Deurenberg, NL
Marc Wilhelmus Gijsbert Deurenberg, Eindhoven NL
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20100001666 | MICRO-ELECTRO-MECHANICAL SYSTEM WITH ACTUATORS - The invention relates to a micro-electro-mechanical system comprising a ciliary actuator ( | 01-07-2010 |
Peter Deurenberg, S-Hertogenbosch NL
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20140333224 | SWITCHED MODE POWER CONVERTER AND METHOD OF OPERATING THE SAME - A switched mode power converter is disclosed, together with a method for operating the same. The power converter is adapted to be operable in the boundary conduction mode, and operation is interruptible in the absence of any load requirement. | 11-13-2014 |
Peter H.f. Deurenberg, Eindhoven NL
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20100061094 | LIGHT GUIDE ARRANGEMENT WITH STITCHED WIRE - A light guide arrangement comprising a light guide ( | 03-11-2010 |
Peter H. F. Deurenberg, S-Hertogenbosch NL
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20100320941 | MULTI-CORE LIGHT ENGINE ARCHITECTURE - The present invention relates to a LED lighting system ( | 12-23-2010 |
20110001440 | LIGHT COLOR TUNABILITY - The application relates to setting color point and light intensity. By controlling the phase as well as the amplitudes of a driving voltage for a lighting device, the color point as well as the light intensity of a lighting device may be set. | 01-06-2011 |
20110031900 | CONTROLLER AND METHOD OF OPERATING A CONTROLLER - A controller for controlling a power generator circuit, and a method for operation such a controller, is disclosed. The invention is particularly suited to LED current generators. The current generator may be switched off to conserve power when not required for any LED circuits. The method relates to determining the time at which the controller is required to provide power, current or voltage, and to adjust the timing of switching-on of the controller, in order to ensure that power, current or voltage is available for the load when required. | 02-10-2011 |
Peter Hubertus Deurenberg, Eindhoven NL
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20090008655 | White Light Source - A white light source ( | 01-08-2009 |
Peter Hubertus Franciscu Deurenberg, Eindhoven NL
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20100148675 | METHOD AND SYSTEM FOR CONTROLLING THE OUTPUT OF A LUMINAIRE - The present invention relates to a method of controlling the output of a luminaire comprising an array of LEDs emitting light of at least one color. The array has single color LED groups, wherein each group consists of at least one LED. The method comprises the following steps for each LED group:spectrally filtering the light emitted by the LED group by means of a first filter as well as by means of a second filter; detecting the spectrally filtered light from said first and said second filter and generating respective first and second response signals, wherein the levels of said first and second response signals are related to the respective amounts of detected spectrally filtered light; and controlling the light output of said LED group on the basis of said first and second response signals, wherein the filter characteristics of said first and said second filter are at least partly non-overlapping. The invention also relates to a corresponding control system for performing the method. | 06-17-2010 |
Peter Hubertus Franciscus Deurenberg, Hertogenbosch NL
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20100072901 | METHOD AND DRIVER FOR DETERMINING DRIVE VALUES FOR DRIVING A LIGHTING DEVICE - The present invention relates to a method for determining drive values for driving a lighting device at a desired brightness and color. The method comprising the steps of determining a first luminous flux weight ratio based on the desired color and a first drive current for driving each of the differently colored LEDs, determining a first luminous flux for each of the differently colored LEDs based on the desired brightness and the first luminous flux weight ratio, comparing, for each of the differently colored LEDs, the first luminous flux with a nominal luminous flux for a plurality of different drive currents, selecting, for each of the differently colored LEDs, a preferred drive current that at least can produce the first luminous flux, determining a second luminous flux weight ratio based on the desired color and the selected drive currents for each of the differently colored LEDs, determining a second luminous flux for each of the differently colored LEDs based on the desired brightness and the second luminous flux weight ratio, and determining a duty cycle for each of the differently colored LEDs at the selected drive currents, wherein the selected currents at the determined duty cycles produces the second luminous flux for each of the differently colored LEDs. The present invention provides for the possibility to limit the number of necessary computational steps for determining preferred drive currents. Furthermore, an increase in number of current level and/or differently colored LEDs would only slightly increase the computational cost. | 03-25-2010 |
20100109567 | TILED LIGHTING DEVICE - The present invention relates to a lighting device ( | 05-06-2010 |
Peter Hubertus Franciscus Deurenberg, S-Hertogenbosch NL
Patent application number | Description | Published |
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20100091488 | LUMINAIRE ARRANGEMENT WITH COVER LAYER - A luminaire arrangement for providing a luminous flux in a target direction (z) comprising a light guide ( | 04-15-2010 |
20100194293 | LIGHT EMITTING UNIT ARRANGEMENT AND CONTROL SYSTEM AND METHOD THEREOF - The present invention relates to a control system ( | 08-05-2010 |
20110026580 | ROTATING PULSE-WIDTH MODULATOR - A driver for driving an LED uses PWM in a sequence of the periods. The driver has a modulo counter, that is reset after each period. The driver has a first adder for combining the count value with a quantity indicative of a shift of the LED's control pulse relative to the start of the period; a second adder for combining the count value with a width quantity indicative of a width of the control pulse; and a logic gate receiving the MSBs at the outputs of the adders and supplying the control pulse. | 02-03-2011 |
20110109247 | SWITCHED MODE POWER CONVERTER AND METHOD OF OPERATING THE SAME - A switched mode power converter is disclosed, together with a method for operating the same. The power converter is adapted to be operable in the boundary conduction mode, and operation is interruptible in the absence of any load requirement. | 05-12-2011 |
20110149444 | SURGE PROTECTION CIRCUIT - A surge protection circuit is disclosed for an electrical Load which may be for instance an LED load which is directly connected to a supply such as mains supply, and comprises a plurality of switches which are distributed across a plurality of semiconductor die. A surge detector detects the start of a spike in the supply, which results from, for example the commencement or interruption of a nearby inductive load, and opens all the switches. By distributing the switches across multiple die the peak voltage across each is reduced relative to using a single die; thereby each die can stay within the absolute maximum voltage capacity. Each die may have its own surge detector; alternatively, a single surge detector may be used which communicates with the switches on each of the die. In an extension the bridge rectifier may be integrated into the circuit distributed across the die. In this embodiment additional inter-die clamping diodes are required to prevent unsafe floating of the edge connections of each die. | 06-23-2011 |
20110241556 | METHOD OF CONTROLLING A FLUORESCENT LAMP, A CONTROLLER AND A FLUORESCENT LAMP - A method of controlling a Fluorescent Lamp (CFL) is disclosed, which enables the lamp to be dimmed during a quick-start mode in which the lamp current may be boosted. The method involves determining a boost value and a dimming value, and controlling the lamp power in dependence on the boost and dimming values. A dimming threshold may be set, below which (i.e. at dimmer output light levels) the boost function is disabled. Hysteresis may be included in the control, in order to avoid hopping between modes. A controller for use with a fluorescent lamp which is adapted to operate according to such a method and a fluorescent lamp using such a controller are also disclosed. | 10-06-2011 |
20110285303 | DIMMER CONTROL CIRCUIT FOR SELECTING BETWEEN STEP DIMMING MODE AND PHASE-CUT DIMMING MODE - The present invention relates to a dimmer control circuit ( | 11-24-2011 |
20120001570 | METHOD OF CONTROLLING AN LED, AND AN LED CONTROLLER - A method is disclosed of controlling a LED, comprising driving the LED with a DC current for a first time, interrupting the DC current for a second time such that the first time and the second time sum to a period, determining at least one characteristic of the LED whilst the DC current is interrupted, and controlling the DC current during a subsequent period in dependence on the at least one characteristic. The invention thus benefits from the simplicity of DC operation. By operating at the LED in a DC mode, rather than say in a PWM mode, the requirement to be able to adjust the duty cycle is avoided. By including interruptions to the DC current, it is possible to utilise the LED itself to act as a sensor in order to determine a characteristic of the LED. The need for additional sensors is thereby avoided. | 01-05-2012 |
20120119652 | METHOD OF CONTROLLING AN ELECTRONIC BALLAST, AN ELECTRONIC BALLAST AND A LIGHTING CONTROLLER - A method of controlling an electronic ballast for a lighting circuit, the ballast including a bleeder, for use with dimmer circuits, by, in response to a mains supply being connected to the lighting circuit, determining whether a dimmer circuit is present in the lighting circuit; and in response to determining a dimmer circuit is not present, disconnecting the bleeder from the lighting circuit at least until the mains supply is disconnected. The method may be used during, and the determination of whether a dimmer circuit is present is stored at least until the mains supply is disconnected. Determination of either a leading or trailing edge phase cut dimmer may be made by looking for deviation from the expected sine-wave voltage, either directly through temporal or voltage deviation, or indirectly by examining the second differential of the voltage with respect to time. | 05-17-2012 |
20130120992 | LIGHTING MODULE AS A TOOL FOR CONNECTING/DISCONNECTING ANOTHER LIGHTING MODULE - A lighting module ( | 05-16-2013 |
20130334977 | SWITCHED MODE POWER CONVERTER AND METHOD OF OPERATING THE SAME - A switched mode power converter is disclosed, together with a method for operating the same. The power converter is adapted to be operable in the boundary conduction mode, and operation is interruptible in the absence of any load requirement. | 12-19-2013 |
20140036474 | Lighting assembly and socket - A lighting assembly ( | 02-06-2014 |
20150035452 | LED LIGHTING SYSTEM - The invention relates to LED lighting system comprising a power supply circuit and one or more LED modules. The power supply circuit is equipped with input terminals (K | 02-05-2015 |
Pieter Hubertus Franciscus Deurenberg, Eindhoven NL
Patent application number | Description | Published |
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20080297072 | Lighting System Comprising Interconnectable Lighting Modules - This invention relates to a lighting system. The lighting system includes a plurality of interconnectable polygonal lighting modules, wherein each lighting module has a plurality of connection members each including at least one electrical terminal. The connection members are arranged rotationally symmetrically at the lighting module. The lighting system further includes bridge members. Each bridge member has bridge terminals and is mountable at neighboring connection members of different lighting modules, to form a bridge providing an electric connection between connection terminals of the different connection members. | 12-04-2008 |
20120104976 | LIGHTING SYSTEM COMPRISING INTERCONNECTABLE LIGHTING MODULES - This invention relates to a lighting system. The lighting system includes a plurality of interconnectable polygonal lighting modules, wherein each lighting module has a plurality of connection members each including at least one electrical terminal. The connection members are arranged rotationally symmetrically at the lighting module. The lighting system further includes bridge members. Each bridge member has bridge terminals and is mountable at neighboring connection members of different lighting modules, to form a bridge providing an electric connection between connection terminals of the different connection members. | 05-03-2012 |