Abstract: A hinge assembly includes a pivot shaft, a rotatable leaf rotatably sleeved on the pivot shaft, a fixing leaf non-rotatably sleeved on the pivot shaft, a first magnet fixed to the rotatable leaf, a second magnet fixed to the fixing leaf, and a fixing member. A polarity of the second magnet faces an opposite polarity of the first magnet in a predetermined position such that the first and second magnets experience attraction. The attraction is changeable when the rotatable leaf is rotated relative to the fixing leaf. The fixing member is fixed at an end of pivot shaft to prevent the rotatable leaf and the fixing leaf from detaching from the pivot shaft.

Abstract: A soldering apparatus includes a base body, an actuator connected to the base body, and a pair of soldering arms connected to the actuator, each of the pair of soldering arms including a heating member and a soldering tip thermally coupled to the heating member. The pair of soldering arms is moveable and the actuator is controllable to move one soldering arm relative to the other soldering arm.

Abstract: A lens module includes a lens barrel, a lens holder, a base, a plurality of elastic guiding members secured on the base and a plurality of electromagnetic devices arranged on the base. The lens barrel has a plurality of optical components received therein, and outer screw threads formed on an outer wall thereof. The lens holder has inner screw threads formed on an inner wall thereof to engage with the outer screw threads of the lens barrel. A plurality of supporting bars and magnetic elements are secured on an outer wall of the lens barrel. The guiding members each is formed on the base and configured for inserting of the respective supporting bar therein to guide a movement of the lens holder. The electromagnetic devices each locates at opposite sides of the respective magnetic element of the lens holder to provide a force to drive the lens holder.

Abstract: An electronic device includes a main body, a keyboard, a fastening member, and an elastic member. The main body defines an assembling groove. The keyboard is disposed in the assembling groove of the main body. The fastening member is movably disposed in the main body. The elastic member is sleeved on the fastening member, and configured for producing an elastic force to drive the fastening member to engage with the main body.

Abstract: An electronic device includes a main body, a cover, and two support legs. The main body defines two receiving portions. The cover is rotatably connected to the main body. Two resisting portions are formed on the cover. The support legs are rotatably received in the receiving portions of the main body respectively. When the cover rotates relative to the main body, the resisting portions resist the support legs to rotate, thus driving the support legs protruding out from the main body.

Abstract: An exemplary street lamp for being stalled on the ground includes a light source, a light pervious member and a direction indicator. The light pervious member includes a light incident surface and an opposite light emitting surface for facing the ground. The light source is arranged opposite to the light incident surface. The direction indicator is arranged on the light pervious member for projecting the shadow thereof on the ground to indication a direction at the geographic location of the street lamp.

Abstract: A fixing assembly can fix a shielding panel to a housing of a computer case. The fixing assembly includes two sliding members and a driving member. The housing includes a front plate defining through holes. The shielding panel includes a plurality of latching hooks corresponding to the through holes. Each latching hook passes though the corresponding through hole. The sliding members are slidably attached to the opposite edge portions of the front plate respectively. Each sliding member defines a plurality of engaging holes corresponding to the through holes. Each engaging hole includes a latching portion and a receiving portion in communication with the latching portion. Each latching hook is latched in one corresponding latching portion or received in one corresponding receiving portion. The driving member is capable of sliding the sliding members such that each latching hook is movable between the corresponding latching portion and the corresponding receiving portion.

Abstract: A connector includes a main body, and a cable electrically connected to a rear end of the main body. An elastic latch is formed on a top of the main body. Two protrusions are formed on a rear portion of the top of the main body. A surface of each protrusion is coated with reflecting material, slanted, and opposite to the cable.

Abstract: An optical system (20) for efficiently collimating an elliptical light beam includes a light source (21), a first lens (22), a second lens (23), and a third lens (24). The light source is adapted for providing an elliptical light beam defining different diverging angles in different directions, wherein any cross-section of the elliptical light beam emitted from the light source defines a long axis and a short axis which are perpendicular to each other. The first lens, the second lens, and the third lens are used for reconfiguring the elliptical light beam, thus obtaining a round light beam having equivalent short axis and long axis, and equivalent diverging angles in both horizontal direction and vertical direction. Optical centers of the first lens, the second lens, and the third lens commonly define a common optical axis along which the elliptical light beams travels.

Abstract: An image sensor package includes an image sensor chip, a sidewall, an encapsulation glass, conductive material, and a plurality of solder balls. The image sensor chip comprises a photosensitive area, a non-photosensitive area surrounding the photosensitive area, and a plurality of bonding pads formed on the non-photosensitive area. The sidewall is located on the non-photosensitive are and defines a plurality of first through holes aligned with and corresponding to the bonding pads. The encapsulation glass is located on the sidewall. A plurality of solder balls are formed on the encapsulation glass aligned with the bonding pads, respectively. The encapsulation glass defines a plurality of second through holes each corresponding to a bonding pad and a corresponding solder ball. The image sensor package further comprises a conductive material through which the first and second through holes penetrate.

Abstract: A battery fastening assembly for fastening a battery to a housing includes a hook and a positioning portion formed on the battery, and a slot defined in the housing, and a positioning portion formed on the housing. The slot is configured to engage with the hook, and the positioning portion of the housing is configured to engage with the positioning portion on the battery. The hook is slidable in the slot so that the battery is slidable relative to the housing and to make the positioning portion of the battery engage with or disengage from the positioning portion of the housing.

Abstract: An optical plate includes a first surface and a second surface opposite to the first surface. A plurality of elongated, arc-shaped depressions is defined in the first surface. A plurality of first elongated, V-shaped protrusions aligned in a first direction and a plurality of second elongated, V-shaped protrusions aligned in a second direction are protruded from the second surface. The first direction and the second direction cooperatively define an angle which is larger than 0 degrees and less than 90 degrees.

Abstract: A portable electronic device includes a camera module and a main body. The camera module includes a housing, a lens received in the housing, an image sensor received in the housing for capturing an image of an object, a first ferromagnetic or magnetic element fixed to the housing, a plurality of metallic connecting pins electrically connected to the image sensor and exposed at an opposite side of the image sensor to the lens. The main body includes a printed circuit board, and a second ferromagnetic or magnetic element. The camera module is detachably coupled to the main body in a manner that the first ferromagnetic or magnetic element is magnetically attached to the second ferromagnetic or magnetic element, and the metallic connecting pins are electrically coupled to the printed circuit board.

Abstract: A contour measuring probe includes an air guide, a sliding member and a probe tip. The air guide defines a guide hole. The sliding member is slidably received in the guide hole. The probe tip is fixed on an end of the sliding member. A cross-section of the sliding member is non-circular, and the guide hole is a non-circular hole, such that the sliding member slides only along an axis of the air guide.

Abstract: An element mounting apparatus includes a movable arm, an electromagnet, a first controller and a glue dispenser. The glue dispenser includes a plate body and a second controller. The plate body includes an inner space containing glue, a through hole defined therein, and a plurality of spaced glue outlets formed in the first surface and communicating with the inner space. The second end of the electromagnet engages the through hole to attract the magnetic element on the first surface of the plate body with the glue outlets surrounding, and repelling the magnetic element to the retainer. The second controller ejects glue out of the inner space of the plate body via the glue outlets, thereby adhesively mounting the magnetic element to the retainer.

Abstract: A resilient plate includes a body, a through hole defined in the center of the body, a plurality of slots defined in the body. A plurality of glue-holes is defined in the periphery portion of the body, and the glue-holes are configured for receiving an amount of an adhesive.

Abstract: An exemplary light emitting diode includes a substrate, a LED chip, a first heat conductor, and a second heat conductor. The substrate comprises a first surface and an opposite second surface. The LED chip is positioned on the first surface of the substrate and it has a first electrode and a second electrode. The first heat conductor is attached to the second surface of the substrate and electrically connected to the first electrode of the LED chip. The second heat conductor is extending through the first heat conductor and insulated from the second heat conductor, and electrically connected to the second electrode of the LED chip.

Abstract: An aperture stop includes a body and a black film. The body is stainless steel and the black film is disposed on at least two corresponding ends of the body. A manufacturing method of the aperture stop is also provided. The aperture stop is produced using the characteristics of the stainless steel body.

Abstract: A hinge assembly includes a base, a rotating member, and a connecting member connecting the base to the rotating member. The connecting member is slidably positioned on the base. The rotating member is rotatably positioned on the connecting member. The rotating member relative to the connecting member is able to move to be on an outer side of the base with sliding movement of the connecting member relative to the base.

Abstract: A foldable electronic device includes a first cover, a second cover rotatably connected to the first cover, and a latch mechanism. The latch mechanism includes a latching portion formed on the first cover and a catching unit positioned in the second cover. The catching cover includes a pivoted button. The pivoted button defines a catching structure to engage with the latching portion. The pivoted button is rotatably attached to the second cover. The pivoted button causes the catching structure of the pivoted button to engage with or disengage from the latching portion. A latch mechanism applied in the foldable electronic device is also provided.