465 results about "Light pipe" patented technology

A gonioscopic attachment can attach to a gonioscope and can include atraumatic retention elements that are configured to engage an eye to retain the gonioscope relative to the eye. The gonioscopic attachment can be configured to position the gonioscope so that at least a portion of the concave distal surface of the gonioscopic optical element is spaced apart from the eye, and / or so that the curvature of the distal surface is angularly offset from the curvature of the eye. The gonioscope can include a fixation point configured to be visible to the subject when the gonioscope is positioned on the eye. In some embodiments, the retention elements can be incorporated directly into the gonioscope. A coupling mechanism can couple the gonioscope to a lid speculum. The gonioscope can include a light pipe, which can be configured to directly light into the eye.

To provide an optical system capable of enhancing coupling of light from a light source to an optical fiber, particularly an optical system that can be incorporated into medical instruments such as endoscopes.SOLUTION: There is provided an optical system. The optical system comprises a lens including an input surface for receiving light from at least one light source and an output surface through which the light exits the lens, the lens further including a peripheral surface extending between the input surface and the output surface and configured to direct, via total internal reflection, at least a portion of the light incident thereon through the output surface to an output focal point. The optical system can further comprise a tapered light pipe optically coupled to the lens and a light guide (e.g., one or more optical fibers) that is optically coupled to the tapered light pipe. The lens directs the received light to an output focal point that is disposed within the tapered light pipe.SELECTED DRAWING: Figure 3A

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 instrument holder generally includes a carriage rotatable with respect to a carriage support, a light pipe extending axially through the carriage, and an electrical conductor extending through the carriage radially outward of the light pipe. The light pipe can transmit light energy and the electrical conductor can transmit electricity between a proximal end portion and a distal end portion of the carriage to a medical instrument. The rotatable carriage may include a sterile adapter assembly positioned at the proximal and / or distal end portions of the rotatable carriage. The sterile adapter assembly may include a roll disk rotatable with respect to the outer frame, an inner disk rotatable with respect to the roll disk, and a light pipe to transmit light energy through the roll disk. The inner disk can transfer movement of an actuator between the rotatable carriage and the instrument.

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.

An apparatus, system, and method for outputting status information of an internal storage drive. One apparatus includes a mounting tray configured to hold a storage drive, a light pipe coupled to a light-emitting diode (LED) of the storage drive, and a light sensing module coupled to the light pipe. The light sensing module is configured to receive a light signal from the LED, generate a serialized electrical signal based on the light signal, and output the serialized electrical signal to a bus controller, where the serialized electrical signal indicates status information of the storage drive.

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.

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.

The invention discloses a terrain flatness measuring device for land planning space, relates to the technical field of terrain surveying, comprises a total station body, the total station body is set up on a reference point of the measuring work, a laser prism, the bottom surface of the laser prism is provided with a mounting frame, the mounting frame is set up on the target point of the measuring work, an auxiliary mechanism, the auxiliary mechanism comprises a frame assembly, a light pipe assembly and a base assembly, the frame assembly comprises: a support frame, the upper surface of the support frame is provided with a connecting platform, the upper surface of the connecting platform is fixedly installed with an engaging ruler disk, the light pipe assembly comprises: two light-transmitting glass tubes, the two light-transmitting glass tubes are respectively arranged on the side surfaces opposite to each other of two connecting plates, the base assembly comprises: a sliding frame, the sliding frame is fixedly installed on the side surface of the calibration section close to the shielding object, in this scheme, by providing the auxiliary mechanism, the phenomenon that the total station body needs to be moved for observation multiple times is reduced, and the reliability and accuracy of the measurement are improved.

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.

Provided is an input device including an exterior member; a light source housed in the exterior member; a tracked portion that is a part of the exterior member and includes a light emitting portion having an outer surface that emits light toward an outside; and a light guide tube that has an incident surface that receives light of the light source and guides the light of the light source to the light emitting portion, in which a curved surface that widens an angle range of light emitted from the outer surface of the light emitting portion is formed at a boundary surface between light media in an optical path from the incident surface of the light guide tube to the outer surface of the light emitting portion.

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 utility model provides a light pipe braid production knitter which comprises an installation bottom plate, a braiding ring and a supporting disc, a supporting base is fixedly arranged on the upper end face of the installation bottom plate, a power groove with an upward opening is formed in the supporting base, a circular ring-shaped guider is fixedly arranged in the power groove, and the circular ring-shaped guider is arranged in the supporting base. The supporting disc is rotationally arranged in the guider, the supporting disc is in a circular ring shape, a plurality of fixing grooves are formed in the supporting disc, every two fixing grooves form a group, the fixing grooves are annularly arranged, and winding bases are fixedly arranged in the fixing grooves. According to the scheme, the rotating device in the supporting base is started to drive the supporting disc and the weaving ring to rotate reversely, the weaving ring is matched to rotate to gradually wind a spinning strip layer to the surface of the pipeline, the effect of winding and weaving the weaving layer on the surface of the light pipe is achieved, and the effect of precisely connecting the weaving layer to the surface of the light pipe is further achieved; and the subsequent production and output effect of the braided layer light pipe is facilitated.

The invention relates to the technical field of boilers, in particular to a composite water-cooled wall for a biomass boiler and a manufacturing method thereof, the composite water-cooled wall comprises a water-cooled wall main body, and is characterized in that the water-cooled wall main body is formed by combining an upper water-cooled section, a middle water-cooled section and a lower water-cooled section; each of the upper water-cooling section, the middle water-cooling section and the lower water-cooling section comprises a light pipe, a sealing plate, a heat-resistant scratch nail, a nano-porous refractory castable, a reinforcing rib plate and a phase-change heat-insulating layer, and the light pipes, the heat-resistant scratch nails and the nano-porous refractory castable are combined to form a water-cooling wall component; the stability of the wall surface structure can be improved by pouring the refractory castable in the membrane wall, and wall surface cracks or other mechanical damages caused by temperature change due to instability of biomass fuel moisture are prevented; the nano-porous refractory castable has good heat conduction performance on the basis of good heat preservation performance, and heat generated in the boiler can be effectively transferred.

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.