Abstract: An optical fiber cable assembly includes a core sheath defining an installation space that is formed therethrough along length thereof, an auxiliary thread extending through the installation space, and having opposite first and second end sections that respectively extend out of two ends of the core sheath, and at least one core connected to the first end section of the auxiliary thread, such that the second end section of the auxiliary thread can be pulled outwardly to move the core into the core sheath.

Abstract: A distribution cabling tape comprises a resilient polymeric base sheet having a first major surface and a second major surface, the first major surface having a continuous lengthwise channel formed in a first portion thereof. The tape also includes an adhesive layer disposed on a second and third portion of the first major surface, the adhesive layer capable of adhering to a concrete or asphalt surface, such as a road, curb, or walkway.

Abstract: This invention discloses a type of optical cable wiring system, including: a main optical cable, first optical cable connector box and optical cable fan-out disposed near a first user zone; a second optical cable connector box disposed at a distance from the first user zone and near a second user zone; and a single main adapter optical cable disposed between the first optical cable connector box and second optical cable connector box. An optical cable fan-out converts a single main adapter optical cable to multiple branch adapter optical cables.

Abstract: Disclosed is a camera device, comprising a mounting member and support member used for mounting a camera; the mounting member is rotationally connected to the support member, and the rotational axis of the mounting member is perpendicular to the axial direction of the camera; the mounting member is provided with magnetic body, at the magnetic body side located on the rotational axis of the mounting member, the direction of the magnetic poles of the magnetic body is parallel to the axial direction of the camera; the support member is provided with an electromagnet, and the axial direction of the electromagnet is perpendicular to the rotational axis of the mounting member; the magnetic body is located at the end of the electromagnet that is in the axial direction.

Abstract: A lens module includes a lens barrel and a lens group accommodated in the lens barrel. The lens group includes a first lens and a second lens, each of the first lens and the second lens including an arc part and a peripheral part around the arc part. A matching structure is formed by the peripheral part of the second lens and the peripheral part of the first lens. By virtue of the matching structure, the lens module of the present disclosure has a high concentricity.

Abstract: A lens module includes a lens barrel and a lens group accommodated in the lens barrel. The lens group includes a first lens and a second lens, each of the first lens and the second lens including an arc part and a peripheral part around the arc part. A matching structure is formed by the peripheral part of the second lens and the peripheral part of the first lens. By virtue of the matching structure, the lens module of the present disclosure has a high concentricity.

Abstract: A lens module includes a lens barrel and a lens group accommodated in the lens barrel. The lens group includes a first lens and a second lens, each of the first lens and the second lens including an arc part and a peripheral part around the arc part. A matching structure is formed by the peripheral part of the second lens and the peripheral part of the first lens. By virtue of the matching structure, the lens module of the present disclosure has a high concentricity.

Abstract: A lens module includes a lens barrel and a lens group accommodated in the lens barrel. The lens group includes a first lens and a second lens, each of the first lens and the second lens including an arc part and a peripheral part around the arc part. A matching structure is formed by the peripheral part of the second lens and the peripheral part of the first lens. By virtue of the matching structure, the lens module of the present disclosure has a high concentricity.

Abstract: An optical system includes a liquid lens and an adjustment structure. The liquid lens includes an optically-active region and an adjustment region that is not optically-active. The adjustment region has a volume that corresponds to an optical parameter of the optically-active region. The adjustment structure is configured to interface with the adjustment region. The adjustment structure includes a first portion having a first coefficient of thermal expansion and a second portion having a second coefficient of thermal expansion that differs from the first coefficient of thermal expansion. The first portion and the second portion are configured to collectively change the volume of the adjustment region throughout an operational temperature range of the optical system based on the first coefficient of thermal expansion of and the second coefficient of thermal expansion.

Abstract: A optical projection device that projects an image with excellent image quality while achieving miniaturization is provided. The optical projection device includes a first lens frame holding a first lens group L1 and including a cam pin, a guide barrel including a straight movement groove, a cam barrel including a cam groove, and an urging portion that urges the first lens frame in a direction intersecting with the direction along an optical axis. The cam pin is formed at a position spaced apart from a center of gravity including the first lens frame and members attached to the first lens frame in the direction along the optical axis Ax and the urging portion urges the first lens frame at a position closer than the cam pin with respect to the center of gravity in the direction along the optical axis.

Abstract: At least one focus detection signal processing unit calculates a first correlation amount obtained by comparing a pair of image signals with each other in a same direction on a time axis and a second correlation amount obtained by comparing the pair of image signals with each other in opposite directions on the time axis, the pair of image signals being output from an image sensor and respectively corresponding to a pair of light beams that have each passed through a corresponding one of areas, in an exit pupil of an imaging optical system, that are at least partially different from each other. A camera control unit determines whether an image shift amount corresponding to the first correlation amount corresponds to an in-focus position, based on the first correlation amount and the second correlation amount.

Abstract: A four-piece optical lens for capturing image and a five-piece optical module for capturing image are provided. In the order from an object side to an image side, the optical lens along the optical axis includes a first lens with positive refractive power; a second lens with refractive power; a third lens with refractive power; and a fourth lens with refractive power; and at least one of the image-side surface and object-side surface of each of the four lens elements are aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: A four-piece optical lens for capturing image and a five-piece optical module for capturing image are provided. In the order from an object side to an image side, the optical lens along the optical axis includes a first lens with positive refractive power; a second lens with refractive power; a third lens with refractive power; and a fourth lens with refractive power; and at least one of the image-side surface and object-side surface of each of the four lens elements are aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: A camera lens is disclosed. The camera lens includes, in an order from an object side to an image side, a first lens with a positive refractive power; a second lens with a negative refractive power; a third lens with a positive refractive power; and a fourth lens with a negative refractive power. The camera lens further satisfies specific conditions.

Abstract: A camera lens is disclosed. The camera lens includes, in an order from an object side to an image side, a first lens with a positive refractive power, a second lens with a negative refractive power, and a third lens with a positive refractive power. The camera lens further satisfies specific conditions.

Abstract: A photographic lens includes: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a positive refractive power; and a fifth lens having a negative refractive power, wherein the first to fifth lenses are sequentially arranged in a direction from an object toward an image plane, and the photographic lens satisfies the following conditions: 75°<FOV<90° 0.7<TTL/ImgH<0.8 where FOV refers to a field of view of the photographic lens, TTL refers to a distance measured along an optical axis from an entrance surface of the first lens to the image plane, and imgH refers to an image height.

Abstract: Present embodiments provide for optical imaging lenses. An optical imaging lens may include five lens elements positioned sequentially from an object side to an image side. By controlling the convex or concave shape of the surfaces of the lens elements and designing parameters satisfying at least one inequality, the optical imaging lens may exhibit better optical characteristics and the total length of the optical imaging lens may be shortened.

Abstract: Present embodiments provide for mobile devices and optical imaging lenses thereof. An optical imaging lens may include five lens elements positioned sequentially from an object side to an image side. By controlling the convex or concave shape of the surfaces of the lens elements and designing parameters satisfying at least one inequality, the optical imaging lens may exhibit better optical characteristics and the total length of the optical imaging lens may be shortened.

Abstract: An optical photographing assembly includes, in order from an object side to an image side along an optical axis, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element has positive refractive power. The third lens element has at least one of an object-side surface and an image-side surface being aspheric. The fourth lens element has at least one of an object-side surface and an image-side surface being aspheric. The fifth lens element has at least one of an object-side surface and an image-side surface being aspheric, wherein at least one of the object-side surface and the image-side surface of the fifth lens element includes at least one inflection point.

Abstract: The imaging lens ensures the wide shooting view angle, and required angular resolution over the entire shooting range. The imaging lens includes at least a first lens and a second lens. The first lens has a first surface on which a principal light beam is made incidence, and a second surface from which the principal light beam is emitted. The second lens has a third surface on which the principal light beam emitted from the first lens is made incidence, and a fourth surface from which the principal light beam is emitted. Upon incidence of the principal light beam on the first lens, an incident angle ?n at which the principal light beam is made incidence on the first surface at right angles is allowed to be positioned other than a center of the first surface.

Abstract: In a flow cytometer, an objective lens for focusing an input laser-radiation beam including at least four different laser-radiation wavelengths in a common plane includes only three singlet lens-elements. Two of the elements are cylindrical elements arranged as a cylindrical telescope for shaping and reducing the size of the input laser-beam. The third element is a spherical element arranged to focus the reduced size beam in the common plane. In one example, all three elements are made from the same optical material.

Abstract: A zoom lens includes in order from an object side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, a fourth lens unit having a negative refractive power, and a fifth lens unit having a positive refractive power. The first lens unit includes a positive lens, and the second lens unit includes a positive lens, and the following conditional expressions (1), (2), (3), and (4) are satisfied: ?0.015?Tp2G_min_p?0.015??(1), 70.3??d1G_max_p??(2), 1.76?nd2G_max_p?2.3??(3), and 0.3?|f2/f3|?0.9??(4).

Abstract: A zoom lens includes a front-side lens unit, a rear-side lens unit, and an aperture stop. The front-side lens unit includes either one lens unit having a negative refractive power or two lens units having a negative refractive power, and has a negative refractive power as a whole. The rear-side lens unit is disposed on an image side of the front-side lens unit, and has a positive refractive power as a whole at a telephoto end. The rear-side lens unit includes a plurality of lens units, and includes an object-side positive lens unit having a positive refractive power which is disposed nearest to object and the following conditional expressions (1), (2), and (3) are satisfied: 1.2?|MGB_t|?6 ??(1), 10??dGn_min_p?27 ??(2), and ?0.03?TpGn_min_p?0.014 ??(3).

Abstract: A confocal inspection system can optically characterize a sample. An objective lens, which can be a single lens or a combination of separate illumination and collection lenses, can have a pupil. The objective lens can deliver incident light to the sample through an annular illumination region of the pupil, and can collect scattered light returning from the sample to form collected light. Confocal optics can be positioned to receive the collected light. A detector can be configured with the confocal optics so that the detector generates signals from light received from a specified depth at or below a surface of the sample and rejects signals from light received from depths away from the specified depth. An optical element, such as a mask, a reconfigurable panel, or the detector, can define the annular collection region to be non-overlapping with the annular illumination region in the pupil.

Abstract: The microscope device includes an imager, an image processor, and a controller. In a first period, the controller causes excitation light to be emitted and causes the imager to image a fluorescent image from an activated fluorescent substance in a plurality of frame periods. In a second period, the controller causes a fiducial marker to be irradiated with auxiliary light and causes the imager to image a fluorescent image from the fiducial marker, causes irradiation with the excitation light in the second period to stop or causes the intensity thereof to be reduced to be lower than that in the first period, and causes irradiation with the auxiliary light in the first period to stop or causes the intensity thereof to be reduced to be lower than that in the second period. The image processor uses an imaging result obtained in the second period to correct at least a part of an imaging result obtained in the first period and uses at least a part of the corrected imaging result to generate one image.

Abstract: A microscope apparatus includes an illumination optical system that emits activating light and exciting light, an image capturing unit that captures an image formed by an imaging optical system, an image processing unit that carries out image processing using an image capturing result from the image capturing unit, and a controller . The controller provides a plurality of image generation periods and interrupt periods; causes, in the image generation periods, the activated fluorescent material to be irradiated with the exciting light and causes the image capturing unit to capture an image of the fluorescent light from the activated fluorescent material in a plurality of frame periods; and sets an intensity of the exciting light in the interrupt periods to be lower than an intensity in the image generation periods or causes the emission of the exciting light to stop in the interrupt periods.

Abstract: An observation optical system has an objective system and an eyepiece system in the order from the object side. The objective system includes, in the order from the object side, a first group having a positive power, a second group having a positive power, and a third group having a negative power. The objective system has an inverting optical system. The eyepiece system includes, in the order from the object side, a fourth group having a positive power and a fifth group having a positive power. The third group and the fourth group move in directions separating from each other along an optical axis to thereby perform variable power from a low magnification to a high magnification, and also the following conditional expression is satisfied: 0.28<H×L/f?0.55 ??(1).

Abstract: A system and method for a variable working distance microscope is disclosed. The variable working distance microscope includes an eyepiece; a binocular system optically coupled to the eyepiece; a stereo zoom system optically coupled to the eyepiece and the binocular system; and a variable working distance lens system optically coupled to the eyepiece, the stereo zoom system, and the binocular system. The variable working distance lens system includes a first lens; a second lens positioned in series with the first lens; and a movable third lens positioned in series between the first and second lenses, the movable third lens configured such that a change in a distance between the moveable third lens and the first lens changes a working distance of a microscope.

Abstract: The oblique-viewing objective optical system includes a front-side lens group having a negative refractive power, an optical path converting element, an aperture stop, and a rear-side lens group having a positive refractive power. The front-side lens group includes a first lens and a second lens, and the rear-side lens group includes a third lens and a cemented lens which includes a positive biconvex lens and a meniscus-shape negative lens. The first lens is a negative lens having a concave surface directed toward an image-plane side, and the second lens is a single lens having a convex surface directed toward the image-plane side or a cemented lens, and the third lens is a positive lens. The following conditional expressions (1) to (3) are satisfied: 1.6<D1/f<4.7 ??(1), 1.0<D2/f<3.3 ??(2), and 9.0<L/f<31.0 ??(3).

Abstract: A spectrally encoded endoscopic probe. The probe has a light guiding component, a light focusing component, and a grating component. The probe is configured such that a set of light beams of multiple wavelengths are diffracted by the grating component in different orders at substantially the same angle. The set of light beams includes at least 3 light beams. Each light beam among the set of light beams is associated with a different wavelength.

Abstract: A variable power optical system for an endoscope comprising a first lens group having a negative power, a second lens group having a positive power and a third lens group, and wherein the first lens group includes at least a negative lens having a concave surface pointing to an image side and a positive meniscus lens having a concave surface pointing to an object side, the second lens group includes at least a meniscus lens having a convex surface pointing to the object side and a cemented lens formed by cementing together a negative lens and a positive lens, and the third lens group includes at least a positive lens having a convex surface pointing to the object side, and wherein the variable power optical system for an endoscope is configured to satisfy a predetermined condition.

Abstract: Disclosed are: a practical color changeable optical filter that can change hue or saturation by a relatively simple structure, the color changeable optical filter including two or more polarizers 20, 30 containing a dichroism pigment and a frame 10 that supports the polarizers 20, 30, wherein a polarization plane of light incident on at least one polarizer 30 or a polarization plane of light output from at least one polarizer 20 is rotated relatively, whereby the hue or saturation of light passing through the optical filter is changed; and eyeglasses provided with the color changeable optical filter.

Abstract: The present disclosure generally relates to frustrated cube assemblies having a first prism having a first surface, a second surface, and a first hypotenuse, and a second prism having a third surface, a fourth surface, and a second hypotenuse. The first and second hypotenuses face one another and are separated by an air gap. The frustrated cube assembly may include a tilted mirror adjacent the second surface. The second surface may be a reflective diffraction grating. Light is reflected to a digital micromirror device (DMD) adjacent to the frustrated cube assembly at a normal incidence angle and through an image projection system along a single optical axis. The direction of light incident on the DMD is such that light reflected from an “on” mirror is directed along the normal to the DMD surface and at 45 degrees to the hypotenuses. The input and output light beams are parallel.

Abstract: A mechanical component having an adjustable part and a magnetic actuator device having at least one first permanent-magnetic element, which is able to be set into a first adjustment motion, whereby the adjustable part is able to be set into a first co-adjustment motion about a first axis of rotation, and wherein the magnetic actuator device includes at least one first external permanent magnet, which induces a first magnetic field and is able to be set into a first excitation motion such that the at least one first permanent-magnetic element is able to be set into the first adjustment motion. A production method for a mechanical component and a method for adjusting an adjustable part at least about a first axis of rotation in relation to its support, are also described.

Abstract: Disclosed is scanning micromirror including a substrate, an outer gimbal connected to the substrate and including an outer coil, an inner gimbal connected to the outer gimbal and including an inner coil, a mirror connected to the inner gimbal and having a reflective face formed on one side, and a magnetic assembly disposed below the substrate, wherein a spring including a plurality of strings is provided between the inner gimbal and the mirror, the plurality of strings being symmetrical to one another with respect to a longitudinal axis of the spring.

Abstract: A rotating polygonal mirror has deflection faces for deflecting a light beam. A motor drives the polygonal mirror. A first detection unit outputs a first signal by detecting a light beam. A second detection unit outputs a second signal whose period is different from a period of the first signal, by detecting magnetic flux change. A specifying unit obtains a phase relationship between the first signal and the second signal, and specifies a deflection face. A storage unit stores setting information for setting whether to use rising or falling of the second signal to specify the phase relationship. The specifying unit determines whether to use rising or falling of the second signal in order to obtain the phase relationship.

Abstract: A heater system for resisting fog and ice buildup on advanced driver assistance cameras provides a chamber covering the camera lens and providing a transparent window through which the camera lens may be directed. A heating element communicates with an air gap between the lens and the transparent window and the periphery of the transparent window to provide heating of the transparent window without blocking an image received by the camera lens.

Abstract: A display device includes: an optical member that guides incident image light; a frame member that includes an opening in which a part of the optical member is inserted and holds the optical member; and a water repellent layer that is located between the optical member and an inner surface of the opening.

Abstract: A beamsplitter includes an optical substrate with a first surface configured to receive a beam of multi-spectral light, to reflect a first band of the multi-spectral light and to transmit a second band of the multi-spectral light through the optical substrate to be emitted from a second surface of the optical substrate opposite the first surface. The second surface is a freeform surface. A system includes a telescope configured to focus multi-spectral light into a beam. The system also includes a beamsplitter as described above optically coupled to the telescope so the first surface of the beamsplitter is configured to receive the beam of multi-spectral light from the telescope.

Abstract: The present disclosure provides a display device and a display system. The display device includes a head-up display and a light shielding plate arranged at a light-exiting surface side of the head-up display. The head-up display is configured to display an image, and send information about a shape and a location of the image to the light shielding plate; the light shielding plate is configured to receive the information about the shape and the location of the image, and provide a light transmitting region having a shape and a location identical to those of the image according to the information.

Abstract: A laminated glass includes first and second glass plates to be arranged on a vehicle inner side and outer side, respectively; and an intermediate film positioned between the first and second glass plates and bonded to the glass plates. The laminated glass includes a first region, a transition region, and a second region, from a lower side of the laminated glass. Each of the first and second regions includes a region having a wedge-shaped cross section, in which an upper edge side thickness is greater than a lower edge side thickness, or having a thickness that is constant. The transition region connects the first and second regions, and includes a region having a wedge-shaped cross section, in which an upper edge side thickness is greater than a lower edge side thickness. At least one of the first and second regions includes a region used for a head up display.

Abstract: Head-up display, which is mounted on a vehicle, performs projection on a transparent reflective member, and allows an observer to visually recognize a virtual image, includes display device that displays an image, and a projection optical system that has refractive optical system and projects displayed image displayed by display device on eye box of the observer. As an angle formed between a vector of a light beam that is incident on refractive optical system and a vector of an output light beam, the angle is greater at a light beam on an image end passing through a vehicle inner side of refractive optical system than at a light beam on an image end passing through a vehicle outer side of refractive optical system.

Abstract: New visual control systems are provided that implement a new form of mediated reality, known as shifted-reality. In some embodiments, a matrix of specialized pixels creates redirected light with a plurality of angle-alterable, shiftable sources, which aids in creating virtual, 3-D objects of greater realism than conventional 3-D imaging methods, and aids in reducing the appearance of other objects or conditions. In these aspects, existing images and objects viewed through a screen may be shifted in perspective for an observer, and enhanced and overlaid with effects and demonstrative information related to viewable objects and a surrounding environment. In other aspects of the invention, the system builds and accesses an object structure and materials library, based on observation with a specialized group of sensors. Preferably, one observation sensor is non-visual (e.g., ultrasound), but observes an environment in a mappably-related perspective as a visual sensor.

Abstract: A head-up display device includes a housing, a projection unit projecting light representing an image, and an optical unit leading the light projected from the projection unit to a windshield of a vehicle. The optical unit includes a magnifying optical unit attached to the housing and reflecting the light toward the windshield, a screen attached to the housing and reflecting or transmitting the light toward the magnifying optical unit, and an incident angle changing unit changing an incident angle of the light that goes incident on the screen.

Abstract: A HUD device mounted on a moving body that projects an image on a projection member to virtually display the image includes a projector, a reflector mirror, a stepper motor, a reduction gear mechanism that reduces rotation which is output from the stepper motor and transmitted to the reflector mirror, and a controller that calculates a control step angle for the stepper motor. The controller, when an output direction of the motor according to the control instruction at this determination is the opposite direction as a direction of the rotation of the last time, adds a reverse step angle of the opposite direction, which is equal to or greater than a sum of a reference step angle and a backlash angle of the reduction gear mechanism, to the control step angle.

Abstract: Described is a detection device, a head-up display (HUD) and a method for operating a HUD. The detection device, the HUD and the method for operating an HUD are designed to protect an imager of the HUD from damage by incident radiation and to avoid or at least significantly reduce a glare effect of the HUD. The detection device comprises an optical element with a reflecting area and a passband, where the optical transparency of the passband is greater than the optical transparency of the reflecting area. The passband is completely enclosed by the reflecting area, the surface of the passband is smaller than the surface of the reflecting area, and the detection device is optically coupled to the passband. The detection device determines the intensity of a radiation incident on the detection device.

Abstract: The present disclosure provides an electronic device including a device body being maintained at a preset position relative to an eye of a user. The device body further includes: a display unit for emitting light corresponding to a display content; and a lens group having a side surface facing the display unit. The light emitted from the display unit is reflected by the side surface to be incident on the eye of the user.

Abstract: A virtual reality hat is a baseball style cap that functions as a virtual reality headset having a double brim that hinges at the attachment point of the crown and the bottom brim portion is able to hinge downward exposing a cell phone holder and a lens that function together to provide virtual reality to the wearer when desired. The brims collapse together in an instant to conceal the virtual reality headset.

Abstract: A head-mounted perfume dispenser apparatus includes a processor which plays a moving image, a box, in which a container containing a perfume is received, a reservoir which is filled with the perfume received from the box and emits the perfume according to a start of playing the moving image, a tubular vent hole which vents the emitted perfume toward a nose of a user when the user wears the head-mounted perfume dispenser apparatus, and a first opener-closer provided between the box and the reservoir. The first opener-closer opens and closes according to the start and an end of the moving image played by the processor. The reservoir has a second opener-closer provided at an upper portion of the reservoir. The second opener-closer opens according to the end of the moving image played by the processor.

Abstract: [Object] To provide a display apparatus capable of obtaining excellent heat radiation performance of a light source while ensuring positional accuracy of the light source. [Solving Means] A display apparatus according to an embodiment of the present technology includes a light guide portion, a casing, a projection portion, a heat source, and a heat-transfer member. The light guide portion is disposed in front of eyes of a user. The casing is fixed to the light guide portion. The projection portion is housed in the casing and is configured to be capable of projecting an image to the light guide portion. The heat-transfer member includes a first end and a second end, the first end being connected to the heat source, the second end being connected to an inner surface of the casing, and is configured to be deformable.