Abstract: The present disclosure relates to a method of accessing a n-dimensional tensor of elements in a memory by a computer system. The multidimensional tensor comprises two-dimensional arrays, herein referred to as pages, each page being configured to comprise a predefined number of one-dimensional arrays of elements, herein referred to as sticks. The method includes linearly loading page per page of the tensor, and doing the following for each page: loading the non-empty sticks of the page from the memory using a base address of the page and determining a base address for the subsequent page using the number of loaded sticks and using an address offset indicative of potential empty sticks of the page. In case the number of loaded pages reaches a chunk size, the chunk page counter may be reinitialized and the linear loading may be continued with a subsequent page.

Abstract: A diagnostic manometry device comprises a catheter including a plurality of lumens, a fluid charger configured to operatively couple with the catheter, and a charging mechanism for moving fluid simultaneously from fluid pressure chambers of the plurality of fluid pressure chambers into the respective lumens of the plurality of lumens when the catheter is operatively coupled with the fluid charger. Each fluid pressure chamber of the plurality of fluid pressure chambers is configured to be in fluid communication with a respective lumen of the plurality of lumens when the catheter is operatively coupled with the fluid charger. Each pressure sensor of the plurality of pressure sensors is located and configured to measure a fluid pressure change in a respective fluid pressure chamber of the plurality of fluid pressure chambers. Additional manometry devices and methods of forming a manometry device are also disclosed.

Abstract: A method for using a photon source, which includes a semiconductor structure having a first light emitting diode region, a second region including a quantum dot, a first voltage source, and a second voltage source, is provided. The method includes steps of applying an electric field across said first light emitting diode region to cause light emission by spontaneous emission, wherein the light emitted from said first light emitting diode region is absorbed in said second region and produces carriers to populate said quantum dot; and applying a tuneable electric field across said second region to control the emission energy of said quantum dot, wherein the light emitted from the second region exits said photon source.

Abstract: Provided is a method and system that includes a direct current solid state power controller that includes a plurality of switching devices connected in parallel for performing switching, one or more main transient voltage suppressors (TVSs) to perform voltage clamping, a plurality of parasitic inductances each connected in series with a switching device of the plurality of switching devices, and a plurality of local TVSs each connected in parallel with a series connection of a switching device and at least one parasitic inductor of the plurality of parasitic inductances, to dissipate energy stored within the at least one parasitic inductor of the plurality of parasitic inductances.

Abstract: A power distribution switch including a micro electro mechanical system (MEMS) relay switch matrix disposed between a power source and an electrical load, and a controller module configured to operate the MEMS relay switch between a conducting and a non-conducting state, wherein the conducting state conducts power from the power source to the electrical load and the non-conducting state prevents power conduction from the power sources to the electrical load.

Abstract: A splice sealing device including a first electric cable having an electrical conductor and an insulative cover, a second electric cable having a further electrical conductor and insulative cover, a junction joining the electrical conductors of the first and second electrical cables, a housing which has at least two housing parts mated to each other and which delimits an inner space for accommodating the junction, and a first cable exit in the housing. The first cable extends through the first cable exit, which includes a first chamber accommodating a first cable seal positioned on the first insulative cover of the first cable and sealing the first cable against the housing. The first cable exit is an integral part of a first housing part, and the first cable exit includes an annular wall axially delimiting the first chamber to the outside in extension direction of the first cable.

Abstract: An apparatus and method for detecting arc faults in a circuit having a switch (28), including a leakage current management device (46), an arc fault detector (30) arranged to monitor output voltage and to send a signal representative of the output voltage, and a controller (36) coupled to the arc fault detector (30). The controller (36) is configured to monitor the output voltage signal, compare the output to a threshold, and if the output exceeds the threshold, provide an arc fault indication.

Abstract: A method for using a photon source, which includes a semiconductor structure having a first light emitting diode region, a second region including a quantum dot, a first voltage source, and a second voltage source, is provided. The method includes steps of applying an electric field across said first light emitting diode region to cause light emission by spontaneous emission, wherein the light emitted from said first light emitting diode region is absorbed in said second region and produces carriers to populate said quantum dot; and applying a tuneable electric field across said second region to control the emission energy of said quantum dot, wherein the light emitted from the second region exits said photon source.

Abstract: A splice sealing device including a first electric cable having an electrical conductor and an insulative cover, a second electric cable having a further electrical conductor and insulative cover, a junction joining the electrical conductors of the first and second electrical cables, a housing which has at least two housing parts mated to each other and which delimits an inner space for accommodating the junction, and a first cable exit in the housing. The first cable extends through the first cable exit, which includes a first chamber accommodating a first cable seal positioned on the first insulative cover of the first cable and sealing the first cable against the housing. The first cable exit is an integral part of a first housing part, and the first cable exit includes an annular wall axially delimiting the first chamber to the outside in extension direction of the first cable.

Abstract: A switch module includes a first single-throw switch having a first input terminal 20 switchable to a common terminal. A second single-throw switch has a second input terminal switchable to the common terminal. A first control is coupled to the first single-throw switch and a second control is coupled to the second single-throw switch. The first and second controls are configured to independently control, respectively, the first and second single-throw switches.

Abstract: A method and apparatus for modular power distribution includes an end module and at least one switching module having a switching module electrical power interface configured to electrically connect to at least one of the end module electrical power interface or another switching module electrical power interface, and having at least one of a switching element, an input/output connector, a switching module communication interface, or a bus bar connector, wherein the modules are physically secured.

Abstract: Systems and apparatuses for electrically switching current include a first conductor formed of an electrically conductive material and having a first longitudinal axis; a second conductor formed of the electrically conductive material and having a second longitudinal axis; a set of switching components, each component selectively configured to electrically couple the first conductor to the second conductor; and a printed circuit board on which the first and second conductors are disposed. The width of the first conductor along the first longitudinal axis varies such that the current density in the first conductor is substantially constant along the first longitudinal axis and the width of the second conductor along the second longitudinal axis varies such that the current density in the second conductor is substantially constant along the second longitudinal axis.

Abstract: Described herein are methods and devices for improved location of any and all underwater structures or equipment installed underwater. In particular, systems are disclosed that combine optical and acoustic metrology for locating objects in underwater environments. The systems allow for relative positions of objects to be determined with great accuracy using optical techniques, and support enhanced location of devices that utilize acoustic location techniques. In addition, location information can be provided by the system even in conditions that make optical metrology techniques impossible or impractical.

Abstract: Described herein are methods and devices for improved location of any and all underwater structures or equipment installed underwater. In particular, systems are disclosed that combine optical and acoustic metrology for locating objects in underwater environments. The systems allow for relative positions of objects to be determined with great accuracy using optical techniques, and support enhanced location of devices that utilize acoustic location techniques. In addition, location information can be provided by the system even in conditions that make optical metrology techniques impossible or impractical.

Abstract: Described herein are methods and devices for improved location of any and all underwater structures or equipment installed underwater. In particular, systems are disclosed that combine optical and acoustic metrology for locating objects in underwater environments. The systems allow for relative positions of objects to be determined with great accuracy using optical techniques, and support enhanced location of devices that utilize acoustic location techniques. In addition, location information can be provided by the system even in conditions that make optical metrology techniques impossible or impractical.

Abstract: Method(s) for limiting current in an electrical circuit having transmission wires for power transmission include determining whether an unexpected operating condition exists along the transmission wires and limiting the current to prevent (damage caused by) the unexpected operating condition. The method may further include disabling the electrical circuit if the unexpected operating condition persists. Additionally, a system includes a power source, a solid state power controller (SSPC) configured to operate in a first conducting state and a second non-conducing state, and a controller.

Abstract: A method for measurement of dose distribution in a radiotherapy apparatus includes providing a detector holder situated at least partially within a tank, the detector holder comprising a radio-opaque marker and a visual reference point, the marker and the reference point being separated and in a fixed spatial relationship to each other; locating the tank within a bore of the radiotherapy apparatus; rotating a gantry and monitoring the position of the detector holder with an imaging apparatus; vertically displacing the detector holder until the reference point is positioned at a desired level, and adding liquid to or removing liquid from the tank until the surface of the liquid is level with the reference point. Features of the detector holder and tank are also described.

Abstract: An optoelectronic system comprising a first member and a second member, said first member and said second member comprising a plurality of layers, wherein each member has a profiled mating surface, the first member being connected to the second member such that the growth direction of the layers of the first member are orthogonal to the growth direction of the layers of the second member and the profiled mating surfaces fit together, the first member comprises a waveguide circuit comprising a waveguide and the second member comprises an optoelectronic device with its own optical output which is connected to the waveguide of the first member, the first and second members also being electrically connected.

Abstract: An optical measuring device for measuring a measurement region, the optical device comprising a photonic chip with an interferometer defined on said chip, said interferometer comprising first and second waveguides on said photonic chip and an interference region, wherein the first and second waveguides carry signals from the interference region to the sample region and back to the interference region, the device further comprising a phase adjusting unit configured to vary a phase difference between the signals in the first and second waveguides reflected by the measurement region.

Abstract: Provided is a method and system that includes a direct current solid state power controller that includes a plurality of switching devices connected in parallel for performing switching, one or more main transient voltage suppressors (TVSs) to perform voltage clamping, a plurality of parasitic inductances each connected in series with a switching device of the plurality of switching devices, and a plurality of local TVSs each connected in parallel with a series connection of a switching device and at least one parasitic inductor of the plurality of parasitic inductances, to dissipate energy stored within the at least one parasitic inductor of the plurality of parasitic inductances.