Patent application number | Description | Published |
20110075806 | Treatment Plan Optimization Method For Radiosurgery - Systems and methods for providing radiosurgery treatment to a patient by combining methods from both traditional radiosurgery and radiotherapy are disclosed. A dose sufficient to kill tissue is applied to a target area while a steep drop off, or gradient, is provided at the border between the target area and adjacent areas so that other portions of the brain or nearby structures or organs are not damaged. The treatment plan is optimized by using both measures known in the art along with a new gradient index or curve that indicates the amount of the drop off at the border between the target area and the surrounding tissues. | 03-31-2011 |
20110182409 | Method and Apparatus to Facilitate Treating a Target Portion of a Patient's Body with Radiation - One accesses information regarding the functionality of portions of the patient's body and then uses that information to optimize a radiation-treatment plan to treat a target portion of the patient's body while minimizing at least some collateral radiation-based damage to non-targeted functional portions of the patient's body. By one approach, the aforementioned information can comprise a functionality model as pertains to at least some portions of the patient's body. As one example in these regards, this can comprise optimizing the radiation-treatment plan such that the planned radiation beams tend to pass through non-targeted less-functional portions of the patient's body rather than through non-targeted portions of the patient's body of greater functionality. | 07-28-2011 |
20110268249 | TREATMENT PLAN OPTIMIZATION METHOD FOR RADIOTHERAPY - Systems and methods for providing radiosurgery treatment to a patient by combining methods from both traditional radiosurgery and radiotherapy are disclosed. A dose sufficient to kill tissue is applied to a target area while a steep drop off, or gradient, is provided at the border between the target area and adjacent areas so that other portions of the brain or nearby structures or organs are not damaged. The treatment plan is optimized by using both measures known in the art along with a new gradient index or curve that indicates the amount of the drop off at the border between the target area and the surrounding tissues. | 11-03-2011 |
20110282685 | Method and Apparatus Pertaining to Developing Care Paths - A control circuit develops, in parallel, a plurality of care paths for at least one corresponding patient. This can comprise, for these care paths, serially completing a plurality of corresponding care-path-development phases (using, for example, input information of choice). Then, pursuant to these teachings and before concluding development of at least one of these care paths (and upon determining a change to the aforementioned input information during the developing process), automatically modifying at least one of the care-path-development phases as a function of the change and redeveloping the care plan as corresponds to the modified care-path-development phase. | 11-17-2011 |
20110286642 | Method and Apparatus Pertaining to the Use of Imaging and Surface Information to Influence a Radiation Treatment Plan to Accommodate Dynamic Physical Changes During the Treatment - A radiation-treatment planning apparatus accesses imaging information regarding at least a patient's treatment volume and surface information regarding dynamic surfaces within the radiation-treatment environment as pertains to the radiation treatment. The apparatus acquires the imaging information using a first imaging technology and the surface information using a second technology that is different than the first imaging technology. The apparatus uses the imaging and surface information to influence a radiation treatment plan for treating the treatment volume with radiation to accommodate dynamic physical changes within the radiation-treatment environment during the radiation treatment of the treatment volume. | 11-24-2011 |
20110299751 | Method and Apparatus to Facilitate Development of Therapeutic Treatment Plans - A digital image processing apparatus acquires first information comprising a first multi-dimensional high-energy study of a given treatment volume for a given person. This apparatus then combines this first information with second information that comprises a second multi-dimensional high-energy study of a given volume for a person that includes, but also exceeds, the given treatment volume. This second multi-dimensional high-energy study precedes in time the first multi-dimensional high-energy study. This combination yields resultant multi-dimensional high-energy image information for the given treatment volume that includes imaging information beyond the given treatment volume. The apparatus then uses this resultant information to facilitate development of a treatment plan for the given person without requiring a projection of the multi-dimensional high-energy image information into sinogram space. | 12-08-2011 |
20130204067 | Method and Apparatus Pertaining to the Optimization of Radiation-Treatment Plans Using Automatic Changes to Treatment Objectives - Optimization of a radiation-delivery treatment plan can be facilitated by permitting the making of automatic changes to one or more treatment objectives. This can comprise processing radiation-delivery treatment plan parameters with respect to one or more predetermined treatment objectives and then automatically changing that predetermined treatment objective to provide one or more changed treatment objectives (including altered, deleted, and/or added treatment objectives) that can then be used to at least attempt to optimize a radiation-delivery treatment plan. That predetermined treatment objective can comprise, for example, a treatment objective as regards a given treatment volume. The automatic changing of the predetermined treatment objective can occur in response to a variety of stimuli such as detecting a change with respect to a treatment condition such as a change in the presentation of a patient volume of interest. | 08-08-2013 |
20140275700 | Method and Apparatus for Using Patient-Experience Outcomes When Developing Radiation-Therapy Treatment Plans - A control circuit has access to information that correlates a plurality of patient-experience outcomes with corresponding delivered-radiation metrics and uses that plurality of patient-experience outcomes in conjunction with developing a radiation-therapy treatment plan for a particular patient. Those patient-experience outcomes can comprise, for example, information regarding how various patients fared post-radiation treatment as regards such things as post-radiation treatment life expectancy, tumor eradication success, and one or more other quality-of-life metrics. These teachings will accommodate using a particular one of the patient-experience outcomes as an optimization goal when optimizing candidate radiation-therapy treatment plans to develop the radiation-therapy treatment plan. In such a case these teachings will further accommodate, if desired, permitting a user to modify one or more optimization objectives while displaying intermediate optimization results. | 09-18-2014 |
20140282167 | Method and Apparatus Pertaining to Automated Multi-Step Radiation-Treatment Plan Development - A control circuit facilitates providing a user interface to facilitate developing a radiation-treatment plan for a given patient, the user interface comprising, at least in part, an opportunity to select an automated multi-step radiation-treatment plan development capability. Upon detecting a user's selection of this automated multi-step radiation-treatment plan development capability, these teachings then provide for automatically carrying out a plurality of steps wherein at least some of the plurality of steps pertain to other than optimizing a radiation dosing. These steps are carried out without requiring further interaction with the user and yield at least one output radiation-treatment plan that is specific to the given patient and that is administrable as yielded. | 09-18-2014 |
Patent application number | Description | Published |
20090293818 | Fluidized Bed Heat Exchanger for a Circulating Fluidized Bed Boiler and a Circulating Fluidized Bed Boiler with a Fluidized Bed Heat Exchanger - A heat exchanger and a circulating fluidized bed boiler with a heat exchanger including a first fluidized bed heat exchange chamber and a second fluidized bed heat exchange chamber, arranged in connection with a furnace of the circulating fluidized bed boiler, a first inlet channel for introducing hot solids from a particle separator of the external circulation of the circulating fluidized bed boiler into the first heat exchange chamber, a second inlet channel for introducing solids to the second heat exchange chamber, a first discharge for removing a first portion of the cooled solids from the first heat exchange chamber to the second inlet channel and a second discharge for removing cooled solids from the second heat exchange chamber to the furnace, the heat exchange chamber including an inlet for introducing hot solids directly from the internal circulation of the furnace to the second heat exchange chamber. The heat exchanger also preferably includes a third discharge for removing a second portion of the cooled solids from the first heat exchange chamber directly to the furnace. | 12-03-2009 |
20110220038 | Circulating Fluidized Bed Boiler - A circulating fluidized bed boiler includes a furnace for combusting carbonaceous fuel, at least one outlet channel connected to the upper portion of the furnace for removing flue gas and solid particles generated in the combustion of the fuel, each outlet channel provided with a particle separator attached with a flue gas channel for transferring cleaned flue gas and a return duct for transferring separated solid particles to the lower portion of the furnace. The return duct is provided with a gas seal, a heat exchange chamber, a lift channel and an overflow conduit, in which solid particles exiting the gas seal are guided to the upper portion of the heat exchange chamber and from the lower portion of the heat exchange chamber through the lift channel to the furnace, or directly from the upper portion of the heat exchange chamber through the overflow conduit to the furnace. At least one downpipe is connected from the upper portion to flow connection with the upper portion of the lift channel and from the lower portion to flow connection with the lower portion of the furnace. Additionally, the overflow conduit is connected to the upper portion of the downpipe. The downpipe is also preferably connected to an inlet for fuel. | 09-15-2011 |
20120067303 | Circulating Fluidized Bed Boiler - A circulating fluidized bed boiler includes a rectangular furnace which is horizontally enclosed by a front wall, a back wall and two sidewalls, and multiple particle separators connected to the upper portion of each of the front wall and the back wall. Each particle separator includes a gas outlet, and flue gas duct system connected to the gas outlets for conducting cleaned flue gas to a back pass. The particle separators are arranged in pairs of particle separators. Each pair of particle separators includes a front separator arranged adjacent to the front wall and a back separator arranged adjacent to the back wall. The flue gas duct system includes cross over ducts, each cross over duct connecting the gas outlet of a front separator of a pair of particle separators, across and over the furnace, to the gas outlet of the back separator of the same pair of particle separators, and to the back pass, which back pass is arranged on the back wall side of the furnace. | 03-22-2012 |
20120237883 | Method of and Arrangement for Feeding Fuel Into a Circulating Fluidized Bed Boiler - A method of feeding at least one of light, fine, volatile and moist fuel into a furnace of a circulating fluidized bed boiler. Fuel is introduced into the furnace and is combusted in the presence of a fluidized bed material to form flue gases. The fluidized bed material is circulated both inside the furnace in an internal circulation in which bed material returns along walls of the furnace down to the bottom of the furnace, and outside the furnace in an external circulation that includes at least a solids separator arranged in flow communication with the furnace. Bed material is separated from the flue gases in the separator. The flue gases are removed from the separator for further treatment. The separated bed material is returned to the furnace. Circulating bed material from at least the internal circulation flowing down along the furnace walls to a return flow is collected, and the return flow is introduced in a consolidated form into communication with the fuel being introduced in the furnace, so that the bed material return flow and the fuel flow are mixed together and flow downwards in the furnace. This increases the residence time of the fuel in the furnace. | 09-20-2012 |
20130284120 | Circulating Fluidized Bed Boiler Having Two External Heat Exchangers for Hot Solids Flow - A circulating fluidized bed boiler including a furnace for combusting solid carbonaceous fuel in a fast fluidized bed, the furnace having walls made of water/steam tube panels and used for evaporating water fed therein. A solids separator arranged adjacent to a sidewall of the furnace separates solids entrained with exhaust gas discharged via an outlet channel from an upper portion of the furnace. A gas seal conveys at least a portion of the separated solids to a first fluidized bed heat exchange changer arranged downstream of the gas seal and has internal heat exchange surfaces. A first lift channel has a lower end connected to a bottom portion of the first fluidized bed heat exchanger chamber and an upper end connected to an upper end of a first return channel for discharging solids from the first fluidized bed heat exchange chamber and for taking the cooled solids to a lower portion of the furnace. A second fluidized bed heat exchange chamber is arranged adjacent to a lower sidewall of the furnace and has internal heat exchange surfaces, an inlet channel arranged between the second fluidized bed heat exchange chamber and the furnace for introducing hot solids from the furnace to the second heat exchange chamber, a second lilt channel having a lower end connected to a bottom portion of the second fluidized bed heat exchange chamber and an upper end connected to discharge the solids to the lower portion of the furnace. The first fluidized bed heat exchanger chamber is positioned above the second. | 10-31-2013 |
Patent application number | Description | Published |
20080261574 | Extending Wlan Signalling - The present invention relates to a method, device, instruction set, and signal for communicating the availability of additional information in access points relevant for determining in a mobile station which access point to connect to. An information tag is inserted into a beacon signal alerting of the additional information available; mobile stations not implemented with the present invention may operate as if the information tag was not present and thus ensuring compatibility between systems. | 10-23-2008 |
20100153715 | PACKET HANDLING IN A MOBILE IP ARCHITECTURE - A method of handling IP packets transmitted from a correspondent node to a mobile node via an intermediate node using the IPsec security protocol. The method comprises, at the correspondent node, identifying specified selector information within the part of the packet to be encrypted, and incorporating the identified information or a digest thereof into a header part of the packet which is to be sent unencrypted, transmitting the packet from the correspondent node to said intermediate node, and, at the intermediate node, receiving the transmitted packet and identifying a policy to be applied to the packet using said information or digest contained in the packet, and applying the policy to the packet. | 06-17-2010 |
20100226310 | INTERFACE SELECTION IN A MOVING NETWORK - A method of establishing a traffic route for a mobile network node attached to a mobile router, where the mobile router has a plurality of upstream interfaces available to it. The method comprises sending from the mobile router to the mobile node, identifiers of the interfaces and of their properties, the identifiers mapping to IPv6 traffic classes or IPv4 type of service. In the case of IPv6, the identifiers may be contained within router advertisement messages broadcast by the mobile router. At the mobile network node, an interface is chosen based upon the identified interface properties. The traffic class or type of service field of at least certain outgoing packets includes the identifier of the chosen interface. At the mobile router, packets are routed across the interface corresponding to the identifier contained in the traffic class or type of service fields, typically using rules created upon detection of a traffic class value in a packet header. | 09-09-2010 |
20120195232 | Method And An Apparatus For Providing Configuration Information To A Mobile Terminal - A method and a Mobile Access Gateway (MAG) node for use in an IP network. The MAG node comprises a server for providing configuration information. The server includes a memory for storing configuration information, and a processing unit configured to generate a request for configuration information associated with a mobile terminal that has attached to the network. The server caches the configuration information in the server memory, and includes one or more items of configuration information from the cached information in a message to be sent to the mobile terminal. | 08-02-2012 |
20150074221 | DNS Server Arrangement And Method - The present invention relates to a Domain Name System (DNS) server and a method for resolving DNS queries from a number of clients. The DNS server comprises multiple virtual DNS server instances servicing different clients. The DNS server further comprises a shared cache for caching records which indicate answers to resolved DNS queries. The shared cache is shared between a set of virtual DNS server instances. The virtual DNS server instances that share the shared cache are able to cache DNS query results in the shared cache as well as resolve a DNS query by retrieving a cached record corresponding to the DNS query from the shared cache. Thus it is possible for a virtual DNS server instance to make use of DNS query results obtained by other virtual DNS server instances. | 03-12-2015 |
Patent application number | Description | Published |
20090300090 | APPARATUS AND METHOD FOR DETERMINING RESOLVER ANGLE - The invention concerns a method and apparatus ( | 12-03-2009 |
20090322273 | METHOD AND APPARATUS FOR CONTROLLING A MOTOR - The invention concerns a method and an apparatus for controlling a three-or-more-phase motor driven by a frequency converter. In the method, a change-over switch of the frequency converter is controlled to a continuously conducting state and at the same time the phase voltages or phase currents of the other phases are controlled by switching the change-over switches in those motor phases at a switching frequency substantially higher than the frequency of the fundamental wave of the phase voltage or phase current. The apparatus comprises in conjunction with the frequency converter a number of change-over switches, at least one change-over switch for each motor phase. The change-over switches comprise controllable change-over contacts. The apparatus further comprises in conjunction with the frequency converter means for determining the motor phase currents and means for controlling the change-over contacts. | 12-31-2009 |
20100187046 | RESTRICTION OF OUTPUT OF ELECTRICAL DRIVE AND PROTECTION OF AN ELEVATOR - The invention discloses a method for restricting the output of an electrical drive, and also a protection of an elevator. The electrical drive comprises a motor as well as a power supply appliance of the motor. In the method for restricting the output of an electrical drive the stator voltage vector is restricted to its limit value restricting only the component of the stator voltage in the direction of the q axis. In the protection of an elevator, the elevator comprises a machinery brake, a safety brake of the elevator car, and also an electrical drive. The protection of an elevator comprises a determination of at least one limit value, a restriction of the output of the electrical drive on the basis of at least one determined limit value, and also a restriction of the movement of the elevator car on the basis of at least one determined limit value. | 07-29-2010 |
20100300815 | MOVEMENT CONTROL OF AN ELEVATOR SYSTEM - A determination of the loading state of an elevator system and also a method for determining the loading state of an elevator system is described. The elevator system includes an elevator car and also a motor drive for moving the elevator car. The loading state of the elevator system is determined on the basis of the position deviation of the elevator motor that occurs during the determination of the loading state. | 12-02-2010 |
20110037421 | DETERMINATION OF THE POSITION OF THE ROTOR OF AN ELECTRIC MACHINE - The invention relates to a frequency converter, and also to a method for determining the position of the rotor of an electric machine. The frequency converter comprises a load bridge and also a control of the load bridge, for supplying electricity between the load bridge and an electric machine connected to the load bridge. The frequency converter comprises a determination for at least one electrical parameter of the aforementioned electric machine, and the frequency converter comprises a determination for the position of the rotor of the aforementioned electric machine. The load bridge is fitted to supply a first alternating electricity excitation signal, which is formed in relation to the electrical angle of the electric machine, to the aforementioned electric machine. The frequency converter is further fitted to determine the first alternating electricity response signal corresponding to the aforementioned first alternating electricity excitation signal, and the position of the rotor is determined on the basis of the first alternating electricity response signal. | 02-17-2011 |
20110108369 | DETERMINATION OF THE MOVEMENT OF A SYNCHRONOUS MACHINE - The invention relates to a method and an apparatus for determining the movement of a synchronous machine. The apparatus for determining the movement of a synchronous machine comprises a determination for at least one electrical magnitude of the synchronous machine; a determination of the position error of the rotor of the synchronous machine, which is fitted to determine the position error of the rotor on the basis of the aforementioned at least one electrical magnitude of the synchronous machine; and also a correction of the movement signal of the incremental sensor, which is fitted to correct the read movement signal of the incremental sensor on the basis of the aforementioned determination of the position error of the rotor of the synchronous machine. | 05-12-2011 |
20110198167 | ARRANGEMENT AND METHOD FOR SUPERVISING THE OPERATION OF A BRAKE - An arrangement and a method for supervising the operation of a brake includes a controllable electromechanical brake, including a magnetic circuit with at least two ferromagnetic parts fitted to move in relation to each other. A thrusting force is exerted between the ferromagnetic parts via a spring. The brake includes a magnetizing coil fitted into the magnetic circuit, for forming magnetic attraction between the parts of the brake. The arrangement includes a control of the brake, which includes at least one controllable switch, for adjusting the electricity supply of the magnetizing coil. The control of the brake comprises a supervision of the movement of the magnetic circuit of the brake. | 08-18-2011 |
20110290593 | TRANSPORTATION SYSTEM - A transportation system and a method are provided for backing up the operational state of a transportation system. The transportation system includes a control apparatus for controlling the operation of the transportation system. The control apparatus further includes capacitive energy storage and a power supply backup circuit adapted to maintain power supply from the said energy storage to a storage circuit for a given length of time in connection with an operational anomaly in power supply to the control apparatus. | 12-01-2011 |
20120286713 | DETERMINATION OF THE POSITION OF THE ROTOR OF AN ELECTRIC MACHINE - A frequency converter and a method for determining the position of the rotor of an electric machine are provided. The frequency converter includes a load bridge and a control of the load bridge, for supplying electricity between the load bridge and an electric machine connected to the load bridge. The frequency converter includes a determination for at least one electrical parameter of the electric machine, and includes a determination for the position of the rotor of the electric machine. The load bridge is fitted to supply a first alternating electricity excitation signal, which is formed in relation to the electrical angle of the electric machine, to the electric machine. The frequency converter is further fitted to determine the first alternating electricity response signal corresponding to the first alternating electricity excitation signal, and the position of the rotor is determined on the basis of the first alternating electricity response signal. | 11-15-2012 |