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| Number | Title | Issue Date |
| 7949098 | Method for determining reduced exposure conditions for medical images A method of obtaining recommendations for lowered radiation dose for a type of radiological image, executed at least in part by a computer system, obtains at least one clinical image of at least one patient, taken under a baseline set of exposure conditions, as a ba... | 05/24/2011 |
| 7742572 | X-ray imaging apparatus and x-ray imaging method In a X-ray imaging apparatus an estimation unit estimates a cumulative exposure dose of X-rays irradiated onto an object, and a remaining exposure tolerance dose calculation unit calculates a remaining exposure tolerance dose using a difference between a tolerated m... | 06/22/2010 |
| 7734013 | Radiation image capturing apparatus and method of controlling radiation image capturing apparatus A mammographic system as a radiation image capturing apparatus includes a radiation source for emitting a radiation, AEC sensors for detecting the radiation emitted from the radiation source and acquiring radiation image information for exposure control, a mammary g... | 06/08/2010 |
| 7620152 | Radiation imaging apparatus, method of controlling the radiation imaging apparatus and computer-readable storage medium An X-ray imaging apparatus includes an X-ray intensity designation unit which designates an emitted X-ray intensity of X-rays applied to a target, an X-ray exposure control unit which compares a predetermined recommended X-ray intensity with the emitted X-ray intens... | 11/17/2009 |
| 7570740 | Radiotherapy apparatus and parts thereof The detected positioning error in a geometry item of a radiotherapy apparatus is generally passed to a transfer function for the system, which outputs a signal that dictates the radiation output. If the detected error is within certain limits then the radiation is p... | 08/04/2009 |
| 7545915 | Dose rate control in an X-ray system A controller for controlling the dose rate (exposure kV tube voltage) of an X-ray system, in which the actual dose rate is measured and compared with an optimal dose rate, and the resultant difference value is fed to a module (20) (e.g. a PID module) which is... | 06/09/2009 |
| 7519155 | Device and method for adjusting imaging parameters of an X-ray apparatus The invention relates to a device for adjusting imaging parameters of an X-ray apparatus (1), whereby a user pre-defines on a preliminary image an image region of interest (ROI) and a value of the contrast-to-noise ratio (CNRref) desired for this i... | 04/14/2009 |
| 7480365 | Dose reduced digital medical image simulations A method for providing a reduced exposure value for radiographic imaging obtains a set of flat-field images at two or more exposure values and measures the noise power spectra using the flat field images. At least one noise table is generated according to interpolat... | 01/20/2009 |
| 7463718 | X-ray diagnostic device for digital radiography The invention relates to an X-ray diagnostic device for digital radiography with a high voltage generator (1), an X-ray tube (2) for generating an X-ray bundle (3), an image converter (5 to 9) arranged in the radiation path behind ... | 12/09/2008 |
| 7436930 | Method for controlling the dose or the dose rate when recording x-ray images With a method for controlling the dose or dose rate when recording x-ray images by means of a detector comprising image elements which record a plurality of dose data values, an actual value is determined for the dose or dose rate from the totality of the data value... | 10/14/2008 |
| 7428295 | Method and x-ray apparatus for exposure of a patient at variable distances relative to an x-ray source In a method and x-ray apparatus for exposure of a patient who can be placed at a variable distance relative to an x-ray source, the dose rate emitted by the x-ray source is reduced given reduction of the distance and/or increased given increase of the distance. ... | 09/23/2008 |
| 7400707 | Apparatus for and method of capturing radiation image Before a radiation image is captured, a rate of change of an output signal from an integrator, during a given period of time after the integrator has been reset and until a radiation start signal is supplied, is calculated. An offset voltage signal at a desired time... | 07/15/2008 |
| 7379530 | Method and apparatus for the safe and rapid detection of nuclear devices within containers A safe, reliable and rapid system for the detection of nuclear materials within containers includes the use of pulsed high-intensity gamma rays that can penetrate a container and its contents and can be detected outside the container to provide a display in which hi... | 05/27/2008 |
| 7379532 | ECG-based rotational angiography for cardiology A C-arm X-ray system includes synchronized ECG gating for enhanced cardiac soft-tissue imaging. The system includes an X-ray source disposed on a C-arm for rotation in a circular path about a patient and configured to release X-ray radiation synchronously with an EC... | 05/27/2008 |
| 7372942 | Medical imaging system with dosimetry for estimating circuit board life A dosimeter is provided on or adjacent to a circuit board deployed in a radiation environment. The dosimeter may be read or output a value or values indicating radiation dosage over a period of time. The radiation dosage associated with the circuit board may be used... | 05/13/2008 |
| 7372944 | X-ray diagnostics device and method for controlling an X-ray diagnostics device The invention relates to an x-ray diagnostics device having an x-ray tube for generating x-rays operated by a high voltage generator, having an x-ray detector for converting incident x-rays into electrical signals, having an image processing system and a control dev... | 05/13/2008 |
| 7369644 | Printed circuit board inspection system combining X-ray inspection and visual inspection A circuit board inspection system combining an X-RAY inspection and a visual inspection comprises a transfer unit (3) that lands an inspected object (1) safely thereon and transfers the inspected object (1) to a predetermined position; a light g... | 05/06/2008 |
| 7366283 | Method to control anodic current in an x-ray source An apparatus and method for an x-ray system includes an x-ray emitter having a first electrode and a second electrode. A high voltage supply is electrically connected to the first electrode. A power supply is electrically connected to the second electrode. A control... | 04/29/2008 |
| 7356123 | X-ray device having a collimator, and method of setting the latter The present application relates to an X-ray device having an X-ray radiation source (7), a collimator (6) and an X-ray detector (4). The reduction in the radiation dose to which a patient (5) is exposed, said reduction being generated by ... | 04/08/2008 |
| 7342999 | Method and apparatus for generation of a digital x-ray image of an examination subject In a method and apparatus for generation of a digital x-ray image of an examination subject with an x-ray tube and a digital x-ray detector, a preliminary total dose required for correct exposure is determined using prior knowledge and a complete pre-image of the ex... | 03/11/2008 |
| 7333587 | Method and system for imaging using multiple offset X-ray emission points A technique is provided for imaging a field of view using an X-ray source comprising two or more emission points. Each emission point is configured to emit a fan of radiation encompassing less than the entire field of view. The emission points are activated individu... | 02/19/2008 |
| 7327826 | X-ray imaging apparatus and operating method therefor, with subject thickness-dependent use of a scattered ray grid In order to achieve a particularly good image sharpness, in a method and apparatus for radiological imaging of an examination subject, a digital x-ray detector is arranged behind the subject and a scattered-ray grid is positionable between the subject and the x-ray ... | 02/05/2008 |
| 7324678 | Method for determining noise in radiography In order to model a fluoroscopic noise present in a radiography operation, two successive images of a same zone are used so that it is possible to pair the dots of the two images as a function of the zone of the space that they represent. The pairs of dots are group... | 01/29/2008 |
| 7313224 | Wireless integrated automatic exposure control module Systems and methods for providing independent exposure detection, X-ray spectrum and timing compensation, and providing an exposure termination signal to an X-ray system. The system incorporates an interface for receiving exposure characteristic data such as kVp, sp... | 12/25/2007 |
| 7308295 | Compilation of image information and mammography apparatus for performing biopsy A mammography apparatus has a bracket having one of its arms fitted with an X-ray tube head. The X-ray tube head is formed of an X-ray tube for producing X-radiation and a collimator for collimating the X-radiation. The bracket arm opposite the X-ray tube head is fi... | 12/11/2007 |
| 7298826 | X-ray generator An X-ray generator of this invention has an X-ray monitor that monitors a state of an X-ray emitted from a target. Hence the state of the X-ray can be monitored in real time to maintain the X-ray in a constant state. The X-ray monitor is positioned off the path on w... | 11/20/2007 |
| 7292675 | Automatic protocol assistance methods and apparatus A method of providing an automatic protocol assistance includes determining a number of exposures for a scan of an object, acquiring a low dose AEC exposure of the object or acquiring at least one of a PA and an AP view, calculating an initial technique, and automat... | 11/06/2007 |
| 7286642 | X-ray tube control apparatus and x-ray tube control method A maximum tube voltage value setting module 240a, a warming-up module 240b, a limit tube voltage control module 240c, a limit tube current control module 240d and a focus grid electrode control module 240 | 10/23/2007 |
| 7285129 | High efficiency tanning apparatus Tanning apparatuses and methods of operating tanning apparatuses for high efficiency use. In an embodiment, a tanning apparatus including a tanning lamp is operated by delivering a first input voltage to the tanning lamp to generate an ultraviolet radiation output. ... | 10/23/2007 |
| 7286641 | Method and device for exposing x-ray images The invention relates to a method of controlling the exposure of an X-ray image. Starting values for the tube current, the tube voltage and the exposure duration are hereby set on the X-ray tube (10). Following the start of the exposure, the resultant dose ra... | 10/23/2007 |
| 7283607 | Continuously operating tomography apparatus and method for the operation thereof In a continuously operating tomography apparatus and an operating method therefore, a scanner unit is rotated around a system axis and first and second examination subjects are successively moved into the scanner unit and respective examinations of the first and sec... | 10/16/2007 |
| 7283606 | Method for reconstructing projection data sets for dose-reduced sectional spiral scanning in computed tomography In a method and CT apparatus and software product for reconstructing incomplete projection data sets for dose-reduced sectional spiral scanning along a z axis of a patient on a table that is movable in the z direction in the CT apparatus that has a radiation source ... | 10/16/2007 |
| 7280635 | Processes and apparatus for managing low kVp selection and dose reduction and providing increased contrast enhancement in non-destructive imaging Systems, processes and apparatus are described through which non-destructive imaging is achieved, with equivalent or increased contrast, in comparison to conventional approaches, and that facilitate reduced dosage of X-rays delivered to the object or patient being i... | 10/09/2007 |
| 7274771 | Methods and systems for controlling exposure for medical imaging devices Methods and systems for controlling exposure for medical imaging devices is provided. The method includes varying the exposure level of X-rays within an X-ray imaging system to generate a plurality of images having different exposure levels and combining the plurali... | 09/25/2007 |
| 7274770 | X-ray examination apparatus and a method of controlling an output of an X-ray source of an X-ray examination apparatus An X-ray examination apparatus arranged with control means to control a dose of an X-ray source in accordance with a grey-level distribution of an acquired image. The X-ray examination apparatus (1) comprises the X-ray unit (2) arranged to communicate ... | 09/25/2007 |
| 7266177 | Method and device for generating an x-ray image The invention relates to a method for generating an x-ray image. In order to minimize the dose rate the invention proposes that the body to be examined is first irradiated with a first dose rate. On the basis of first signals measured during this process, a second d... | 09/04/2007 |
| 7259386 | Radiation image detector A radiation image detector that includes a radiation image recording medium capable of recording a radiation image and detects the signal outputted from the medium in accordance with the radiation image recorded on the medium, in which a real-time signal is obtainin... | 08/21/2007 |
| 7257190 | Radiographic device and control method therefor A radiographic device includes a radiation source which generates radiation and a detector which detects radiation from the radiation source on a two-dimensional plane and outputs an image signal, and performs radiography of a subject to be examined while rotating t... | 08/14/2007 |
| 7257193 | X-ray source assembly having enhanced output stability using tube power adjustments and remote calibration An x-ray source assembly includes an anode having a spot upon which electrons impinge based on power level supplied to the assembly, and an optic coupled to receive divergent x-rays generated at the spot and transmit output x-rays from the assembly. A control system... | 08/14/2007 |
| 7254214 | X-ray imaging device An X-ray imaging device is equipped with a solid state detector, for recording image information by being irradiated with X-rays that bear image information and for outputting image signals that represent the recorded image information, and an X-ray dosage detector ... | 08/07/2007 |
