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Carsten Deppe, Aachen DE

Carsten Deppe, Aachen DE

Patent application numberDescriptionPublished
20080203823Arrangement for Converting Mechanical Energy Into Electrical Energy - The invention relates to an arrangement for converting mechanical energy into electrical energy comprising a piezo-electric auxiliary generator producing an auxiliary voltage and a main generator which is coupled mechanically with the auxiliary generator and producing the electrical energy.08-28-2008
20080203939Method and Arrangement for Monitoring a Gas Discharge Lamp - The invention relates to a method and an arrangement (08-28-2008
20080246926Method For Operating a High-Intensity Discharge Lamp, Lamp Driver and Projection System - There is described a method for operating a high-intensity discharge lamp (10-09-2008
20080252351Generating a Pulse Signal with a Modulated Duty Cycle - Generating an output pulse signal (Y), which has an output signal period (T10-16-2008
20080258638Method and Circuit Arrangement for Operating a High-Pressure Gas Discharge Lamp - A description is given of a method and a circuit arrangement for operating a high-pressure gas discharge lamp with a lamp current superposed with first current pulses, in particular in a system for the time-sequential production of (primary) colors and possibly white segments, from which an image to be displayed is synthesized, in which, in order to change or correct color and/or brightness properties of the image, the first current pulses are adjusted with regard to their amplitude and/or temporal length and/or temporal position relative to the production of the colors and/or white segments. A description is also given of a projection system comprising such a circuit arrangement.10-23-2008
20080259020Scanning Backlight For a Matrix Display - A scanning backlight unit (BU) for a matrix display comprises a plurality of light sources (L10-23-2008
20080273179Projection System and Method for Operating a Projection System - A method for operating a projection system (11-06-2008
20080309249Gas Discharge Lamp Ignition - Ignition of a gas discharge lamp 12-18-2008
20090021456METHOD OF COLOUR IMAGE PROJECTION USING SPATIAL LIGHT MODULATION AND LIGHT SOURCE MODULATION - The present invention relates to a method of operating a projection system comprising several solid state light sources (01-22-2009
20090051300METHOD AND DRIVING UNIT FOR DRIVING A GAS DISCHARGE LAMP - This invention describes a method for driving a gas discharge lamp (02-26-2009
20090147223PROJECTION SYSTEM AND METHOD FOR OPERATING A DISCHARGE LAMP - A projection system and a method for operating a discharge lamp are described. The protection system comprises a discharge lamp 06-11-2009
20090167211METHOD OF DRIVING A DISCHARGE LAMP, AND DRIVING UNIT - The invention describes a method of driving a discharge lamp (07-02-2009
20090261756METHOD OF SHUTTING DOWN A HIGH PRESSURE DISCHARGE LAMP AND DRIVING UNIT FOR DRIVING A HIGH PRESSURE DISCHARGE LAMP - The invention describes a method of shutting down a high pressure discharge lamp (10-22-2009
20100033516METHOD OF ADJUSTING THE LIGHT OUTPUT OF A PROJECTOR SYSTEM, AND SYSTEM FOR ADJUSTING THE LIGHT OUTPUT OF A PROJECTOR SYSTEM - The invention describes a method of adjusting the light output of a projector system comprising a light source (02-11-2010
20100091807DRIVER CIRCUIT FOR LOADS SUCH AS LED, OLED OR LASER DIODES - A driver circuit 04-15-2010
20100134765METHOD OF DRIVING A DISCHARGE LAMP IN A PROJECTION SYSTEM, AND DRIVING UNIT - The invention describes a method of driving a discharge lamp (06-03-2010
20100141906METHOD FOR DRIVING A HIGH-PRESSURE GAS DISCHARGE LAMP OF A PROJECTOR SYSTEM - A method for driving a high-pressure gas discharge lamp of a projector system, which is suitable to produce and to supply to a light valve device during a projection interval (06-10-2010
20100164383METHOD OF DRIVING A DISCHARGE LAMP, DRIVING ARRANGEMENT, AN PROJECTOR SYSTEM - The invention describes a method of driving a discharge lamp (07-01-2010
20100171771METHOD AND APPARATUS FOR DRIVING LIGHT EMITTING ELEMENTS FOR PROJECTION OF IMAGES - A light source sequentially emits lights generated by at least three light emitting elements each emitting a different primary color to generate an image. Each light emitting element has a duty cycle in a lighting period, which may be an image frame period. A sequence scheme is provided for alternatingly driving different ones of the light emitting elements. The light emitting elements are driven in accordance with the sequence scheme at least two times in the lighting period, while maintaining the duty cycle for each light emitting element. In the sequence scheme, at least one light emitting element having the highest temperature sensitivity of all light emitting elements is driven more times than another one.07-08-2010
20100188007SUPPLYING A SIGNAL TO A LIGHT SOURCE - Supply circuits for supplying voltage and current signals to light sources (07-29-2010
20100253302POWER SUPPY CIRCUIT - The invention relates to a power supply circuit (10-07-2010
20100264848METHOD OF SHUTTING DOWN A HIGH PRESSURE DISCHARGE LAMP AND DRIVING UNIT FOR DRIVING A HIGH PRESSURE DISCHARGE LAMP - The invention describes a method of shutting down a high pressure discharge lamp (10-21-2010
20100325456CONTROLLING THE POWER CONSUMPTION OF A RECEIVING UNIT - An average power consumption of receiving units (12-23-2010
20110148317METHOD FOR DRIVING A HIGH-PRESSURE GAS DISCHARGE LAMP OF A PROJECTOR SYSTEM - A method for driving a high-pressure gas discharge lamp of a projector system, which is suitable to produce and to supply to a light valve device during a projection interval (06-23-2011

Patent applications by Carsten Deppe, Aachen DE