Patent application number | Description | Published |
20080296509 | Phase-shifting element and particle beam device having a phase-shifting element - A phase-shifting element for shifting a phase of at least a portion of a particle beam is described, as well as a particle beam device having a phase-shifting element of this type. In the phase-shifting element and the particle beam device having a phase-shifting element, components shadowing the particle beam are avoided, so that proper information content is achieved and in which the phase contrast is essentially spatial frequency-independent. The phase-shifting element may have at least one means for generating a non-homogeneous or anisotropic potential. The particle beam device according to the system described herein may be provided with the phase-shifting element. | 12-04-2008 |
20090039257 | Electron beam device - An electron beam device has an electron gun for generating an electron beam, an objective lens for focusing the electron beam on an object and at least one detector for detecting electrons emitted by the object or electrons backscattered by the object. Detection of electrons emitted by or backscattered by an object may be simplified and improved using quadrupole devices and certain configurations of these devices provided in the electron beam device. | 02-12-2009 |
20100038537 | Particle beam apparatus having an annularly-shaped illumination aperture - A particle beam apparatus has an optical axis (OA), an illuminating system ( | 02-18-2010 |
20100181481 | Phase contrast electron microscope - A phase contrast electron microscope has an objective ( | 07-22-2010 |
20100258719 | PARTICLE-BEAM MICROSCOPE - A particle beam microscope includes an illumination system generating a particle beam having a ring-shaped conical configuration. A selective detection system is configured to selectively detect one of two groups of particles having traversed the object region. The first group of particles includes the particles that traversed the object region un-scattered or scattered by a small scattering amount. The second group of particles includes particles scattered in the object region by a greater scattering amount. | 10-14-2010 |
20110210249 | Transmission Electron Microscope - A transmission electron microscope in which a sample is positioned in a sample plane | 09-01-2011 |
20110233402 | Phase-shifting element and particle beam device having a phase-shifting element - A phase-shifting element for shifting a phase of at least a portion of a particle beam is described, as well as a particle beam device having a phase-shifting element of this type. In the phase-shifting element and the particle beam device having a phase-shifting element, components shadowing the particle beam are avoided, so that proper information content is achieved and in which the phase contrast is essentially spatial frequency-independent. The phase-shifting element may have at least one means for generating a non-homogeneous or anisotropic potential. The particle beam device according to the system described herein may be provided with the phase-shifting element. | 09-29-2011 |
20120025094 | CHARGED PARTICLE BEAM SYSTEM - A charged particle beam system for performing precession diffraction includes a lens | 02-02-2012 |
20120326030 | Particle Beam Microscope - A particle beam microscope comprises a magnetic lens | 12-27-2012 |
20120326032 | Particle Beam Microscope - A particle beam microscope comprises a magnetic lens | 12-27-2012 |
20130001445 | PHASE-SHIFTING ELEMENT AND PARTICLE BEAM DEVICE HAVING A PHASE-SHIFTING ELEMENT - A phase-shifting element for shifting a phase of at least a portion of a particle beam is described, as well as a particle beam device having a phase-shifting element of this type. In the phase-shifting element and the particle beam device having a phase-shifting element, components shadowing the particle beam are avoided, so that proper information content is achieved and in which the phase contrast is essentially spatial frequency-independent. The phase-shifting element may have at least one means for generating a non-homogeneous or anisotropic potential. The particle beam device according to the system described herein may be provided with the phase-shifting element. | 01-03-2013 |
20130256558 | APPARATUS FOR CONTAMINANTS BEING DEPOSITED THEREON - An apparatus for contaminants being deposited thereon in a particle beam device, and also the particle beam device including the apparatus, are provided. This apparatus may be an anticontaminator. The apparatus according to the system described herein may include at least one cooling unit. The cooling unit may provide at least one cooled surface on which contaminants in a particle beam device are deposited. The apparatus according to the system described herein may further include at least one aperture unit. The aperture unit may be arranged at a motion device for moving the aperture unit relative to the cooling unit. Furthermore, the aperture unit may have at least one aperture opening. The cooling unit may be connected to the aperture unit by at least one first flexible thermal conductor. | 10-03-2013 |
20130292566 | Transmission Electron Microscopy System and Method of Operating a Transmission Electron Microscopy System - A transmission electron microscopy system comprises: an illumination system ( | 11-07-2013 |
20150069235 | Particle Optical System - A particle optical system comprises a beam generating system ( | 03-12-2015 |
20150144787 | ELECTRON MICROSCOPE - An electron microscope includes an electron beam source, a first electromagnet, a second electromagnet and a detector. The field generated by the first electromagnet has an effect of three lenses subsequently arranged along the beam path. A first lens of these lenses is arranged upstream of the object plane and focuses the beam at the object plane. The second lens of these three lenses is arranged downstream of the object plane. The third lens of these three lenses generates an image of a diffraction plane of the second lens at the detector. The magnetic field generated by the second electromagnet has an effect of a fourth lens and can be changed in order to change a size of the image of the diffraction plane of the second lens on the detector. | 05-28-2015 |
20150357157 | PARTICLE BEAM SYSTEM AND METHOD FOR OPERATING A PARTICLE OPTICAL UNIT - A method for operating a multi-beam particle optical unit comprises includes providing a first setting of effects of particle-optical components, wherein a particle-optical imaging is characterizable by at least two parameters. The method also includes determining a matrix A, and determining a matrix S. The method further includes defining values of parameters which characterize a desired imaging, and providing a second setting of the effects of the components in such a way that the particle-optical imaging is characterizable by the parameters having the defined values. | 12-10-2015 |
Patent application number | Description | Published |
20100090842 | Signal Transmitter for a Filling Level Sensor - A signal transmitter for a filling level sensor has two sliding contacts which are manufactured integrally with a holder and with spring elements. This leads to the manufacturing costs of the signal transmitter being particularly low. The sliding contacts are arranged on spring tongues and are connected to one another via a link. The spring tongues and the spring elements are therefore arranged in a row and allow the sliding contacts to be prestressed particularly uniformly against sliding tracks of the signal transmitter. | 04-15-2010 |
20100207610 | Magnetic Passive Position Sensor - A magnetic passive position sensor including a base plate and a cover which form a housing, a magnet that can be moved outside the housing, a resistance network that has several individual electric contacts, and a plurality of contact spring elements that are arranged within the range of motion of the magnet, are interconnected by a common base, and consist of a bending zone and a contact zone. The contact spring elements face the contacts of the resistance network in such a way that the contact zones can be moved from the magnets against the contacts of the resistance network, the contact zones of at least two contact spring elements being assigned to each individual contact of the resistance network. Two adjoining contact spring elements are mechanically interconnected. | 08-19-2010 |
20130276531 | FUEL DELIVERY UNIT - A fuel delivery unit in a fuel tank of a motor vehicle, having a surge pot, a fuel pump is arranged in the surge pot fuel out of the surge pot to an internal combustion engine of the motor vehicle, a pump holder for fastening the fuel pump in the surge pot, and a fill level sensor for determining the fill level in the fuel tank. The fill level sensor ( | 10-24-2013 |
20140326065 | Device for contacting at least one conducting track of a filling-level sensor - A device for contacting at least one conducting track has a contact spring that is connected to a pivotable bow by a pivot bearing. The contact spring also has spring elements connected in series for preloading contacts against the conducting track. An axis of the pivot bearing is arranged parallel to the direction of motion of the contacts over the conducting tracks. | 11-06-2014 |
20140331765 | Filling Level Indicator - A filling level indicator includes a retainer, a bow rotatably supported on the retainer and having a lever arm fastened thereto, a float fastened to the lever arm, and a filling level sensor arranged in the retainer. The filling level sensor has a substrate, a resistance network arranged thereon, a contact spring structure, and a cover, connected to the substrate, that covers the resistance network and the contact spring structure. A magnet is connected to the bow or the lever arm and acts on the contact spring structure such that an electrical signal corresponding to the filling level is generated according to the pivoting range. The mount has a wall thickness that can be penetrated by the magnetic field of the magnet, and so metal particles are held on the outside of the mount by the magnetic field of the magnet. | 11-13-2014 |
Patent application number | Description | Published |
20140292332 | DEVICE, METHOD AND SYSTEM FOR CONTROLLING IMAGING METHODS AND SYSTEMS - In a computer-implemented method, device and system for controlling an imaging system, a specific absorption rate is calculated with a computation unit and an RF transmission signal of the imaging system is controlled with a control device. The process of controlling of the RF transmission signal includes disconnecting the RF transmission signal when a remaining period during which the RF transmission signal is harmless for the patient has been reduced to zero. | 10-02-2014 |
20140307764 | Operation of a Transmission Device of a Magnetic Resonance Device - A method for operating a transmission device of a magnetic resonance device is provided. In order to actuate coil elements of a radiofrequency coil with different phases, phase differences in a reference plane are taken into consideration. In a first calibration measurement to be performed once for each transmission path, a first phase of a transmitted radiofrequency signal is measured by an internal measuring device installed permanently in the transmission device spaced apart from the reference plane. A second phase of the transmitted radiofrequency signal is measured by a second, external measuring device to be connected to the reference plane for the first calibration measurement. At least one phase of the first phase and the second phase is taken into consideration in the phase-accurate actuating of the coil elements and/or for correcting further measurements with the internal measuring device. | 10-16-2014 |
20150022203 | Automatic HF Shim Configuration for Coils - In order to configure a transmission coil of a magnetic resonance imaging (MRI) system without taking a specific measurement object into account, the transmission coil is automatically detected and identified when the transmission coil is connected to the MRI system. A phase setting of a pulse to be transmitted by the detected transmission coil is identified based on at least the identified type of the transmission coil. The transmission coil is excited with the pulse having the identified phase and amplitude. | 01-22-2015 |
20150022206 | Hybrid Averaging Method for Specific Absorption Rate Supervision - In order to reduce the memory footprint used for monitoring specific absorption rate (SAR) in a magnetic resonance imaging (MRI) system, a hybrid sliding window method is provided. The method includes receiving a measured value once every first time interval, processing the measured value, and storing a value resulting from the processing in a first memory element. Measured values stored in second memory elements are summed every second time interval, where the first time interval is less than the second time interval. A representation of SAR is calculated every first time interval based on the value resulting from the processing and the sum of the measured values of the second memory elements. When the second time interval is reached, the value stored in the first memory element is moved to one of the second memory elements, and the value stored in the first memory element is reset to zero. | 01-22-2015 |
20150077108 | Measurement of Radio Frequency Excitation Pulses - The embodiments relate to methods for measurement of RF excitation pulses by a magnetic resonance device including the following acts: (1) sending of an RF excitation pulse by a radio-frequency system of the magnetic resonance device, (2) triggering of a receive event for capturing the RF excitation pulse by the control device of the magnetic resonance device, and (3) capturing of the sent RF excitation pulse in the form of excitation data by the radio frequency system. In certain embodiments, the excitation data is used for checking process execution sequences. | 03-19-2015 |
20150077113 | Determining a Position and/or a Motion of a Patient During a Medical Imaging Examination - A medical imaging apparatus includes a detector unit, a patient-receiving area at least partially surrounded by the detector unit, and a motion capture unit. The motion capture unit includes at least one first motion capture sensor for capturing patient monitoring data relating to a motion of the patient, and at least one second motion capture sensor for the capture of further motion data relating to a motion of the first motion capture sensor. | 03-19-2015 |
20150289780 | Method of Illumination and Illuminating Device - Methods of illumination by laser light are provided, in particular for determining and/or adjusting the position of a patient supported on a patient table of an imaging recording device, wherein the head of the patient and/or surroundings of the head are illuminated by a laser pattern, wherein the eyes of the patient are excluded from the illumination by the laser pattern. | 10-15-2015 |
20160029135 | Method for adjusting a volume level of a communications unit and a communications unit - A method for adjusting a volume level of a communications unit is provided. The communications unit is configured for communication between a medical operator and a patient during a magnetic resonance examination and includes at least one microphone and at least one loudspeaker. The method includes detecting communication signals by the at least one microphone, transmitting the detected communication signals to the at least one loudspeaker, and an acoustic output of the detected communication signals by the at least one loudspeaker. A volume level of the at least one microphone may be automatically adjusted during detection of the communication signals, and/or a volume level of the at least one loudspeaker may be automatically adjusted during the acoustic output of the communication signals. | 01-28-2016 |
20160038054 | METHOD AND APPARATUS TO ACQUIRE MAGNETIC RESONANCE IMAGES IN A SESSION, WITH ACQUISITION OF A CONSISTENTLY VALID REFERENCE SCAN - In a magnetic resonance (MR) imaging method and apparatus, multiple diagnostic scans are obtained of an examination subject during an imaging session. An initial reference scan of the subject is obtained at the beginning of the session and, as the session proceeds, an automatic determination is made before each diagnostic scan is obtained as to whether the immediately preceding reference scan is still valid, primarily be checking whether an amount of patient movement has occurred that renders the immediately preceding reference scan invalid. Either a new reference scan is obtained before the next diagnostic scan, or, if still valid, the immediately preceding reference scan is used for the next diagnostic scan. | 02-11-2016 |
20160038101 | PATIENT COUCH SUPPORT, PATIENT COUCH AND SYSTEM FOR DISSIPATING HEAT OF THE PATIENT COUCH SUPPORT - One or more embodiments provide a patient couch support for dissipating heat of the patient couch support. The patient couch support includes a surface to accept an examination object and at least one channel for carrying a fluid running at least partly inside the patient couch support. The at least one channel has at least one inlet opening for delivering the fluid and at least one outlet opening for taking away the fluid. One or more embodiments provide a corresponding patient couch and a system for dissipating heat of the patient couch support. | 02-11-2016 |
20160091585 | METHOD AND MEDICAL IMAGING APPARATUS OF DETERMINING TIME WINDOWS IN A SCAN SEQUENCE - In a method for determining time windows in a scan sequence, in which values of setting parameters of a scan can be changed during a current scan without adversely affecting the scan data obtained with the scan, comprising the following a scan sequence is loaded into a control computer, that then determines the time windows in the scan sequence in which values of setting parameters can be changed during a current scan, on the basis of an analysis of useful coherences in the scan sequence. The determined time windows are stored or processed so as to be available to operate an imaging apparatus to execute the scan sequence. | 03-31-2016 |
20160091586 | MEDICAL IMAGING APPARATUS HAVING MULTIPLE SUBSYSTEMS, AND OPERATING METHOD THEREFOR - In a method for operating a medical imaging apparatus having subsystems, a control protocol assigned to a scan sequence to be performed is provided to a control computer that determines sequence control data for the control protocol, which define different functional subsequences of the scan sequence. Different effective volumes are assigned to each functional subsequence, and current ambient conditions of the apparatus are determined for the sequence control data and associated effective volumes, for a series of states of physiological processes that occur during the scan sequence. Control signals for the scan sequence are determined from the sequence control data, the effective volumes and the current ambient conditions per observed state, that optimize the functional subsequences of the scan sequence locally. During the scan, at least one current state of the observed physiological processes is determined and the control signals used for the ongoing scan are determined from the stored control signals, dependent on the at least one current state. | 03-31-2016 |
20160091587 | MEDICAL IMAGING APPARATUS HAVING MULTIPLE SUBSYSTEMS, AND OPERATING METHOD THEREFOR - In a method for operating a medical imaging examination apparatus having multiple subsystems, current ambient conditions in a scan volume of the apparatus are determined and stored in a global ambient condition parameter set. A control computer starts a scan sequence according to a selected scan protocol, and sequence control data that define different functional sub-sequences for the respective subsystems are provided to the control computer. Different effective volumes are assigned to each functional sub-sequence, and respective current sub-regions in the effective volume associated with the respective sub-sequence are determined, in which a volume optimization is to take place. Control signals for the scan sequence are calculated using the sequence control data, the global ambient condition parameter set, and the determined current sub-regions of the affected volumes, in order to optimize the functional sub-sequences at least with regard to the current sub-region of the assigned effective volume. | 03-31-2016 |
20160091588 | MEDICAL IMAGING APPARATUS HAVING MULTIPLE SUBSYSTEMS, AND OPERATING METHOD THEREFOR - In a method for operating a medical imaging apparatus having subsystems, a control protocol assigned to a scan sequence to be performed is provided to a control computer that determines sequence control data for the control protocol, which define different functional subsequences of the scan sequence. Different effective volumes are assigned to each functional subsequence, and current ambient conditions of the apparatus are determined for the sequence control data and associated effective volumes, for a series of states of physiological processes that occur during the scan sequence. Control signals for the scan sequence are determined from the sequence control data, the effective volumes and the current ambient conditions per observed state, that optimize the functional subsequences of the scan sequence locally. During the scan, at least one current state of the observed physiological processes is determined and the control signals used for the ongoing scan are determined from the stored control signals, dependent on the at least one current state. | 03-31-2016 |
20160091589 | MEDICAL IMAGING APPARATUS HAVING MULTIPLE SUBSYSTEMS, AND OPERATING METHOD THEREFOR - In a method for operating a medical imaging apparatus having multiple subsystems, a control protocol assigned to a scan sequence to be performed is provided to a control computer that determines sequence control data for the control protocol, which define different functional subsequences of the scan sequence. Different effective volumes are assigned to each functional subsequence, and current ambient conditions of the apparatus are determined for the sequence control data and associated effective volumes. Control signals for the scan sequence are determined from the sequence control data, the effective volumes and the current ambient conditions that optimize the functional subsequences of the scan sequence locally, at least with regard to a sub-region of the respective effective volumes. During the scan, at least one change of a sub-region of a respective effective volume is determined and the control signals used for the ongoing scan are modified, dependent on the change, to maintain the aforementioned optimization. | 03-31-2016 |
20160091590 | MEDICAL IMAGING APPARATUS HAVING MULTIPLE SUBSYSTEMS, AND OPERATING METHOD THEREFOR - In a method for operating a medical imaging examination apparatus having multiple subsystems controlled by a control computer in a scan sequence, a control protocol for the scan is provided to the control computer, which determines sequence control data for the control protocol that define different functional subsequences of the scan, with different effective volumes assigned to each functional subsequence. Current ambient conditions of the apparatus are determined that are decisive for the determined relevant sequence control data and associated effective volumes. Control signals for the scan are determined from the sequence control data, the effective volumes and the current ambient conditions determined that optimize the functional subsequences of the scan. | 03-31-2016 |
Patent application number | Description | Published |
20080315077 | SCANNING UNIT FOR AN OPTICAL POSITION-MEASURING DEVICE - A scanning unit for an optical position-measuring device includes a semiconductor light source and at least one downstream reflector element that has a defined optical effect on the beams of rays emitted by the semiconductor light source. The optically active surface of the reflector element is arranged in subregions to be reflection-preventive such that no beams of rays are reflected back from the reflector element into the semiconductor light source. | 12-25-2008 |
20110109917 | OPTICAL POSITION MEASURING DEVICE - A measuring device for detecting a relative position, the measuring device including a measurement graduation movable in at least one measurement direction and a scanning unit for determining a relative position of the measurement graduation with respect to the scanning unit. The scanning unit includes a light source, a scanning grating disposed on a first side of a transparent carrier element that is positioned in a scanning beam path and a detector arrangement. The scanning unit further includes an attenuation structure that adjusts a light intensity on the detector arrangement in a defined manner, wherein either 1) the attenuation structure is disposed on a second side, opposite the first side, of the transparent carrier element or 2) the attenuation structure has a permeability that varies as a function of location at least along one direction so that a light intensity which is uniform at least in that one direction results on the detector arrangement. | 05-12-2011 |
20110261422 | POSITION MEASURING DEVICE - A position measuring device including a code having a sequence of code elements of equal width B that is disposed in a measurement direction and includes a first property and a second property. The sequence of codes elements includes a first set of code elements having the first property and a second set of code elements having the second property, wherein the first and second sets of code elements are each being disposed aperiodically. The position measuring device further including a scanning unit having a plurality of detectors for scanning the code and obtaining scanning signals, wherein a code word defining an absolute position is defined from the scanning signals. The position measuring device including an arrangement for forming an incremental signal from the scanning signals, wherein the arrangement includes a converter device and a collection device arranged downstream of the converter device and wherein the collection device forms respective intermittently periodic partial signals from the scanning signals derived from scanning positions in a spacing matrix. | 10-27-2011 |
20120081711 | Position-Measuring Device - A position-measuring device is suited for detecting the relative position of a scanning unit and a reflection measuring grating movable relative thereto in at least one measuring direction. The scanning unit includes a primary light source as well as at least one detector assembly in a detection plane. A periodic configuration of point light sources is able to be generated in the detection plane from the primary light source. The primary light source is disposed above the detection plane. | 04-05-2012 |
20130063732 | ROTARY POSITION MEASURING INSTRUMENT - A rotary position measuring instrument that includes a light source and a graduated disk having a measuring standard. The rotary position measuring instrument including an optoelectronic detector assembly, wherein the graduated disk is rotatable relative to the light source and the detector assembly about an axis of rotation, wherein rotary-angle-dependent position signals are detectable via the detector assembly. The light source is spaced apart from the measuring standard by a first distance, and the detector assembly is disposed at a second distance from the measuring standard, wherein the second distance is different than the first distance. The graduated disk includes an optical element, which has an optical effect that results in a projecting an image of the light source into a position which has a third distance from the measuring standard, wherein the third distance is different than the first distance. | 03-14-2013 |