1638 results about "Optical transducers" patented technology

Embodiments of the present invention provide a therapeutic device. The therapeutic device includes an inner layer including a plurality of sensing locations and a plurality of stimulating locations constructed therewithin. Furthermore, the therapeutic device includes a plurality of stimulation elements located within the plurality of stimulating locations. The therapeutic device further includes a plurality of optical fibers including a plurality of respective first optical endpoints and a plurality of respective second optical endpoints, the plurality of first optical endpoints located within the plurality of sensing locations. Furthermore, the therapeutic device includes an optical sensor configured to receive electromagnetic radiation from the plurality of second optical endpoints. The therapeutic device also includes a control module configured to determine radiation characteristics of the electromagnetic radiation received by the optical sensor and activate one or more of the plurality of stimulation elements in correlation with the determined radiation characteristics.

The invention relates to the technical field of industrial laser precision measurement, in particular to a laser centering device for a coupler and a using method of the laser centering device for the coupler. Light spot displacement signals and environment vibration signals are synchronously collected through a laser transmitter and an optical sensor array, and a frequency domain feature decoupling module is adopted to separate a shafting displacement component and an interference component; the time domain correlation verification module is used for calculating signal time sequence correlation and generating a deviation vector, and finally the adaptive compensation decision module is used for analyzing the deviation vector and outputting an adjustment instruction. According to the invention, effective separation of real misalignment and transient noise in a dynamic environment is realized, the technical problem of measurement misalignment of an existing laser centering device in a complex industrial environment is solved, and the coupling installation precision and the equipment operation stability are improved.

The invention relates to the field of crystal detection, and discloses a multifunctional comprehensive scintillation crystal and semiconductor material energy spectrum test system, which comprises a crystal adaptation module for judging the type and size of a placed crystal through an optical identification and parameter matching mechanism, and a signal acquisition module for amplifying, filtering and digitally processing an acquired signal, the signal correction module is used for correcting waveform distortion and baseline drift through a dynamic gain adjustment algorithm of a low-noise pre-amplifier and a multi-channel pulse analyzer; the data analysis module is used for generating an energy spectrum curve according to input signals and calculating energy resolution, counting rate, light attenuation time or carrier mobility, and the environment calibration module is used for dynamically evaluating shading degree, environment light, temperature and electromagnetic interference through an optical sensor and a temperature and humidity detector in the camera obscura and outputting updated calibration parameters. The method has the advantages of improving the detection efficiency, precision and consistency.

Systems, devices, and methods including: an air inlet configured to receive air; an air outlet configured to expel air; a duct connected between the air inlet and the air outlet; and an open-cavity optical sensor disposed in the duct, where an air flow stream within the duct passes through the open-cavity optical sensor.

Methods, apparatuses, assemblies, and / or the like are provided. An example apparatus may include a housing assembly including a first component and a second component configured for selective attachment to the first component, the first component having a first annular portion and the second component having a second annular portion opposite the first annular portion, the first and second annular portions collectively defining a central opening of the housing assembly, the central opening defining a longitudinal axis of the housing assembly. An example apparatus may also include a fan assembly, which may include a fan having an airflow opening and a fan housing, wherein: the second component has a curved portion extending from the second annular portion and along the longitudinal axis, the curved portion having an opening formed therethrough, the opening defining at least one airflow passage extending from an exterior surface of the curved portion to an interior surface.

The invention provides a marine organism intelligent detection system and method based on multi-sensor fusion. The method comprises the following steps: determining spatial distribution characteristics of all marine organisms in a target detection area through sonar point cloud data of the target detection area; an enhanced image sequence is extracted from a high-definition video stream of a target detection area, and classification confidence vectors and multi-scale appearance features of all marine organisms in the target detection area are determined according to the enhanced image sequence; performing multi-voxel feature cross fusion on the spatial distribution features, the classification confidence vectors and the multi-scale appearance features to obtain multi-modal fusion feature tensors of all marine organisms in the target detection area; and determining a three-dimensional bounding box and a species category of each marine organism in the target detection area according to the multi-modal fusion feature tensor. By adopting the scheme of the invention, accurate identification and positioning of marine organisms in a complex underwater environment can be realized through deep fusion of acoustic and optical sensor data.

A device 100 for developing the concentration, the device 100 comprising: an optical sensor unit, the optical sensor unit comprising a plurality of one or more lenses 201, 202 capable of holding sensitive elements, the plurality of sensitive elements being configured to detect a user-provided biological signal in at least three operating modes; three switches for switching between the plurality of operating modes; a plurality of illumination units configured to indicate each of the plurality of operating modes by emitting a predetermined light signal; a processing unit for processing information using artificial intelligence.

In one embodiment, a method includes capturing, by an optical sensor on or in a body of a wearable device, an image in a field of view of the optical sensor and detecting, by the wearable device and from the image, at least a portion of a hand of a wearer of the wearable device. The method further includes detecting, by the wearable device and from the image, a gesture of at least a portion of the hand of the wearer, the gesture including one or more of (1) a motion of the at least a portion of the hand of the wearer (2) an orientation of the at least a portion of the hand of the wearer or (3) an identification of the detected at least a portion of the hand of the wearer; and determining, by the device, an input to the device based on the detected gesture.

A biometric wearable device (e.g. finger ring or smart watch) has optical sensors to measure body oxygenation level, hydration level, glucose level, heart rate, heart rate variability, and / or blood pressure. Light from light emitters is transmitted through body tissue and changes in the light are analyzed. The angles and / or vectors along which the light is transmitted through body tissue can be automatically changed by the device in order to scan different tissue regions and / or different tissue depths.

An image forming apparatus includes a light emitter; a photoconductor to form a latent image on a surface of the photoconductor; a deflector to deflect light at a write start timing; an optical sensor; and circuitry. The optical sensor detects the scanning light scanning, with one of multiple sensitivities. The circuitry adjusts a light intensity of the emitted light and the write start timing based on the detection signal; switches from the one of multiple sensitivities to other of multiple sensitivities or from the other of multiple sensitivities to the one of multiple sensitivities based on the light intensity adjusted; and determines whether to perform a color misregistration correction based on a shift in the write start timing caused by a switch from the one of multiple sensitivities to the other of multiple sensitivities or from the other of multiple sensitivities to the one of multiple sensitivities.

The invention relates to the technical field of agricultural unmanned aerial vehicle data processing, in particular to an agricultural unmanned aerial vehicle pod sensor data processing method and system which are used for correcting image data abnormity caused by spraying operation. Synchronously acquiring image data acquired by an optical sensor and vibration data acquired by a vibration sensor and generated by the spraying system during working; determining a characteristic vibration frequency according to the vibration data, and performing frequency domain filtering processing on the image data based on the characteristic vibration frequency to generate intermediate image data of which the vibration blur is eliminated; by synchronously acquiring the image and the vibration data, correcting the vibration blur by using the vibration data, identifying and confirming the lens liquid drop by using the spectral characteristics and the position fixity, and generating the mask layer to shield the liquid drop area, the problems of missed judgment and misjudgment of the liquid drop as a disease caused by the vibration blur are solved.

An apparatus and method for adaptive slide imaging using a selected scanning profile is disclosed. The apparatus includes a scanner configured to capture a macro image of a slide and including a stage configured to hold the slide, an optical sensor configured to convert an image into one or more electrical signals, and an optical system configured to form the image of the slide on the optical sensor. The apparatus includes at least a processor and a memory containing instructions configuring the at least a processor to receive the macro image of the slide from the scanner, extract metadata from the macro image of the slide, determine a classification category of the slide, retrieve a scanning profile as a function of the classification category of the slide, and image, using the optical system and optical sensor of the scanner, the slide as a function of the scanning profile.

Embodiments described herein relate to an apparatus that includes a light engine with a plurality of light sources. In an embodiment, each of the plurality of light sources is configured to emit a spectral band with different wavelength bandwidth. The apparatus may also include a beam splitter that is optically coupled to the light engine, where the beam splitter splits the spectral bands into a first optical path and a second optical path. In an embodiment, a power monitor is optically coupled to the beam splitter along the first optical path, and a reflective objective lens is optically coupled to the beam splitter along the second optical path. In an embodiment, the reflective objective lens includes a first mirror and a second mirror. In an embodiment, the apparatus further includes an optical sensor configured to measure the spectral bands after the spectral bands have reflected off of a substrate.

The invention provides a self-adaptive grabbing system and method based on photoelectric sensing and material recognition. The system comprises a manipulator, a mechanical arm, a front-end processor and an upper computer controller. The manipulator is driven by a torque-adjustable motor, and an optical sensor module based on a photoelectric sensing principle is mounted on a fingertip of the manipulator; the optical sensor module is used for acquiring a texture grayscale image and sliding micro-displacement information of the surface of a grabbed object; the front-end processor is used for collecting data of the optical sensor module and transmitting the data to the upper computer controller; the upper computer controller recognizes the material of the object and matches the friction coefficient, the optimal clamping force increment is calculated according to the sliding micro-displacement information and the friction coefficient, and the motor is controlled to achieve self-adaptive grabbing. According to the system, the manipulator can be controlled to increase the clamping force in an optimal clamping force increment mode according to the sliding amplitude and the friction characteristic of the object, and self-adaptive stable grabbing of the object is achieved.

The invention provides a quantitative detection system combining a CRISPR-Cas system with a MetaSPR optical sensor, a detection method and application, and relates to the technical field of biosensing and optical detection. The system comprises a MetaSPR optical sensor, the surface of a gold substrate of the MetaSPR optical sensor is modified with single-stranded DNA H1, the 5'end of H1 is modified with sulfydryl, and H1 is fixed to the gold substrate of the MetaSPR optical sensor through an Au-S bond; h1 is combined with single-chain DNA H2 with gold balls through complementary base pairing to form a double-chain structure, the 5'end of H2 is also modified with sulfydryl, and the gold balls are fixed on the surface of a gold substrate; the CRISPR-Cas reaction system comprises a molecular solution to be detected, Cas protein, a buffer solution, guide RNA (Ribonucleic Acid), nuclease-free water and target DNA (Deoxyribose Nucleic Acid); the CRISPR-Cas reaction system is used for recognizing a target molecule, and when the target molecule is recognized, H1 is cut.

Techniques for detecting blockage of a utility meter or other networked device are described. The blockage may be natural, e.g., snow, ice, and / or biomass. The blockage (e.g., aluminum foil) may be an intentional attempt to tamper with the device. In both cases, the blockage material may interfere with radio frequency (RF) communications of the networked device with other devices on a network. For example, snow, ice, biomass, and / or aluminum foil may prevent a networked utility device (e.g., a metering device) from reporting consumption data to a data-collecting device. Blockage may be detected based at least in part on the use of optical sensors and / or RF sensors. In one example, an out-going optical signal (e.g., infrared light) may be reflected off blockage material and the reflection may be received and processed. In a further example, an in-coming RF signal may be attenuated and / or frequency-shifted thereby revealing aspects about the blockage material.

The utility model belongs to the technical field of computer peripherals and man-machine interaction equipment, and particularly relates to an adjustable mouse bottom plate with multiple PCB installation positions and a mouse. The PCB is arranged on the bottom plate main body; the bottom plate comprises a bottom plate body and a plurality of PCBs arranged on the bottom plate body, the sensors are arranged on the PCBs, the bottom plate body is provided with a plurality of PCB installation positions used for selectively installing the PCBs on any PCB installation position according to user operation requirements, the bottom of each PCB installation position is provided with an optical sensor window matched with the position of the corresponding sensor, and the optical sensor windows are used for allowing light of the sensors to penetrate through and receiving reflected light. The technical problem that in the prior art, the position of a mouse sensor is fixed and cannot be adjusted according to the operation habit of a user, so that the user experience and operation flexibility are insufficient is solved, the control precision and smoothness of the mouse are improved, and the requirements of the user in different use scenes are met.

The invention discloses remote control equipment, which comprises an equipment main body, a first detection component integrated on the equipment main body, a motion sensing module and a controller, the controller is programmed to execute the following logic: when the detection values of the first detection assembly and the motion sensing module jointly meet a preset cooperation condition, the first terminal is remotely controlled to execute a target operation. The remote control accuracy is improved through a dual verification mechanism, instructions such as song switching, volume adjustment and connection equipment switching can be triggered by combining actions such as inclined shaking and knocking when a user presses or touches, an interface is simplified, and functions are expanded. The design of the nested touch control and the optical sensor can distinguish finger operation from clothes mistaken touch, and the terminal switching mechanism of long pressing and knocking further reduces the risk of mistaken triggering. The device can be designed into a ring shape, and is small in size, high in customization and reliable in remote control experience.

A detection device includes: a substrate having opposite ends with a notch therebetween; a terminal part provided at one end of the substrate; a first optical sensor on the substrate between the notch and the terminal part; a second optical sensor on the substrate between the notch and another end of the substrate; and a flexible printed circuit board provided with a light source and electronic components. A lower electrode, a lower buffer layer, an active layer, an upper buffer layer, an upper electrode, and a sealing film are stacked on the substrate in each of the first and second optical sensors. The lower electrodes of the first and second optical sensors are coupled to the terminal part. The terminal part is coupled to an end of the flexible printed circuit board. The flexible printed circuit board is bent. The notch is disposed at a location overlapping the light source.

A light-transmitting substrate is deployed with a first of two major surfaces in facing relation to an eye of a viewer and guides light by internal reflection between the two major surfaces. An optical coupling-out configuration couples image light, that corresponds to a collimated image and that is guided by internal reflection between the two major surfaces, out of the light-transmitting substrate. A first optical coupling configuration collimates light from the eye to produce collimated light, and couples the collimated light into the light-transmitting substrate for guiding by internal reflection. A second optical coupling configuration couples the collimated light out of the light-transmitting substrate toward an optical sensor that senses the coupled-out light. A processing system derives current gaze direction of the eye by processing signals from the optical sensor.

A system and a method for defining and maintaining slope and cross-slope parameters during construction vehicle operations are provided. Data associated with an attachment positioned at reference points on the terrain and the corresponding location and elevation information from a location sensor are obtained. Based on this data, the processing unit calculates slope and cross-slope parameters by analyzing the differences in elevation and the horizontal distances between the reference points. As a result, guidance information is generated for real-time operator feedback or for the automatic adjustment of the attachment. The system includes a location sensor (e.g., GNSS) and optical sensors (e.g., LiDAR) for calculating the slope and cross-slope values, and for controlling operation of the attachment to ensure that the grading or earthmoving matches defined specifications.

A machine guidance system and method utilize optical sensors, position sensors, and movement sensors to generate point cloud data for a construction asset. Data encompassing terrain features, obstacles, and the real-world position and orientation of the asset and its attachment are calculated. The fused data is used to autonomously control the movement of the asset and the position of the attachment to maintain a cutting edge at a target grade. As a result, terrain mapping and obstacle detection are performed in real-time, enabling safe and efficient operation without predefined paths. In this manner, applications include automated earthmoving, grading, and material handling in dynamic construction environments.

A vehicle detection and collision alerting device and method is described. The vehicle detection device is used by a user to detect an approaching vehicle. The vehicle detection device may include a housing and a mount attached to the housing for securing the housing to the user or the users equipment. An optical sensor secured to the housing, facing generally outward. A processor is in communication with the optical sensor to receive data and execute an algorithm to analyze the received data. This algorithm is configured to determine the size and distance of the approaching vehicle and also calculate its velocity and trajectory. Alerting modules to alert the user and to alert the approaching vehicle are configured to receive signals from the processor when a potential collision is identified based on the data being processed.

The invention relates to the technical field of sewage treatment, and discloses equipment for automatically detecting SV of sludge settlement, which comprises a reading machine and a mounting support plate on one side of the reading machine, a measuring cylinder is arranged on one side, close to the reading machine, of the mounting support plate, and a mounting seat is fixedly connected to one side, close to the mounting support plate, of the measuring cylinder. A first mounting frame is mounted on the side, close to the reading machine, of the mounting supporting plate, a sliding rail mechanism is fixedly connected to the side, close to the mounting supporting plate, of the first mounting frame, a wire groove guide chain mechanism is mounted on the side, away from the measuring cylinder, of the sliding rail mechanism, and a sliding table guide rail for flushing and an SV detection sliding table guide rail are arranged on the side, close to the measuring cylinder, of the sliding rail mechanism. According to the device, after sampling, the device can automatically detect SV30, data are obtained by driving a mechanical structure to move through signals of an optical sensor, the SV30 value is obtained through integration and analysis, the measurement precision can reach 1 ml, a non-contact measurement method is adopted in the mode, and pollution to measurement equipment can be reduced.

The invention discloses a wafer pre-alignment method, and relates to the field of semiconductors. According to the wafer pre-alignment method, a driving assembly composed of a single-axis robot module is adopted, high-speed and high-precision wafer calibration is achieved, the precision of the wafer position is smaller than + / -0.1 mm, and the edge missing or notch of the wafer is smaller than + / -0.1 degrees; equipment calibration is efficient, the position of the notch of the wafer can be positioned only in 3 seconds, the correction action of the center and the angle of the wafer can be quickly completed, and meanwhile, positioning is achieved; the CCD sensor adopts a high-performance optical sensor, can support the contour detection function of transparent, semitransparent and opaque objects and the like, and is suitable for detecting wafers and glass with the diameter of 100-300mm; the equipment adopts an embedded controller design, so that extra arrangement of a controller and a wiring space is not needed, and an ultra-small volume size is realized; the method is suitable for high-cleanliness environments such as semiconductors and photoelectricity.

The invention discloses a complex soft obstacle environment-oriented quadruped robot crossing advancing method, which comprises the following steps of S1, actively interacting with the terrain under the condition of no prior environment perception, and obtaining terrain mechanical property information; s2, based on the obtained terrain mechanical property information, deeply analyzing the terrain, evaluating the risk of the robot advancing in the terrain, and adjusting the gait according to the risk; and S3, comprehensively evaluating the traveling safety of the robot on the current terrain, and deciding whether to pass safely or take recovery measures according to the risk level. The method gets rid of the dependence of the traditional technology on geometric contour perception of an optical sensor, and can directly obtain key mechanical parameters of subsidence, shearing and the like of soft terrains such as sludge and thick snow on line; meanwhile, in combination with a parameter estimation method for simplifying a Bekker model, the problem of perception deviation caused by large mechanical property difference of visual similar areas is solved, and reliable environmental data support is provided for subsequent planning and control.

The invention relates to the technical field of automatic control, and discloses a pressure-sensing precision mechanical part polishing brush system and method.The system comprises a multi-mode pressure sensing module, an elastic feedback execution module, a self-adaptive trajectory planning module and a closed-loop quality control module; establishing a contact pressure distribution model and analyzing pressure balance, and generating local and global pressure compensation instructions according to the pressure balance; an elastic feedback mechanism is driven to dynamically adjust the axial pressure of the brush, and meanwhile, a self-adaptive polishing path containing a pressure compensation weight is planned by combining the morphology data; the feeding speed and the rotating angle are cooperatively adjusted in the polishing process, and precise machining of the complex curved surface is achieved; and finally, the surface roughness is detected through an optical sensor, and technological parameters are optimized in a closed-loop mode. The problems of surface scratches and contour distortion caused by uneven pressure distribution are solved, and the machining quality and consistency of precision parts are improved.

Systems and methods are provided for contextually controlling vehicle components based on the gaze of a vehicle occupant. The gaze of a vehicle occupant is monitored using one or more optical sensors and control circuitry to identify a first settled gaze. The gaze context is determined contemporaneously with the first settled gaze using one or more context sensors and the control circuitry. A vehicle component is identified based on the first settled gaze and the gaze context. A control signal is then generated at input / output circuitry to control the vehicle component, the control signal being based on the identified vehicle component and the first gaze context.

An optical sensor includes: a sensor base that forms a first base surface, which is parallel to a Y-Z plane, and a second base surface, which is parallel to an X-Z plane; a receiver unit that is configured to receive a reflection beam along a received light optical axis; a plurality of primary shims that are respectively positioned at three distinct locations to position the receiver unit relative to the sensor base around a Y-axis and also around a Z-axis; and a plurality of secondary shims that are respectively positioned at two distinct locations to position the receiver unit relative to the sensor base around an X-axis. Each primary shim has a thickness set based on an orientation angle of the received light optical axis. Each secondary shim has a thickness set based on the orientation angle.

Examples in the present disclosure relate to scale estimation for facilitating extended reality (XR) experiences. An image of a hand of a user is captured via one or more optical sensors of an XR device. The image is processed to detect a hand pose relative to the XR device. A hand scale estimate corresponding to the detected hand pose is accessed. The hand scale estimate is one of a plurality of hand scale estimates each uniquely associated with a respective hand pose. The hand scale estimate is applied to generate positional data for one or more features of the hand of the user. The XR device tracks the hand of the user based on the positional data while the user uses the XR device.