Abstract: A line laser module, including: a module body; a first image capturing assembly, provided at the module body and comprising a first camera, at least one laser emitter and a first image processing module, wherein the at least one laser emitter is provided adjacent to the first camera and configured to emit a line laser with a linear projection toward outside of the module body, the first camera is configured to capture a first environment image containing the line laser, and the first image processing module is configured to acquire obstacle distance information based on the first environment image; and a second image capturing assembly, comprising a second camera and a second image processing module, wherein the second camera is configured to capture a second environment image, and the second image processing module is configured to acquire obstacle type information based on the second environment image.

Abstract: An eye tracking device and an eye tracking method are provided. The eye tracking device includes a sensor and multiple signal transmitting units. The sensor is disposed on an eyeball of a user. The sensor has multiple signal receiving units. The signal transmitting units are disposed around the sensor and surround the sensor. The signal transmitting units respectively transmit multiple transmitting signals. The signal receiving units receive the transmitting signals to respectively generate multiple sensing signals. The eye tracking device calculates a position of the eyeball according to the sensing signals.

Abstract: Display with high visibility without impairing rigidity of a housing is performed. A light curtain includes: a housing in which one element of a pair of elements disposed inside along a longitudinal direction in order to form the plurality of optical axes at intervals, the housing including a metal case and end members connected to both ends of the metal case; a cover that transmits light from a light projecting element, which is the one element, and is attached to the housing so as to cross the optical axe; an indicator lamp that is a light diffusing member disposed outside an outer surface of at least one of the cover and the housing along the longitudinal direction or formed in series with the cover; and an indicator lamp light source that is accommodated in the housing and supplies light for displaying toward the indicator lamp.

Abstract: A method may comprise receiving, via a processor, a first indication that an object is in a first zone of interest of a first sensor in the plurality of sensors; receiving, via the processor, a second indication that the object is in a second zone of interest of a second sensor in the plurality of sensors; and determining, via the processor, whether the first sensor or the second sensor is falsely detecting the object within the respective zone of interest.

Abstract: The hands-free toilet paper dispenser comprises a toilet paper holder, a sheet feeder mechanism, a motion sensor, and a fragrance dispenser. The hands-free toilet paper dispenser may mount on a wall of a bathroom adjacent to a toilet. The hands-free toilet paper dispenser may hold a roll of toilet paper on the toilet paper holder. The sheet feeder mechanism may be adapted to dispense one or more sheets of toilet paper when a user's hand passes in front of the motion sensor without having to touch the hands-free toilet paper dispenser. The fragrance dispenser may be operable to dispense a fragrance into the bathroom to mask odors resulting from use of the toilet.

Abstract: A distance measuring optoelectronic sensor for detecting a target object in a monitored zone is provided that has a light transmitter for transmitting light pulses, a deflection unit for a periodic scanning of the monitored zone by the light pulses, a light receiver for generating a received signal from the light pulses reflected or remitted by objects in the monitored zone, and a control and evaluation unit that is configured to determine the distance of an object from a time of flight of a light pulse and to transmit light pulses of different intensity, For the detection of a target object having a specific reflection capability, the control and evaluation unit is here furthermore configured to transmit light pulses adapted to the reflection capability and to a range and to vary the light pulses in accordance with different ranges for the distinction between the target object and another object.

Abstract: A housing device (20) includes a housing portion (22), a light source (200), and an optical sensor (300). The housing portion (22) includes a holding body (100). An article is housed in the housing portion (22). The holding body (100) extends in one direction. The light source (200) is attached to the holding body (100) along the one direction. The light source (200) applies light toward at least a part of a space (S) located on a side of the holding body (100) with respect to the one direction of the holding body (100), a front of the space (S), and a back of the space (S). The optical sensor (300) is attached to the holding body (100). At least a part of a visual field of the optical sensor (300) faces in at least a part of the space (S), the front of the space (S), and the back of the space (S).

Abstract: A system may include one or more finger devices that gather input from a user's fingers. A finger device may include one or more self-mixing interferometric proximity sensors that measure a distance to the user's finger. The proximity sensor may measure changes in distance between the proximity sensor and a flexible membrane that rests against a side portion of the user's finger. The self-mixing interferometric proximity sensor may include a laser and a photodiode. In some arrangements, a single laser driver may drive the lasers of multiple self-mixing proximity sensors using time-multiplexing. The self-mixing proximity sensor may operate according to a duty cycle. Interpolation and stitching may be used to determine the total displacement of the user's finger including both the on periods and off periods of the self-mixing proximity sensor.

Abstract: An object recognition device (10) includes a holding body (100), a light source (200), and an optical sensor (300). The holding body (100) extends in one direction. The light source (200) is attached to the holding body (100) along the one direction. The light source (200) applies light toward at least a part of a space (S) located on a side of the holding body (100) with respect to the one direction of the holding body (100), a front of the space (S), and a back of the space (S). The optical sensor (300) is attached to the holding body (100). At least a part of a visual field of the optical sensor (300) faces in at least a part of the space (S), the front of the space (S), and the back of the space (S).

Abstract: A disclosed monitoring system includes infrared light sources that illuminate a subject in a sequenced manner and a camera that captures images of the subject during periods in which the subject is illuminated by one of the light sources. The system includes a processor that analyzes captured images to determine a brightness measure of the images, and a controller controls output power of the infrared light sources in response to the brightness measure. In response to the processor detecting a brightness measure below a predetermined brightness threshold, the controller is configured to switch off or reduce an output illumination intensity of one of the infrared light sources. A disclosed method further determines whether an emission source is occluded by modulating an intensity of an electromagnetic emission source, detecting whether the modulation pattern is present in captured images, and determining that the emission source is occluded based on the detected modulation.

Abstract: A lightbox is disclosed herein, comprising a lower panel, a back panel connected to the lower panel and extending upward from the lower panel, wherein the back panel is coated in a reflective material, an inner lens connected to the lower panel and extending upward from the lower panel, the inner lens being adjacent the back panel, a first cavity at least partially defined by the back panel and the inner lens, an outer lens connected to the lower panel and extending upward from the lower panel, the outer lens being adjacent the inner lens and opposite the back panel, and a first LED adjacent the lower panel and oriented to emit a light away from the lower panel and into the first cavity.

Abstract: The present application provides a method of normalising data, which includes the following. The AI engine receives data of different domains of an assisted system, normalises the data of the different domains into a unified format, based on at least one normalisation method corresponding the each of the different domains and provides the normalised data to an other functional block in the AI engine.

Abstract: The invention concerns a method for estimating the angular velocity (and, preferably, also the attitude) of a space platform (for example, a satellite, a space vehicle, or a space station) using only the information provided by one or more optical sensors, such as one or more star trackers, one or more colour and/or black and white cameras or video cameras, one of more infrared sensors, etc.

Abstract: Obstacle detection enhancement data are transmitted from a server to at least one moving conveyance embedding an obstacle detection system and an on-board wireless radio unit communicating with the server via wireless link. To do so, downlink transmission resources are allocated to each on-board wireless radio unit in a transmission cycle Cn, by optimizing the difference between a distance travelled by the moving conveyance during a transmission cycle and a distance covered by the obstacle detection enhancement data made available to the obstacle detection system at a next transmission cycle Cn+1, wherein the volume of obstacle detection enhancement data expected to be transmitted during the transmission cycle Cn is determined from volume-to-distance ratio information bk stored in a database and from actual quality of the wireless link.

Abstract: Automated system and method wherein the color of each core is detected and distinguished before the core is covered, and any core having a non-conforming core color is rejected and released/removed/eliminated from further processing.

Abstract: To shorten a waiting time for a belongings inspection, the present invention provides an inspection system 10 including an acquisition unit 11 that acquires material information including at least either one of a piece of personal unique information unique to each of inspection target persons, and a piece of environment information indicating a state value of an environment that changes at each inspection timing, and a determination unit 12 that determines a content of an inspection for the each inspection target person and/or at the each inspection timing, based on the material information.

Abstract: This application discloses a point cloud densification method and apparatus, a storage medium, and a LiDAR. The method is applied to the LiDAR, the LiDAR includes an emitter group and a scanning apparatus, and the method includes: obtaining a point cloud densification multiple of a detection field of view at each level; obtaining an interval between scanning lines corresponding to two adjacent emissions based on the point cloud densification multiple of the detection field of view at each level; and performing scanning based on the interval between the scanning lines corresponding to the two adjacent emissions.

Abstract: A vehicular imaging system includes a camera disposed behind a windshield of a vehicle and viewing through a portion of the windshield. Image data captured by the camera is provided to a control. The control receives, via a communication bus of the vehicle, at least one selected from the group consisting of (i) vehicle pitch information relating to pitch of the vehicle, (ii) vehicle yaw information relating to yaw of the vehicle and (iii) vehicle steering information relating to steering of the vehicle. The system automatically corrects for misalignment of the camera. Image data captured by the camera is processed at the control for a lane departure warning system of the vehicle and for at least one selected from the group consisting of (i) an automatic headlamp control system of the vehicle, (ii) a collision avoidance system of the vehicle and (iii) an adaptive front lighting system of the vehicle.

Abstract: Modifying settings of autonomous vehicle sensors based on predicted environmental states, including: determining, based on sensor data, that a predicted environmental state of the autonomous vehicle is associated with a sensory input outside an operating range of a sensor; determining a modified operating range of the sensor; and modifying one or more sensors to operate according to the modified operating range.

Abstract: A fingerprint sensor includes: a light sensing layer including a light sensing element, wherein a sensing current flows in the light sensing element according to incident light; and a collimator layer disposed on the light sensing layer and including a light guide unit guiding light to the light sensing element. The light guide unit includes: a light-transmitting unit configured to provide light to the light sensing element; and a first light-blocking unit disposed on an inner surface of the light-transmitting unit.

Abstract: An electronic device display may have an active area with pixels. An optical sensor may be formed under a sensor region in the active area. During operation, ambient light and/or other light associated with the optical sensor may pass through the sensor region. To ensure that the light for the optical sensor can pass through the display, the display may have one or more layers with sensor openings such as a metal layer and a pressure sensitive adhesive layer that attaches the metal layer to the pixels of the display. To help minimize visibility of the openings in the sensor region, the pressure sensitive adhesive layer may be configured to have a reflectivity that matches the appearance of the display in the sensor region to surrounding areas. Undesired light output uniformity can be reduced by ensuring that the substrate material in the display has a low light absorption coefficient.

Abstract: An augmented reality (AR) system that includes a viewing device and a power pack linked to the viewing device, with the power pack including a primary orientation sensor, an orientation engine, and an AR engine. In some embodiments, the primary orientation sensor is operable to measure orientation of the power pack, the orientation engine is operable to calculate an orientation of the viewing device based on a relationship between the power pack and the viewing device, and the AR engine is operable to generate AR data that varies in response to the calculated viewing device orientation and to determine or update the relationship between orientations of the power pack and the viewing device, for example, by polling a secondary orientation sensor in the viewing device. Other embodiments, related power packs, and methods are also disclosed.

Abstract: The plurality of emitters and the plurality of detectors form a light curtain that is patterned about the beam, and are positioned to surround the beam. The plurality of emitters each have a centerline and each have a divergence angle centered on the centerline. The placement and orientation of the plurality of emitters about the acceptance centerline of the beam receiver are configured to align the centerlines of the plurality of emitters substantially parallel to the incoming beam. The detection of one or more of the plurality of emitters by one or more of the plurality of detectors depends on the divergence angles of each of the plurality of emitters and the tilt of the beam receiver relative to the beam centerline.

Abstract: Provided is an optical displacement sensor that allows a housing serving as a head to be downsized. A relay cable extending from the head is integrated with a body. The head is primarily responsible for projecting and receiving light to and from a to-be-detected object, while the body is made up of a power supply circuit, a display, and an operation part. The head includes a green laser light source and emits the green laser light to form a spot on a surface of the to-be-detected object.

Abstract: A device for monitoring the door area around a that is at least partially glazed door is provided. A transmitter emits a transmission pulse of electromagnetic radiation. An image recorder comprises a receiver matrix having a first receiver blocks which has a plurality of first receivers. The first receivers receive reflected signal components of the transmission pulse. Each first receiver has a memory unit which is designed to integrate and store the reflected signal components received. A control unit triggers a transmission pulse of the transmitter and activates the first receivers for a predetermined first receiving period. An evaluation unit compares topography image data with stored reference image data or compares a respective distance value with a stored reference value for a door area free of objects.

Abstract: An apparatus includes a light senor having directional sensitivity. The light sensor includes multiple light sensitive elements disposed below the same aperture. Each of the light sensitive elements has a respective field of view through the aperture that differs from the field of view of the other light sensitive elements. Signals from the light sensor can facilitate determining the direction of incoming light.

Abstract: A fluid dispenser with a pump mechanism that dispenses fluid when activated. A light sensor detects light in or around the fluid dispenser, and a controller controls a function of an electronic component of the fluid dispenser based on detection data received from the light sensor.

Abstract: The present invention is directed to an electronic switch device, the device including a housing assembly including a front cover assembly having a user accessible surface, a back body assembly, terminals configured to be coupled to an AC power source and the load; an antenna assembly including an antenna substrate disposed inside the housing assembly adjacent a portion of the front cover assembly, an antenna being disposed on the antenna substrate having a conductive grid structure; and a circuit assembly disposed inside the housing assembly coupled to the terminals, the circuit assembly comprising a printed circuit board, the printed circuit board including a ground plane, the circuit assembly being electrically connected to the antenna assembly via a conductor, the printed circuit board being separated from the antenna assembly by a predetermined distance, the circuit assembly including a relay switch having at least one solenoid winding connected to the circuit assembly and a set of contacts.

Abstract: The present disclosure is directed to an optical sensor package with a first assembly and a second assembly with an encapsulant extending between and coupling the first assembly and the second assembly. The first assembly includes a first substrate, a first die on the first substrate, a transparent material on the first die, and an infrared filter on the transparent material. The second assembly includes a second substrate, a second die on the second substrate, a transparent material on the second die, and an infrared filter on the transparent material. Apertures are formed through the encapsulant aligned with the first die and the second die. The first die is configured to transmit light through one aperture, wherein the light reflects off an object to be detected and is received at the second die through another one of the apertures.

Abstract: A display device having a biometric authentication function is provided. A highly convenient display device is provided. The display device includes a first substrate, a light guide plate, a plurality of first light-emitting elements, a second light-emitting element, and a plurality of light-receiving elements. The light guide plate includes a first portion having a first surface and a second portion having a second surface that connects with the first surface and has a different normal direction from the first surface. The first light-emitting elements and the light-receiving elements are provided between the first substrate and the light guide plate. The first light-emitting elements have a function of emitting first light through the light guide plate, and the second light-emitting element has a function of emitting second light to a side surface of the light guide plate. The light-receiving elements have a function of receiving the second light and converting the second light to an electric signal.

Abstract: An electronic device may have a touch sensitive display that is insensitive to the presence of moisture. An array of pixels in the display may be used to display images. A display cover layer may overlap the array of pixels. A light source may illuminate an external object such as a finger of a user when the object contacts a surface of the display cover layer. This creates scattered light that may be detected by an array of light sensors. The light source may supply light to an edge of the display cover layer at an angle that ensures total internal reflection within the display cover layer is sustained across the display cover layer even when the display cover layer is immersed in water or otherwise exposed to moisture.

Abstract: Disclosed is a phase modulator apparatus comprises at least a first phase modulator for modulating input radiation, and a metrology device comprising such a phase modulator apparatus. The first phase modulator comprises a first moving grating in at least an operational state for diffracting the input radiation and Doppler shifting the frequency of the diffracted radiation; and a first compensatory grating element comprising a pitch configured to compensate for wavelength dependent dispersion of at least one diffraction order of said diffracted radiation.

Abstract: A leak inhibition/detection device includes an absorbent material, a leak sensor in contact with the absorbent material, and an enclosure surrounding the absorbent material. The leak inhibition/detection device is configured to surround a joint between tubing and a cold plate/evaporator or a radiator/condenser of a liquid cooling module of an information handling system.

Abstract: A sensor for detecting objects within a monitoring range, with sensor components and an evaluation unit (9). An object detection signal is generated in the evaluation unit (9) in dependence upon sensor signals from sensor components. A selector unit and an input interface (11) with mechanical setting element are provided, wherein a selection of a parameter set is made in the selector unit (10) from a number of preconfigured parameter sets in dependence upon a setting configuration of the mechanical setting element of the input interface. The selected parameter set is adopted for the functioning of the sensor.

Abstract: A localization apparatus includes: a time-of-flight circuit configured to emit a first modulated light signal and to receive reflections of the first modulated light signal from at least three devices; a processing circuit configured to determine, based on the first modulated light signal and the reflections, positions of the at least three devices in a first coordinate system associated with the apparatus; and a receive circuit configured to receive second modulated signals from the at least three devices, the second modulated signals including data indicating positions of the at least three devices in a second coordinate system. The processing circuit is further configured to determine a position and orientation of the apparatus in the second coordinate system based on the positions of the at least three devices in the first coordinate system and the data indicating the positions of the at least three devices in the second coordinate system.

Abstract: Systems, devices, and methods for stopping the rotation of propellers used in unmanned aerial vehicles (UAV) such as drones are disclosed. The propellers are stopped in response to detecting when beams of light adjacent the propellers are blocked.

Abstract: A fingerprint sensor for a display device includes a light sensing layer including a light sensing element, and an optical layer including a light transmitter disposed in a light-transmitting area and a light blocker disposed in a light-blocking area. The light-transmitting area includes a plurality of unit light-transmitting areas separated by the light-blocking area, and each of the unit light-transmitting areas has a first width and the light-blocking area has a second width, the first width being in a range of about 5 times to about 200 times the second width.

Abstract: Detecting a touch includes receiving image data of a touching object of a user selecting selectable objects of a target surface, determining a rate of movement of the touching object, in response to determining that the rate of movement satisfies a predetermined threshold, modifying a touch detection parameter for detecting a touch event between the touching object and the target surface, and detecting one or more additional touch events using the modified touch detection parameter.

Abstract: An electronic device may have an optical touch sensor that is insensitive to the presence of moisture. The display may present images through a display cover layer. A light source may illuminate an external object such as a user's finger when the object contacts a surface of the display cover layer. This creates scattered light that may be detected by an array of light sensors. A metasurface grating may be used to couple light from the light source into the display cover layer at an angle such that total internal reflection within the display cover layer is sustained across the display cover layer even when the display cover layer is immersed in water or otherwise exposed to moisture. Additional metasurface gratings may be formed on the display cover layer to redirect light propagating within the display cover layer away from edges that might otherwise defeat total internal reflection.

Abstract: Method and system to ascertain location of drone box for landing and charging drones comprising at least a drone box having a drone platform with a plurality of limiting boundaries, divided into number of sensor zones that are mechanically contiguous and electrically separated by an insulated separator of insulation width, each sensor zone having an identification coordinates, each drone having a plurality of ground interfaces, each having a unique address code, each ground interface has a charging terminal at a far end, each charging terminal having an interlocked switchable electricity polarity. The identification coordinates of the activated sensor zones are communicable to a second drone so that the second drone knows where NOT to land on the drone box, Such communication enables a third and subsequent drone to ascertain whether the identified drone box is suitable and available for landing.

Abstract: A plurality of sensors are configured to provide a corresponding output that reflects a sensed value associated with engagement of a robotic arm end effector with an item. The respective outputs of one or more sensors comprising the plurality of sensors are used to determine one or more inputs to a multi-modal model configured to provide, based at least in part on the one or more inputs, an output associated with slippage of the item within or from a grasp of the robotic arm end effector. A determination associated with slippage of the item within or from the grasp of the robotic arm end effector is made based at least in part on an output of the multi-modal model. A responsive action is taken based at least in part on the determination associated with slippage of the item within or from the grasp of the robotic arm end effector.

Abstract: A method includes obtaining one or more images of a segment of a route from a camera while a vehicle is moving along the route. The segment of the route includes one or more guide lanes. The method also includes comparing, with one or more computer processors, the one or more images of the segment of the route with a benchmark visual profile of the route based at least in part on an overlay of the one or more images onto the benchmark visual profile or an overlay of the benchmark visual profile onto the one or more images. The one or more processors identify a misaligned segment of the route based on one or more differences between the one or more images and the benchmark visual profile and respond to the identification of the misaligned segment of the route by modifying an operating parameter of the vehicle.

Abstract: Disclosed is a method (50) of providing finger pinch protection at a hinge area of a swing door-based entrance system (1) having a motorized automatic door operator (30) for opening (2) of the swing door (10) in an automatic mode of the entrance system (1), wherein the entrance system (1) also has a manual mode in which a human user may cause opening and closing of the swing door (10) by manual force. The method involves monitoring (52), by a first sensor function (S1), for presence of a person or object in a first zone (PD) at the first door leaf surface (12-1) and non-proximate to a vertical door edge (14). The method also involves monitoring, by a second sensor function (S2), for presence of a person or object in a second zone (PDHA) at the first door leaf surface (12-1) and proximate to said vertical door edge (14).

Abstract: The present disclosure relates to a power supply system for improving plasma uniformity and a method thereof, wherein the power supply system includes a signal generating device, a first electrode and a second electrode. The signal generator is respectively connected with a plurality of signal processing circuits and is used for generating a plurality of initial signals at different frequencies; the signal processing circuits are used for processing the initial signals at corresponding frequencies; the plurality of signal processing circuits are all connected with the first electrode; and the initial signals are processed by the signal processing circuits and then act on the plasma through the first electrode. The present disclosure may effectively process signals in different power supplies, improve the stability of plasma discharge, reduce the impact of the coupling effect between different power supplies, and realize the independent control of ion flux and ion energy.

Abstract: The present invention relates to the technical fields of optical imaging, microwave imaging, radar detection, sonar, ultrasonic imaging, and target detection, imaging identification and wireless communication based on media such as sound, light and electricity, and in particular, to a fast imaging method suitable for passive imaging and active imaging and application of the fast imaging method in the above fields. According to the method provided by the present invention, image field distribution corresponding to a target is achieved based on a lens imaging principle, in combination with an electromagnetic field theory, according to a target signal received by an antenna array, through the amplitude and phase weighting of a unit signal and by using an efficient parallel algorithm.

Abstract: This invention is a system for nutritional monitoring and management which includes a camera, a spectroscopic sensor, a fiducial component, a wearable biometric sensor, a smart utensil or dish, a passive feedback mechanism which provides a person with information concerning food item types and/or quantities, and an active stimulus mechanism which modifies the person's food-related physiological processes. This system can help a person to improve their dietary habits and health.

Abstract: A compound-operation input device includes an operating member; a rotary mechanism configured to hold the operating member such that the operating member is rotatable; a slide mechanism configured to support the operating member such that the operating member is slidable in a sliding direction intersecting a rotation axis of the rotary mechanism; and a noncontact detector including a plurality of noncontact sensors and configured to detect a direction of movement and an amount of movement of a detection object, the detection object moving together with the operating member. The noncontact detector is one of a pair of noncontact detectors provided across the rotation axis from each other on a rotation locus of the detection object, the pair of noncontact detectors being at respective positions on a straight line orthogonal to the sliding direction.

Abstract: Deformable sensors and methods for modifying membrane stiffness through magnetic attraction are provided. A deformable sensor may include a membrane coupled to a housing to form a sensor cavity. The deformable sensor may further include magnetically-attractable particles located on or within the membrane. The deformable sensor may additionally include a magnetic object located at a base within the sensor cavity. The magnetic object may be configured to modifiably attract the magnetically-attractable particles and modify stiffness of the deformable sensor by modifying air pressure within the sensor cavity, based on modifiable strength of the magnetic object to attract the magnetically-attractable particles.

Abstract: According to an embodiment, an electronic device may include: a display, an optical sensor disposed in a rear surface of the display and overlapping the display, the optical sensor including a light emitting unit including light emitting circuitry and a light receiving unit including light receiving circuitry, a processor operatively connected with the display and the optical sensor, and a memory operatively connected with the processor, wherein the memory may store instructions which, when executed, cause the processor to: obtain position information of a first area corresponding to the light emitting unit of the optical sensor in the display, and based on the light emitting unit of the optical sensor radiating light, output a visual object in the first area and/or an area adjacent to the first area on the display.

Abstract: Disclosed are devices and systems for an optimized sensor layout for an autonomous or semi-autonomous vehicle. In one aspect, the system includes a vehicle capable of semi-autonomous or autonomous operation. A plurality of forward-facing cameras is coupled to the vehicle and configured to have a field of view in front of the vehicle. At least three forward-facing cameras of the plurality of forward-facing cameras have different focal lengths. A right-side camera is coupled to the right side of the vehicle, the right-side camera configured to have a field of view to the right of the vehicle. A left-side camera is coupled to the left side of the vehicle, the left-side camera is configured to have a field of view to the left of the vehicle.