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公开(公告)号:US20190098716A1
公开(公告)日:2019-03-28
申请号:US15903989
申请日:2018-02-23
Applicant: Lutron Electronics Co., Inc.
Inventor: Stuart W. DeJonge , Steven J. Kober , Mark S. Taipale
Abstract: A load control device (e.g., an LED driver) for controlling the intensity of a lighting load (e.g., an LED light source) may provide a wide output range and flicker-free adjustment of the intensity of the lighting load. The load control device may comprise a load regulation circuit, a control circuit, and a filter circuit (e.g., a boxcar filter circuit) that operates in a different manner in dependence upon a target current. When the intensity of the lighting load is near a low-end intensity, the control circuit may adjust an operating frequency of the load regulation circuit in response to the target current, and may control the filter circuit to filter a current feedback signal during a filter window that repeats on periodic basis. When the intensity of the lighting load is near a high-end intensity, the control circuit may control the filter circuit to constantly filter the current feedback signal.
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公开(公告)号:US20180302962A1
公开(公告)日:2018-10-18
申请号:US16016799
申请日:2018-06-25
Applicant: Lutron Electronics Co., Inc.
Inventor: Galen Edgar Knode , Steven J. Kober , Daniel Curtis Raneri , Richard M. Walsh, III
CPC classification number: H05B33/0815 , H02M5/04 , H05B33/0845 , H05B37/02 , H05B37/0245
Abstract: A control module is able to be installed with electrical devices, such as, for example electrical loads (e.g., lighting loads) and/or load regulation devices. The control module may determine whether an LED driver for an LED light source is responsive to one or more of a plurality of control techniques. The control module may be able to automatically determine an appropriate control technique to use to control the connected LED driver and/or LED light source. The control module may sequentially attempt to control the LED driver and/or LED light source using each of the plurality of control techniques and determine if the LED driver and/or LED light source is responsive to the present control technique. The plurality of control techniques may include one or more analog control techniques and one or more digital control techniques.
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3.
公开(公告)号:US10098196B2
公开(公告)日:2018-10-09
申请号:US15703300
申请日:2017-09-13
Applicant: Lutron Electronics Co., Inc.
Inventor: Steven J. Kober
Abstract: A load control device for regulating an average magnitude of a load current conducted through an electrical load may operate in different modes. The load control device may comprise a control circuit configured to activate an inverter circuit during an active state period and deactivate the inverter circuit during an inactive state period. In one mode, the control circuit may adjust the average magnitude of the load current by adjusting the inactive state period while keeping the active state period constant. In another mode, the control circuit may adjust the average magnitude of the load current by adjusting the active state period while keeping the inactive state period constant. In yet another mode, the control circuit may keep a duty cycle of the inverter circuit constant and regulate the average magnitude of the load current by adjusting a target load current conducted through the electrical load.
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公开(公告)号:US20180249543A1
公开(公告)日:2018-08-30
申请号:US15904130
申请日:2018-02-23
Applicant: Lutron Electronics Co., Inc.
Inventor: Steven J. Kober , Soma Sekhara Roa Konijeti , Rajesh Krishna Thottumkara , Keertana Veeranki
CPC classification number: H05B33/0848 , H02M1/36 , H02M3/33507 , H05B33/0815 , H05B37/0209
Abstract: A load control device may be configured to turn on lighting loads to obtain a fast turn-on time that may be substantially consistent across lighting loads that have different load voltages. The load control device may comprise a power converter circuit configured to produce a voltage across a capacitor, and a control circuit configured to control the power converter circuit to generate the voltage across the capacitor. The control circuit may determine a learned voltage from the magnitude of the voltage across the capacitor. For example, the control circuit may measure the magnitude of the voltage and store the measured voltage as the learned voltage. The control circuit may determine an operating parameter for the power converter circuit as a function of the learned voltage, and control the power converter circuit according to the operating parameter to charge the capacitor until the magnitude of the voltage exceeds a threshold.
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公开(公告)号:US20170150561A1
公开(公告)日:2017-05-25
申请号:US15422723
申请日:2017-02-02
Applicant: Lutron Electronics Co., Inc.
Inventor: Galen Edgar Knode , Steven J. Kober , Daniel Curtis Raneri , Richard M. Walsh, III
IPC: H05B33/08
CPC classification number: H05B33/0815 , H02M5/04 , H05B33/0845 , H05B37/02 , H05B37/0245
Abstract: A control module is able to be installed with electrical devices, such as, for example electrical loads (e.g., lighting loads) and/or load regulation devices. The control module may determine whether an LED driver for an LED light source is responsive to one or more of a plurality of control techniques. The control module may be able to automatically determine an appropriate control technique to use to control the connected LED driver and/or LED light source. The control module may sequentially attempt to control the LED driver and/or LED light source using each of the plurality of control techniques and determine if the LED driver and/or LED light source is responsive to the present control technique. The plurality of control techniques may include one or more analog control techniques and one or more digital control techniques.
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公开(公告)号:US20190191520A1
公开(公告)日:2019-06-20
申请号:US16278293
申请日:2019-02-18
Applicant: Lutron Electronics Co., Inc.
Inventor: Stuart W. DeJonge , Steven J. Kober , Mark S. Taipale
CPC classification number: H05B33/0851 , H05B33/0815 , H05B33/0824 , H05B33/089 , H05B37/029
Abstract: A load control device (e.g., an LED driver) for controlling the intensity of a lighting load (e.g., an LED light source) may provide a wide output range and flicker-free adjustment of the intensity of the lighting load. The load control device may comprise a load regulation circuit, a control circuit, and a filter circuit (e.g., a boxcar filter circuit) that operates in a different manner in dependence upon a target current. When the intensity of the lighting load is near a low-end intensity, the control circuit may adjust an operating frequency of the load regulation circuit in response to the target current, and may control the filter circuit to filter a current feedback signal during a filter window that repeats on periodic basis. When the intensity of the lighting load is near a high-end intensity, the control circuit may control the filter circuit to constantly filter the current feedback signal.
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公开(公告)号:US10314129B2
公开(公告)日:2019-06-04
申请号:US15904130
申请日:2018-02-23
Applicant: Lutron Electronics Co., Inc.
Inventor: Steven J. Kober , Soma Sekhara Rao Konijeti , Rajesh Krishna Thottumkara , Keertana Veeranki
Abstract: A load control device may be configured to turn on lighting loads to obtain a fast turn-on time that may be substantially consistent across lighting loads that have different load voltages. The load control device may comprise a power converter circuit configured to produce a voltage across a capacitor, and a control circuit configured to control the power converter circuit to generate the voltage across the capacitor. The control circuit may determine a learned voltage from the magnitude of the voltage across the capacitor. For example, the control circuit may measure the magnitude of the voltage and store the measured voltage as the learned voltage. The control circuit may determine an operating parameter for the power converter circuit as a function of the learned voltage, and control the power converter circuit according to the operating parameter to charge the capacitor until the magnitude of the voltage exceeds a threshold.
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公开(公告)号:US20190141805A1
公开(公告)日:2019-05-09
申请号:US16238951
申请日:2019-01-03
Applicant: Lutron Electronics Co., Inc.
Inventor: Galen Edgar Knode , Steven J. Kober , Daniel Curtis Raneri , Richard M. Walsh, III
Abstract: A control module is able to be installed with electrical devices, such as, for example electrical loads (e.g., lighting loads) and/or load regulation devices. The control module may determine whether an LED driver for an LED light source is responsive to one or more of a plurality of control techniques. The control module may be able to automatically determine an appropriate control technique to use to control the connected LED driver and/or LED light source. The control module may sequentially attempt to control the LED driver and/or LED light source using each of the plurality of control techniques and determine if the LED driver and/or LED light source is responsive to the present control technique. The plurality of control techniques may include one or more analog control techniques and one or more digital control techniques.
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公开(公告)号:US10009969B2
公开(公告)日:2018-06-26
申请号:US15422723
申请日:2017-02-02
Applicant: Lutron Electronics Co., Inc.
Inventor: Galen Edgar Knode , Steven J. Kober , Daniel Curtis Raneri , Richard M. Walsh, III
IPC: H05B33/08
CPC classification number: H05B33/0815 , H02M5/04 , H05B33/0845 , H05B37/02 , H05B37/0245
Abstract: A control module is able to be installed with electrical devices, such as, for example electrical loads (e.g., lighting loads) and/or load regulation devices. The control module may determine whether an LED driver for an LED light source is responsive to one or more of a plurality of control techniques. The control module may be able to automatically determine an appropriate control technique to use to control the connected LED driver and/or LED light source. The control module may sequentially attempt to control the LED driver and/or LED light source using each of the plurality of control techniques and determine if the LED driver and/or LED light source is responsive to the present control technique. The plurality of control techniques may include one or more analog control techniques and one or more digital control techniques.
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10.
公开(公告)号:US10306723B2
公开(公告)日:2019-05-28
申请号:US16118419
申请日:2018-08-30
Applicant: Lutron Electronics Co., Inc.
Inventor: Steven J. Kober
Abstract: A load control device for regulating an average magnitude of a load current conducted through an electrical load may operate in different modes. The load control device may comprise a control circuit configured to activate an inverter circuit during an active state period and deactivate the inverter circuit during an inactive state period. In one mode, the control circuit may adjust the average magnitude of the load current by adjusting the inactive state period while keeping the active state period constant. In another mode, the control circuit may adjust the average magnitude of the load current by adjusting the active state period while keeping the inactive state period constant. In yet another mode, the control circuit may keep a duty cycle of the inverter circuit constant and regulate the average magnitude of the load current by adjusting a target load current conducted through the electrical load.
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