Abstract: Wind processing performance is improved by the placement of one or more microphones on a device. The device includes one or more microphones on the front surface, one or more microphones on the top surface, and one or more microphones on the rear surface. The rear surface is a heatsink, and the one or more microphones on the rear surface are located in recesses created by two or more fins of the heatsink. The device includes a processor that performs wind processing based on signals from the one or more microphones on the front surface, signals from the one or more microphones on the top surface, signals from the one or more microphones on the rear surface, or any combination thereof.

Abstract: A microelectromechanical sensor device has a detection structure including: a substrate having a first surface; a mobile structure having an inertial mass suspended above the substrate at a first area of the first surface so as to perform at least one inertial movement with respect to the substrate; and a fixed structure having fixed electrodes suspended above the substrate at the first area and defining with the mobile structure a capacitive coupling to form at least one sensing capacitor. The device further includes a single monolithic mechanical-anchorage structure positioned at a second area of the first surface separate from the first area and coupled to the mobile structure, the fixed structure, and the substrate and connection elements that couple the mobile structure and the fixed structure mechanically to the single mechanical-anchorage structure.

Abstract: A camera positioning device for eye-to-eye alignment in video conference applications is provided. The device can include a camera, a cord going from the camera to a computer, and a positioning component (e.g., a bracket) that connects the camera to the computer. The bracket allows for manual adjustment of the cord attached to the camera to maintain vertical and horizontal positioning and rotational stability of a camera for improved eye-to-eye alignment in video conference applications.

Abstract: An intrinsically-safe sensor system, as well as a method for assembling the intrinsically-safe sensor system and a method for monitoring sound corresponding to a source using the intrinsically-safe sensor system, are provided herein. The intrinsically-safe sensor system includes a number of sensors, including a microphone, as well as a processor for processing sensor data obtained from the sensors. The intrinsically-safe sensor system also includes a memory component for storing the sensor data obtained from the sensors, a power source, a communication connection for communicably coupling the intrinsically-safe sensor system to a remote computing system, and a connector including internal and external connection regions for internally and/or externally connecting one or more additional devices to the intrinsically-safe sensor system on demand.

Abstract: A system for measuring loading on a test specimen. The system includes the test specimen arranged between a first loading bar and a second loading bar. The system further includes a first loading unit and a second loading unit configured to apply a first load and a second load to the first and second loading bars, respectively. The system further includes a first clamp and a second clamp configured to hold the first and second loading bars against the first and second loads, respectively. The system further includes a clamp actuating unit configured to selectively release at least the first clamp. The clamp actuating unit further includes a controller configured to electrically actuate at least one first electromechanical transducer from a retained state to a released state to release the first clamp, such that the first loading bar applies a first loading wave to the test specimen.

Abstract: A power supply circuit and a power supply method for a camera and an electronic device are provided. The camera is detachably connected to a body of the electronic device, a power source is arranged in the body, and the circuit includes: a first power supply pin and a second power supply pin that are arranged on the body; a power source pin and a ground pin that are arranged on the camera, where in a case that the camera is mounted at a preset position of the body, the power source pin is in contact with one of the first power supply pin and the second power supply pin, and the ground pin is in contact with the other of the first power supply pin and the second power supply pin; a first switch.

Abstract: A sensor driving apparatus according to an embodiment includes a fixed portion including a magnet holder, a magnet portion coupled to the magnet holder, and a first substrate disposed on the magnet holder and including a first lead pattern portion; a moving portion disposed to be spaced apart from the fixed portion by a predetermined interval and including a sensor; and a wire portion including a plurality of wires disposed between the moving portion and the fixed portion, wherein the wire portion has one end connected to the first lead pattern portion and the other end connected to the moving portion to elastically support the moving portion.

Abstract: A method for locating an underwater acoustic source includes using first and second linear arrays to receive signals. These signals can be resolved into intersecting cones and a contour of possible source locations can be estimated. In further embodiments, a third sonar array can receive a bearing and a depression/elevation from a signal. This information can be used with the contour to estimate a source location.

Abstract: A camera module includes: a housing; a carrier accommodated in the housing, and configured to move in an optical axis direction; a lens unit accommodated in the carrier, and configured to move in the optical axis direction together with the carrier; a driving unit configured to move the carrier; and a guide unit configured to guide the movement of the carrier, and comprising: a ball member configured to move in the optical axis direction; and a guide groove unit comprising a plurality of guide grooves in which the ball member is disposed, wherein the plurality of guide grooves comprise a first guide groove in which an angle between normals of two adjacent surfaces of the first guide groove in contact with the ball member is an acute angle.

Abstract: An optical component driving mechanism is provided. The optical component driving mechanism includes a first movable portion, a fixed portion, a first driving assembly, and a first support assembly. The first movable portion is configured to connect the first optical component. The first movable portion is movable relative to the fixed portion. The first driving assembly is configured to drive the first movable portion to move relative to the fixed portion. The first movable portion is movable relative to the fixed portion via the first support assembly. The first movable portion is movable relative to the fixed portion in a first dimension within a first-limit range.

Abstract: A photoacoustic element which has excellent optical properties and acoustic properties is achieved. The photoacoustic element (1) includes: a metal layer (10); a first member (11) which is bonded to one primary surface of the metal layer (10); and a second member (12) which is bonded to another primary surface of the metal layer (10). The metal layer (10) reflects optical waves and transmits photoacoustic waves stemming from optical waves. Materials of the metal layer (10), the first member (11), and the second member (12) are selected so as to match an acoustic impedance of the metal layer (10) and an acoustic impedance of each of the first member (11) and the second member (12).

Abstract: This disclosure relates to a handheld camera mount and reflector system. The reflector system includes a collapsible rod member having a collapsible reflector attached at one end of the rod. A handle is connected at the other end of the rod. A camera mount is attached to the rod between the reflector and the handle. The surface of the reflector can be adapted to adjust reflectivity, diffusion and color spectrum.

Abstract: Acoustic pickup beams (sound beams) can be formed in a physical environment from a plurality of microphone signals. Each of the sound beams can measure acoustic energy in a direction of the respective sound beam. Directional decay of the acoustic energy measured through each of the sound beams is determined. Room surface acoustic properties of the physical environment are determined based on mapping the directional decay of the acoustic energy to the physical environment. Other aspects are described and claimed.

Abstract: A thin blade open-close device includes a base member including spaces accommodating lens units, a cover plate covering the base member partially, and a blade member between the base member and the cover plate. The cover plate has openings aligned with optical axes of the lens units. The blade member includes a first light shield that covers the opening in the cover plate, a light entry opening that connects with the opening in the cover plate, and a second light shield that covers the opening in the cover plate. The blade open-close device includes a drive actuator that moves the blade member in a closing direction to change from an open state to a closed state in which the first light shield and the second light shield in the blade member cover the openings in the cover plate.

Abstract: A vibration sensor assembly having a rigid surface and a transducer integrated with the rigid surface. The transducer measures structure-borne sound waves that cause vibration motion of the rigid surface. The rigid surface may be glass, metal or plastic and may be part of an interior part or panel, or an exterior panel, of a vehicle.

Abstract: An ultrasonic imaging device includes a plurality of ultrasonic transducers arranged in an array of a plurality of rows and a plurality of columns, the array being divided into a plurality of sub-arrays of neighboring transducers, each including a plurality of rows and a plurality of columns, the device including, for each sub-array: a single transmit and/or receive circuit; and a combiner selector and/or splitter selector circuit configurable to couple any, alone, of the transducers of the sub-array to the transmit and/or receive circuit of the sub-array, or to simultaneously couple a plurality of the transducers of the sub-array to the transmit and/or receive circuit of the sub-array. The device further includes a control circuit adapted to individually controlling the combiner selector and/or splitter selector circuits of the different sub-arrays.

Abstract: A method for determining a flow rate and/or a concentration of particles of a fluid flowing in a chamber, which includes the steps of: producing an ultrasound beam of a given frequency with a first transducer such that all fluid components traveling through an intersection region between the ultrasound beam and the chamber are insonated by the first transducer; receiving Doppler-shifted ultrasound signals generated by the fluid components in the insonated region of the chamber with a second transducer; acquiring the ultrasound signals received by the second transducer during an acquisition time; obtaining a Doppler Power Spectrum of the acquired ultrasound signals; and determining the flow rate and/or the concentration of particles of the fluid by adjustment between, on the one hand, the obtained Doppler Power Spectrum and, on the other hand, a model of the Doppler Power Spectrum.

Abstract: A lens is provided. The lens includes a lens unit, and a serrated layer disposed on at least a portion of a surface of the lens unit, wherein the serrated layer includes a plurality of particles dispersed therein that are injected into the serrated layer. The serrated layer includes a plurality of conical structures having different sizes, accordingly, a refractive index on the surface of the serrated layer may gradually change.

Abstract: A camera assembly is provided therein that comprises a camera subsystem configured to provide camera surveillance, and at least one full solar wafer without being cut, configured to function as power source for the camera subsystem. The camera subsystem comprises a lens, PCB electronics including a WiFi chip and/or a RF chip, and a battery that are enclosed in one or multiple modules.

Abstract: A scanner includes a lens assembly comprising a lens having a lens axis and a positioning system to adjust a focal plane of the lens assembly. The positioning system includes an outer element, an inner element coupled to the lens assembly, and a linear-motion bearing that couples the inner element to the outer element.