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| Number | Title | Issue Date |
| 7885384 | System and method to manage maintenance of a radiological imaging system A system and method to predict a failure of an imaging system that includes a radiation source having an x-ray tube assembly is provided. The system includes a storage medium having a plurality of programmable storage instructions to instruct a processor to perform ... | 02/08/2011 |
| 7639784 | Systems and methods for controlling an x-ray source A control system for an X-ray source includes a sensor interface for receiving one or more sensor signals representative of operation of the X-ray source; a programmable controller operative in response to the one or more sensor signals and a sequence of control ins... | 12/29/2009 |
| 7391850 | Compact, high-flux, short-pulse x-ray source An x-ray source that can produce high-brilliance x-rays at a low cost and from a small footprint includes a radiofrequency (RF) photoinjector, an accelerator module (such as a linear superconducting accelerator moducle), a high-power optical laser apparatus, and a p... | 06/24/2008 |
| 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 |
| 7355304 | X-ray device X-Ray equipment, that as well as having a controlled current converter, a capacitor bank, an inverter, a supply source, and a high voltage transformer, has inlet voltage evaluation equipment that activates relays of the connection points of an auxiliary supply trans... | 04/08/2008 |
| 7340035 | X-ray tube cathode overvoltage transient supression apparatus An imaging tube (30) includes multiple high voltage elements (64). A voltage-clamping device (70) is coupled between the high voltage elements (64) and prevents the occurrence of overvoltage transients in the minor insulation of an imagin... | 03/04/2008 |
| 7305065 | X-ray generator with voltage doubler Between terminals of secondary windings in a high-voltage transformer (3), there are connected in parallel input side terminals of a plurality of diode full bridge circuits each via voltage maintaining means such as a capacitor maintaining a voltage peak valu... | 12/04/2007 |
| 7302041 | Method for estimating the remaining life span of an X-ray radiator In a method for estimating the remaining life span of an X-ray radiator that has been installed in an X-ray apparatus and is operational, under specified test conditions and at time intervals, a measurement value that is indicative for the remaining life span of the... | 11/27/2007 |
| 7279851 | Systems and methods for fault protection in a balancing transformer An apparatus and methods for balancing current in multiple negative impedance gas discharge lamp loads. Embodiments advantageously include balancing transformer configurations that are relatively cost-effective, reliable, efficient, and good performing. Embodiments ... | 10/09/2007 |
| 7240068 | Service logic execution environment (SLEE) that is running on a device, supporting a plurality of services and that is compliant with a telecommunications computing standard for SLEES The present invention relates to the field of software-based services in communication networks. More particularly, it includes systems and methods for maintaining and utilizing routing data to handle event notifications generated by call handling in a service logic... | 07/03/2007 |
| 7233645 | Systems and methods for controlling an X-ray source A control system for an X-ray source includes a sensor interface for receiving one or more sensor signals representative of operation of the X-ray source; a programmable controller operative in response to the one or more sensor signals and a sequence of control ins... | 06/19/2007 |
| 7233646 | Computerized method for generating a schedule for implementing examination with an x-ray apparatus In a method and a computer for generating a schedule for the implementation of examinations with an x-ray apparatus, in particular an x-ray computed tomography apparatus, a particularly exact schedule is generated by calculating an occupation duration for each patie... | 06/19/2007 |
| 7222260 | Test system for medical systems A test system for a medical system that has a central control unit to control medical system components dependent on received operating commands, has an interface for setting up a data connection to the central control unit, a data storage, and a transmission device... | 05/22/2007 |
| 7218500 | High-voltage generator and accelerator using same In a high-voltage generator including a CW circuit (high-voltage circuit), where the CW circuit generates a high voltage through booster circuits that are provided for boosting an input voltage and connected to one another in multiple stages, a conductive shielding ... | 05/15/2007 |
| 7197115 | Cantilever and straddle x-ray tube configurations for a rotating anode with vacuum transition chambers An imaging tube assembly (11) for a computed tomography (CT) system (10) includes an insert (60) that has a vacuum chamber (72). An anode (58) resides within the vacuum chamber (72) and rotates on a shaft (66) via one... | 03/27/2007 |
| 7174267 | Computer-assisted method for calculating the temperature of a solid body In a method for the calculation of a temperature T of a solid body of a liquid cooling medium, or the time t needed for a temperature change of the solid body or the liquid cooling medium, the differential equation dT/dt=b−cT is converted into a dimensionless diff... | 02/06/2007 |
| 7141933 | Systems and methods for a transformer configuration for driving multiple gas discharge tubes in parallel An apparatus and methods for balancing current in multiple negative impedance gas discharge lamp loads. Embodiments advantageously include balancing transformer configurations that are relatively cost-effective, reliable, efficient, and good performing. Embodiments ... | 11/28/2006 |
| 7143000 | Computer-assisted method for calculating the temperature of a solid body In a method for calculating the temperature T of a solid body or the time t that is needed for a change of the temperature T of the solid body, a solution function to a dimensionless equation corresponding to the differential equation dT/dt=b−aT4−cT, ... | 11/28/2006 |
| 7127499 | Medical diagnostic system service method and apparatus A system is provided for remotely servicing medical diagnostic systems. The diagnostic systems may include a range of modalities and system types. A remote service facility may be contacted by the diagnostic systems, or may contact the diagnostic systems via a netwo... | 10/24/2006 |
| 7114850 | Method for tube spit correction based on high voltage output The present invention provides a method to detect tube spits and to reduce spit related artifacts in a computed tomography imaging system. A way of detecting tube spit is to monitor the generator kilovolt or milliamp waveforms. Changes in kV waveform follow closely ... | 10/03/2006 |
| 7104690 | Diagnosing system for an x-ray source assembly A diagnostic technique for an x-ray source. A system monitors existing conditions (e.g., tube current Y) in the source to track degradation of certain components to anticipate failure. Storage of past characteristics and reference characteristics is also provided fo... | 09/12/2006 |
| 7107189 | Method and apparatus for associating a field replaceable unit with a medical diagnostic system and recording operational data A method for associating a field replaceable unit with a medical diagnostic system includes querying for information on a field replaceable unit to be associated with a medical diagnostic system by sending a query to an electronic device associated with the field re... | 09/12/2006 |
| 7080095 | Medical diagnostic system remote service method and apparatus A system for providing remote service to medical diagnostic systems is described that includes a field service unit connectable to an automated service facility via a network link. The field service unit is configured to compose service requests based upon a series ... | 07/18/2006 |
| 7070106 | Internet-based remote monitoring, configuration and service (RMCS) system capable of monitoring, configuring and servicing a planar laser illumination and imaging (PLIIM) based network An Internet-based remote monitoring, configuration and service (RMCS) system capable of monitoring, configuring and servicing a planar laser illumination and imaging (PLIIM) based network. The network has one or more nodes and performs object identification and attr... | 07/04/2006 |
| 7069186 | Method for remotely controlling a spectral measurement device utilizing predicted service life or a remotely provided software upgrade including color reference or shade guide data Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of teeth are disclosed. Perimeter receiver fiber optics preferably are spaced apart from a source fiber optic and receive light from the surface o... | 06/27/2006 |
| 7062016 | Thermal generator assembly, X-ray imaging system, and X-ray apparatus overheat preventing method A method for preventing overheating of an X-ray apparatus. The method includes controlling an X-ray tube and an X-ray detector which are opposed to each other with a subject between them so as to acquire projection data concerning the subject, estimating quantities ... | 06/13/2006 |
| 7054125 | X-ray protector The present X-ray protector requires no raising of a voltage to be impressed to a cathode ray tube (CRT) and no complicated control procedure for testing the X-ray protector's operation. The voltage applied to the CRT is detected by a detection winding of a flyback ... | 05/30/2006 |
| 7035546 | Optical wireless multiport hub An optical communication transmitter (13), receiver (15), and transceiver (17) having distinctive retro-reflective elements (30) and/or reflectivity that can be modulated. In one embodiment, the retro-reflective elements (30) can h... | 04/25/2006 |
| 6961407 | Device to detect pressure in an x-ray tube In a method to detect the pressure in an x-ray tube having a cathode of the x-ray tube that is heated with a heater current, and wherein electrons are accelerated between the cathode and an anode by an applied x-ray tube voltage, the heater current is measured, a tu... | 11/01/2005 |
| 6757356 | Electric discharge detection circuit An electric discharge detection circuit includes an x-ray tube, a power supply that applies a high voltage to the x-ray tube, a tube voltage that detects the voltage applied to the x-ray tube, a differentiation circuit that differentiates a signal output from the tu... | 06/29/2004 |
| 6731258 | Fast-working LCD residual display suppression circuit and a method thereto The invention relates to a fast-working residual display suppression circuit for LCD and a method thereto. The method includes the following steps: receiving a control signal; if the control signal is an automatic control signal, comparing a first reference voltage ... | 05/04/2004 |
| 6512816 | Temperature clock for x-ray tubes An x-ray system 20 includes an x-ray tube insert (24) that has an evacuated envelope (34), an anode assembly (38) and a cathode assembly (40). The anode assembly (38) and the cathode assembly (40) are located in operative relationship to one another withi... | 01/28/2003 |
| 6453009 | X-ray tube life prediction method and apparatus Possible failure of x-ray tubes is predicted by monitoring and analysis of operating parameters considered leading indicators of failure. Historical data for a tube population is analyzed by discriminant analysis to develop a failure prediction algorithm.... | 09/17/2002 |
| 6449337 | X-ray computed tomography apparatus An X-ray computed tomography apparatus includes an X-ray tube configured to emit X-rays, an X-ray detector configured to detect X-rays passing through a subject in order to acquire projection data, a processor configured to reconstruct tomographic image d... | 09/10/2002 |
| 6426997 | X-ray tube with warning device for accurately indicating impending failure of the thermionic emitter The invention concerns an x-ray tube having a thermionic emitter and a warning means, which exhibits means for measuring as least one electrical property of the thermionic emitter and produces a signal during analysis of the measured electrical property, ... | 07/30/2002 |
| 6377657 | Method and load calculator to calculate the temperature distribution of an anode of an X-ray tube In a method and a load computer for calculating the space-time temperature distribution in or, on an anode bombarded with electrons in an x-ray tube. The brief-term temperature boost in a surface layer in and around a focus spot on the anode of the x-ray ... | 04/23/2002 |
| 6370226 | Clinical x-ray based apparatus and method with dynamic signalling of an execution feasibility level during entering operational parameter values A clinical XRAY based apparatus with a user interface is operated by initiating the apparatus and then entering a sequence of operational parameter values for as based thereon executing an XRAY irradiation process. In particular, during the entering an ex... | 04/09/2002 |
| 6212256 | X-ray tube replacement management system A system for managing replacement of x-ray tubes, such as in medical diagnostic systems, includes circuitry for monitoring operating parameters of the x-ray tubes, and circuitry for analyzing the monitored parameters and scheduling for tube replacement ba... | 04/03/2001 |
| 6088425 | X-ray apparatus A rotary anode type X-ray tube is controlled by an X-ray emission control device. In the X-ray emission control device, the maximum permissible storage heat quantity which can be applied to the rotary anode of the X-ray tube is set, the anode storage heat... | 07/11/2000 |
| 5809106 | X-ray apparatus having a control device for preventing damaging X-ray emissions In an X-ray tube with a hydrodynamic slide bearing, an electron beam is caused to strike the focal point track area F on its rotary anode, which then emits X rays. An X-ray emission control device that sets the conditions for emitting the X rays stores as... | 09/15/1998 |
