83 results about "Light cone" patented technology

A method, system, and computer program product for mapping a quantum circuit to a quantum processor. A light cone analysis is performed on the quantum circuit. A light cone refers to a map of the effects that the circuit operations have on the final observable value. Circuit operations that fall outside or within one or more light cones of non-identity operators in an observable based on the light cone analysis on the quantum circuit are then determined. The greater the number of overlapping or individual light cones that such circuit operations lie within, the greater the impact that such circuit operations have on the final observable value. A circuit mapping of the quantum circuit on the quantum processor is then determined based on the determination of which circuit operations fall outside or within the one or more light cones of non-identity operators in the observable.

The invention provides a composite light spot laser processing head and a processing method, and belongs to the technical field of laser processing. The composite light spot laser processing head comprises a light source, a collimating lens, a light splitting cone lens and a multi-curvature focus lens, the light source, the collimating lens, the light splitting cone lens and the multi-curvature focus lens are sequentially arranged in the direction of a light beam emitted by the light source, a center hole is formed in the center of the light splitting cone lens, and a light incident surface of the multi-curvature focus lens is a convex aspheric cambered surface. The aspheric cambered surface comprises a first mirror surface area and a second mirror surface area which are arranged from inside to outside in the radial direction, and the mirror surface curvature of the first mirror surface area is smaller than that of the second mirror surface area. By the adoption of the composite light spot laser processing head, point-ring composite light spots can be stably generated, meanwhile, the structural complexity and the manufacturing cost are reduced, and structural miniaturization and improvement of scene use adaptability are achieved.

Lighting device (10) for a passenger transport vehicle, wherein the lighting device comprises: a lighting unit (13) designed to illuminate a projection area (31) differently with a light cone (130) based on a plurality of different lighting patterns; where the lighting patterns are pixel-based image data; an interface (12) to an external system for receiving and sending lighting data; and a control unit (11) designed to control the lighting unit with respect to the different lighting patterns based on the received lighting data; characterized by the fact that the lighting unit (13) is designed to generate multiple light cones in a coverage area of ​​the lighting unit depending on the pixel-based image data, so that a light cone results in a delimited lighting area within the coverage area and only the resulting lighting area is illuminated.

The application relates to the technical field of laser lighting, in particular to a non-electric manual laser switch and a using method thereof, and aims to solve the problems of poor explosion-proof performance, high laser leakage risk, large coupling loss and stray light interference of an existing laser switch. The switch is connected in series between a light fiber at a light emitting end of a laser and a light fiber at a receiving end of a lighting system, and comprises a manual operating mechanism, a double-lens assembly, a high-precision positioning pin, a light cone assembly, a stray light protection piece and a shell. The switch realizes light path on-off through pure mechanical manual operation. When the switch is turned on, the double lens is accurately aligned through the positioning pin, and laser is coupled and transmitted with low loss. When the switch is turned off, the light cone absorbs laser on the laser side, and the stray light protection piece blocks external stray light. The switch does not have any electrical components, meets the Exd IIC T6 explosion-proof grade, has a coupling loss of less than or equal to 0.2 dB, has laser leakage of less than or equal to 0.01 mW when turned off, is suitable for environments of-40 DEG C to 85 DEG C, and is suitable for explosion-proof scenes such as natural gas pipe corridors and chemical industrial parks. The switch is convenient to operate and has a long service life.

The invention relates to a light-emitting device (1) for single-track vehicles (2), preferably bicycles, comprising: a housing component (5) which can be detachably secured to the frame of the vehicle (2) by means of a fastening device (6); and a light-emitting unit (7), the light-emitting unit (7) having at least one light source (8) and a lens system (10) which is arranged on the outer side of the light-emitting unit (7) in front of the light source (8) and by means of which the light radiation generated by the light source (8) is focussed into the form of an elongate beam-like light cone (13).

The application discloses a tail fiber VCSEL laser assembly packaging structure and method for reducing analog signal noise. The packaging structure is improved. The glass capillary is used to fix the optical fiber. The grinding angle of the end face of the optical fiber is not less than 11 degrees. A layer of anti-reflection film is coated on the grinding end face of the optical fiber and the grinding end face of the glass capillary, so that the reflected light of the grinding end face is reduced. The inner surface of the metal sleeve is roughened. Most of the light energy of the incident light cone emitted by the laser chip enters the optical fiber and the glass capillary through the grinding end face. A small part of the reflected light energy can only be kept in the reflected light cone and reflected to the outside of the coupling lens at a large reflection angle. The rough surface of the inner surface of the metal sleeve diffusely reflects the reflected light, greatly reduces the light signal jitter generated by the reflected light entering the laser chip, and the light signal jitter is less than 0.001. The packaging method is convenient for production. The grinding and coating errors can be greatly reduced during efficient batch production, and the quality control is facilitated.

The invention provides a photon event camera, which comprises an acquisition module and a processing display module, and is characterized in that the acquisition module is used for acquiring photon events and comprises an image intensifier, a coupling light cone, a sensor and a gating unit; the image intensifier is used for amplifying an incident weak light signal, the coupling light cone is connected with the image intensifier and the sensor and is used for transmitting the amplified light signal, and the sensor receives and detects the amplified light signal and then outputs a detection signal; the sensor outputs a plurality of pixel event clusters generated by the plurality of photon signals as detection signals to the upper computer; the processing display module identifies a pixel event group formed by a single photon signal as a photon event, identifies a plurality of pixel event groups generated by a plurality of photon signals as a plurality of photon events, and displays and outputs the photon events corresponding to a space coordinate and a time coordinate. The method is suitable for measuring photon signals in a weak light scene, and has single-photon-level sensitivity; and the method is small in generated data volume, low in data volume and suitable for long-time acquisition.

The invention provides a dimming assembly, a backlight source and an image source, and belongs to the technical field of optical imaging. The dimming assembly is applied to a backlight source of a head-up display device and comprises a plurality of light cones, and the cross sectional areas of the light cones are monotonically increased in the direction from the light-in face to the light-out face of the light cones; the light cone is configured to adjust main light rays of emergent light rays received by the light cone, so that the light rays can be projected to an eye box central area of the head-up display equipment; main light ray directions of emergent light rays of the light cones corresponding to different partitions of a display panel of the head-up display equipment are different.

1. The name of the design product: photography spotlight (PH-354). 2. The use of the design product: the design product is used for mounting on a photography lamp to create special light effects such as spotlighting, light chasing, projection, modeling, and light supplementation during photography and video production. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The embodiment of the utility model provides a transparent lamp body light-emitting device. The transparent lamp body light-emitting device comprises a transparent light guide part, a lamp holder connecting assembly and a light-emitting part. The transparent light guide part comprises at least one light conduction surface; the lamp holder connecting assembly is detachably connected with the transparent light guide part; the light-emitting component is detachably arranged in the lamp holder connecting assembly. The light-emitting component comprises at least one light-emitting area, and the light path of the light-emitting area is matched with the at least one light conduction face. In the dark environment, the transparent light guide part can present the effect of a suspended light ring or a transparent light cone, a light source is invisible, only the geometric aesthetic feeling of light shaping is displayed, soft shading is generated through multiple refraction of light in a transparent medium, dazzling light spots are avoided, and the transparent light guide part is suitable for emotional scenes such as bedrooms and restaurants.

1. The name of the design product: intelligent network connection light cone sign. 2. The use of the design product: for road traffic guidance. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model discloses a projection light cone structure and projection equipment, wherein the projection light cone structure increases the folding structure through the light entrance face of light cone, carries out twice reflection through the first incidence surface and the second incidence surface of the intercalation angle, and can change the slope of two incidence surfaces to adjust the reflection angle of light, realizes the optimization of the illumination distribution of light, and expands the adjustment range of light exit angle. Thus effectively reduce the optical expansion of light source from the light cone exit, reduce the luminous flux loss, improve the optical utilization.

An optical system includes a display, a lens assembly, and a multilayer beam shaping film disposed between the lens assembly and the display. The optical system is configured to display a virtual image for viewing at an exit pupil of the optical system. The beam shaping film includes an array of optically transparent lenses arranged two-dimensionally on an opaque layer. The opaque layer defines a plurality of through openings aligned with the lenses. For an image light cone emitted from each position on an image formed by the display, the beam shaping film transmits and shapes the emitted cone such that the transmitted and shaped cone exits the lens assembly as collimated image light having a first integrated energy E1, and passes through and substantially fills the exit pupil, the passed collimated image light having a second integrated energy E2, such that E2 / E1 ≥ 0.2.

The invention relates to the technical field of optical measurement, in particular to an illuminance test system integrally combined with partition lamplight arrangement for guiding parameter output, which comprises a detection head, and is characterized in that an ambient light detection system comprises an illuminance test module and a frosted inner cover with a semitransparent spherical surface, and the frosted inner cover covers the illuminance test module; a plurality of hollow light cone structures are fixedly arranged outside the frosted inner cover; the camera is covered by the frosted inner cover, and the shooting area of the camera is the inner wall of the frosted inner cover; the camera and the ambient light detection system are connected to the microprocessor system; uniform light which is formed after scattering and diffuse reflection of the frosted inner cover and reflects the overall intensity of the ambient light is received through the illumination test module, and the overall intensity of the ambient light is obtained. And arrangement and adjustment of a plurality of light sources in an auxiliary environment are facilitated.

An optical system includes a display, at least one lens, and at least one of a partial reflector and a reflective polarizer. The optical system forms a virtual image of an image emitted by the display for viewing by an eye. The emitted image includes a plurality of cones of image light. Each cone of image light propagates from a different corresponding location on the emitted image and includes a central light ray propagating along a central axis, such that in each of orthogonal first and second planes that include the central axis, an intensity distribution of the cone of image light as a function of angle relative to the central axis includes a substantially flat peak having a full width of at least 15 degrees across which the peak changes by less than about 20%, and a corresponding fullwidth at half maximum that is less than about 60 degrees.

The invention provides an AGV-based intelligent reflective cone dynamic laying and recycling system, and relates to the technical field of reflective cone dynamic laying, and the system comprises an AGV transportation platform and a cloud decision system. The width d, the road speed limit vmax and the real-time traffic flow rho of the target road section are obtained; determining a basic layout included angle theta and a layout interval delta d corresponding to the combination of d, vmax and rho; generating a comprehensive feature vector XL; inputting the XL into a preset layout included angle weight and layout spacing weight prediction model to obtain a layout included angle weight lambda1 corresponding to theta and a layout spacing weight lambda2 corresponding to delta d; determining a target laying included angle theta'according to the delta d and the lambda 2, determining a target laying spacing delta d 'according to the delta d and the lambda 2, and sending the theta'and the delta d' to the AGV transportation platform so as to lay the reflective heap according to the theta 'and the delta d' through the AGV transportation platform. The method can enable a laying strategy to continuously approach to an optimal solution, and improves the reliability and the economical efficiency of a protection system for a long time.

A method, system, and computer program product for mapping a quantum circuit to a quantum processor. A light cone analysis is performed on the quantum circuit. A light cone refers to a map of the effects that the circuit operations have on the final observable value. Circuit operations that fall outside or within one or more light cones of non-identity operators in an observable based on the light cone analysis on the quantum circuit are then determined. The greater the number of overlapping or individual light cones that such circuit operations lie within, the greater the impact that such circuit operations have on the final observable value. A circuit mapping of the quantum circuit on the quantum processor is then determined based on the determination of which circuit operations fall outside or within the one or more light cones of non-identity operators in the observable.

The application relates to a projection light machine and a projection device. The projection light machine comprises a light source, a light cone, a collimating lens, a focusing lens and a lens which are arranged in sequence along the propagation path of the outgoing light of the light source; the light cone is used for collecting the outgoing light of the light source and emitting the light rays from an outlet; the collimating lens is used for collimating the light rays; the focusing lens is used for converging the light rays towards the lens; and the lens is used for projecting the light rays; the projection light machine satisfies the condition formula: [|ra2|, |rb2|]max <= D / 2; ra2 is the distance between the incident point of the light ray directly emitted at the edge of the outlet on the lens and the optical axis; rb2 is the distance between the incident point of the light ray emitted from the light cone after reflection at the edge of the outlet on the lens and the optical axis; and D is the effective aperture of the lens. The above projection light machine has small light ray loss, high light ray utilization rate and is beneficial to improving the projection brightness.

Dishwasher, in particular a household dishwasher, with a wash container (3) having a loading opening (2) and closable by a door (4), and at least one component movably mounted on the wash container (3), characterized in that the at least one component consists at least partially of at least one light guide (7) or is provided with at least one light guide (7), and that at least one light source (8a - 8g) is provided for coupling light via at least one light entry surface (9a-9e) of the light guide (7), wherein the component is a receiving basket (5) for items to be washed, in particular a dish or cutlery basket, which has a holding element (10) for holding items to be washed in the receiving basket, which is at least partially formed by a light guide (7) or on which a light guide (7) is arranged, wherein the light guide (7) is positioned or positionable in such a manner as tothat a free air gap (21) of variable length exists between the light source (8a - 8g) and the light entry surface (9a - 9e) of the light guide (7), and that the light entry surface (9a - 9e) is directly or indirectly exposed to the light cone (15), and that the light source (8a - 8g) is fixedly arranged inside or outside the washing container (3) or on the door (4).

The application provides a composite light spot laser processing head and a processing method, and belongs to the technical field of laser processing. The composite light spot laser processing head comprises a light source, a collimating mirror, a light splitting cone lens and a multi-curvature focusing mirror, wherein the light source, the collimating mirror, the light splitting cone lens and the multi-curvature focusing mirror are sequentially arranged along the light beam direction of the light source, the center of the light splitting cone lens is provided with a center hole, the light entrance surface of the multi-curvature focusing mirror is an outer convex aspheric arc surface, the aspheric arc surface comprises a first mirror surface area and a second mirror surface area which are sequentially arranged from the inside to the outside in the radial direction, and the mirror surface curvature of the first mirror surface area is smaller than that of the second mirror surface area. The composite light spot laser processing head can stably generate a point-ring composite light spot, reduce the structural complexity and manufacturing cost, realize the miniaturization of the structure and the improvement of the scene use adaptability.

The invention relates to an illumination device for hair, comprising a support device (110) which defines an interior space (111) with an outer contour (112), wherein the interior space (111) of the support device (110) is dimensioned such that the support device (110) is suitable for at least partially surrounding a human head at a distance. A plurality of light sources (310, 320, 330) are arranged on the support device (110, 350) in a distributed manner, wherein each light source (310, 320, 330) is configured to emit a light cone (312, 322, 332) directed towards the interior space (111). The light sources (310, 320, 330) are arranged and can be controlled by a control device (340) such that light cones (312, 322, 332) from adjacent light sources (310, 320, 330) partially overlap in a virtual surface (360) spaced apart from the outer contour (112) and reach an average irradiance (illumination intensity) of 5 to 70 mW / cm2 in the virtual surface (360), wherein the virtual surface (360) extends at a distance of 1 to 70 cm from the outer contour (112) and the virtual surface represents the contour of a human head.

The application discloses a lake benthic organism observation device, which comprises a sinking structure, wherein the sinking structure comprises a light cone cap, an outer threaded upper connector is fixedly connected to the bottom surface of the light cone cap, and a perspective tube is sleeved with the outer thread of the outer threaded upper connector. The cleaning mechanism in circumferential motion can scrape off the organisms and their excrement attached to the surface of the sinking structure, ensure that the sinking structure has good light transmittance, make the image video shot by the observation member clearer and more explicit, and facilitate the staff to clearly and explicitly observe the situation of the lake benthic organisms. The reverse blocking structure can limit the angle adjusting mechanism, so that the angle adjusting mechanism can only rotate in one direction. The angle adjusting mechanism can exert a back-and-forth reciprocating pulling force on the observation member, so that the shooting angle of the observation member changes, the shooting range of the observation member is further increased, the observation area is further increased, the observation area is significantly increased, and the practicability of the lake benthic organism observation device is improved.

The invention discloses a high-performance laser detection system and a laser detection data analysis method and device, and relates to the field of laser testing, and the system comprises a laser, two optical lens groups, an optical fiber light cone, a photoelectric detector and a signal processing circuit. The laser is matched with the two optical lens groups to form two laser screens; the optical fiber cone is coupled to the surface of the photoelectric detector; the photoelectric detector detects laser signals passing through the two laser curtains; the signal processing circuit adopts a hyperbolic tangent amplification circuit to amplify the electric signal to obtain a laser curtain original signal. The method comprises the following steps: sequentially carrying out filtering, fragment identification, explosion zero-time identification and cross-screen matching on original signals of a laser screen, and outputting fragment signal matching pairs and corresponding speeds; the response speed of the laser detection system and the dynamic range of the detection light intensity are improved, meanwhile, accurate identification and parameter calculation of multiple fragments are achieved, and the detection capacity and the analysis efficiency of a traditional laser curtain are remarkably improved.

A lighting device for hair comprises a support device (110) defining an interior space (111) with an outer contour (112), wherein the interior space (111) of the support device (110) is dimensioned such that the support device (110) is suitable for at least partially surrounding a human head at a distance therefrom. A plurality of light sources (310, 320, 330) are distributed on the support device (110, 350), wherein each light source (310, 320, 330) is configured to emit a light cone (312, 322, 332) directed toward the interior space (111).

The invention relates to a common-optical-path light splitting type SF6 gas leakage optical detection system and method, and belongs to the technical field of gas leakage optical detection, and the method comprises the steps that a front imaging lens group captures and converges infrared radiation beams of a target scene to form a parallax-free unified light cone; the light splitting module performs energy splitting on the entering light cone to obtain two paths of synchronous light beams, and the two paths of synchronous light beams enter the first imaging channel and the second imaging channel respectively; the first imaging channel and the second imaging channel are respectively used for filtering and imaging the entered light beam to obtain an original measurement image influenced by SF6 absorption and an original reference image not influenced by SF6 absorption; the image processing unit is used for carrying out correction and global normalization processing on the synchronously acquired original measurement image and the original reference image, and then carrying out difference calculation to obtain a difference image; and carrying out binarization processing on the difference image, and detecting the contour and position of SF6 gas leakage. According to the invention, the identification capability of trace SF6 gas leakage is stronger, and the detection sensitivity and precision are effectively improved.

An optical film and a polarizing beam splitter (PBS) including the optical film is described. The optical film includes first and second optical stacks separated by a spacer. For each optical stack, the optical stack includes a plurality of alternating polymeric first and second layers numbering between 50 and 300 in total where each first and second layer has an average thickness less than about 400 nm. For normally incident light, the optical film has an average optical absorption of greater than about 1%. When the optical film is disposed between first and second hypotenuses of first and second prisms to form a PBS and a cone of light is incident on the PBS making an incident angle of about 40 to 50 degrees with the optical film, the PBS generates substantially no light streak propagating along and between the first and second hypotenuses.

Sterilization unit (100) for a hypothermia device with a cooling circuit, the sterilization unit comprising an inlet (1), an outlet (9), a reactor body (3) and an irradiation unit (5) with a light source (7) for generating ultraviolet radiation, wherein the sterilization unit can be connected to the cooling circuit via the inlet and the outlet, the inlet of the cooling circuit is in fluid communication with an interior (13) of the reactor body, and wherein the irradiation unit is designed such that a light cone (17) of the light source at least partially irradiates the interior of the reactor body.

A self-focusing three-dimensional annular photoelectric gas sensor probe (10) and a sensor device. The self-focusing three-dimensional annular photoelectric gas sensor probe comprises a three-dimensional annular concave reflecting ring (120), which is a concave circular ring taken from a hollow sphere with a central section (122) as a central symmetry plane reference and including the central section (122), wherein the reflecting ring (120) is fixed on a base (130), the base (130) is provided with two beam entry and exit through holes, and a planar reflecting mirror (140) at an angle of 45°to the central section (122) is arranged above each of the beam entry and exit through holes; and one laser (51) and one detector are respectively arranged below the two through holes, and the optical axes of the two beam entry and exit through holes are both perpendicular to the central section (122). By using the laser (51) as a light source that emits a light-cone-shaped beam (50) having a very small divergence angle, and utilizing the focusing characteristics of a three-dimensional annular concave mirror, the beam subjected to multiple reflections is converged on a photosensitive surface of a detector, so as to form a self-focusing reflection system in which the light source and the detector serve as focal points for each other. The difficulty of adjusting a light path is reduced; and the overall design reduces the complexity of the production process and improves the production yield, thereby facilitating large-scale production.

This invention relates to an automatic lightweight cone penetrometer, comprising a trolley and a fixed support. The fixed support is mounted on the front outer surface of the trolley, and a movable rod is fixedly connected to the upper part of the right outer surface of the fixed support. A control unit drives a pull rope to lift a hammer, which is then limited by a guide rod, ensuring the hammer accurately lands on the hammer base. This allows the probe at the lower end of the hammer base to effectively penetrate the ground. A hammer-counting sensor on the hammer base transmits data to the control unit, recording the number of hammer strikes. This eliminates the need for manual recording of hammer strikes and manual lifting of the hammer, reducing labor intensity and saving labor costs. Furthermore, when pulling the probe out of the ground, the use of a toothed belt and gears further reduces labor intensity.