Abstract: A medical device includes an electric battery storage system including a plurality of battery modules; module fixtures, wherein the battery modules are in the module fixtures, an arrangement of the battery modules in the module fixtures provide a power-related interconnection of the battery modules, the module fixtures are divided into a plurality of basic fixtures and at least one additional fixture; and an equalizing arrangement assigned to the battery storage system, the equalizing arrangement being configured to equalize a low-loss equalization of a basic charge level and an additional charge level between battery modules in the basic fixtures and having a uniform basic charge level and a battery module in the additional fixture and having an additional charge level, and the equalizing arrangement is not configured to cause a uniform basic charge level within the battery modules in the basic fixtures.

Abstract: An electronic circuit includes an inverter and a controller. The inventor is configured to: obtain a DC heating voltage at an input side; convert the DC heating voltage into an AC heating voltage based on a manipulated variable; and make the AC heating voltage available at an output side. The controller is configured to: measure the DC heating voltage and a DC heating current that results from the DC heating voltage; determine a controlled variable based on the DC heating voltage and the DC heating current; and change the manipulated variable based on the controlled variable to control the controlled variable in an internal control circuit to a setpoint value.

Abstract: An electronic circuit is configured to provide an AC heating voltage for heating a filament of an X-ray tube. The electronic circuit contains an inverter configured on the input side to receive a DC heating voltage and to convert the DC heating voltage depending on a manipulated variable into an AC heating voltage and to make available the AC heating voltage on the output side. Similarly, the electronic circuit contains a controller configured to measure the AC heating voltage and an AC heating current resulting from the AC heating voltage and depending on the AC heating voltage and the AC heating current to determine a controlled variable. The controller is configured to vary the manipulated variable depending on the controlled variable, in order to regulate the controlled variable in a regulating circuit to a specified target value.

Abstract: A medical device includes an electric battery storage system including a plurality of battery modules; module fixtures, wherein the battery modules are in the module fixtures, an arrangement of the battery modules in the module fixtures provide a power-related interconnection of the battery modules, the module fixtures are divided into a plurality of basic fixtures and at least one additional fixture; and an equalizing arrangement assigned to the battery storage system, the equalizing arrangement being configured to equalize a low-loss equalization of a basic charge level and an additional charge level between battery modules in the basic fixtures and having a uniform basic charge level and a battery module in the additional fixture and having an additional charge level, and the equalizing arrangement is not configured to cause a uniform basic charge level within the battery modules in the basic fixtures.

Abstract: One or more example embodiments relates to an X-ray source comprising a grid voltage unit including an interface configured to receive a control signal. The grid voltage unit is configured to regulate, via regulation of a first grid voltage at a first grid and via regulation of a second grid voltage at a second grid, a charge quantity available in a capacitor and a generator current as a function of the control signal.

Abstract: An X-ray tube has at least one grid electrode arranged between an anode electrode and a cathode electrode. Via a focusing unit, an electron flow from the cathode electrode to the anode electrode is focused in that the focusing unit supplies the grid electrode with a first electric grid potential. The focusing unit is supplied with electrical energy in an electrically isolated manner via an energy converter. The first electric grid potential is provided via an adjustable voltage divider, and the adjustable voltage divider is adjusted via a control circuit of the focusing unit in that the control circuit is supplied with an electrically isolated control signal of a control unit. The control signal depends on a value for the first electric grid potential.

Abstract: Some example embodiments provide an x-ray tube for a stereoscopic imaging having an evacuated x-ray tube housing; an electron emitter apparatus in the x-ray tube housing, the electron emitter apparatus including a first field effect emitter with a first emitter surface and a second field effect emitter with a second emitter surface, at least one of the first emitter surface or the second emitter surface being segmented such that a portion of the at least one of the first emitter surface or the second emitter surface can be set relative to the respective overall emitter surface by selectively switching emitter segments of the at least one of the first emitter surface or the second emitter surface; an anode unit in the x-ray tube housing, the anode unit configured to generate x-ray radiation for the stereoscopic imaging as a function of electrons striking two focal points; and a control unit.

Abstract: One or more example embodiments relates to an X-ray source comprising a grid voltage unit including an interface configured to receive a control signal. The grid voltage unit is configured to regulate, via regulation of a first grid voltage at a first grid and via regulation of a second grid voltage at a second grid, a charge quantity available in a capacitor and a generator current as a function of the control signal.

Abstract: A base module is for a mobile medical system, designed to cover distances autonomously or semi-autonomously. The base module includes a chassis having a plurality of rolling bodies. The rolling bodies are mounted to rotate about axes of rotation and, via adjusting devices, are adjustable in the vertical direction such that each respective rolling body is movable between a first position, in which the respective rolling body is in contact with a floor area, and a second position, in which the respective rolling body is spaced apart from the floor area. A medical system includes a base module of an embodiment. A method for operation of the medical system is also disclosed.

Abstract: A method is for controlling an X-ray tube including at least one grid electrode arranged between an anode electrode and a cathode electrode. In an embodiment, the method includes focusing, via a focusing unit, a flow of electrons from the cathode electrode to the anode electrode; applying in a first switching state, a first electrical grid potential to the at least one grid electrode via a switching unit, to pinch off the flow of electrons between the anode electrode and the cathode electrode; and applying in a second switching state, a second electrical grid potential to the at least one grid electrode to enable the flow of electrons, at least the second electrical grid potential being provided by the focusing unit.

Abstract: An X-ray tube has at least one grid electrode arranged between an anode electrode and a cathode electrode. Via a focusing unit, an electron flow from the cathode electrode to the anode electrode is focused in that the focusing unit supplies the grid electrode with a first electric grid potential. The focusing unit is supplied with electrical energy in an electrically isolated manner via an energy converter. The first electric grid potential is provided via an adjustable voltage divider, and the adjustable voltage divider is adjusted via a control circuit of the focusing unit in that the control circuit is supplied with an electrically isolated control signal of a control unit. The control signal depends on a value for the first electric grid potential.

Abstract: Some example embodiments provide an x-ray tube for a stereoscopic imaging having an evacuated x-ray tube housing; an electron emitter apparatus in the x-ray tube housing, the electron emitter apparatus including a first field effect emitter with a first emitter surface and a second field effect emitter with a second emitter surface, at least one of the first emitter surface or the second emitter surface being segmented such that a portion of the at least one of the first emitter surface or the second emitter surface can be set relative to the respective overall emitter surface by selectively switching emitter segments of the at least one of the first emitter surface or the second emitter surface; an anode unit in the x-ray tube housing, the anode unit configured to generate x-ray radiation for the stereoscopic imaging as a function of electrons striking two focal points; and a control unit.

Abstract: An X-ray tube of an embodiment includes an anode; and an electron emission device. In an embodiment, the electron emission device includes at least one electron emitter including at least one emission surface and at least one barrier grid, the at least one barrier grid being spaced apart from the at least one emission surface of the electron emitter and includes a definable number of individually controllable grid segments. According to an embodiment, at least one individually definable grid voltage is applicable to each of the grid segments. In a simple manner, an electron-emission device of an embodiment permits the image quality to be adjusted with minimal anode loading.

Abstract: A method is for controlling an X-ray tube including at least one grid electrode arranged between an anode electrode and a cathode electrode. In an embodiment, the method includes focusing, via a focusing unit, a flow of electrons from the cathode electrode to the anode electrode; applying in a first switching state, a first electrical grid potential to the at least one grid electrode via a switching unit, to pinch off the flow of electrons between the anode electrode and the cathode electrode; and applying in a second switching state, a second electrical grid potential to the at least one grid electrode to enable the flow of electrons, at least the second electrical grid potential being provided by the focusing unit.

Abstract: A base module is for a mobile medical system, designed to cover distances autonomously or semi-autonomously. The base module includes a chassis having a plurality of rolling bodies. The rolling bodies are mounted to rotate about axes of rotation and, via adjusting devices, are adjustable in the vertical direction such that each respective rolling body is movable between a first position, in which the respective rolling body is in contact with a floor area, and a second position, in which the respective rolling body is spaced apart from the floor area. A medical system includes a base module of an embodiment. A method for operation of the medical system is also disclosed.

Abstract: An X-ray tube of an embodiment includes an anode; and an electron emission device. In an embodiment, the electron emission device includes at least one electron emitter including at least one emission surface and at least one barrier grid, the at least one barrier grid being spaced apart from the at least one emission surface of the electron emitter and includes a definable number of individually controllable grid segments. According to an embodiment, at least one individually definable grid voltage is applicable to each of the grid segments. In a simple manner, an electron-emission device of an embodiment permits the image quality to be adjusted with minimal anode loading.

Abstract: A transformer unit includes a primary side including a primary coil wound around a transformer core and a secondary side including a secondary coil wound around the core. During operation, a secondary-side actual voltage is established upon application of a primary voltage to the primary coil. The transformer unit includes a first measuring coil, wound around the transformer core, to determine a first measuring voltage; a measuring element, arranged and designed on the primary side to determine a second measuring voltage, the second measuring voltage being correlatable with the additional secondary-side voltage drop; and a controller to control operation of the transformer unit, the controller being designed to adjust the primary voltage so as to induce a secondary desired voltage in the secondary coil, and adjust the primary voltage as a function of the first measuring voltage and the second measuring voltage.

Abstract: A transformer unit includes a primary side including a primary coil wound around a transformer core and a secondary side including a secondary coil wound around the core. During operation, a secondary-side actual voltage is established upon application of a primary voltage to the primary coil. The transformer unit includes a first measuring coil, wound around the transformer core, to determine a first measuring voltage; a measuring element, arranged and designed on the primary side to determine a second measuring voltage, the second measuring voltage being correlatable with the additional secondary-side voltage drop; and a controller to control operation of the transformer unit, the controller being designed to adjust the primary voltage so as to induce a secondary desired voltage in the secondary coil, and adjust the primary voltage as a function of the first measuring voltage and the second measuring voltage.

Abstract: A rapidly regulable high-voltage supply for the electrical focusing of an electron beam using a high-voltage final stage is provided. The high-voltage final stage includes a plurality of amplification elements that are interconnected in a series configuration with a first high-voltage connection, and a potential dividing chain including a series of potential dividing elements. The potential dividing chain is interconnected with the first high-voltage connection and has a signal interconnection with the plurality of amplification elements, so that when a voltage is applied across the potential dividing chain, a difference in voltages between a signal input to any amplification element of the plurality of amplification elements and a signal input to a next amplification element of the plurality of amplification elements has a same sign.

Abstract: An x-ray apparatus includes an x-ray emitter having an x-ray tube, a rotary anode disposed in the x-ray tube, and a drive for the rotary anode. The drive includes a reluctance motor having a stator disposed outside the x-ray tube and a rotor disposed inside the x-ray tube. The rotor is mechanically connected to the rotary anode.