De Rooij
Arie Maurits De Rooij, Sprang-Capelle NL
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20110271912 | Device For Treating Animals, Comprising A Tray Which Is Suitable To Be Trod Upon By The Animals | 11-10-2011 |
Friso De Rooij, Amsterdam NL
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20150119622 | CATALYST FOR ALKANE OXIDATIVE DEHYDROGENATION AND/OR ALKENE OXIDATION - The invention relates to a process for treating a catalyst for alkane oxidative dehydrogenation and/or alkene oxidation, which catalyst is a mixed metal oxide catalyst containing molybdenum, vanadium and niobium, wherein the process comprises: contacting the catalyst with a gas mixture comprising an inert gas and oxygen (02), wherein the amount of oxygen is of from 10 to less than 10,000 parts per million by volume (ppmv), based on the total volume of the gas mixture, at an elevated temperature. | 04-30-2015 |
Gerardus Martinus Antonius De Rooij, Tilburg NL
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20110116060 | LITHOGRAPHIC APPARATUS, REMOVABLE MEMBER AND DEVICE MANUFACTURING METHOD - A member is provided to prevent immersion liquid ingress to a gap between components or to adhere to at least one component to provide a surface to a feature of an immersion system. The member has a plastic sealing portion that is adhered to the component(s). The plastic sealing portion is opaque to DUV radiation. It may be resistant to degradation through exposure to DUV radiation. It may have a liquid phobic coating or property. | 05-19-2011 |
20110199592 | LITHOGRAPHIC APPARATUS, REMOVABLE MEMBER AND DEVICE MANUFACTURING METHOD - A sealing member is provided to prevent immersion liquid ingress to a gap between components. The sealing member has a plastic or polymer sealing portion that is adhered to the components forming the gap being sealed. The sealing member is constructed so as to reduce the force-coupling, in particular the time-related force-coupling, between the components being sealed. | 08-18-2011 |
Michael A. De Rooij, Palm Springs, CA US
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20150049528 | METHOD FOR OPERATING A NON-ISOLATED SWITCHING CONVERTER HAVING SYNCHRONOUS RECTIFICATION CAPABILITY SUITABLE FOR POWER FACTOR CORRECTION APPLICATIONS - A power factor correction (PFC) boost circuit. The PFC boost circuit can include a first switching device, a second switching device, a first gate driver coupled to the first switching device, a second gate driver coupled to the second switching device, and a PFC controller configured to control the first and second gate drivers. The PFC controller will utilize a new technique, referred to herein as “predictive diode emulation” to control the switching devices in a desired manner and to overcome inefficiencies and other problems that might arise using traditional diode emulation. The PFC controller is configured to operate in synchronous and non-synchronous modes. | 02-19-2015 |
20150061777 | DEVICE AND METHOD FOR BIAS CONTROL OF CLASS A POWER RF AMPLIFIER - A circuit and technique are provided to control bias setting to an FET based common source RF amplifier that can operate with large signals present. The circuit and technique described herein use a second FET in an identical circuit having the gate circuits connected in parallel and being sourced by the same drain voltage that serves as a reference to a first circuit bias setting. The drain current in a first FET will include both the bias and RF amplification current, whereas the second FET only carries the bias current. Because the devices and circuits are matched, the gate voltage variations will appear in both FETs thereby providing regulation of the drain current. | 03-05-2015 |
20150069855 | HIGH EFFICIENCY VOLTAGE MODE CLASS D TOPOLOGY - A high efficiency voltage mode class D amplifier and energy transfer system is provided. The amplifier and system includes a pair of transistors connected in series between a voltage source and a ground connection. Further, a ramp current tank circuit is coupled in parallel with one of the pair of transistors and a resonant tuned load circuit is coupled to the ramp current tank circuit. The ramp current tank circuit can include an inductor that absorbs an output capacitance C | 03-12-2015 |
Michael Andrew De Rooij, Palm Springs, CA US
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20130039028 | INTEGRAL MODULE POWER CONDITIONING SYSTEM - An integral solar module power conditioning system includes one or more solar module support frames. Each frame includes a plurality of plug-and-play electrical connectors integrated therewith. A microinverter or microinverter connector is also integrated with each frame. Each frame is configured to receive a respective solar electric module and to carry electrical power through a plurality of solar electric modules and corresponding microinverters connected together via a plurality of solar module support frames connected together via the plurality of integrated plug-and-play electrical connectors. | 02-14-2013 |
Michael Andrew De Rooij, Sparks, NV US
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20100277836 | SMART CAPACITOR - A smart capacitor includes a main capacitor having at least one intelligence mechanism selected from a prognostics mechanism and a high speed protection mechanism integrated within the main capacitor. The at least one intelligence mechanism and the main capacitor are together configured to generate at least one type of output signal selected from long term induced failure mechanism signals and sudden capacitor failure condition signals in response to desired input signals. | 11-04-2010 |
20100301676 | SOLAR POWER GENERATION SYSTEM INCLUDING WEATHERABLE UNITS INCLUDING PHOTOVOLTAIC MODULES AND ISOLATED POWER CONVERTERS - A power generation system including a plurality of isolated power converters and a plurality of first weatherable units is provided. Each of the isolated power converters includes a primary stage, a secondary stage and a transformer providing an electrically contactless connection between the primary and secondary stages. The first weatherable unit includes a photovoltaic module coupled to the primary stage of a respective one of the plurality of isolated power converters and a primary side of the transformer. The system further includes a plurality of second units, each having a second side of the transformer coupled to the secondary stage of a respective one of the plurality of isolated power converters. The system also includes a direct current (DC) to alternating current (AC) inverter and a connection unit for coupling the secondary stages of the isolated power converter and the DC to AC inverter. The DC to AC inverter is configured to transfer power from the photovoltaic module to a power grid. | 12-02-2010 |
20100328012 | PLANAR, HIGH VOLTAGE EMBEDDED TRANSFORMER FOR ANALOG AND DIGITAL DATA TRANSMISSION - A transformer includes a flex or printed circuit board consisting of a substrate material having a desired permitivity, and at least one primary winding and at least one secondary winding. Each winding is integrated with the flex or printed circuit board such that one or more respective transformer parasitic elements and the substrate permitivity between the primary and secondary windings together are tuned to a desired parallel resonant frequency. | 12-30-2010 |
Michael Andrew De Rooij, Clifton Park, NY US
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20080308141 | PHOTOVOLTAIC POWER CONVERTER SYSTEM WITH A CONTROLLER CONFIGURED TO ACTIVELY COMPENSATE LOAD HARMONICS - Photovoltaic power converter system including a controller configured to reduce load harmonics is provided. The system comprises a photovoltaic array and an inverter electrically coupled to the array to generate an output current for energizing a load connected to the inverter and to a mains grid supply voltage. The system further comprises a controller including a first circuit coupled to receive a load current to measure a harmonic current in the load current. The controller includes a second circuit to generate a fundamental reference drawn by the load. The controller further includes a third circuit for combining the measured harmonic current and the fundamental reference to generate a command output signal for generating the output current for energizing the load connected to the inverter. The photovoltaic system may be configured to compensate harmonic currents that may be drawn by the load. | 12-18-2008 |
Nicolaas De Rooij, Neuchatel CH
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20080204879 | Miniature Lamellar Grating Interferometer Based on Silicon Technology - A lamellar grating interferometer is described, in which the light beams are collimated and focused onto the grating by means of mirror | 08-28-2008 |
Nicolaas F. De Rooij, Neuchatel CH
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20080303781 | Shutter Device For Pixel Element and Pixel Arrangement - A micro electromechanical shutter device and a pixel arrangement in which respective shutter elements are configured to controllably take a first geometrical state open and a second geometrical state closed by different degrees of actuation, and wherein the first geometrical state of the shutter element is configured to correspond to a non-actuated rest state of the shutter element. | 12-11-2008 |
Rudolf Cornelis Maria De Rooij, Sunnyvale, CA US
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20150073871 | PROVIDING TREND DATA FOR PRODUCT CONTENT - Systems and methods for providing display data indicative of trend data include providing, at a server, a set of queries for product content, wherein the product content comprises attributes of a product; receiving, at the server, a request to sort results from the set of queries based on the attribute and on a time period; generating a value based on the sorted query results and the time period; aggregating each value for each time period with values from other results from other queries within the time period; storing the aggregated value in a database; retrieving the stored value to determine trend data relating to the product content; and providing display data indicative of the trend data. | 03-12-2015 |
Werner Hendrikus Johannes Adrianus De Rooij, Terheijden NL
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20130073137 | VEHICLE FOR DISPLACING FEED - The invention provides an autonomous vehicle for displacing feed laterally, comprising a frame having two separately drivable rear wheels and a front supporting point, and a feed displacer in the form of an annular element which is freely rotatable and has a radius r, said element forming the outer circumference of the vehicle. In order to enhance the control stability, the rear wheels are situated at a distance of less than a radius from the geometric centre of the vehicle. | 03-21-2013 |