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39results about How to "Assembly tolerance" patented technology

Compact confocal dental scanning apparatus

Described herein are apparatuses and methods for confocal 3D scanning. The apparatus can comprise a spatial pattern disposed on a transparent base and a light source configured to provide illumination to the spatial pattern and an optical system comprising projection / imaging optics having one or more lenses and an optical axis. The projecting / imaging optics may be scanned to provide depth scanning by moving along the optical axis.
Owner:ALIGN TECH

Small form factor modules using wafer level optics with bottom cavity and flip-chip assembly

A disclosed method of manufacturing a camera module includes providing a stack of optical elements, providing an integrated circuit image capture device (ICD) having a top surface with an array of sensors, rigidly attaching the stack of optical elements to top surface of the image capture device, providing a substrate having an opening therethrough and a recess around said opening, and attaching the image capture device to the substrate such that edges of the image capture device are disposed in the recess and the stack of optical elements extends through the opening. The method further includes providing a second substrate (e.g., host PCB) and mounting the substrate on the second substrate to attach the camera module to the host device. Optionally, the substrate is mounted to the second substrate via a reflow solder process.
Owner:NANCHANG O FILM OPTICAL ELECTRONICS TECH CO LTD

Unit for actuating lens, camera module, and optical apparatus

A lens actuating unit is provided. The lens actuating unit includes: a bobbin configured to accommodate a lens module at an inner side of the bobbin; a first coil unit disposed at the bobbin; a housing disposed at an outer side of the bobbin; and a magnet unit configured to move the first coil unit through electromagnetic interaction with the first coil unit, wherein the housing includes a hole formed by being recessed from an inner side to an outer side to accommodate the magnet unit.
Owner:LG INNOTEK CO LTD

Zero backlash planetary gear train

A zero backlash planetary gear train, comprising: a shell, a planetary gear set, and at least a sun gear set. Planetary gear set is disposed in said shell, and includes a planetary arm rack having output axis, such that planetary arm rack in said shell is provided with a plurality of double-layer planetary gears. The planetary gear set includes a first planetary gear and a second planetary gear. A buffer mechanism is provided between first planetary gear and second planetary gear. Said first planetary gear is engaged with at least an internal gear on an inner rim of shell, and second planetary gear is engaged with at least a sun gear set. Sun gear set is provided with a sun gear connected to a driving motor. Said zero backlash planetary gear train is capable of eliminating backlash between gears.
Owner:NATIONAL CHUNG CHENG UNIV

Motor assembly structure

A motor assembly structure including a first bracket and a second bracket which together form a coil unit. The first bracket has a hub integrally extending from the first bracket into the second bracket. The motor assembly structure further includes a silicon steel plate unit fitted around the hub and sandwiched between the first bracket and the second bracket. The first bracket and the hub are integrally formed as a module so that the assembling procedure of the motor assembly structure is facilitated.
Owner:KAI ZHAO TECH

Optical lens head, camera module and assembling method therefor

An optical lens head, an camera module, and an assembling method therefor, wherein the camera module comprises a photosensitive chip (23) and an optical lens head (10); said optical lens head (10) comprises a plurality of optical lenses (111); the assembly position of one of the optical lenses (111) is adjustable; each of the optical lenses (111) is black-lacquered and matte-treated; a connecting portion (1113), a light-beam entrance hole (1114) and a light-shielding portion (1115) are formed on the corresponding optical lenses (111), such that the individual optical lenses (111) can be successively and jointly assembled together, eliminating the need of a spacing ring, a diaphragm, a lens barrel and other structural components used in a conventional camera module, thereby improving manufacture precision, production yield and imaging quality of the camera module.
Owner:NINGBO SUNNY OPOTECH CO LTD

Headlamp mounting structure for automobile

A headlamp unit (30) is mounted between opposite sides of a radiator core support panel (10) in a widthwise direction of a vehicle and a front portion of a front fender. One of a front mounting position of a front portion of the headlamp unit (30) and a rear mounting position of a rear portion of the headlamp unit (30) is provided with a fastening structure (50). The other one of the front mounting position and the rear mounting position is provided with an inserting structure (40) capable of adjusting an inserting amount. The headlamp unit (30) is allowed to slide and move by the fastening structure and / or the inserting structure, thereby making it possible to adjust a mounting position.
Owner:NISSAN MOTOR CO LTD

Flexible cover window having improved visibility

A cover window is provided, and more particularly, a flexible glass-based cover window for a flexible display is provided, the cover window including: a folding part slimmed by corresponding to a folding area of the display, and a boundary part provided on opposite ends of the folding part, the boundary part having a thickness gradually becoming larger from the folding part and continuing to a plane area of the cover window, wherein inclination of the boundary part is 1 to 10° relative to the folding part.
Owner:UTI INC

Connection unit

A connection unit of the present invention includes: a rail member extending in a direction where a plurality of storage elements is aligned; and a plurality of bus bar units each including an engagement portion movable along the rail member in the predetermined direction, and a bus bar fixed to electrode terminals of the storage elements adjacent to each other in the predetermined direction and connected to the engagement portion. The plurality of bus bar units engages with the rail member so as to be aligned in the predetermined direction, and the bus bar units adjacent to each other are provided so as to be movable independently along the predetermined direction. Entire assembly tolerance in the plurality of storage elements aligned in the predetermined direction can be absorbed (permitted) by adjusting distances between the independent bus bar units, thereby making it possible to easily assemble the plurality of bus bars.
Owner:TOYOTA JIDOSHA KK

Bi function LED head lamp using thin shield

Disclosed is a bi function LED head lamp using a thin shield. The lamp includes: a low beam light source and a high beam light source installed at inner upper and lower sides of a reflector; a shield installed at a front end of the partition in the reflector; a lens holder in which the rear is joined to a front surface of the reflector; and a signal reflection surface installed at an inner lower end of the lens holder. The low beam and the high beam are implemented only by turning on and off an LED through applying the thin shield without an actuator.
Owner:HYUNDAI MOBIS CO LTD

Pitch actuator for wind turbine generator, and wind turbine generator

Provided are a pitch actuator for a wind turbine generator and a wind turbine generator that can be prevented from losing their reliability. Provided are a cylinder (12) and a rod (13) that rotate a wind turbine rotor blade about an axis thereof relative to a rotor head to change a pitch angle; a cylinder bearing (14, 15) supporting the cylinder (12) so as to be rotatable relative to the rotor head about a first rotation axis (L1) extending substantially parallel to the axis of the wind turbine rotor blade and about a second rotation axis (L2) extending in a direction crossing both the first rotation axis (L1) and the axis of the cylinder (12) and the rod (13); and a rod bearing (16) rotatably supporting an end of the rod (13) on an end surface of the wind turbine rotor blade.
Owner:MITSUBISHI HEAVY IND LTD

Pickup guiding structure for optical disk drive

An optical pickup guiding structure for an optical disk drive is provided. The optical pickup guiding structure comprises a pickup base with a pickup window formed therein, and an optical pickup that is provided in the pickup window and that includes at least one end movably supported by a molded structure integrally formed on the pickup base. The end of the optical pickup and a molded structure for movably supporting the end of the optical pickup are formed with a guide channel and a guide rib, respectively, which are complementary to each other, thereby guiding the optical pickup. Because the number of parts of the optical disk chive is minimized, and the change in the installation state of the optical pickup is minimized during use, the operational reliability is improved.
Owner:LG ELECTRONICS INC

Hinge assembly for display

A hinge assembly includes two connecting bases, a rotating element, two sets of washers, and two locking elements. The connecting base includes a base part and a first ear part. The first ear part has a first shaft hole and a concave opening. The rotating element includes a linking part and two second ear parts. The second ear part has a second shaft hole and a blocking protrusion. The rotating element straddles and is located on two connecting bases. The two blocking protrusions respectively place into two concave openings. The two sets of washers are located on a side of the first ear parts and the two second ear parts. The locking elements insert within the first shaft holes of the two connecting bases, the second shaft holes of the rotating element, and the two sets of washers. Thereby, the two connecting bases are pivoted with the rotating element.
Owner:LITE ON TECH CORP

Lightning conductor system comprising a lightning conductor strip mounted in an offset manner

A lightning conductor system for a support structure having an external face intended to be subjected to a flow of air and an internal face opposite the external face, the lightning conductor system comprising an electrically conducting lightning conductor strip, intended to be placed on the side of the internal face of the support structure while being connected to ground, and means of fixing the lightning conductor strip to the support structure, the fixing means comprising fixing studs intended to be inserted into orifices formed in the support structure, said fixing studs being in electrical contact with the lightning conductor strip. The lightning conductor system includes the lightning conductor strip being mounted in an offset manner with respect to the main axes of the fixing studs.
Owner:AIRBUS OPERATIONS (SAS)

Pickup guiding structure for optical disk drive

The present invention relates to an optical pickup guiding structure for an optical disk drive. The structure of the present invention comprises a pickup base 30 with a pickup window 32 formed therein, and an optical pickup 34 that is provided in the pickup window 32 and includes at least one end movably supported by a molded structure integrally formed on the pickup base 30. The end of the optical pickup and a molded structure for movably supporting the end of the optical pickup 34 are formed with a guide channel 37c and a guide rib 41r, respectively, which are complementary to each other, thereby guiding the optical pickup. According to the present invention, there are advantages in that the number of parts of the optical disk drive is minimized, and the change in the installation state of the optical pickup is minimized during use, so that the operational reliability is improved.
Owner:LG ELECTRONICS INC

Lens driving device and camera module including same

PendingUS20210096321A1Solve the real problemMinimizing friction torquePrintersProjectorsOptical axisEngineering
One embodiment relates to a lens driving device and a camera module including same. The lens driving device according to the one embodiment can include: a base; a pin coupled to the base; and a housing including a lens group and moving in the optical axis direction along the pin. The housing can include, in one side thereof, a ball accommodation part and a plurality of balls arranged in the ball accommodation part. The pin is arranged in the ball accommodation part so as to be capable of guiding the housing while being in contact with the plurality of balls.
Owner:LG INNOTEK CO LTD

Steering column assembly for vehicle

A steering column assembly includes a light switch and a wiper switch assembled to a column tube of a column shaft via an assembly bracket. The assembly bracket includes a body, to which the light switch and the wiper switch are coupled, and a coupling section, to which a top portion of the column tube is fixed. With the assembly, the light switch and the wiper switch can be easily and closely assembled to the column. Also, the assembly tolerance between the column and the assembly bracket can be minimized.
Owner:HYUNDAI MOTOR CO LTD +1

Image printing method and apparatus

InactiveUS7212757B2Accurately correct read timing of sensor systemEnhance the imageElectrographic process apparatusPictoral communicationMagnificationOperation mode
This invention provides an image printing method and apparatus which accurately correct the read timing of a sensor system used to correct the position of a toner image in the correction operation mode, and accurately corrects the magnification of an image in the vertical direction in the print operation mode. An image printing apparatus according to the invention includes an image printing unit which prints a toner image on an intermediate transfer belt, and a control unit which controls the rotational speed of the intermediate transfer belt by detecting a toner image printing on the intermediate transfer belt by the image printing unit. When the correction operation mode is selected, the control unit executes feedback control on the rotational speed of the intermediate transfer belt on the basis of vertical magnification adjustment value data. When the print operation mode is selected, the control unit executes feedback control on the rotational speed of the intermediate transfer belt on the basis of vertical magnification adjustment value.
Owner:KONICA MINOLTA INC

Light guide plate position fixing frame and display device having the same

A display device includes: a display panel; a lower frame including a bottom portion and side portions; a light source unit extending along a first side portion of the lower frame; a light guide plate including a light opposing surface opposing a light incident surface in a first direction; a first auxiliary frame in the lower frame to restrict movement of the light incident surface in the first direction; a second auxiliary frame fixable to the bottom portion of the lower frame to restrict movement of the light opposing surface in the first direction; and a coupling member with which the second auxiliary frame is fixed to the lower frame. The second auxiliary frame includes a through hole through which the coupling member is extendable, and a width of a head portion of the coupling member is larger than a width of the through hole.
Owner:SAMSUNG DISPLAY CO LTD
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