02B20/19

Abstract: A ballast circuit is disclosed for inductively providing power to a load. The ballast circuit includes an oscillator, a driver, a switching circuit, a resonant tank circuit and a current sensing circuit. The current sensing circuit provides a current feedback signal to the oscillator that is representative of the current in the resonant tank circuit. The current feedback signal drives the frequency of the ballast circuit causing the ballast circuit to seek resonance. The ballast circuit preferably includes a current limit circuit that is inductively coupled to the resonant tank circuit. The current limit circuit disables the ballast circuit when the current in the ballast circuit exceeds a predetermined threshold or falls outside a predetermined range.

公开(公告)号：US09380676B2

公开(公告)日：2016-06-28

申请号：US13754321

申请日：2013-01-30

Applicant: Dialight Corporation

Inventor： David L. Bueno ,  Cameron L. Harvey

IPC: H05B37/02 ,  H05B41/24 ,  H02M5/293 ,  H02M1/12 ,  H02M1/42

CPC classification number: H05B37/0209 ,  H02M1/12 ,  H02M1/42 ,  H02M1/4225 ,  H02M5/04 ,  H02M5/293 ,  H05B37/02 ,  H05B37/0245 ,  H05B41/24 ,  Y02B70/126

Abstract: The present disclosure is directed to an alternating current (AC) to AC converter circuit for independently adjusting a current and voltage to adjust a light output of a light operating on AC power. In one embodiment, the AC to AC converter circuit includes a microprocessor, a first switch coupled to the microprocessor, a power factor controller (PFC) module coupled to the first switch, wherein the first switch is controlled by the microprocessor in accordance with a desired power output, one or more boost switches coupled to the PFC module, wherein the one or more boost switches are controlled by the PFC module as a function of an operation of the first switch and one or more load switches coupled to the one or more boost switches, wherein the one or more load switches are controlled by the microprocessor in accordance with the desired power output.

Abstract translation: 本公开涉及一种用于独立地调节电流和电压以调节在AC功率上工作的光的光输出的交流（AC）到AC转换器电路。 在一个实施例中，AC至AC转换器电路包括微处理器，耦合到微处理器的第一开关，耦合到第一开关的功率因数控制器（PFC）模块，其中第一开关由微处理器根据期望的 功率输出，耦合到PFC模块的一个或多个升压开关，其中所述一个或多个升压开关由所述PFC模块控制作为所述第一开关的操作和耦合到所述一个或多个升压的一个或多个负载开关的函数 开关，其中所述一个或多个负载开关由所述微处理器根据期望的功率输出来控制。

公开(公告)号：US20160064204A1

公开(公告)日：2016-03-03

申请号：US14843939

申请日：2015-09-02

Applicant: iUNU, LLC

Inventor： Adam Phillip Takla Greenberg ,  Kyle Terrence James Rooney ,  Travis Anthony Conrad

IPC: H01J65/04 ,  H05B37/02 ,  A01G7/04 ,  H01J61/52

CPC classification number: H01J65/042 ,  A01G7/045 ,  H01J61/52 ,  H05B37/0227 ,  H05B37/0245 ,  H05B41/24 ,  H05B41/2806 ,  Y02P60/146

Abstract: The user of plasma light technology and remote lighting control techniques may enable a single master controller to control a large number of lighting fixtures. Multiple lighting fixtures may be equipped with control applications. Each control application may control the radio frequency driver of a lighting fixture that drives the plasma bulbs of the lighting fixture to produce light output for growing plants. The master controlled may execute on one or more computing devices. The master controller may send input instructions to the control applications of the lighting fixtures via a network. The instructions may be implemented by the control applications to command the radio frequency drivers to regulate a spectral distribution and/or intensity of the light output of the lighting fixtures.

Abstract translation: 等离子体光技术和远程照明控制技术的用户可以使单个主控制器能够控制大量的照明装置。 多个照明灯具可能配备有控制应用。 每个控制应用可以控制驱动照明器具的等离子体灯泡的照明器具的射频驱动器以产生用于生长植物的光输出。 被控制的主机可以在一个或多个计算设备上执行。 主控制器可以通过网络向照明灯具的控制应用发送输入指令。 指令可以由控制应用来实现，以指示射频驱动器调节照明器具的光输出的光谱分布和/或强度。