Thomas Ertl
Thomas Ertl, Florstadt DE
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20100239996 | METHOD FOR DETERMINING THE POSITION OF AN INTRAORAL MEASURING DEVICE - A method for determining the position of an intraoral measuring device which is to be moved relative to an organ of mastication of a patient and with which positions in the organ of mastication or areas of the organ of mastication are measured. To be able to carry out measurements without a fixed reference, it is proposed that, independently of a reference that is independent of the patient, the position of the measuring device is measured by means of a position-determining sensor that is in a fixed relationship to the measuring device. | 09-23-2010 |
20110194121 | METHOD AND APPARATUS FOR DETECTING CONTOUR DATA AND/OR OPTICAL CHARACTERISTICS OF A THREE-DIMENSIONAL SEMITRANSPARENT OBJECT - A method for detecting contour data of a three-dimensional object, where a grid of illumination points of a multi-point illumination is projected onto the object using an optical device and the illumination points are then projected back onto a sensor containing pixels. In order to improve signal-noise ratio and reduce background signal, it is proposed that a grid of illumination points of at least two multi-point illuminations are projected onto the object, that the beams of the illuminating points of are modulated in intensity and that a frequency-selective and/or phase-selective detection is performed of mutually associated first and second illumination points back-projected onto the sensor. The first illumination points derive from a first of the multipoint illuminations and the second illumination points derive from a second of the multipoint illuminations. Differences in intensity and/or frequency of the measurement signals of adjacent pixels of the sensor on which the mutually associated first and second image points are depicted are evaluated for the purposes of determining the contour data. | 08-11-2011 |
20120133742 | GENERATING A TOTAL DATA SET - The invention relates to generating a total data set of at least one segment of an object for determining at least one characteristic by merging individual data sets determined by means of an optical sensor moving relative to the object and of an image processor, wherein individual data sets of sequential images of the object contain redundant data that are matched for merging the individual data sets. In order that the data obtained by scanning the object are of sufficient quantity for performing an optimal analysis, but without being too great an amount of data for processing, the invention proposes that individual data sets determined per unit of time be varied as a function of the relative motion between the optical sensor and the object. | 05-31-2012 |
20120224756 | METHOD AND ARRANGEMENT FOR DETERMINING A COMBINED DATA RECORD FOR A MASTICATORY ORGAN TO BE MEASURED - A method for determining a combined data record for an object using individual data records based on individual scans of the object, the scans being measured using at least one sensor. To avoid accumulating errors and allow individual data to be rectified or corrected, first partial scans of the object are measured using at least one first sensor and are aligned relative to one another and/or corrected using second partial scans performed by at least two second sensors that are stationary relative to one another, and the individual data records for the combined data record are determined from the aligned and/or corrected partial scans. | 09-06-2012 |
Thomas Ertl, Muenchen DE
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20100074764 | Compressed Air Supply System for a Commercial Vehicle and Method for Operating Said Compressed Air Supply System - A compressed air supply system for a utility vehicle includes a compressed air inlet that can be coupled to a compressor, a filter unit that can be coupled to the compressed air inlet via a supply line, a discharge valve element that is coupled to a discharge outlet and the supply line, an energy-saving control outlet that can be coupled to a control inlet of the compressor, a supply line locking valve element interposed between the compressor and the filter unit and a first valve element and a second valve element, the discharge valve element, the energy saving control outlet, the regeneration of the filter unit and the supply line locking valve element being controllable by the valve elements. The energy saving control outlet can be controlled by the first valve element and the discharge valve element and the regeneration of the filter unit can be controlled by the second valve element. The supply line locking valve element is closed during the regeneration phase of the filter unit and can be transferred into an opened switching state when not in the regeneration state and when the discharge valve element is closed and the energy saving control outlet is aerated. | 03-25-2010 |
20100186827 | Device for the Processing of Compressed Air, and Method for the Operation Thereof - A device for processing compressed air for a commercial vehicle is provided. The device includes an inlet connection for connecting a compressor, an air dryer unit, a first solenoid valve for pneumatically shutting off the compressor and blocking a pipe that is connected to the compressor, and a second solenoid valve for controlling a backflow of air to regenerate the air filter unit. Loss of compressed air during regeneration in the pressure in a pipe located between the compressor and a stop valve upstream of the air filter unit is minimized by exciting the first solenoid valve. Different methods for operating the compressed air processing device are also provided. | 07-29-2010 |
Thomas Ertl, Tubingen DE
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20090278937 | Video data processing - An embodiment of the present invention relates to systems and methods for dynamically detecting and visualizing actions and/or events in video data streams. In one embodiment, a method involves dynamically detecting and extracting objects and attributes relating to the objects from a video data stream by using action recognition filtering for attribute detection and time series analysis for relation detection among the extracted objects. In addition, the method may involve dynamically generating a multi-field video visualization along a time axis by depicting the video data stream as a series of frames at a relatively sparse or dense interval, and by continuously rendering the attributes relating to the objects with substantially continuous abstract illustrations. Finally, a method may also involve dynamically combining detection, and extraction of objects and combining with multi-field visualization in a video perpetuo gram (VPG), which may show a video stream in parallel, and which allows for real-time display and interaction. | 11-12-2009 |
Thomas Ertl, Dreieich DE
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20090087811 | Method for measuring a body having at least one semitransparent layer - The invention relates to a method for detecting properties or alterations in at least one semitransparent layer of a body of a tooth by applying light escaping from at least one light guide via the front thereof to the body, as well as for recording at least one area of the body by means of a camera and subsequently assessing the image determined by the sensor. In order to be able to detect alterations or properties with high accuracy and a high image quality, it is proposed to place the front of the light guide on the body in order to subject the body to the light of the light guide. | 04-02-2009 |
20090268208 | METHOD AND DEVICE FOR DETECTING THE CONTOUR DATA AND/OR OPTICAL CHARACTERISTICS OF A THREE-DIMENSIONAL SEMI-TRANSPARENT OBJECT - A method and device for detecting the contour data and/or optical characteristics of an object, such as a tooth or a tooth restoration, based on an interference and/or autocorrelation measurement using an image sensor. To permit an exact surface detection in addition to a determination of the optical characteristics of the object, individual light beams strike the object, which are located at a distance from one another in such a way that no impact of reflected individual light beams takes place on immediately adjacent pixels of the image sensor. | 10-29-2009 |
Thomas Ertl, Bisingen DE
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20090008310 | INTEGRATED BLOOD TREATMENT MODULE - An integrated blood treatment module comprises a blood treatment device ( | 01-08-2009 |
20090057225 | Filtration Membrane - The invention is directed to a ultrafiltration membrane that is capable for the retention of endotoxines and cytokine inducing substances (CIS) including bacterial DNA and/or DNA fragments from fluid and/or liquid media. The invention is further directed to a method of manufacturing such ultrafiltration membranes in a high quality and in an effective and time saving procedure, and to the use of such membranes for the retention of substances from fluids or liquids. The ultrafiltration membrane of the invention consists of a polymer blend comprising at least one hydrophobic polymer containing sulfur in its back bone, at least one hydrophilic, uncharged homo-polymer of polyvinylpyrrolidone and at least one polymer containing cationic charges. The method of manufacturing such a ultrafiltration membrane comprises dissolving at least one hydrophobic polymer containing sulfur in its back bone and at least one hydrophilic, uncharged polyvinylpyrrolidone and at least one polymer containing cationic charges in at least one solvent to form a polymer solution, subjecting the formed polymer solution to a diffusion-induced phase separation to prepare a ultrafiltration membrane, washing and subsequently drying of the ultrafiltration membrane. | 03-05-2009 |
20090084720 | Degassing Device and End-Cap Assembly for a Filter Including such a Degassing Device - A degassing device ( | 04-02-2009 |
20120305486 | HIGH CUT-OFF HEMODIALYSIS MEMBRANE FOR USE IN LIVER DIALYSIS - A system for liver dialysis makes use of a high cut-off hemodialysis membrane for removing water-soluble and protein-bound toxins from the blood of a person in need. A high cut-off hollow fiber hemodialysis membrane has improved potential to remove albumin-bound toxins and inflammatory mediators. | 12-06-2012 |
Thomas Ertl, Gottmadingen DE
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20080245844 | Method for Welding Two Welding Parts by Means of a Fillet Weld and Welding Part with an Inclined Tapered Edge Area Therefor - The invention relates to a method for welding two welding parts ( | 10-09-2008 |
Thomas Ertl, Ranstadt-Dauernheim DE
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20120040305 | IMAGING DEVICE FOR DENTAL INSTRUMENTS AND METHODS FOR INTRA-ORAL VIEWING - The present application relates to an apparatus and method in the field of dentistry and in particular to optical tools for diagnosis and imaging. It is a problem of the prior art that the use of fibre optic components yield a bulky dental camera with poor resolution. It is an object of the present invention to provide an imaging device ( | 02-16-2012 |
Thomas Ertl, Ranstadt DE
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20130085591 | METHOD AND ARRANGEMENT FOR FORMING A DENTAL MODEL - The invention relates to a method for forming a physical or virtual dental model as an aid to the production of a dental prosthesis taking account of the shape of at least one tooth stump present in an upper or lower jaw, of points of contact with the teeth adjacent to the at least one tooth stump, and of the occlusal surface of at least one opposing tooth in the region of the field of movement of the dental prosthesis to be disposed on the at least one tooth stump using digital data relating to the upper and lower jaw measured in a contact-free manner. | 04-04-2013 |
20130114286 | METHOD AND ARRANGEMENT FOR COUPLING IN RADIATION EMITTED BY LEDS - A method and arrangement for transmitting radiation emitted by LEDs operated in pulsed operation via at least one optical waveguide, wherein a first optical waveguide having first and second coupling surfaces is assigned to each LED, the first optical waveguides are in each case aligned, by their first coupling surfaces, with an assigned stationary LED, the second coupling surfaces are arranged on a closed path and a coupling surface of a second optical waveguide is assigned to the second coupling surfaces. In order that a high light power can be coupled into the second optical waveguide by means of the LEDs, it is provided that the second optical waveguide, in accordance with the clocking of the switched-on LEDs, can be aligned with the second coupling surface of a first optical waveguide from at least one switched-on LED. | 05-09-2013 |