Abstract: Techniques of designing a sensing system for pseudo 3D mapping in robotic applications are described. According to one aspect of the present invention, an image system is designed to include at least two linear sensors, where these two linear sensors are positioned or disposed orthogonally. In one embodiment, the two linear sensors are a horizontal sensor and a vertical sensor. The horizontal sensor is used for the lidar application while the vertical sensor is provided to take videos, namely scanning the environment wherever the horizontal sensor misses. As a result, the videos can be analyzed to detect anything below or above a blind height in conjunction with the detected distance by the lidar.

Abstract: Disclosed herein are MEMS devices and systems and methods of manufacturing or operating the MEMS devices and systems. In some embodiments, the MEMS devices and systems are used in imaging applications.

Abstract: An improved heterostructure for an optoelectronic device is provided. The heterostructure includes an active region, an electron blocking layer, and a p-type contact layer. The heterostructure can include a p-type interlayer located between the electron blocking layer and the p-type contact layer. In an embodiment, the electron blocking layer can have a region of graded transition. The p-type interlayer can also include a region of graded transition.

Abstract: Systems, apparatuses, and methods for evaluation of fluid quality are provided. The system includes a vessel containing a quantity of fluid. At least one sensor is positioned to emit at least one signal into the quantity of fluid. A temperature sensor is configured to sense a temperature of the quantity of fluid. A computerized device is in communication with the at least one sensor and the temperature sensor. The processor of the computerized device calculates at least a fluid identity of the quantity of fluid and determines a quality of the quantity of fluid based on the at least one signal from the at least one sensor and the sensed temperature of the quantity of fluid. The system may have a particular benefit in evaluating dielectric fluid degradation used in liquid cooled centers and other settings.

Abstract: A solution for irradiating a flowing fluid through a channel with ultraviolet radiation is provided. Ultraviolet radiation sources can be located within the channel in order to direct ultraviolet radiation towards the flowing fluid and/or the interior of the channel. A valve can be located adjacent to the channel to control the flow rate of the fluid. A control system can control and adjust the ultraviolet radiation based on the flow rate of the fluid and a user input component can receive a user input for the control system to adjust the ultraviolet radiation. The ultraviolet radiation sources, the control system, the user input component, and any other components that require electricity can receive power from a rechargeable power supply. An electrical generator located within the channel can convert energy from the fluid flowing through the channel into electricity for charging the rechargeable power supply.

Abstract: A clamping force monitoring device is provided having a step washer, a contact plate, a compression washer separating the step washer and the contact plate, a threaded fastener extending through the step washer and the compression washer, a nut and an electric circuit, wherein when a sufficient axial force is exerted in the threaded fastener by engagement of the nut, the compression washer is compressed and the step washer is in contact with the contact plate, thereby closing the electric circuit. A method for monitoring a threaded fastener is provided including extending a threaded fastener through a step washer and a compression washer and engaging the threaded fastener with a nut, wherein when a sufficient axial force is applied to the threaded fastener by the nut, the compression washer is compressed and the step washer contacts a contact plate, thereby closing an electric circuit.

Abstract: An apparatus and method is provided for coating a surface of a material with a film of porous coordination polymer. A first substrate having a first surface to be coated is positioned in a processing chamber such that the first surface is placed in a substantially opposing relationship to a second surface. In some embodiments, the second surface is provided by a wall of the processing chamber, and in other embodiments the second surface is provided by a second substrate to be coated. The first substrate is held such that a gap exists between the first and second surfaces, and the gap is filled with at least one reaction mixture comprising reagents sufficient to form the crystalline film on at least the first surface. A thin gap (e.g., having a thickness less than 2 mm) between the first and second surfaces is effective for producing a high quality film having a thickness less than 100 ?m.

Abstract: A feeding structure is provided, which includes first and second substrates opposite to each other, a reference electrode, and a dielectric layer between the first and second substrates. The first substrate includes a coupling branch and a delay branch, which are respectively connected to two output terminals of a power divider and form a current loop with the reference electrode, on a side of a first base plate proximal to the dielectric layer. The second substrate includes a receiving electrode on a side of a second base plate proximal to the dielectric layer, the receiving electrode and the coupling branch form a coupling structure, and their orthographic projections on the first base plate at least partially overlap each other. A length of an orthographic projection of both the coupling branch and the receiving electrode on the first base plate is different from a length of the delay branch.

Abstract: A pillbox-type RF window having an input/output window in a microwave tube, the pillbox-type RF window includes a disc-shaped member having a metallization layer formed on an outer peripheral portion of a disc-shaped ceramic body; a pair of ring-shaped members constituted by metal bodies having substantially the same outer diameters as the disc-shaped member, arranged to sandwich the disc-shaped member from both sides, and integrated with the outer peripheral portion of the disc-shaped member; a tube-shaped member constituted by a metal body having an inner diameter substantially equal to the outer diameters of the pair of ring-shaped members and the disc-shaped member, for holding the pair of metal components and the disc-shaped member on an inside thereof; and a restriction member for suppressing rotation between the ring-shaped members and the tube-shaped member.

Abstract: An optical sensor includes an array of pixels, wherein each pixel includes a photodiode configured to receive an optical signal and a floating node coupled to the photodiode. At least one sensing path is capacitively coupled to the floating node of at least one of the pixels. An evaluation unit is coupled to the at least one sensing path to generate an electrical signal dependent on the optical signal received by the photodiode.

Abstract: A notification sensor arrangement includes a drift pressure sensor measuring a drift signal indicative of a drift of a differential pressure sensor. The drift pressure sensor has a drift sensing unit formed on or in a symmetrical diaphragm, which has an upper side in fluid communication with a first fluid having a first pressure and a lower side in fluid communication with the first fluid having the first pressure. The notification sensor arrangement includes a comparing unit comparing the drift signal with a predefined threshold value to determine if the drift of the differential pressure sensor is a critical drift, a notification unit outputting a warning signal in response to a determination of the critical drift, and a base supporting the drift pressure sensor and the differential pressure sensor.

Abstract: The present disclosure provides a method for detecting a lane line, a vehicle and a computing device. The method includes: generating an optical flow image in accordance with a series of event data from a dynamic vision sensor coupled to a vehicle; determining an initial search region including a start point of the lane line in accordance with the optical flow image; determining a center of gravity of the initial search region; determining a new search region through an offsetting operation on the center of gravity; determining a center of gravity of the new search region; repeating the steps of determining a new search region and determining a center of gravity of the new search region iteratively to acquire centers of gravity of a plurality of search regions; and determining the lane line in accordance with the centers of gravity of the plurality of search regions.

Abstract: A displacement measurement device for a sensing device. The sensing device includes a first displacement sensor. The displacement measurement device includes: a drive signal generating circuit configured to output a drive signal to the first displacement sensor; a first signal processing circuit configured to receive a signal from the first displacement sensor and output a first ADSO signal; and a computing device including a first timer. The first timer is configured to receive a CLK512 signal and the first ADSO signal, and time or count according to the CLK512 signal and the first ADSO signal; and the CLK512 signal is a square wave signal related to a period and phase of the drive signal.

Abstract: A system and method for improved, non-intrusive material identification includes a vessel holding or transporting at least one quantity of a fluid. At least one acoustic transducer is positioned on an exterior surface of a sidewall of the vessel. At least one coupling layer is positioned between the at least one acoustic transducer and the exterior surface of the sidewall of the vessel, wherein the at least one coupling layer is formed, at least in part, from nanotubes, wherein the nanotubes improve a reflection of an acoustic signal emitted from the at least one acoustic transducer. A computerized device is in communication with the at least one acoustic signal. The computerized device has a processor and a memory, and determines a material identification of the quantity of fluid based on, at least in part, the reflection of the ultrasonic signal.

Abstract: A manufacturing method of a light modulation panel, a light modulation panel and a light modulation device. The light modulation panel comprises: a first substrate and a second substrate arranged in align with each other, a liquid crystal filled between the first substrate and the second substrate, and spacer structures located between the first substrate and the second substrate and configured to maintain a cell gap of the liquid crystal; wherein the spacer structures comprise a first post spacer and a second post spacer arranged in a cascaded manner, the first post spacer is arranged on a side of the first substrate close to the second substrate, the second post spacer is arranged on a side of the second substrate close to the first substrate.

Abstract: Various optoelectronic modules are described and include one or more optoelectronic devices. Each optoelectronic module includes one or more optoelectronic devices. Sidewalls laterally surround each optoelectronic device and can be in direct contact with sides of the optoelectronic device or, in some cases, with an overmold surrounding the optoelectronic device. The sidewalls can be composed, for example, of a vacuum injected material that is non-transparent to light emitted by or detectable by the optoelectronic device. The module also includes a passive optical element. Depending on the implementation, the passive optical element can be on a cover for the module, directly on a top surface of the optoelectronic device, or on an overmold surrounding the optoelectronic device. Methods of fabricating such modules are described as well, and can facilitate manufacturing the modules using wafer-level processes.

Abstract: A Time Domain Return measurement system for measuring liquid level, linear movement or other measurements which includes a first and second electrode, the second electrode spaced from the first electrode to define a gap, and an electronics assembly connected to the first and second electrodes equipped with a generator for transmitting an electromagnetic signal for propagation along the electrodes. The signal generator has a first analog timing circuit for actuating a slow-rising function of voltage versus time, a second analog timing circuit associated with the first analog timing circuit for actuating a fast-rising function of voltage versus time, and a receive circuit electrically connected to the electrodes, the receive circuit being activated for receiving return echo data associated with the electromagnetic signal transmitted when the fast-rising function is equal or greater than the slow-rising function to determine the position of the second medium with respect to the electrodes.

Abstract: There is provided a phase shifter including a first substrate, a second substrate and a dielectric layer between the first substrate and the second substrate, the first substrate includes a first base and a first electrode layer on a side, of the first base, the second substrate includes a second base, a second electrode layer and a reference voltage leading-in end on a side of the second base, the reference voltage leading-in end is coupled to the second electrode layer, one of the first electrode layer and the second electrode layer includes a body structure and branch structures; an orthographic projection of an end of each branch structure away from the body structure on the first base is overlapped with an orthographic projection of the second electrode layer or the first electrode layer on the first base. An antenna is further provided.

Abstract: The present invention provides an aircraft design which incorporates a modular design including the use of one or more multi-motor assemblies where the motors are in series within the multi-motor assembly. Still further, the multi-motor assemblies may be configured to include modular motor assemblies or modular sections. Ultimately, the present invention provides an aircraft with the ability to easily assemble or expand the multi-motor assemblies and, in doing so, modify the characteristics of the aircraft. The modularity also enhances the ability to maintain the aircraft by enabling motors or the units housing each motor to easily be replaced.

Abstract: The present disclosure provides a filter structure and a method for manufacturing a filter structure. The filter structure includes a metal resonant array. The metal resonant array includes a plurality of array units. The filter structure further includes a transparent plastic film. The metal resonant array is provided on the transparent plastic film.