Patents by Inventor Burkhard Groh
Burkhard Groh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8670062Abstract: For noise correction in connection with a flat-panel x-ray detector, noise signals of a dark reference area are checked for deviations exceeding a specified threshold which, if any are present, will be taken into consideration separately for calculating the correction factor derived from the noise signal. Image artifacts due, for example, to high-contrast objects such as, for instance, cardiac pacemakers or metallic implants, in the x-ray image will be avoided through this measure.Type: GrantFiled: April 29, 2011Date of Patent: March 11, 2014Assignee: Siemens AktiengesellschaftInventors: Burkhard Groh, Volker Heer, Mathias Hörnig, Bernhard Sandkamp
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Patent number: 8498377Abstract: An imaging apparatus for irradiating an object includes a source arrangement, from which x-rays from different positions that form an at least one-dimensional structure may be emitted. The imaging apparatus also includes a detector arrangement for detecting the x-rays. An object is positioned between the source arrangement and the detector arrangement so that, with the detector arrangement, the x-rays attenuated by the object are recorded. The imaging apparatus also includes an evaluation apparatus for evaluating the signals recorded by the detector arrangement. A region of the detector arrangement is assigned to different positions of the structure, from which x-rays are directed at the region in partial irradiations. The region is aligned relative to the structure, such that the partial irradiations that are produced from the different positions of the structure with a region of the detector develop a radiation geometry that irradiates the object in a planar fashion.Type: GrantFiled: December 1, 2010Date of Patent: July 30, 2013Assignee: Siemens AktiengesellschaftInventors: Franz Fadler, Robert Fasbender, Armin Fürst, Burkhard Groh, Reiner Franz Schulz, Kaiss Shanneik
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Publication number: 20110198508Abstract: For noise correction in connection with a flat-panel x-ray detector, noise signals of a dark reference area are checked for deviations exceeding a specified threshold which, if any are present, will be taken into consideration separately for calculating the correction factor derived from the noise signal. Image artifacts due, for example, to high-contrast objects such as, for instance, cardiac pacemakers or metallic implants, in the x-ray image will be avoided through this measure.Type: ApplicationFiled: April 29, 2011Publication date: August 18, 2011Inventors: Burkhard Groh, Volker Heer, Mathias Hömig, Bernhard Sandkamp
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Patent number: 7965333Abstract: For noise correction in connection with a flat-panel x-ray detector (2), noise signals of a dark area (6) are checked for deviations exceeding a specified threshold (g) which, if any are present, will be taken into consideration separately for calculating the correction factor derived from the noise signal. Image artifacts due, for example, to high-contrast objects such as, for instance, cardiac pacemakers or metallic implants, in the x-ray image will be avoided through this measure.Type: GrantFiled: March 29, 2005Date of Patent: June 21, 2011Assignee: Siemens AktiengesellschaftInventors: Burkhard Groh, Volker Heer, Mathias Hörnig, Bernhard Sandkamp
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Publication number: 20110135051Abstract: An imaging apparatus for irradiating an object includes a source arrangement, from which x-rays from different positions that form an at least one-dimensional structure may be emitted. The imaging apparatus also includes a detector arrangement for detecting the x-rays. An object is positioned between the source arrangement and the detector arrangement so that, with the detector arrangement, the x-rays attenuated by the object are recorded. The imaging apparatus also includes an evaluation apparatus for evaluating the signals recorded by the detector arrangement. A region of the detector arrangement is assigned to different positions of the structure, from which x-rays are directed at the region in partial irradiations. The region is aligned relative to the structure, such that the partial irradiations that are produced from the different positions of the structure with a region of the detector develop a radiation geometry that irradiates the object in a planar fashion.Type: ApplicationFiled: December 1, 2010Publication date: June 9, 2011Inventors: Franz Fadler, Robert Fasbender, Armin Fürst, Burkhard Groh, Reiner Franz Schulz, Kaiss Shanneik
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Patent number: 7248674Abstract: The invention relates to a diaphragm unit 4 or a diaphragm unit 4 and an associated x-ray emitter 1 with adjustment option for displaying an asymmetrical area under examination, with the diaphragm unit 4 being able to be tilted in accordance with the invention relative to the x-ray emitter 1, preferably by moving it on a rail system 12 attached isocentrically to the tube focus 9 on the tube housing 2 and/or the unit 1;4 made up of diaphragm unit 4 and x-ray emitter 1 being able to be tilted isocentrically to the tube focus 9 of the x-ray tube 2.Type: GrantFiled: March 10, 2005Date of Patent: July 24, 2007Assignee: Siemens AktiengesellschaftInventors: Burkhard Groh, Mathias Hörnig, Bernhard Sandkamp
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Patent number: 7212612Abstract: X-ray device with a detector and an adjustable diaphragm for fading-in an examination area, whereby the detector (6) can be controlled and read-out asymmetrically and the diaphragm (8) can be moved asymmetrically.Type: GrantFiled: January 25, 2005Date of Patent: May 1, 2007Assignee: Siemens AktiengesellschaftInventors: Burkhard Groh, Volker Heer, Mathias Hörnig, Bernhard Sandkamp
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Patent number: 7178980Abstract: An x-ray system HAS adjustable operating parameters with a dependency existing between different auxiliary types of equipment selectable for an examination and a suitable setting of the parameter. A control system of the x-ray system has a data input device to detect the used auxiliary equipment, a data storage device with data concerning the relation between each type of auxiliary equipment and an optimal setting of the parameters therefor, and an adjustment device for automatically adjusting the parameter dependent on the selection of the auxiliary equipment.Type: GrantFiled: May 28, 2004Date of Patent: February 20, 2007Assignee: Siemens AktiengesellschaftInventors: Burkhard Groh, Volker Heer, Mathias Hörnig, Bernhard Sandkamp
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Patent number: 7170974Abstract: An X-ray device (1) is provided including an X-ray source (8) and a first X-ray detector (9,100) for producing a first X-ray image data set of an examination object (P). A second X-ray detector (20) is provided for producing a second X-ray image data set of examination object (P) where the second X-ray detector (20) has a smaller detector surface (23) than the first X-ray detector (9,100). The second X-ray detector (20) may produce an X-ray image associated with the second X-ray image data set that has a higher local resolution than the X-ray image (12) associated with the first X-ray image data set. The second X-ray detector (20) may be movably connected with the first X-ray detector (9,100) so the second X-ray detector (20) maybe articulated upstream of the first X-ray detector (9,100).Type: GrantFiled: November 18, 2004Date of Patent: January 30, 2007Inventors: Burkhard Groh, Volker Heer, Mathias Hömig, Bernhard Sandkamp
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Patent number: 7136456Abstract: Depth diaphragm for an x-ray device, which diaphragm has a plurality of adjustable diaphragm blades (1) for displaying an area being examined, which blades (1) can be moved in such a way that said area being examined can be displayed asymmetrically.Type: GrantFiled: January 25, 2005Date of Patent: November 14, 2006Assignee: Siemens AktiengesellschaftInventors: Burkhard Groh, Volker Heer, Mathias Hörnig, Bernhard Sandkamp
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Patent number: 7110494Abstract: An x-ray diagnostic apparatus has an x-ray radiator, a control device connected thereto, a radiation detector and a patient positioning table. A patient weighing device that is connected with the control device to influence parameters for setting the x-ray radiation is associated with the patient positioning table.Type: GrantFiled: July 22, 2004Date of Patent: September 19, 2006Assignee: Siemens AktiengesellschaftInventors: Burkhard Groh, Volker Heer, Mathias Hörnig, Bernhard Sandkamp
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Publication number: 20060153338Abstract: An x-ray system HAS adjustable operating parameters with a dependency existing between different auxiliary types of equipment selectable for an examination and a suitable setting of the parameter. A control system of the x-ray system has a data input device to detect the used auxiliary equipment, a data storage device with data concerning the relation between each type of auxiliary equipment and an optimal setting of the parameters therefor, and an adjustment device for automatically adjusting the parameter dependent on the selection of the auxiliary equipment.Type: ApplicationFiled: May 28, 2004Publication date: July 13, 2006Inventors: Burkhard Groh, Volker Heer, Mathias Hornig, Bernhard Sandkamp
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Patent number: 7012258Abstract: An X-ray detector includes an X-ray converter for conversion of X-ray radiation to light, and a photodiode sensor with an arrangement of two or more photodiode elements for detection of the light produced by the X-ray radiation in the X-ray converter. A nonlinearly absorbent filter is located between the X-ray converter and the photodiode sensor.Type: GrantFiled: September 5, 2003Date of Patent: March 14, 2006Assignee: Siemens AktiengesellschaftInventors: Burkhard Groh, Volker Heer, Mathias Hoernig, Bernhard Sandkamp
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Patent number: 6980626Abstract: Method for an x-ray arrangement for compensation of scattered radiation and x-ray apparatus The invention concerns a method for an x-ray arrangement comprising two x-ray systems (1, 2) for compensation of scattered radiation. In addition, the invention concerns an x-ray apparatus with two x-ray systems (1, 2) which respectively comprise an x-ray source (4, 5) and an x-ray detector (5, 7). An x-ray scattered radiation image based on the x-ray radiation (11) scattered on a subject (P) is acquired for at least one of the two x-ray systems (1, 2), given a definite positioning of the x-ray systems (1, 2) relative to one another. The acquired x-ray scattered radiation image is saved and used for subtraction from an x-ray image acquired with the x-ray system (1, 2) in order to compensate for the influence of the scattered radiation originating from the other x-ray system (1, 2) and to achieve an improved image quality.Type: GrantFiled: July 17, 2003Date of Patent: December 27, 2005Assignee: Siemens AktiengesellschaftInventors: Burkhard Groh, Volker Heer, Mathias Hörnig, Bernhard Sandkamp
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Publication number: 20050219387Abstract: For noise correction in connection with a flat-panel x-ray detector (2), noise signals of a dark area (6) are checked for deviations exceeding a specified threshold (g) which, if any are present, will be taken into consideration separately for calculating the correction factor derived from the noise signal. Image artifacts due, for example, to high-contrast objects such as, for instance, cardiac pacemakers or metallic implants, in the x-ray image will be avoided through this measure.Type: ApplicationFiled: March 29, 2005Publication date: October 6, 2005Inventors: Burkhard Groh, Volker Heer, Mathias Hornig, Bernhard Sandkamp
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Publication number: 20050201521Abstract: The invention relates to a diaphragm unit 4 or a diaphragm unit 4 and an associated x-ray emitter 1 with adjustment option for displaying an asymmetrical area under examination, with the diaphragm unit 4 being able to be tilted in accordance with the invention relative to the x-ray emitter 1, preferably by moving it on a rail system 12 attached isocentrically to the tube focus 9 on the tube housing 2 and/or the unit 1;4 made up of diaphragm unit 4 and x-ray emitter 1 being able to be tilted isocentrically to the tube focus 9 of the x-ray tube 2.Type: ApplicationFiled: March 9, 2005Publication date: September 15, 2005Inventors: Burkhard Groh, Mathias Hornig, Bernhard Sandkamp
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Publication number: 20050169432Abstract: X-ray device with a detector and an adjustable diaphragm for fading-in an examination area, whereby the detector (6) can be controlled and read-out asymmetrically and the diaphragm (8) can be moved asymmetrically.Type: ApplicationFiled: January 25, 2005Publication date: August 4, 2005Inventors: Burkhard Groh, Volker Heer, Mathias Hornig, Bernhard Sandkamp
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Publication number: 20050169426Abstract: The invention relates to an X-ray device (1) with an X-ray source (8) and a first X-ray detector (9, 100) for producing a first X-ray image data set of an examination object (P). The X-ray device (1) additionally comprises a second X-ray detector (20) for producing a second X-ray image data set of an examination object (P), whereby the second X-ray detector (20) has a smaller detector surface (23) than the first X-ray detector (9, 100) and is designed such that the X-ray image associated with the second X-ray image data set has a higher local resolution than the X-ray image (12) associated with the first X-ray image data set. The invention also relates to a method for producing an X-ray image data set.Type: ApplicationFiled: November 18, 2004Publication date: August 4, 2005Inventors: Burkhard Groh, Volker Heer, Mathias Homig, Bemhard Sandkamp
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Publication number: 20050169431Abstract: Depth diaphragm for an x-ray device, which diaphragm has a plurality of adjustable diaphragm blades (1) for displaying an area being examined, which blades (1) can be moved in such a way that said area being examined can be displayed asymmetrically.Type: ApplicationFiled: January 25, 2005Publication date: August 4, 2005Inventors: Burkhard Groh, Volker Heer, Mathias Hornig, Bernhard Sandkamp
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Publication number: 20050053195Abstract: An x-ray diagnostic apparatus has an x-ray radiator, a control device connected thereto, a radiation detector and a patient positioning table. A patient weighing device that is connected with the control device to influence parameters for setting the x-ray radiation is associated with the patient positioning table.Type: ApplicationFiled: July 22, 2004Publication date: March 10, 2005Inventors: Burkhard Groh, Volker Heer, Mathias Hornig, Bernhard Sandkamp