Abstract: The present disclosure provides a waveguide conversion device and wireless communication system. The waveguide conversion device includes: a waveguide cavity including a waveguide transmission cavity and a waveguide back cavity facing each other; a base substrate between the waveguide transmission cavity and the waveguide back cavity, the base substrate including at least a first substrate; and a conversion module on the first substrate and including a balanced antenna, a first differential strip-line and a second differential strip-line, wherein the balanced antenna is in a region where the waveguide transmission cavity faces the waveguide back cavity, the balanced antenna includes a first output port and a second output port; a first end of the first differential strip-line is connected to the first output port of the balanced antenna, and a first end of the second differential strip-line is connected to the second output port of the balanced antenna.

Abstract: A device for verifying a machine-readable security feature of a document of value, having: a transport device configured to transport the document on a transport plane, a radiation emitter that is arranged on a first flat side and emits radiation in the direction towards the first flat side, a sensor that is arranged on the first flat side and is configured to receive at least part of the luminescent radiation, a reflector arranged and configured on the second flat side-so as to at least partly reflect the luminescent radiation of the security feature of the document of value to the sensor, and an evaluation unit.

Abstract: A sensor may be configured to detect periodic limb movement in a sleeping person. The sensor may be a non-contact sensor, such as a radar motion sensor. The sensor may include a radio frequency transmitter for emitting radio frequency signals toward the person. The sensor may include a receiver for receiving reflected ones of the emitted radio frequency signals and processing the reflected ones of the emitted radio frequency signals to produce motion signal(s). A processor, such as one integrated with or coupled to the sensor, may evaluate the motion signals, such as in-phase and quadrature motion signals, and generate an indicator to identify occurrence of periodic limb movement in the motion signals based on the evaluation of the motion signals.

Abstract: Methods and apparatus provide physiological movement detection, such as gesture, breathing, cardiac and/or gross motion, such as with sound, radio frequency and/or infrared generation, by electronic devices such as vehicular processing devices. The electronic device in a vehicle may, for example, be any of an audio entertainment system, a vehicle navigation system, and a semi-autonomous or autonomous vehicle operations control system. One or more processors of the device, may detect physiological movement by controlling producing sensing signal(s) in a cabin of a vehicle housing the electronic device. The processor(s) control sensing, with a sensor, reflected signal(s) from the cabin. The processor(s) derive a physiological movement signal with the sensing signal and reflected signal and generate an output based on an evaluation of the derived physiological movement signal.

Abstract: A wearable cardiovascular monitoring device comprises a force sensor configured for a blood pressure measurement using an ear of a human. The device is worn over the ear, with a first vise face of an ear-vise contacting one side of the ear, and a second vise face of the ear-vise contacting another side of the ear. Force is applied to ear through one or both of the vise faces and is used to measure blood pressure.

Abstract: The present disclosure provides a detection substrate, a method for manufacturing the same and a flat panel detector. The detection substrate includes a base substrate and at least one pixel unit, the pixel unit includes: a transistor, an oxide layer, a reading electrode, and a photoelectric conversion structure sequentially arranged in a direction away from the base substrate, the reading electrode is electrically connected with the photoelectric conversion structure, the oxide layer is positioned between the transistor and the reading electrode, the oxide layer has a first through hole therein, an orthographic projection of the oxide layer on the base substrate at least covers that of the transistor on the base substrate, the reading electrode is electrically connected with the transistor through the first through hole, orthographic projections of the first through hole and the transistor on the base substrate are not overlapped with each other.

Abstract: The re is provided a fingerprint identification module, including a substrate having a fingerprint identification area and a peripheral area; a photoelectric sensing structure in the fingerprint identification area, and including pixel units; each pixel unit includes a thin film transistor having a gate electrode coupled to a corresponding gate line and a first electrode coupled to a corresponding signal sensing line; the fingerprint identification area includes a photosensitive region, the pixel unit in the photosensitive region further includes a photoelectric sensor including a third electrode, a photosensitive pattern and a fourth electrode which are sequentially stacked along a direction away from the substrate, and the third electrode is coupled to a second electrode of the thin film transistor in the same pixel unit as that where the photoelectric sensor is located; an area ratio of the photoelectric sensor to the pixel unit corresponding thereto ranges from 40% to 90%.

Abstract: A water management system having an integrated independent power supply that is configured to be operably coupled to a water meter wherein the invention is operable to provide continuous monitoring of water flow into a structure by measuring magnetic field data generated by a water meter. The invention includes a first sensor assembly and a second sensor assembly that are configured to be operably coupled to a water meter. The second sensor assembly facilitates the ability to capture data from single or compound water meter. The first sensor assembly includes a magnetometer operable to measure a magnetic field produced by a rotating magnet in the water meter. The magnetic field data is converted into a square wave which is wirelessly transmitted to an external computing device. The second sensor assembly functions identically as the first sensor assembly wherein the data therefrom is transmitted to the first sensor assembly for transmission.

Abstract: A phase shifter includes a signal line and a reference electrode respectively disposed on sides of different ones or both disposed on a same side of a same one of a first base plate and a second base plate proximal to a dielectric layer, and includes a straight unit and a bent unit along an extending direction of the signal line. The signal line includes a first signal sub-line corresponding to the straight unit and a second signal sub-line corresponding to the bent unit, and the reference electrode includes a first reference sub-electrode corresponding to the straight unit and a second reference sub-electrode corresponding to the bent unit. The second signal sub-line and the second reference sub-electrode which correspond to the bent unit are configured to make an impedance of the bent unit match to an impedance of the straight unit and/or an impedance of another adjacent bent unit.

Abstract: There is provided a detection panel, including: a substrate, gate lines, signal detection lines and pixels, a thin film transistor and an optical sensor are arranged in each pixel, the thin film transistor has a gate coupled with the corresponding gate line, a first electrode coupled with the corresponding signal detection line, and a second electrode coupled with a third electrode of the optical sensor in the same pixel; the pixels include at least one detecting pixel and at least one marking pixel, a first bias voltage line and a second bias voltage line are arranged on a side of the optical sensor away from the substrate, a fourth electrode of the optical sensor in the detecting pixel is coupled with the corresponding first bias voltage line, and the second electrode of the thin film transistor in the marking pixel is coupled with the corresponding second bias voltage line.

Abstract: The present disclosure provides a phased array antenna, including a waveguide radiation unit, a phase shifter unit and a waveguide power dividing unit, a radiation patch and a first waveguide feed structure in the waveguide radiation unit are the same in number, and a first transmission port of each first waveguide feed structure is arranged corresponding to the radiation patch; the waveguide power dividing unit includes second waveguide feed structures, and a first transmission port of each second waveguide feed structure corresponds to a second feed region of at least one phase shifter; each of the first waveguide feed structure and the second waveguide feed structures includes a ridge waveguide structure; the ridge waveguide structure is provided with at least one sidewall; defining a waveguide cavity of the ridge waveguide structure; at least one ridge protruding toward the waveguide cavity is arranged on the at least one sidewall.

Abstract: The present disclosure provides a dimming glass and a method for manufacturing the dimming glass. The dimming glass includes: at least one dimming functional layer sandwiched between two glass substrates, where a plurality of conductive leads is connected to a bonding circuit board, and a sealant filled between sealant regions of the two glass substrates. Each conductive lead includes a connecting end, a protruding end and an extension segment. The connecting end is connected to the bonding circuit board, the protruding end extends out of an outer side of an edge of the glass substrate, at least a part of the extension segment extends in a first direction which is an extension direction of an edge of the bonding side of the dimming functional layer, and the extension segment is located in the sealant region and is secured through the sealant.

Abstract: A method for generating a three-dimensional model of a head including at least a portion of a face, comprising: obtaining a distance image of the head using a distance-measuring device having an imaging position, the distance image comprising for each of a two-dimensional array of distance pixels, a respective distance value indicating a distance from the measuring position to a corresponding point in a field of view of the distance-measuring device, the distance image including a face portion corresponding to the at least a portion of a face; estimating the position, relative to the imaging position, of a longitudinal axis of the model of the head based on the at least one dimension; based on the longitudinal axis, generating the three dimensional model of the head based on the position of the longitudinal axis.

Abstract: A sensing apparatus that measures a target characteristic. The apparatus has a sensing element formed as a section of a coupled slow-wave structure including a hollow ceramic tube and at least two impedance conductors each curled into a helix with opposing directions of winding around the tube to form a resonator. The sensing element is connected by coaxial cables to a remote electronics module which includes electronic components to create a resonant circuit with the sensing element. A metal internal target rod is configured to move into and out of the sensing element, being covered and uncovered by portions of the sensing element. This will cause the frequency of the resonant circuit to change proportionally to the movement of the target rod. The length of the coaxial cables separates the electronics module from the sensing element by a distance sufficient to avoid exposing the electronics module to harsh environments.

Abstract: An ultrasonic gas sensor includes a housing, and a first ultrasonic transducer and a second ultrasonic transducer that are separately arranged at a top of an inner chamber of the housing, where the first ultrasonic transducer and the second ultrasonic transducer form a V-shaped ultrasonic transmission path in the housing; the housing is provided therein with a gas inlet channel and a gas outlet channel; an upper end of the gas inlet channel is close to the first ultrasonic transducer, and an upper end of the gas outlet channel is close to the second ultrasonic transducer, such that a measured gas flow entering a bypass tube passes through a detection area of the first ultrasonic transducer and the second ultrasonic transducer; a lower end of the gas inlet channel and a lower end of the gas outlet channel communicate with a gas sensor mount.

Abstract: Systems and methods are disclosed for categorizing and/or characterizing a user interface. The systems and methods include generating acoustic data associated with an acoustic reflection of an acoustic signal, the acoustic reflection being indicative of, at least in part, one or more features of a user interface coupled to a respiratory therapy device via a conduit. The systems and methods further include analyzing the generated acoustic data. The systems and methods further include categorizing and/or characterizing the user interface based, at least in part, on the analyzed acoustic data.

Abstract: A dimming window and a manufacturing method thereof, belong to the technical field of dimming glass. The dimming window includes: at least two chambers arranged in a stack, each of the chambers comprising two light-transmitting substrates arranged opposite to each other; the at least two chambers include a first chamber and a second chamber, a dinning structure is provided in the first chamber, and a first reflective film is provided in the first chamber and/or the second chamber; wherein the thickness of the second chamber is greater than or equal to the thickness of the first chamber, and the thickness of the chamber is a distance between two opposite surfaces of the two light-transmitting substrates of the chamber. The technical solution of the present disclosure can improve the shading effect of the dimming window.

Abstract: A touch substrate, a display apparatus and a display system are provided. The touch substrate includes a base substrate including a photosensitive region; a plurality of photosensitive pixels in an array in the photosensitive region, each photosensitive pixel includes one non-visible light sensor, and a ratio of a side length of each photosensitive pixel to a distance between the non-visible light sensors of two adjacent photosensitive pixels is in a range from 25:24 to 12:11; and a plurality of bias lines on a side of the plurality of non-visible light sensors away from the base substrate, the plurality of bias lines include a plurality of first bias lines and a plurality of second bias lines crossing with each other, and at least one of the plurality of first bias lines and the plurality of second bias lines is electrically connected to each non-visible light sensor.

Abstract: Method, techniques, and apparatus of providing obscured feature detection. The disclosed embodiments provide an obscured feature detector to be placed on a surface to detect an obscured feature obscured by the surface, the obscured feature detector having a plurality of sensor plates arranged in an array. Measurements, via a sensing circuit, of capacitance readings sensed by the sensor plates in a plurality of regions are taken, each region corresponding to an area surrounding one or more of the at least three sensor plates. A comparison is made of the sensed capacitance readings in different regions using a controller coupled to the sensing circuit. The controller identifies an edge of the obscured feature and a centerline of the obscured feature, based on the comparison of the sensed capacitance readings. The controller activates an edge indicator to indicate proximity to the edge of the obscured feature and a centerline indicator to indicate the centerline of the obscured feature.

Abstract: The present disclosure provides a holographic antenna and an electronic device, and belongs to the field of communication technology. The holographic antenna includes a resonant structure, which includes a first and a second dielectric substrate opposite to each other, a first electrode layer on a side of the first dielectric substrate close to the second dielectric substrate, a second electrode layer on a side of the second dielectric substrate close to the first dielectric substrate, and a tunable dielectric layer between the first and second electrode layers. The first electrode layer includes slit openings therein, and the second electrode layer includes patch electrodes thereon; orthographic projections of a slit opening and a patch electrode corresponding to each other on the first dielectric substrate at least partially overlaps with each other; and the orthographic projection of the slit opening on the first dielectric substrate at least includes an arc segment.