97 results about "Light sensitive" patented technology

Provided are multi-wavelength phototherapy devices, systems and methods for the treatment of a disorder or disease, including multi-wavelength low level light therapy (“PBM”), in particular to multi-wavelength PBM and other phototherapy systems and methods for improving functionality in and / or restoring functionality to a cell and / or tissue through the coordinated and targeted delivery to the cell or tissue of two or more doses of light having distinct wavelengths, wherein the two or more doses of light, when delivered in a coordinated fashion, can stimulate the activity of two or more light sensitive factors that, when activated, provide and / or enhance a desired target cell functionality. Ophthalmic phototherapy devices, systems, and treatment methods to expose an eye to selected multi-wavelengths of light to promote the healing of damaged or diseased eye tissue. The devices include a housing having an interior; an eyepiece disposed on the housing and configured and arranged for placement of an eye of the patient adjacent the eyepiece; a first light source producing a first light beam having a first therapeutic wavelength and disposed within the housing; a second light source producing a second light beam having a second therapeutic wavelength and disposed within the housing, where the second therapeutic wavelength differs from the first therapeutic wavelength by at least 25 nm.

A LIDAR system includes at least one laser light source, at least one light-sensitive detector including a plurality of pixels, and at least one processor configured to cause the at least one laser light source to project laser light toward a field of view of the LIDAR system, generate a point cloud including distance information relative to objects in the field of view of the LIDAR system based on output signals generated by the at least one light-sensitive detector in response to received laser light return signals reflected from the objects in the field of view, and generate an image representative of at least a portion of the field of view of the LIDAR system based on output signals generated by the at least one light-sensitive detector in response to non-laser light incident upon the at least one-light sensitive detector. The processor is configured to compare the point cloud to the image to detect whether inconsistencies exist between representations in the point cloud and corresponding representations in the image of objects from the field of view, and, in response to detection of one or more inconsistencies between representations in the point cloud and corresponding representations in the image of objects from the field of view, adjust one or more aspects of the generated point cloud to provide an updated point cloud.

The invention provides a preparation method of an acoustic / photosensitizer-manganese dioxide nanoparticle and a product thereof. According to the method, firstly, a potassium permanganate reduction method is adopted to precisely synthesize the high-purity MnO2 nano-substrate, and according to the method, the size uniformity and dispersion stability of nano-particles can be precisely controlled by regulating and controlling the pH value and temperature of a reaction system and the concentration of a reducing agent. On the basis, amphiphilic high-molecular polyethylene glycol-polycaprolactone (PEG-PCL) is modified on the surface of the MnO2 nanometre. The whole preparation process is green and mild, and complex equipment is not needed; the reaction conditions are mild, nanoparticles are uniform, and the acoustic / photosensitizer can be combined and applied to an imaging technology to realize real-time monitoring.

The invention discloses a visible light positioning method based on a single light source base station and double photosensitive position detectors. The method comprises: constructing a visible light positioning system; defining a world coordinate system, a PSD coordinate system and a PSD imaging coordinate system; calibrating two PSD internal parameters in the visible light positioning system by using a Zhang Zhengyou calibration method and an asymmetric dot calibration plate; the world coordinates of the LED light source and the external parameters of the PSD are calibrated; and determining the real-time coordinates of the mobile carrier in the world coordinate system. The method has the advantages that the double PSD receivers and the single light source base station are used for positioning the mobile carrier, positioning coordinate calculation can be carried out as long as the mobile carrier loaded with the double PSD receivers is located in the coverage area of one light source base station, operation is safe, easy and convenient, the degree of dependence on the light source density is reduced, and the applicability of the visible light positioning technology is enhanced.

A camera system and a corresponding encoder mask are presented. The camera system comprises: a detector array comprising a plurality of light sensitive pixels, an encoder mask comprising an array of a plurality of similar unit cells having selected encoder pattern, and a lens arrangement comprising one or more optical lenses positioned for imaging input light onto said encoder mask. Each of the plurality of similar unit cells carries an encoding pattern having at least first and second axes of symmetry. Alternatively, or additionally, the unit cells of said encoder mask are larger than a diffraction limited spot defined by the lens arrangement and the encoder mask is displaced from image plane defined by the lens arrangement thereby allowing for optical spot to cover a unit cell of said encoder mask.

The invention relates to the technical field of image recognition, in particular to a wild animal behavior recognition method and system based on visual recognition. The method comprises the following steps: acquiring continuous image frames, analyzing gray direction changes of pixel blocks in adjacent frames, extracting low-photosensitive texture features and forming a texture change track; then fusing the texture trajectory with the geometric offset trend of the animal contour edge points to generate a behavior dynamic fusion feature capable of representing the action direction and intensity; and carrying out continuity calculation on the fusion features, and judging whether the action meets a behavior triggering condition based on a change continuity index, thereby realizing automatic identification and output of the wild animal target behavior. According to the method, the texture change track and the contour geometric deformation direction are fused, stable recognition of continuous actions under the low-light condition is achieved, and the wild animal behavior recognition result is more accurate and reliable and has the quantitative judgment capacity.

The invention discloses a light spot position sensor for alignment of a transport vehicle and an alignment method thereof, the light spot position sensor is used for alignment adjustment of the transport vehicle, the light spot position sensor comprises a mounting plate and one or more rows of light-sensitive elements mounted on the mounting plate, and each row comprises a plurality of light-sensitive elements; a light spot position sensor is installed on one face of two adjacent moving faces, a light spot emitter is installed on the other face of the two adjacent moving faces, light spots emitted by the light spot emitter irradiate a photosensitive element of the light spot position sensor, and the light spot position sensor collects signals. The detection precision of the light spot position sensor is improved by utilizing one or more rows of light sensitive elements so as to meet the design requirement, and the vehicle alignment method based on the light spot position sensor is simple, effective and cost-saving.

The invention relates to a heat and light sensitive tissue scaffold suitable for the growth, proliferation and organization of the cells in the technical field of tissue engineering, which is endowed with intelligent behavior and thus has a dynamic structure, and a method for producing the same.

Provided are multi-wavelength phototherapy devices, systems and methods for the treatment of a disorder or disease, including multi-wavelength low level light therapy (“PBM”), in particular to multi-wavelength PBM and other phototherapy systems and methods for improving functionality in and / or restoring functionality to a cell and / or tissue through the coordinated and targeted delivery to the cell or tissue of two or more doses of light having distinct wavelengths, wherein the two or more doses of light, when delivered in a coordinated fashion, can stimulate the activity of two or more light sensitive factors that, when activated, provide and / or enhance a desired target cell functionality. Ophthalmic phototherapy devices, systems, and treatment methods to expose an eye to selected multi-wavelengths of light to promote the healing of damaged or diseased eye tissue. The devices include a housing having an interior; an eyepiece disposed on the housing and configured and arranged for placement of an eye of the patient adjacent the eyepiece; a first light source producing a first light beam having a first therapeutic wavelength and disposed within the housing; a second light source producing a second light beam having a second therapeutic wavelength and disposed within the housing, where the second therapeutic wavelength differs from the first therapeutic wavelength by at least 25 nm.

The invention provides a clamping assembly, a test machine and an execution mechanism, and the clamping assembly comprises a substrate which comprises a chip placement area for bearing a chip; the chip placing area comprises a light-transmitting area corresponding to the light-sensitive area of the chip; the pressing plate is arranged on one side of the substrate and is configured to be matched with the substrate to position the chip; the pressing plate comprises a first pin assembly and a second pin assembly; the first pin assembly is configured to be conductively connected with a pin of the chip; the second pin assembly comprises a switching pin; the substrate further comprises an avoiding area used for avoiding the second pin assembly. Through the cooperation of the substrate and the pressing plate, the chip can be placed in an inverted mode, bottom lighting irradiation can be achieved, transformation of a testing machine and an executing mechanism can be reduced, and high universality is achieved.

The invention relates to the technical field of bathroom cabinet light control, and discloses a bathroom cabinet light intelligent control method and system based on distance and light induction, and intelligent management of a bathroom cabinet lighting system is realized through a microwave sensor and a light sensitive element. When no one uses the lamp, the lamp is in an energy-saving standby state, and all lights are extinguished; once someone approaches, the microwave sensor detects that the human body enters a preset range, the lower cabinet lamp and the display screen are automatically lightened, and the mirror cabinet light is intelligently linked. A user can select a sunlight mode or an indoor light mode through a touch key, and the bathroom cabinet lighting system adaptively adjusts the initial brightness according to the ambient light intensity. In addition, when the user approaches the mirror within a certain distance and stays for more than a set time, the brightness of the mirror front lamp is automatically increased to the maximum, so that a better visual effect is provided. And if the activity is not detected in a period of time, the standby state is automatically returned, so that the optimization balance of energy conservation and user experience is realized.

The present application relates to the field of quantum computing, in particular to a kind of quantum bit computer, including visible light signal generator, visible light detector, quantum processor, signal receiver and signal processing end;The visible light signal generator is used to generate corresponding visible light signal according to control instruction, and the visible light signal is sent to the visible light detector;The visible light detector is used to generate corresponding processor control microwave signal according to the visible light signal received;The signal receiver is used to receive the calculation feedback microwave signal of the quantum processor, and the calculation feedback microwave signal is sent to signal processing end.The present application reduces the heat conduction from room temperature zone to low temperature zone, increases the available power redundancy of low temperature zone device, while the frequency of visible light is higher, and the modulation capacity is stronger, cooperate with only visible light sensitive silicon-based photo avalanche diode, can improve the signal-to-noise ratio of information transmitted to the quantum processor.

The invention provides a medical optical positioning label identification and positioning method based on computer vision, and relates to the technical field of optical positioning, and the method comprises the steps: segmenting a collected image into a foreground image and a background image based on an H component analysis method; performing graying and bilateral filtering processing on the foreground image; carrying out edge extraction on the processed foreground image, and constructing an ROI region; performing reflective mark circle feature enhancement on the ROI region by adopting a multi-algorithm feature enhancement method, and communicating a Blob region by adopting a morphological closed operation method; performing Hough circle fitting on the enhanced image to obtain the position of a reflective mark circle; and calculating the coordinate center of the reflective mark circle, and converting the coordinate center into world coordinates. The method provided by the invention has stronger robustness for an actual medical scene, and can cope with the conditions of light reflection, uneven illumination and the like. In addition, by means of the method, the recognition range of a current medical image positioning target can be effectively expanded, and the method is not limited to a near-infrared light sensitive target.

A printing apparatus has a sensor unit including a light emitter, a plurality of light sensitive units that detect reflected light of light emitted from the light emitter, and an aperture member provided between the plurality of light sensitive units and a detection target that includes an opening for limiting input of the reflected light to a light sensitive unit. The printing apparatus causes the sensor unit to scan relative to the detection target, and, based on a differential signal of signals from a first light sensitive unit and a second light sensitive unit, detects an edge of a printing medium in the detection target. The plurality of light sensitive units are arranged to be aligned in a scanning direction, and the first and second light sensitive units detect the reflected light through the same opening of the aperture member.

The utility model discloses an electric feeder and relates to the technical field of material transportation, a light-emitting device and a photosensitive receiving device are installed on the two sides of a material taking opening of a material belt in an opposite emission mode, the change of light emitted by the light-emitting device to the photosensitive receiving device is shielded through a suction nozzle in the material taking process, and the feeder is controlled to conduct feeding through a photoelectric conversion plate and a control panel. The feeder can be triggered to feed only by taking the material through the suction nozzle, so that tedious connection with a chip mounter is omitted, and meanwhile, the problem that the feeder cannot be compatible for use due to different protocols is solved.

An optical arrangement for reducing reflections in camera includes image sensor with a light-sensitive surface and a filter arranged at a first distance from the light sensitive surface along an optical axis of optical arrangement. The filter includes a first curved surface facing a light-sensitive surface, and a second surface opposite to the first curved surface. The light-sensitive surface is configured to receive light and reflect received light towards the filter. The filter is configured to reflect light between a first curved surface and a second surface inside the filter. Reflections between the filter and the light sensitive surface are reduced.

The invention provides a detector pixel structure and a preparation method thereof, and relates to the technical field of detector pixel structures. The detector pixel structure comprises a substrate, a supporting composite layer and a light composite layer, the supporting composite layer comprises a first conductive layer, a second conductive layer and a first insulating layer, the first conductive layer and the second conductive layer are stacked, the first insulating layer is arranged between the first conductive layer and the second conductive layer, and the first conductive layer is connected with and electrically conducts the substrate and a light sensitive layer of the light composite layer. The second conductive layer is connected with and electrically conducts the substrate and the light sensitive layer of the light composite layer, so that signals can be transmitted to the substrate through one supporting composite layer, the size of the detector pixel structure can be reduced, the extension length of the supporting composite layer is prolonged within the limited area range of the detector pixel structure, and the detector pixel structure is more compact. The working performance of the detector pixel structure is improved.

The present disclosure relates to an electronic device (12) for a camera module (1) having a housing (2) forming a light entrance opening (4), the electronic device comprising: a substrate (14) having a first side (18) and a second side (20), the first side being arranged in the housing (2) to face the light entrance opening (4) and the second side being opposite the first side (18); and an image sensor (16) having a photosensitive portion, designed as a flip-chip, and mounted to the second side (20). The substrate (14) is formed to be translucent at least in the region of the photosensitive portion of the image sensor (16). The disclosure further relates to a camera module (1) comprising the electronic device and a method for manufacturing the electronic device (12).

The detection platform comprises a base, one side of the top end of the base is provided with a substrate, one side of the top end of the substrate is provided with a motor through a support, one end of the motor is provided with a belt transmission mechanism, one end of the belt transmission mechanism far away from the motor is provided with a screw rod, and the outer wall of one side of the screw rod is provided with a nut pair. A piece containing plate is arranged at the top end of the nut pair, strip-shaped bases are arranged on the two sides of the bottom end of the piece containing plate, limiting rails are arranged on the inner walls of the strip-shaped bases, and limiting frames are arranged at the top ends of the base plates on the sides, away from the strip-shaped bases, of the limiting rails through supports. The automobile headlamp brightness detection platform can simulate the rainy season to detect the brightness of the automobile headlamp, and can detect the brightness of the automobile headlamp at a specified distance, so that the detection effect of the detection platform on the brightness of the automobile headlamp when the detection platform is used is ensured; and the photosensitive sensor is easy to detect the light irradiated by the automobile headlamp at a specified angle, so that the use convenience of the detection platform is improved.

A camera system is described, the camera system comprising: a detector array comprising a plurality of photosensitive pixels; an encoder mask including an array of a plurality of encoders, each encoder of the plurality of encoders including an array of a plurality of similar unit cells; and a lens array comprising a plurality of optical lenses aligned with the array of the plurality of encoders and positioned for imaging input light onto the plurality of encoders. Wherein the camera system is configured to divert a collected light component collected from a scene onto each of the plurality of optical lenses at a respective angular displacement, with the proviso that each lens collects light having a respective angular range.

The necessary condition for floating in water is that the specific gravity of a human body is smaller than that of water, and viscera swell; viscera inflation is trained by using the concentration of a newborn child on milk suction when the newborn child is hungry, and a milk inlet can be pulled to suck milk only when certain air is generated when the belly is swollen; along with the increase of time and the gradual adjustment of the machine, the children can naturally learn the operation of floating branches on the water surface; the robot can automatically move in water for a long time and float in water like an animal; according to the design of the machine, a crank braked by a lifting rod rotates around a spring rod, the counting function of a counter is achieved, and the height can be adjusted through two screws of a lifting clamping rod or a supporting weight 11 to train and control children; the weight can be added to control the spring scale to learn hydraulic kicking by two feet; the paddling function of two hands can be trained; a photosensitive instrument can be arranged on the rotating shaft 10; a potentiometer; metering equipment such as an electric switch is used for metering the swimming amount and rewarding children through a display or beverage according to the score of the counter; a computer program transmitted to the mobile phone to be displayed by the counter can be seen above the face; and children can learn things.

The utility model relates to the technical field of spotlights, in particular to an integrated lamp with adjustable photoelectric parameters. Comprising a lamp body, a light source assembly is arranged in the lamp body, a light changing assembly, a main control circuit board and a photosensitive sensor are arranged on the lamp body, the light changing assembly and the light source assembly are arranged in a paired mode, and the main control circuit board is connected with the photosensitive sensor and the light source assembly through lines; a color temperature adjusting switch, a power adjusting switch and a light sensing switch are arranged on the lamp body, and the color temperature adjusting switch, the power adjusting switch and the light sensing switch are all connected with the main control circuit board in a matched mode; the LED lamp is reasonable in structure, the light changing assembly can adjust the beam angle, the light spot size and the irradiation range, the working mode of the lamp can be adjusted through the color temperature adjusting switch and the power adjusting switch on the main control circuit board, the photosensitive sensor can control the lamp to be automatically turned on and turned off, and therefore the lamp can be installed and used only through a field power line; therefore, construction difficulty and project cost are reduced.

Some embodiments may include a power monitor to measure power of laser light propagating in a core of an optical fiber; the power monitor to generate a sensor signal using an optical sensor having a light sensitive section with no line of sight to part of the optical fiber; wherein the sensor signal is derived from light emerging laterally from the part of the optical fiber. Other embodiments may be disclosed and / or claimed.

Provided are: an active light sensitive or radiation sensitive resin composition which contains a resin and a compound that has a specific structure and an iodine atom; a resist film which is formed using the active light sensitive or radiation sensitive resin composition; a pattern forming method and a method for producing an electronic device, each using the active light sensitive or radiation sensitive resin composition; and a compound which has a specific structure and an iodine atom.

A first problem addressed by the present invention is to provide an actinic light-sensitive or radiation-sensitive resin composition that can form patterns having excellent LWR and defect suppression. A second problem addressed by the present invention is to provide a resist film, a pattern formation method, and a method for manufacturing a device.　This actinic light-sensitive or radiation-sensitive resin composition contains a resin and a salt that contains an anion moiety represented by formula (1) and a cation moiety represented by formula (X-1) or formula (X-2).

An apparatus is configured to count N-photon events within a time-dependent sequence of events of interactions of a plurality of photons with a light sensitive detector. The apparatus includes a signal-processing device and the light sensitive detector. An N-photon event represents an occurrence of at least N timely overlapping single photon events. The light sensitive detector is adapted to generate a time-dependent digital signal comprising digital patterns representing the time-dependent sequence of events from the detection of the plurality of photons with the light sensitive detector. Each digital pattern in the digital signal comprises a digital pattern width having a continuous sequence of digital values representing at least one event of interaction of at least one photon with the light sensitive detector. The signal-processing device is adapted to identify N-photon events from the digital patterns in the digital signal in dependence from the respective digital pattern width.

The invention relates to an ultraviolet polarization detector, a preparation method thereof, an amino acid molecule detection chip, an amino acid molecule detection system and an amino acid molecule detection method. The ultraviolet polarization detector comprises a substrate; the polarized light sensitive layer is located on one side of the substrate, comprises single crystal gallium oxide and is used for responding to emergent light generated after incident polarized light penetrates through amino acid molecules and generating light current; the electrode is in contact with the polarized light sensitive layer and is used for transmitting the light current; wherein the spectral response characteristic of the ultraviolet polarization detector is related to the polarization state of the incident polarized light. The ultraviolet polarization detector can be used for accurately identifying the types and concentrations of amino acid molecules.

The application discloses a method for tracking the sun by using a photosensitive sphere, which comprises the following steps: uniformly arranging a plurality of photosensitive resistors on the surface of the photosensitive sphere, and placing the photosensitive sphere outdoors; establishing a three-dimensional rectangular coordinate system with the center of the photosensitive sphere as the origin, wherein the xy plane of the three-dimensional rectangular coordinate system is parallel to a solar cell panel; setting the standard value of the photosensitive resistor in a sunny day as R0, obtaining the resistance value of each photosensitive resistor, selecting N photosensitive resistors with the minimum resistance value, calculating the average resistance value of the N photosensitive resistors, and considering that it is a sunny day when the average resistance value is equal to R0; solving the average coordinate value of the coordinates of the N photosensitive resistors in the three-dimensional rectangular coordinate system, and adjusting the angle of the photovoltaic panel according to the average coordinate value, so that the sunlight is perpendicular to the photovoltaic panel. The method can track the sun, and has the characteristics of small energy loss and good economy.

The invention belongs to the technical field of molecular biology, and particularly relates to a molecular marker closely linked with the weak light resistance character of tomatoes and application of the molecular marker. The molecular marker developed by the invention is closely linked with the weak light resistance character of the tomato, and is positioned at the 2361bp position of the nucleotide sequence of the tomato SlMCS1 gene, and the single nucleotide polymorphism is T / G. When the tomato genotype is TT, the tomato is a weak light resistant tomato; when the tomato genotype is GG, the tomato is a weak light sensitive tomato; when the tomato genotyping result is TG, the tomato is a common tomato, and the weak light sensitivity is between that of a weak light tolerant tomato and that of a weak light sensitive tomato. The molecular marker developed by the invention can distinguish the low-light-resistant tomato strain or variety from the low-light-sensitive tomato strain or variety, the low-light-resistant character can be accurately screened in the early stage without large-scale low-light stress experiments, the breeding process of the new low-light-resistant tomato variety can be remarkably promoted, the tomato variety with the low-light-resistant character is obtained, and the tomato variety with the low-light-resistant character is obtained. And the yield of weak-light-resistant varieties is improved under the condition of weak light.

The invention relates to a back-illuminated image sensor and a preparation method thereof, and relates to the technical field of integrated circuits, the back-illuminated image sensor comprises a P-type substrate, a plurality of photodiode structures and a grating layer, and the back surface of the P-type substrate comprises a P-type epitaxial layer; the photodiode structures are distributed at intervals along a first direction parallel to the back surface of the substrate, penetrate through the P-type epitaxial layer along a second direction close to the substrate and extend to the back surface of the substrate; the middle sub-photosensitive layer covers the top surface, the bottom surface and the side surface of the inner sub-photosensitive layer; the outer sub-photosensitive layer covers the top surface, the bottom surface and the side surface of the middle sub-photosensitive layer; the bottom target size of the photodiode structure is gradually reduced in the second direction, the top target size of the photodiode structure is gradually reduced in the direction away from the substrate, and the target size is the size in the first direction; the grid layer covers the tops of the plurality of photodiode structures. The electron concentration of a photosensitive area can be increased at least, and the photosensitive performance of the BSI image sensor is improved.