358 results about "Light pipe" patented technology

A vehicle marker lighting device includes a light source. The light source has an elongate light pipe with a first end operatively coupled to the light source and a second end having a metalized surface. The light pipe further has a plurality of prism optics extending into an outside surface of the elongate body. An inner lens is operatively coupled to the light pipe to receive light reflected from the plurality of prism optics and to output the light beam.

An illuminated indicator for a doorbell can be arranged to receive light along an optical axis (e.g., that is perpendicular to a front face of the doorbell housing) and emit the light from an output portion that defines a closed loop (e.g., that extends around the optical axis) and in a direction that is parallel to the optical axis. The illuminated indicator can include a light pipe that receives light along the optical axis and reflects the light to follow a radially outward and divergent path, e.g., that is perpendicular to the optical axis. The radially outward and divergent light can be reflected to follow a path that is parallel to the optical axis for emission at an output portion of the light pipe. The light pipe can be configured to transmit a doorbell switch activation force to other parts of the doorbell to cause actuation of the switch.

The invention discloses an ultra-precision optical centering lathe, and relates to the technical field of high-end lens machining. The ultra-precision optical centering lathe comprises a support, a lathe body, a stand column, a rotary table, an upper light pipe assembly, a lower light pipe assembly and a sliding table assembly, the lathe body is arranged on the support, the lower end of the stand column is arranged on the lathe body, the rotary table is installed on the lathe body and suitable for fixing a mirror set to be machined, and the upper light pipe assembly is arranged on the stand column. The upper light pipe assembly is used for calibrating the optical axis of the upper surface of the lens set, the lower light pipe assembly is arranged on the support and used for calibrating the optical axis of the lower surface of the lens set, the sliding table assembly is arranged on the stand column, a four-station tool turret is installed on the sliding table assembly, an optical confocal system is arranged in a first station on the four-station tool turret, and the optical confocal system is arranged in a second station on the four-station tool turret. An automatic measuring system is arranged in a second station on the four-station tool turret, an outer circle turning tool is arranged in a third station on the four-station tool turret, and an inner circle turning tool is arranged in a fourth station on the four-station tool turret.

Integrated optical waveguides, direct-bonded waveguide interface joints, optical routing and interconnects are provided. An example optical interconnect joins first and second optical conduits. A first direct oxide bond at room temperature joins outer claddings of the two optical conduits and a second direct bond joins the inner light-transmitting cores of the two conduits at an annealing temperature. The two low-temperature bonds allow photonics to coexist in an integrated circuit or microelectronics package without conventional high-temperatures detrimental to microelectronics. Direct-bonded square, rectangular, polygonal, and noncircular optical interfaces provide better matching with rectangular waveguides and better performance. Direct oxide-bonding processes can be applied to create running waveguides, photonic wires, and optical routing in an integrated circuit package or in chip-to-chip optical communications without need for conventional optical couplers. An example wafer-level process fabricates running waveguides, optical routing, and direct-bonded optical interconnects for silicon photonics and optoelectronics packages when two wafers are joined.

The invention belongs to the technical field of optical adjustment of large-aperture telescopes, and particularly relates to a device and a method for in-situ measurement of optical axis errors of a large-aperture telescope in an external field. The method comprises the following steps: S1, roughly adjusting the four-dimensional adjusting base to enable the auto-collimation light pipe to be aligned with the center of a pitch axis of a to-be-measured piece; s2, rotating the pitch axis of the to-be-measured piece, and adjusting the angle inclination adjusting mechanism to enable the reflecting surface of the plane mirror to be perpendicular to the optical axis of the auto-collimation light pipe, and at the moment, enabling the optical axis of the auto-collimation light pipe to coincide with the pitch axis of the to-be-measured piece; s3, using the to-be-detected piece to track a natural star, when the natural star is located at the center of the detector target surface of the to-be-detected piece, rotating the rotatable pentaprism mechanism to enable the third window to be aligned with the natural star, and enabling the natural star to be imaged on the detector target surface of the auto-collimation light pipe and the detector target surface of the to-be-detected piece at the same time; and S4, calculating a visual axis error of the to-be-measured piece based on the imaging track of the natural star. According to the invention, the process can be simplified, the efficiency can be improved, and the large-aperture telescope optical axis difference can be measured in real time in an out-field on-site manner.

Direct-bonded lamination for improved image clarity in optical devices is provided. An example process planarizes and plasma-activates optical surfaces to be laminated together, then forms direct bonds between the two surfaces without an adhesive or adhesive layer. This process provides improved optics with higher image brightness, less light scattering, better resolution, and higher image fidelity. The direct bonds also provide a refractory interface tolerant of much higher temperatures than conventional optical adhesives. The example process can be used to produce many types of improved optical components, such as improved laminated lenses, mirrors, beam splitters, collimators, prism systems, optical conduits, and mirrored waveguides for smartglasses and head-up displays (HUDs), which provide better image quality and elimination of the dark visual lines that are apparent to a human viewer when conventional adhesives are used in conventional lamination.

A hockey puck is disclosed including an internal signal transmitter enabling instantaneous identification of its position as it moves around. The puck includes two molded subcomponents, which encapsulate the signal transmitter. The signal transmitter includes driver electronics and a number of signal transmitters which together generate and emit an electromagnetic signal. The electromagnetic signal is emitted by a plurality of diodes mounted in light pipes enclosed within cavities in the subcomponents that extend to outer surfaces of the hockey puck components. The puck includes two subcomponents that are attached via complimentary sets of concentrically arranged wedges.

An illuminated walking assistance apparatus is disclosed. In at least one embodiment, the apparatus provides an elongated staff having a ground-engaging tip portion at a first end and a handle at an opposing second end. The staff provides a light pipe positioned proximal the tip portion and having a light-emitting member disposed therein to selectively illuminate the ground proximal the tip portion. The staff further provides a pilot light positioned in the handle which is always on so as to facilitate locating the apparatus in a dark environment.

A mirror assembly can include a housing, a mirror, and a light source. In certain embodiments, the mirror is rotatable within a support portion of the mirror assembly. In some embodiments, the mirror assembly includes a light pipe configured to emit a substantially constant amount of light along a periphery of the mirror. In some embodiments, the mirror assembly includes a sensor assembly. The sensor assembly can be configured to adjust the amount of emitted light based on the position of a user in relation to the mirror.

A light pipe assembly is provided which complies with the International Electrotechnical Commission (IEC) IP ratings for dirt and water ingress while reducing the amount of hardware typically required to mount each light pipe. The light pipe assembly includes a light pipe and an adapter. Each adapter includes a vertically extending center channel which receives and connects a light pipe's first end to an LED mounted upon a printed circuit board (PCB). Each light pipe is intended to project through the hole of an electronic device's panel. Furthermore, each light pipe's second end has flange and a press-fit region, preferably in the form of circumferential ribs, which forms a press-fit engagement with a panel.

The invention relates to the technical field of optical equipment testing, and particularly discloses a large-caliber large-range second-of-arc intense laser multi-optical-axis parallelism testing machine which comprises a light pipe body, a light inlet and a light outlet, a supporting table is arranged at the end, close to the light inlet, of the light pipe body, and a three-dimensional adjusting frame is installed at the top of the supporting table; a focal plane observation system is installed in the light outlet, a two-dimensional adjusting frame is installed at the end, close to the light outlet, of the light pipe body, and a trepanning diaphragm plate is installed at the top of the two-dimensional adjusting frame. A second driving assembly is installed at the end, away from the rotating table, of the lifting table, a first driving assembly is installed at the end, below the second driving assembly, of the bottom plate, and a third driving assembly is installed at the end of the inclined plate. According to the invention, a series of structures are arranged, so that the testing machine can carry out large-aperture multi-optical-axis synchronous testing, manual or servo numerical control operation is carried out by means of the three-dimensional adjusting frame, the position of a to-be-detected product is adjusted, large-range and small-range precision adjustment is satisfied, and the testing precision is improved.

An eyewear display device implements a curved lightguide to form an intermediate image between an incoupler and an outcoupler. The curved lightguide produces an approximately 20-degree diagonal field of view (FOV) full-color display having approximately 10% red, blue, green efficiency with uniform color and luminance for a micro-display at a temple of an eyewear display device. The curved lightguide incorporates freeform mirror incouplers and / or outcouplers and color-corrected relay optics. Using an intermediate image stage in the optical pathway allows for use of a compact incoupler that does not exceed a thickness of the curved lightguide.

A system for recording video in a wearable device is provided. The system includes: a barrel to provide mechanical support for one or more components in the system, a camera, disposed inside the barrel, wherein the camera includes a front lens with a field of view pointed to an onlooker outside of the wearable device, a cover glass mounted on the barrel, the cover glass configured to protect the front lens and one or more components in the system, a light emitting device, disposed inside the barrel, and a light pipe configured to receive a light from the light emitting device and to transmit the light through an overlap area on the cover glass and to the onlooker, when the camera is recording a scene outside of the wearable device, within the field of view, wherein the camera field of view comprises at least a portion of the overlap area.

The invention discloses a gas turbine flame detector installation device and a light path determination method and system, and relates to the technical field of gas turbine safety monitoring and combustion diagnosis. The mounting device is connected with a combustion pressure cylinder and a flame tube through a displacement compensation assembly with a floating sealing structure, and can automatically absorb the thermal expansion difference between the combustion pressure cylinder and the flame tube and limit vibration disengagement so as to provide long-term stable support for a light guide tube; the invention relates to a light path determination method, which comprises the following steps: analyzing a combustion grading strategy, simulating and positioning a radiation core, primarily selecting a light path by taking a maximum coverage area as a criterion, carrying out dynamic space interference check, and finally outputting an accurate mounting position coordinate. The light path design method solves the dual technical problems that an experience-dependent light path design method is not accurate in the arrangement of the flame detector of the heavy-duty gas turbine, and the installation structure is damaged or the light path deviates easily due to thermal deformation.

The utility model belongs to the technical field of pipeline repair, and particularly relates to a natural light irradiation curing device for trenchless pipeline repair, which comprises a light guide pipe, a light condensing pipe fixedly mounted at one end of the light guide pipe, a first light beam connector fixedly mounted at one end of the light condensing pipe, and an optical cable winch arranged on one side of the first light beam connector. A motor is fixedly installed on one side of the optical cable winch, a winding roller is arranged on the inner side of the optical cable winch, an optical cable is arranged on the winding roller, a tractor is arranged on one side of the optical cable winch, a second light beam connector is fixedly installed on the top of the tractor, and a second convex lens is arranged at one end of the second light beam connector. The fixed rod, the movable rod, the movable groove, the compression spring, the inner rod, the supporting base and the supporting pulley are arranged and used in cooperation, the supporting base and the supporting pulley can support the top of a pipeline by adjusting the movable inner rod in a lifting mode, the stability of a tractor in the moving process is conveniently improved, and the interior of the pipeline can be better repaired conveniently.

A vehicle charging port assembly 200 comprises a support structure 204, a light pipe 212 and an electrical light source 226. The support structure 204 supports the light pipe 212 and defines a socket

The invention relates to the technical field of automatic driving vehicle cameras, in particular to internal reference calibration and triangulation equipment which comprises a rack, a display screen is installed on one side of the surface of the rack, and the display screen is used for display work of the whole equipment; a calibration rotating mechanism is arranged on the surface of the rack, a fish eye light box mechanism is arranged above the calibration rotating mechanism, a Chart plate light box mechanism is arranged on one side of the rack, and a light pipe mechanism is further connected to the surface of the rack. By arranging the Chart plate light box mechanism, the fish eye light box mechanism and the light pipe mechanism, three kinds of environment tests are integrated on one device, detection work of products at different angles is achieved, the use range of the device is expanded, the three-angle testing function is achieved through one device, time and labor are saved, and the product testing cost is saved; and meanwhile, the calibration rotating mechanism is arranged, so that automatic positioning and clamping work of the product is achieved, and adjustment work at different angles is achieved.

According to the high-gain back scattering detector and the observation system provided by the invention, the detector can be adaptively integrated with the immersed objective lens, and the combination scheme can realize the remarkable advantage of no loss of the working distance. According to the detector provided by the invention, the light path conduction structure is optimized, and the detector is cooperatively matched with the immersed objective lens, so that the advantage of high-resolution imaging of the immersed objective lens is reserved, the efficient capturing capability of the detector on backscattered electrons is maintained, and sufficient working distance can still be ensured in a high-precision observation scene. The flexible optical fiber is adopted to complete optical signal transmission in the sample bin, the length and the overall size of the light guide pipe can be effectively reduced, and the situation that a large-size light guide pipe of a conventional scintillator type back scattering electron detector occupies too much space in the sample bin is avoided. In addition, the detector realizes four-channel independent imaging of the scintillator type back scattering electron detector through a customized four-channel light guide pipe by connecting an independent optical fiber and a PMT.

The utility model provides a double-layer anti-corrosion pre-stressed anchor rod with a double-layer sleeve. The double-layer plastic sleeve is arranged on the periphery of an anchor rod body. The inner layer is a corrugated sleeve, cement paste solidification bodies are filled between the inner layer corrugated sleeve and the anchor rod body, the outer layer plastic sleeve is formed by connecting an outer layer corrugated sleeve section and an outer layer light pipe section through a first heat shrinkage sleeve, the outer layer corrugated sleeve section is located on the front side and corresponds to the anchoring section, and the outer layer light pipe section is located on the rear side and corresponds to the free section. The anti-corrosion device can be applied to the pre-stressed anchor rod, double-layer anti-corrosion of the pre-stressed anchor rod is achieved, the prefabricated double-layer anti-corrosion anchor rod can be protected from being damaged in the transportation and installation process through multiple protection effects, and it can be achieved and guaranteed that the anchor rod can be located in a reasonable position in an anchor rod hole and is stably fixed to a hole opening; and the building quality of the anchor rod is ensured and improved. The device can be implemented on site or prefabricated in a factory, the crack width requirement does not need to be controlled, and the reliability is higher.

An assembly includes a collimator having one end associated with a light source, a pillow lens associated with the collimator, and at least one surface that is non-coplanar with the pillow lens. The assembly further includes at least one light pipe, wherein a first portion of light is directed through the pillow lens and a second portion of light exits the pillow lens and is directed by the at least one surface into the at least one light pipe.

The present disclosure refers to a light module for an exterior mirror of a vehicle, comprising a housing, a lens attached to the housing and including at least a first lens section that is configured to direct light in a first direction and a second lens section that is configured to direct light in a second direction, a first light emitting diode (LED) mounted within the housing, a plurality of second LEDs mounted within the housing and configured to emit light through the first lens section, and a light pipe mounted within the housing and configured to receive light emitted from the first LED and emit light through the second lens section.

A surgical retractor may be configured for mounting to a self-retained surgical retractor frame. The surgical retractor may include dual capability for both retracting tissue at a wound or surgical incision site and for providing surgical site illumination. The surgical retractor may include a light conduit, a mounting post, and a blade. The light conduit may be disposed along at least a part of the blade at a distance to define an offset gap between the light conduit and the post. In operation, the post may be translatably received within an aperture formed in the connector so that the connector is moved within the offset gap and the blade moved in a direction suitable for tissue retraction.

The invention relates to the technical field of high-precision optical detection, and discloses a collimator airflow disturbance suppression method and system based on mirror surface temperature difference feedback, and the method comprises the steps: continuously obtaining the mirror surface temperature data of a plurality of discrete regions on the mirror surface of a reflector of a collimator and the air temperature data of a corresponding air layer above the mirror surface; the two kinds of temperature data are compared in real time, and a temperature difference field reflecting temperature difference space distribution between the mirror surface and the air layer is generated; adjusting the mirror surface temperature of the corresponding area according to the temperature difference field; and iteratively executing the steps until the temperature difference field reaches a preset convergence condition so as to suppress the airflow disturbance of the thermal boundary layer. According to the application, the problem of inhibiting dynamic airflow disturbance which is difficult to directly measure is converted into the control problem of carrying out closed-loop control on the temperature difference of the mirror surface microcell which can be accurately measured, and finally, a balance state in which the temperature difference between the mirror surface and air is almost zero is achieved and maintained, so that the generation of disturbance airflow is inhibited.

The utility model discloses an air cannon assembly device which comprises an outer shell, an air cannon assembly and an air cannon assembly. The ejection structure assembly is arranged in the shell; the iris valve assembly is arranged in the shell and located on one side of the ejection structure assembly; the inner container film is arranged between the ejection structure assembly and the iris valve assembly; the smoke generating assembly is arranged in the shell; and the light tube assembly is mounted on the shell. Smoke is in a closed state when being formed through closing of the push plate, the rotating plate, the inner container film and the curled edge, so that the cigarette making device is in a relatively sealed state in the cigarette making process, and the effects of no smoke leakage, no waste, no pollution and no influence on the environment of players can be achieved.

The present application provides an atmospheric aerosol laser radar calibrator, comprising a circular ring base, a collimating lens seat, a calibration rotating seat and an optoelectronic emission module; the optoelectronic emission module comprises a light-emitting module, an optoelectronic control and driving module and a cable joint; the light-emitting module comprises a metal seat, a semiconductor light-emitting device, a photodiode and a light pipe, and the semiconductor light-emitting device, the photodiode, the optoelectronic control and driving module and the cable joint are connected in series. The atmospheric aerosol laser radar calibrator simulates laser radar echo signals of different atmospheric scenes by generating optoelectronic signals of different wavelengths and different dynamic characteristics. It can calibrate main optoelectronic parameters and indexes of a laser radar under laboratory or field environmental conditions.

The invention discloses a light pipe leakage detection system and method, and relates to a leakage detection system and method. The invention aims to solve the problem that a special tool for detecting leakage of the subsystem module does not exist at present. The light pipe leakage detection system comprises a workbench, and the upper surface of the workbench is detachably connected with an air inlet leakage detection tool and a plugging end leakage detection tool. The invention belongs to the technical field of light pipe leakage detection.

The invention provides a waste gas treatment device for environmental engineering. The waste gas treatment device structurally comprises a gas suction pipe, a filter box, a guide pipe, an activated carbon box, a communication block and a discharge pipe fitting, and the gas suction pipe is embedded into the top edge of the filter box; after the exhaust pipe fitting is further improved, the auxiliary base is installed in a communication block area through the connecting piece, a light pipe of an anti-pollution structure is arranged at the upper end of the pipe body, the light block covers the top of the pipe body when the device purifies waste gas, space waste gas is prevented from invading from the top of the pipe body, and finally the purified gas is exhausted through the pipe body. The exhausted gas can eject the light pipe and the light block out of the upper end of the pipe body through self impact force, the filter grid is exposed in the space, the purified gas can be stably exhausted, and after the gas is exhausted, the light pipe and the light block can fall again through centrifugal force to cover the top of the pipe body again. And therefore, the through cavity area can be prevented from being polluted by space impurities.

The light guide (110) includes a body (120) having a substantially plane exit surface (112) and an entrance surface (122) configured to capture an incident light flux (F106) emitted by a light-emitting diode (106). The entrance surface (122) includes a central face (124) astride a median plane (M120) and, on each side of the median plane (M120), a first lateral face (131) and a second lateral face (132), so that the incident light flux (F106) is divided into three distinct light fluxes. The body (120) further includes external reflecting faces, each configured to reflect light fluxes associated with each lateral face toward the exit surface (112).

The present disclosure relates to a system (10, 10') comprising a light assembly for an illumination of a vehicle design element, comprising: one or more light pipes (1, 1', 1a, 1b), wherein each light pipe (1, 1', 1a, 1b) comprises a core (11'); one or more light sources (2, 2a, 2b, 2c, 2'), disposed at least partially within an interior of the system, wherein each light source (2, 2a, 2b, 2c, 2') is configured to emit light (20') based on at least receiving electrical power from an electrical power source, and each light source (2, 2a, 2b, 2c, 2') is arranged adjacent to and directed towards at least one of the one or more light pipes (1, 1', 1a, 1b) such that the emitted light (20') results in reflected light (21') propagating within the core (11') and diffuse light (22') exiting the one or more light pipes (1, 1', 1a, 1b) along the same; and a lens (5') substantially enclosing the interior, the one or more light pipes (1, 1', 1a, 1b) and the one or more light sources (2, 2a, 2b, 2c, 2'), wherein the lens (5'), having an inner surface and an outer surface disposed opposite the inner surface, is provided with a continuous transparent and / or translucent coating on the outer surface, with the one or more light sources (2, 2a, 2b, 2c, 2') receiving electrical power from the electrical power source, the continuous transparent and / or translucent coating is at least partially permeable to at least some of the diffuse light (22') which is passed through the lens (5'), and the continuous transparent and / or translucent coating comprises a metal, an alloy or a conductive metalloid. The one or more light pipes (1, 1', 1a, 1b) comprise two or more light pipes (1, 1', 1a, 1b), wherein the two or more light pipes (1, 1',1a, 1b) at least partially overlap, providing at least one region of overlap to substantially close a loop, to provide a homogenous illumination of at least one 360° illumination window (41') when the one or more light sources (2, 2a, 2b, 2c, 2') receive electrical power from the electrical power source.

The utility model provides a lens inspection device based on a transmission-type collimation imaging measurement method, which relates to the technical field of optical machine assembly, is matched with a collimator, a lens, an electron microscope and an industrial personal computer for use, and comprises a rotary table, a lifting table, a translation table, an angular table, a quick mounting plate and a lens clamp, the lens inspection device comprises a rotary table, a lifting table is fixedly connected above the rotary table, a translation table is fixedly connected above the lifting table, an angular table is fixedly mounted above the translation table, a lens clamp is fixedly mounted above the angular table, and the lens inspection device accurately detects aberration and definition of a lens by adjusting positions and angles of the rotary table, the lifting table, the translation table and the angular table. The problem that the detected lens cannot be accurately coaxial with the collimator and the electron microscope is solved, and high dynamic and wide range of lens detection is realized.