Abstract: An imaging device has a lens group; a lens barrel for holding the lens group; a base member for holding the lens barrel; an imaging element; a securing plate that faces at least a portion of the base member in a state wherein the imaging element is secured; and a coil spring for pressing the lens barrel to produce a state wherein a male threaded portion of the lens barrel is pressed against a female threaded portion of the base member.

Abstract: A lens holder driving device is provided with a lens holder, a securing part including a base member, a drive mechanism, and a position detection unit. The drive mechanism includes a yoke that is provided to stand on the base member. The position detection unit includes a sensor magnet mounted to the outer peripheral surface of the lens holder, and a magnetic detection element provided in the securing part. The yoke is provided with a tube-shaped external cylinder part, and the external cylinder part includes a plurality of plate sections each having a cutout section. The lens holder driving device includes a foreign matter entry prevention member that prevents foreign matter from getting inside from the cutout sections of the plate sections.

Abstract: An integrated sample analysis system is disclosed. The sample analysis system contains (1) a sample preparation/analysis module having sample purification device comprising a monolith that binds specifically to nucleic acids and a sample analysis device comprising a microarray enclosed in a reaction chamber having a hydrophilic interior surface; (2) a temperature control module comprising a thermocycler having a thermally conductive temperature-control bladder; and (3) an imaging device capable of capturing an image of the microarray in the reaction chamber.

Abstract: A camera module may comprise: a printed circuit board on which an image sensor is mounted; a holder member disposed above the printed circuit board and having a plurality of magnets installed thereon; a bobbin installed on the inside of the holder member to be capable of moving along an optical axis, and having a coil unit installed on the outer peripheral surface thereof to be capable of electrically interacting with the magnets; a plurality of receptacles formed in the peripheral surface of the bobbin to form spaces that are separated from the coil unit; and a cover member having a plurality of integrally formed inner yokes, which are formed at positions corresponding to the plurality of receptacles and have a surface on one side thereof separated a certain distance from the coil unit and a surface on the other side thereof separated a certain distance from the bobbin.

Abstract: Various embodiments of the present disclosure may include an imaging system that includes a de-icing assembly. The de-icing assembly may include a de-icing window and a window frame. The de-icing window may be constructed from Float Zone Silicon, single crystal sapphire, and/or germanium. The de-icing assembly may be coupled to a lens barrel of a camera. Heat generated by a heater element of the camera may be conducted via the housing and the lens barrel of the camera to the de-icing assembly. The heated de-icing assembly may prevent the formation of ice on the de-icing window by conducting heat to the de-icing window.

Abstract: A particle measuring apparatus includes a flow cell configured to flow a specimen, a first light source configured to emit light having a first wavelength, and a second light source configured to emit light having a second wavelength different from the first wavelength. An irradiation optical system is configured to irradiate the flow cell with light emitted from the first light source and the second light source. The irradiation optical system includes a dichroic mirror configured to transmit the light emitted from the first light source and reflect the light emitted from the second light source, and a light collecting lens configured to collect the light emitted from the first and second light sources and passed through the dichroic mirror at the flow cell. The second light source and the dichroic mirror are turnable about rotation axis that are orthogonal to one another.

Abstract: The light projection assemblies and opacity monitors described in this specification have an integrating sphere with an input aperture, an output aperture, and a spherical-shaped internal chamber. An LED source is located external to the chamber at the input aperture. A light baffle is located within the chamber at the output aperture. A condenser lens is located external to the chamber at the output aperture.

Abstract: A VCM (voice coil motor) is disclosed, the VCM including: a rotor including a cylindrical bobbin for accommodating a lens and protruded at a bottom end with a boss, and a coil block arranged at a periphery of the bobbin; a stator including a magnet facing the coil block and a yoke fixing the magnet; and an elastic member including a first elastic member formed with a through hole coupled to the boss of the bobbin and a second elastic member coupled to an upper end facing the bottom end of the bobbin; wherein the boss is formed with a disengagement prevention unit preventing the first elastic member from being disengaged from the boss, and the first elastic member is formed with a coupling unit contacting a joint where the disengagement prevention unit and the coupling unit meet.

Abstract: A device comprising at least two body sections is disclosed. The first body section comprises an imaging unit and a magnet movably connected to the imaging unit, and the second body section comprising an optical unit with a magnet fixed to the optical unit. The magnet movably connected to the imaging unit may be sliding along a guiding element. The body sections are also in a movable connection with each other, and the device is operable in at least two modes. In the first mode the imaging unit and the optical unit are fixed in a set relative position due to magnetic interaction between the magnets, and in the imaging unit is positioned away from the optical unit. In the second mode the units are positioned apart from each other.

Abstract: Advantageous collar grips are provided to secure a grip on a camera lens ring, such as the focusing, zooming, or aperture control rings. A collar grip of a pliable and stretchable material can be placed around the lens ring to allow improved manipulation and thereby more accurate manipulation of the lens. Extended surface features on the collar grip can secure it to the lens ring and ensure an accurate grasp. The collar grip also provides increased diameter to the focusing ring, which can further aid in more accurate focusing ability.

Abstract: A super resolution bore imaging system is disclosed for imaging a cylindrical bore. The system includes a controller, a photodetector configuration having a known pixel geometry, and an imaging arrangement that images bore surface segments onto the photodetector. In one embodiment, the controller is configured to acquire respective combinable sets of raw bore segment image data using the pixels of the photodetector configuration positioned, relative to the bore segment, at respective imaging-Z coordinates which are separated along the bore axial direction by a subpixel shift. In some embodiments, the pixel geometry is configured to provide super resolution along the circumferential direction without a change in position along the circumferential direction between acquiring the respective sets of image data. The controller combines the sets of raw image data to form a super resolution image data for the bore segment.

Abstract: An image pickup apparatus includes: a lens frame internally holding a movable lens, and including a magnet provided on an outer circumferential surface; a holding frame; and a magnetic member, in which the magnet includes a plurality of magnet pairs provided at uniform angles in a circumferential direction of the lens frame, each of the magnet pairs including magnets that are respectively disposed on distal end side and proximal end side along the optical axis direction of the movable lens, the magnet disposed on the distal end side has a polarity opposite in the radial direction to a polarity of the magnet disposed on the proximal end side, and the magnetic member is provided to face the magnets that configure one of the plurality of magnet pairs.

Abstract: A camera module of an electronic device includes a lens unit with a first coil, a vibration unit with a second coil, and a magnetic unit. The vibration unit is positioned outside the lens unit and spaces a first certain distance with the lens unit. The magnetic unit is positioned outside the vibration unit and spaces a second distance with the vibration unit. When the first coil receives electrical signal, the first coil is actuated to move with the lens unit. When the second coil receives electrical signal, the second coil is actuated to move with the vibration unit with the vibration unit. Therefore, the magnetic blocks are cooperated with the lens assembly and the vibration block, to make an automatic focusing function and a vibration function being combined in the camera module.

Abstract: A mirror device may include: an optical element configured to reflect part of a laser beam and transmit the other part of the laser beam therethrough; and a holder in surface contact with the optical element to hold the optical element. A flatness of a contact surface of the holder in contact with the optical element may be equal to or smaller than a flatness of the optical element.

Abstract: The present invention provides a lens driving apparatus including: a driving coil for driving a lens holder; and a leaf spring configured to absorb an impact on the lens holder; wherein the driving coil is electrically connected to the leaf spring, and a particularly bent portion and a recess for accommodating the bent portion are provided at a joint where the driving coil and the leaf spring are connected so as to improve the mechanical stability of the apparatus.

Abstract: A moving-magnet type pickup cartridge is disclosed, which includes a cantilever, a stylus chip attached to a front end part in a longitudinal direction of the cantilever, a damper disposed at a base end part in the longitudinal direction of the cantilever and configured to support the cantilever in a swingable manner, a magnet disposed in the longitudinal direction of the cantilever and immediately above the stylus chip at the front end part of the cantilever, and configured to vibrate with vibration of the stylus chip, and a yoke formed in a U-shape, having generating coils being wound thereon, and having magnetic poles at both leg parts thereof being disposed to face the magnet. With this configuration, there is provided a moving-magnet type pickup cartridge enables not only to ensure a large output signal but also to obtain a faithfully reproduced sound with little distortion.

Abstract: An optical guide system is provided for guiding an optical lens along an optical axis of the guide system. The optical guide system has a guide housing for accommodating a guide carriage, wherein an inner guide surface thereof extends along the optical axis. The guide carriage is arranged within the guide housing, movably between a start position and an end position and suitably to secure the at least one optical lens. The guide carriage also has a sliding element which is in contact with the inner guide surface of the guide housing and which enables sliding of the guide carriage. The optical guide system also has a suspension element which is connected to the guide carriage and by means of which the guide carriage is mechanically coupled to a drive.

Abstract: A system for determining lens position includes a first sensor component disposed on a stationary housing of a camera. A second sensor component is disposed on a rotating lens component of the camera. A processor is operatively connected to the first and second sensory components to identify the position of the rotating lens component of the camera based on an angle between the first and second sensor components.

Abstract: A voice coil motor (VCM) includes a fastening portion, a moving portion, a magnet assembly, a coil, an elastic sheet, and glue. The lower plate seals the fastening portion. The lower plate includes a first surface and a second surface opposite to the first surface, the lower plate defines a through hole penetrating the first surface and the second surface, the low plate defines a first glue recess around the through hole and a second glue recess along an edge of the low plate in the first surface. The fastening portion is positioned on the first surface of the lower plate via glue received in the first glue recess.

Abstract: Techniques and structures to facilitate efficient replacement of windows/domes of optical systems, such as turreted pointer/tracker systems and seekers and other such gimbal-based or fixed targeting systems. The techniques can be implemented, for example, in a mounting ring or bezel, wherein the dome/window center of curvature is actively aligned during assembly to a reference feature on a mounting bezel during the dome-to-bezel alignment. This reference feature then mechanically registers the dome-bezel assembly to a given chassis. In some embodiments, the techniques allow for positioning of a replacement window/dome on an optical lens system, such that co-boresight of multiple beam paths is automatically maintained.

Abstract: An imaging device is described having an electro-mechanical image stabilization system capable of removing the effect on a generated image of vibration and angular movement of the device. The system includes a mechanical coupling interposed between the optics and the drive electronics of the device. The coupling ensures that movement generated by vibration is translated into linear movement of the optics and the drive electronics relative to each other.

Abstract: Rotating construction laser device with a grade mechanism, including a code element and a position detection device for providing and detecting a feedback position information, and a leveling mechanism, which supports a lens barrel tiltably and is designed to tilt the lens barrel in order to have the level position detected by a tilt sensor and therewith to level the grade arm, the code element or the position detection device is arranged directly on the grade arm, and the feedback position information directly depends on the position of a reference point on the grade arm, the reference point being defined by the code element or the position detection device, respectively, thus allowing to deduce a position of the grade arm directly from the feedback position information, and/or to calculate a tilting angle of the grade arm with respect to the lens barrel directly from the feedback position information.

Abstract: An image analysis system and method are provided. The system can include a base for receiving an optical surface, at least one light source positioned above and at an oblique angle with respect to the optical surface, a camera positioned above the optical surface and adapted to provide an image data indicative of an image of the optical surface, and a computerized system adapted to receive the image data from the camera. The computerized system can analyze the image data to identify and quantify surface defects. Classification identifiers can be assigned to each surface defect based on the physical characteristics of the surface defect. A transmission metric is calculated for the optical surface to allow objective judgment of the surface.

Abstract: A lens barrel has a rotary frame, lens group frame, and shutter frame. The rotary frame has first and second cam grooves respectively on inner and outer peripheries as viewed in a radial direction. A first cam follower of the lens group frame and a second cam follower of the shutter frame are respectively engaged with the first and second grooves. A radial direction size the rotary frame is smaller than a sum of depths of the first and second grooves. The rotary frame includes a first region W1 only with the first groove, a region W0 with first and second grooves, and a region W2 only with the second groove. Positions of the first and second followers differ in a circumferential direction. At least one of the first and second followers has a non-contact portion not contacting with a groove wall of the corresponding groove in the region W0.

Abstract: Disclosed is an adjustable attaching lens device comprising a lens holding member including a flexible confining strip and an adjustable fastener that is for adjusting a fastening position of the flexible confining strip, wherein the flexible confining strip is bent to confine a lens attaching hole with a given size and a given shape for holding an optical lens; and an attaching member, provided on the lens holding member in a manner that the attaching member is facing toward the same side of the lens attaching hole, for attaching with an attaching surface so that the lens attaching hole corresponds to an optical image grabbing element of an external device. The various kinds of detachable lenses are applied to an electric device with lens, and thus the detachable lens compatible to a specific electric device can be used for a different device.

Abstract: A displacement mechanism, a lens module using the same and a device using the same are provided. The displacement mechanism of lens module comprises a base, a first element and a second element. The first element is disposed on the base, wherein the first element is immovably disposed relative to the base along a first direction and movably disposed relative to the base the base along a second direction. The second element is disposed on the base, wherein the second element is movably disposed relative to the first element along the first direction and movably disposed relative to the base along the first direction and the second direction.

Abstract: An adjustable lens includes a first lens member having a first corrugated surface, a second lens member having a second corrugated surface, and blackout regions disposed between the first and second corrugated surfaces. The first corrugated surface includes a periodic structure of alternating ridge and groove sections. The second corrugated surface includes a periodic structure of alternating ridge and groove sections. The blackout regions are positioned to block image light passing through either the ridge sections of the first lens member, or alternatively, the groove sections of the first lens member.

Abstract: A lens position adjustment apparatus includes: a transmission unit that is displaced in a first direction oriented from one end point toward the other end point or a second direction oriented from the other endpoint toward the one endpoint to transmit power of a drive source; a conversion unit that moves a lens by using the power supplied from the transmission unit; a drive control unit that controls the drive source; a position detection unit that detects a current position of the transmission unit; and a storage unit that stores a registered position and a registered direction, wherein the drive control unit controls the drive source in such a way that a final displacement direction is the second direction in case that the registered position is within a predetermined amount of displacement from the one end point, and that the final displacement direction is the registered direction otherwise.

Abstract: Embodiments of the invention provide an apparatus for driving a voice coil motor actuator providing a driving signal to a coil for controlling a position of a lens barrel in which a magnet is equipped. The apparatus includes a plurality of hall sensors configured to detect the position of the lens barrel in which the magnet is equipped, and a voice coil motor driving integrated circuit configured to provide the driving signal to the coil based on outputs from the plurality of hall sensors and a received target position. The plurality of hall sensors are embedded in the voice coil motor driving integrated circuit along a moving direction of the magnet.

Abstract: In one embodiment, an electrostatic actuator includes a generally planar fixed frame, a generally planar moving frame coupled to the fixed frame by a flexure for substantially coplanar, perpendicular movement relative to the fixed frame, a plurality of interdigitated teeth, a fixed portion of which is attached to the fixed frame and a moving portion of which is attached to the moving frame, and an elongated output shaft having opposite input and output ends, the input end being coupled to the moving frame.

Abstract: Provided are a lens driving motor and an elastic member of the lens driving motor. The elastic member of a lens driving motor, the elastic member includes a first spring and a second spring. The second spring is different from the first spring and disposed together with the first spring on one side of a carrier to support the carrier. A first lead line of a coil and a first external power source are connected to the first spring, and a second lead line of the coil and a second external power source are connected to the second spring to supply power to the coil. Since the carrier can be assembled to other part after a (+) lead line and a (?) lead line of the coil are connected to the first and second springs, respectively, using solder, a process is simple and convenient.

Abstract: A system or device for concentrating the light radiation of the type to be used for converting the solar radiation into electric current and/or thermal energy is disclosed. The device mainly having a primary optics apt to be exposed to the solar radiation and to allow the passage thereof therethrough, the primary optics being positioned on a hollow spacer member, which is perfectly aligned and at the same time locked, by means of a joint member.

Abstract: The present disclosure provides a telecentric optical assembly comprising a first portion of a telecentric optical link including a first kinematic mount having alignment structures, where the first kinematic mount can be attached to a first substrate having a first array of active optical elements; and a second portion of the telecentric optical link including a second kinematic mount having recesses configured to mate with the alignment structures, where the second kinematic mount can be attached to a second substrate having a second array of active optical elements. Additionally, the first and second kinematic mounts, when mated, can align optical beams between the first array of active optical elements and the second array of active optical elements.

Abstract: A lens barrel includes lens groups, lens retaining frames retaining the lens groups, respectively, between a collapsed state and a photographic state are moved toward an object side, a movable cylinder retaining the plurality of lens retaining frames therewithin, and a driving mechanism to move the lens retaining frames.

Abstract: An optical device comprising: an elastic body provided between a first frame and a second frame; a position determining portion provided to sandwich, with the elastic body, the first frame, and can determine a position of the first frame towards the elastic body; a fixing portion provided to sandwich, with the position determining portion, the first frame, and can fix the first frame to the position determining portion; and an energizing member energizing the first frame in a direction crossing a position determining direction of the first frame and a fixing direction of the first frame.

Abstract: A lens unit according to the present invention includes: a first lens group and a second lens group being disposed in series on the same optical axis to have a light-converging function, the first lens group and the second lens group each including at least one lens; a first lens barrel 1 retaining the first lens group; a second lens barrel 2 retaining the second lens group and encasing at least a portion of the first lens barrel; and an adjustment mechanism for adjusting relative positioning along an optical axis direction, tilt between respective optical axes, and mutual radial deviation, of the first lens barrel and the second lens barrel.

Abstract: A lens module includes a housing; a lens barrel mounted in the housing; and an actuator unit including an actuator to move the lens barrel. The actuator unit has a coupling area on one end for coupling to the housing, and an adjustment portion on another end for adjusting a tilt of the lens barrel formed.

Abstract: The zoom lens includes a front unit including a first positive lens unit and a second positive or negative lens unit, a reflective mirror and a rear unit including two or more lens units. During zooming, the reflective mirror is not moved, and the first lens unit and at least two lens units of the rear unit are moved. When the zoom lens is retracted into a body of an image pickup apparatus, at least one of rotation of the reflective mirror such that a normal line thereto is brought closer to parallel to an optical axis of the rear unit and axial movement thereof in a direction of the optical axis of the rear unit is performed. The front unit is moved into a space formed by the at least one of the rotation and the axial movement. Conditions of 10.5<ft/|fn|<30.0 and 0.80<(Lf?L)/Lm<1.30 are satisfied.

Abstract: An optical device includes a soft polymer film having a first and second surface. A first compliant electrode is connected to the first surface and a second compliant electrode is connected to the second surface. A rigid optical element is connected on the first and/or second surface or integrated into the polymer film.

Abstract: A lens barrel includes: a lens frame including at least one lens; a lens adjusting frame to which the lens frame is attached; and a fixed frame to which the lens adjusting frame is attached. The lens adjusting frame is attached to the fixed frame such that a position or a tilt angle of the lens adjusting frame is adjustable. The lens frame is attached to the lens adjusting frame such that the lens frame is detachable from the lens adjusting frame.

Abstract: A method for manufacturing camera modules for use in portable electronic devices, such as mobile phones, is provided. More specifically, in camera modules utilizing lens motion type auto focus actuation, permanent magnets associated with voice coil motors utilized in the auto focus system, generate magnetic flux that can interfere with the process of bonding image sensors to camera modules if the permanent magnets of different voice coil motors are positioned too closely. Incorporating a magnetic shield into the manufacturing process to restrain or control the magnetic flux generated by the permanent magnets permits voice coil motors to be positioned closer together during the manufacturing process. This increases manufacturing throughput and reduces cost.

Abstract: An eyeglass support is adapted for pinch-holding the eyeglass (5) between three first contact portions (41-43) and three second contact portions (61-63). The first contact portions form a height reference for positioning the eyeglass whereas the second contact portions ensure application of the eyeglass against the first contact portions while conforming to any possible shape for the eyeglass. The support suits for being incorporated in a reflection measurement apparatus. In particular, it is useful for measuring reflection of eyeglasses provided with antireflecting coatings or for rating a protection against UV hazards which is provided by an eyeglass to a wearer of the eyeglass.

Abstract: A lens device according to an embodiment of the presently disclosed subject matter includes a first frame body where a first screw is formed, a second frame body where a second screw that can be screwed to the first screw is formed, the second frame body having a predetermined area of an outer perimeter where asperities are formed, an extender lens including a front optical system supported by the first frame body and a rear optical system supported by the second frame body, and a cylinder accommodating the first and second frame bodies and having formed thereon an opening for engaging a stick-shaped member inserted from the opening with the asperities from a diagonal direction when the first frame body is inserted in an optical axis.

Abstract: The rack includes a first member having a first tooth engaged with a lead screw, a second member having a second tooth engaged with the lead screw, a third member having a third tooth engageable with the lead screw, a first forcing unit configured to apply a force between the first and second members, a second forcing unit configured to apply a force between the first member and third members, and a limiter configured to limit a distance between the third tooth and the lead screw so that the third tooth is separated from the lead screw when the first and second teeth are engaged with the lead screw by the force applied by the first forcing unit and a distance between the first tooth and the third tooth is smaller than an outer diameter of the lead screw.

Abstract: A drive device includes a moving body having a driven portion with an engagement holding portion and an insertion portion, and an element holding portion holding an optical element; a piezoelectric driver having a piezoelectric element and a drive axis that moves the moving body while being inserted into the insertion portion; and a leaf spring being inserted into the insertion portion, being held by the moving body and urging the drive axis to the driven portion in a pressing direction. In a state in which the leaf spring is inserted into the insertion portion, the leaf spring is elastically deformed in the insertion portion by inserting the drive axis which is inserted into the insertion portion, and the drive axis is pressed against the driven portion by the leaf spring, while the leaf spring is engaged with the engagement holding portion and held by the moving body.

Abstract: An optical instrument with temperature-related focal length variations compensation mechanism is provided herein. The optical instrument includes: a housing within a bore of the optical instrument, wherein the bore and the housing have each a distal end and a proximal end; a set of lenses located on a common optical axis and affixed within the housing, wherein the set of lenses is associated with a specified focal length for each specified temperature; and a temperature compensation member connecting the distal end of the housing to the distal end of the bore of the optical instrument, wherein the temperature compensation member comprises one or more sections whose thermal expansion coefficient and length along the optical axis are selected such that for a specified range of temperatures, the expansion of the temperature compensation member along the optical axis compensates for a change of the focal length of the lenses.

Abstract: Techniques are disclosed for fabricating optical instrumentation. The techniques can be used, for instance, to populate an optical bench with several optics that can be simultaneously bonded and simultaneously verified to precise assembly, and without the use of adjustable mounts or active alignment. The techniques may be embodied, for instance, in a jig designed for operatively coupling to a given optical bench. The jig includes cut-outs that identify placement locations for the various optical components on the underlying optical bench. Thus, once the jig is secured to the optical bench, precise placement of the optical components is simplified. In some such embodiments, the jig further includes a clamping assembly for each cut-out, so that once an optical component is placed on the optical bench via that cutout, the clamping assembly can be engaged to hold that optical component in place while a deposited bonding agent is cured.

Abstract: Adjustable mount assembly having two mount parts which are adjustable relative to one another and which themselves form adjustable mounts respectively comprising an outer mount frame and an inner mount frame. The mount assembly permits a highly precise adjustment of two optical components relative to one another in a plane perpendicular to an axis and an adjustment of the two mutually adjusted optical components relative to a reference base.

Abstract: A laser welding apparatus includes a laser welding unit including a first lens adapted to focus a laser beam; a second lens adapted to diffuse the laser beam to the first lens; and a third lens adapted to guide the laser beam to the second lens. The relative positions of the first lens, the second lens, and the third lens, are adjusted to adjust a diffusion angle and a beam width of the laser beam entering the first lens. The laser welding apparatus performs: actuating the laser welding unit to travel at a predetermined speed along a predetermined trajectory; directing the laser beam at a first welding spot; adjusting the focal length to focus the laser beam at the first welding spot; holding the laser focal spot size substantially constant; and directing the laser beam at a second welding spot after completion of welding for the first welding spot.

Abstract: A two-axis, optical mount provides two flexural elements monolithically and homogeneously formed of a single material with, and interconnecting, three rigid segments. Between each pair of rigid segments, beginning with the first and second, a set of extensions is formed to have a cross section that permits simple, easy, independent adjustment therebetween. Likewise, a flexural element exists between the second and third rigid elements. Meanwhile, the rigid elements have section moduli sufficiently great as to be orders of magnitude larger than the flexural stiffness or section modulus of the flexural elements, thus providing flexures that operate in the elastic mode and introduce no joint type accuracy errors in adjustment.