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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 8148922 | High-current DC proton accelerator A dc accelerator system able to accelerate high currents of proton beams at high energies is provided. The accelerator system includes a dc high-voltage, high-current power supply, an evacuated ion accelerating tube, a proton ion source, a dipole analyzing magnet an... | 04/03/2012 |
| 8138692 | Epicyclotron A magnetic field crosses non-uniform rotating electric radial fields which are generated between a central electrode and a series of circumferential outer electrodes. Synchronous charging and partial discharging is applied to the outer electrodes, generating a rotat... | 03/20/2012 |
| 7791290 | Ultra-small resonating charged particle beam modulator A method and apparatus for modulating a beam of charged particles is described in which a beam of charged particles is produced by a particle source and a varying electric field is induced within an ultra-small resonant structure. The beam of charged particles is mo... | 09/07/2010 |
| 7791291 | Diamond field emission tip and a method of formation A diamond field emission tip and methods of forming such diamond field emission tips, for use with cathodes that will act as a source of and emit beams of charged particles. ... | 09/07/2010 |
| 7663327 | Non-axisymmetric periodic permanent magnet focusing system A permanent magnet focusing system includes an electron gun that provides an electron ribbon beam having an elliptical shape. A plurality of permanent magnets provide transport for the electron ribbon beam. The permanent magnets produce a non-axisymmetric periodic p... | 02/16/2010 |
| 7471053 | Multi-beam klystron apparatus The present invention provides a multi-beam klystron apparatus. In the above-described multi-beam klystron apparatus, the magnetic field generating element of the electron-gun-unit-side magnetic field generating unit is disposed around the electron gun unit, and a p... | 12/30/2008 |
| 7432516 | Rapid cycling medical synchrotron and beam delivery system A medical synchrotron which cycles rapidly in order to accelerate particles for delivery in a beam therapy system. The synchrotron generally includes a radiofrequency (RF) cavity for accelerating the particles as a beam and a plurality of combined function magnets a... | 10/07/2008 |
| 7420182 | Combined radio frequency and hall effect ion source and plasma accelerator system This invention features a combined radio frequency (RF) and Hall Effect ion source and plasma accelerator system including a plasma accelerator having an anode and a discharge zone, the plasma accelerator for providing plasma discharge. A gas distributor introduces ... | 09/02/2008 |
| 7400093 | Standing wave particle beam accelerator A method for generating an electron beam includes prescribing a location, and generating an envelope of electrons, the envelope having a waist, wherein the generating is performed such that the waist of the envelope is at or adjacent to the prescribed location. A de... | 07/15/2008 |
| 7397206 | Phase switch and a standing wave linear accelerator with the phase switch A phase switch (energy switch) comprising a three-cavity system (an end-coupled cavity+side-passed accelerate cavity+an end-coupled cavity) and a separate single couple cavity is disclosed. The phase shift between the adjacent accelerate cavities is π when the thre... | 07/08/2008 |
| 7385354 | Multi-beam klystron apparatus A multi-beam klystron apparatus is disclosed. A radio-frequency interaction unit pole piece is arranged between a main magnetic field generator and an output-side magnetic field generator. The magnetic circuit formed in the neighborhood of an output cavity of a radi... | 06/10/2008 |
| 7385203 | Charged particle beam extraction system and method A charged particle beam extraction system and method capable of ensuring higher safety when extraction of an ion beam is on/off-controlled during irradiation of the ion beam for treatment. The charged particle beam extraction system comprises a charged particle beam... | 06/10/2008 |
| 7381967 | Non-axisymmetric charged-particle beam system The charged-particle beam system includes a non-axisymmetric diode forms a non-axisymmetric beam having an elliptic cross-section. A focusing element utilizes a magnetic field for focusing and transporting the non-axisymmetric beam, wherein the non-axisymmetric beam... | 06/03/2008 |
| 7355357 | Plasma accelerator A plasma accelerator is provided. The plasma accelerator includes a chamber having a closed top, an opened bottom and a lateral surface, a first coil section comprising a plurality of coils that are connected to one another in series and are wound around the lateral... | 04/08/2008 |
| 7332880 | Particle beam accelerator The present invention provides a particle beam accelerator for accelerating charged particles along a traveling direction of the charged particles. The invention provides a particle beam accelerator, in which the charged particle beam deflected by spiral-shaped-defl... | 02/19/2008 |
| 7297967 | Particle beam irradiation system and method of adjusting irradiation apparatus The present invention provides an increased degree of uniformity of radiation dose distribution for the interior of a diseased part. A particle beam therapy system includes a charged particle beam generation apparatus and an irradiation apparatus. An ion beam is gen... | 11/20/2007 |
| 7262566 | Standing-wave electron linear accelerator A particle accelerator system, including apparatuses and methods, for producing a beam of bunched charged particles at high intensities and with minimal energy dispersion comprises a bunching section having a plurality of bunching cavities, an accelerating section h... | 08/28/2007 |
| 7259529 | Charged particle accelerator The present invention provides a charged particle accelerator comprising a charged particle generating apparatus, a bending magnet, accelerating means and a vacuum duct, wherein first and second acceleration periods (22), (23) are provided, acceleratin... | 08/21/2007 |
| 7253572 | Electromagnetic induced accelerator based on coil-turn modulation An electromagnetic induced accelerator based on coil-turn modulation, including inner and outer cylinders with different diameters, the cylinders being coaxially disposed to form a channel which is a spatial portion therebetween; a discharging coil wound spirally in... | 08/07/2007 |
| 7247993 | Ion accelerator arrangement The invention relates to an ion accelerator arrangement which uses a combination of a magnetic field having a cusp structure and a cross-section of an ionisation chamber that is extended in one direction transversally in relation to the longitudinal axis. This enabl... | 07/24/2007 |
| 7208890 | Multi-section particle accelerator with controlled beam current A particle accelerator system, including apparatuses and methods, that is configurable through repositioning of shorting devices therein to operate at different charged particle beam currents while maintaining optimum transfer of electromagnetic power from electroma... | 04/24/2007 |
| 7206379 | RF accelerator for imaging applications The present invention is an RF cavity for accelerating electrons in imaging applications such as x-ray tubes and CT applications. An RF cavity having electron emitters placed therein accelerates the electrons across the cavity. The geometric shape of the cavity dete... | 04/17/2007 |
| 7154107 | Particle beam irradiation system and method of adjusting irradiation field forming apparatus A particle therapy system, as one example of a particle beam irradiation system, comprises a charged particle beam generator and an irradiation field forming apparatus. An ion beam from the charged particle beam generator is irradiated to a diseased part in the body... | 12/26/2006 |
| 7148459 | Photon energized cavity and system In a first exemplary embodiment of the invention, an externally and photonically energized unit comprises a shaped resonant cavity, with selected material for converting the incident photons into other electromagnetic radiation for resonance within the cavity; and a... | 12/12/2006 |
| 7129807 | Undulator and method of operation thereof In an undulator for the generation of synchrotron radiation from a particle beam introduced into the undulator, two partial undulators are provided each comprising a conductor of superconductive material which, when a current is conducted therethrough, generates an ... | 10/31/2006 |
| 7122978 | Charged-particle beam accelerator, particle beam radiation therapy system using the charged-particle beam accelerator, and method of operating the particle beam radiation therapy system A charged-particle beam accelerator includes an RF-KO unit for increasing the amplitude of betatron oscillation of a charged-particle beam within a stable region of resonance and an extraction quadrupole electromagnet unit for varying the stable region of resonance.... | 10/17/2006 |
| 7084572 | Plasma-accelerator configuration The invention relates to various advantageous embodiments of a plasma-accelerator configuration, especially for the configuration and design of electron sources used for ionizing the working gas and/or neutralizing the discharged plasma jet. ... | 08/01/2006 |
| 7071479 | Particle beam irradiation system and method of adjusting irradiation apparatus The present invention provides an increased degree of uniformity of radiation dose distribution for the interior of a diseased part. A particle beam therapy system includes a charged particle beam generation apparatus and an irradiation apparatus. An ion beam is gen... | 07/04/2006 |
| 7054801 | Radiation treatment plan making system and method A radiation exposure region to be irradiated with particle beams and a peripheral region thereof are respectively divided into pluralities of exposure regions, radiation treatment simulation for applying particle beams according to the shape of each divided exposure... | 05/30/2006 |
| 7049613 | Particle beam irradiation system and method of adjusting irradiation field forming apparatus A particle therapy system, as one example of a particle beam irradiation system, comprises a charged particle beam generator and an irradiation field forming apparatus. An ion beam from the charged particle beam generator is irradiated to a diseased part in the body... | 05/23/2006 |
| 7045978 | Multi-channel induction accelerator A multi-channel induction accelerator (MIAC) comprised of the injector block, the drive source, the output device, and the multi-channel induction acceleration block. The latter is made in the form of an aggregate of one-channel linear induction acceleration blocks ... | 05/16/2006 |
| 7030576 | Multichannel hall effect thruster A Hall effect thruster for propelling spacecraft and satellites includes at least two acceleration channels, each of the channels has a closed end and an open end, and a plurality of flux guides adjacent each of the channels. The plurality of flux guides includes an... | 04/18/2006 |
| 7030577 | Multi-channel undulative induction accelerator A multi-channel undulation induction accelerator of charged particles, comprising an injector block, drive source, output systems, turning systems, and induction acceleration block, which is made in the form of at least two one-channel linear induction acceleration ... | 04/18/2006 |
| 7026636 | Particle beam irradiation system and method of adjusting irradiation apparatus The present invention provides an increased degree of uniformity of radiation dose distribution for the interior of a diseased part. A particle beam therapy system includes a charged particle beam generation apparatus and an irradiation apparatus. An ion beam is gen... | 04/11/2006 |
| 7012385 | Multi-channel induction accelerator with external channels The invention addresses a multi-channel induction accelerator with external channels, which in its broadest form includes an injector block, a drive system, a block of output systems, and a multi-channel induction accelerative block. The multi-channel induction acce... | 03/14/2006 |
| 7002160 | Sextuplet quadrupole lens system for charged particle accelerators A sextuplet quadruple lens system for focusing charged particles, which lens system is comprised of two symmetrical triplet sets of lens. ... | 02/21/2006 |
| 6949895 | Unipolar electrostatic quadrupole lens and switching methods for charged beam transport A linear acceleration system comprises one or more accelerating stages along an axis and a unipolar electrostatic quadruple lens in series with the one or more accelerating stages. The unipolar electrostatic quadruple lens focuses an ion beam in a direction transver... | 09/27/2005 |
| 6914396 | Multi-stage cavity cyclotron resonance accelerator A high-current, high-gradient, high-efficiency, multi-stage cavity cyclotron resonance accelerator (MCCRA) provides energy gains of over 50 MeV/stage, at an acceleration gradient that exceeds 20 MeV/m, in room temperature cavities. The multi-stage cavity cyclotron r... | 07/05/2005 |
| 6903521 | Electromagnetic induced accelerator An electromagnetic induced accelerator includes internal and external circular loop inductors for inducing a magnetic field when a current is applied to the internal and external circular loop inductors in a same direction, the internal and external circular loop in... | 06/07/2005 |
| 6903351 | Charged particle beam irradiation equipment having scanning electromagnet power supplies A power supply for applying a voltage to a scanning electromagnet for deflecting a charged particle beam has a first power supply unit having no filter and a second power supply unit having a filter. When an irradiation position of the charged particle beam in an ir... | 06/07/2005 |
