Abstract: A camera module which is sealed and given protection against damage from forcible impacts includes a lens module, a lens tube, and a protecting cover. The lens module has lens screw threads on its outer wall. The lens tube includes a lens receiving space, the lens module is received in the lens receiving space, lens tube screw threads are formed on an inner wall of the lens receiving space. The lens tube screw threads match the lens screw threads. The protecting cover includes a cushioning portion and a dustproofing portion. The cushioning portion and the dustproofing portion are attached to and cover the outer exposed surfaces of the lens tube. The dustproofing portion covers the lens thread and the lens tube screw threads.

Abstract: A small-scale camera device with heat-dissipating properties includes a pedestal bracket and a camera module mounted on the pedestal bracket. The pedestal bracket includes a top plate and a side plate extending perpendicularly from edges of the top plate. The side plate includes an inner side surface and an outer side surface opposite to the inner side surface. The bottom of the side plate defines a plurality of first receiving recesses, each of the first receiving recesses carries a heat dissipation member.

Abstract: A vibration heat-pressing device includes a positioning member, a support body, a pressing mechanism, a vibration generator, and a heating rod. The positioning member supports and positions the workpiece. The pressing mechanism, the vibration generator, and the heating rod are located on the support body. The support body defines a first mounting hole. The heating rod is engaged in the first mounting hole. One end of the heating rod extends out from the support body and is connected to a heating device. The heating rod heats the heating rod of the pressing mechanism. A heat-conducting medium is filled in a gap between the heating rod and an inner wall of the first mounting hole. While the heating rod of the pressing mechanism are heated, the vibration generator vibrates the pressing mechanism.

Abstract: A voice coil motor of reduced thickness includes a pedestal and a housing. The side walls of the pedestal are formed with a metal sheet. The housing includes top and side plates, the side plates perpendicularly extending from an edge of the top plate. The side plate is notched, the housing covers the pedestal, and the at least one notch exposes a portion of the metal sheet for purposes of attachment between fixation area the housing and the pedestal fixation area.

Abstract: A material rack includes a frame, at least one tray and at least one stopper. Each tray is movably received in the frame in a first direction. Each stopper is movably received in the frame in a second direction, and comprises at least one stopping portion. An edge of each tray is recessed toward the stopper to form at least one stopping groove. Each stopping portion is detachably received in one of the at least one stopping groove. The first direction is different from the second direction.

Abstract: A camera device with anti-ghosting and anti-flare properties includes a printed circuit board; an image sensor mounted on the printed circuit board; and a supporting bracket fixed on the printed circuit board. The supporting bracket includes a supporting plate and perpendicular side wall. The supporting plate and the side wall together form a receiving room covering the image sensor, the supporting plate is opened to form a step portion. The step portion comprises a matte top bearing surface, and a protecting sheet fixed on the matte top bearing surface.

Abstract: A vibration heat-pressing device includes a positioning member, a support body, a pressing mechanism, a vibration generator, and a heating rod. The positioning member supports and positions the workpiece. The pressing mechanism, the vibration generator, and the heating rod are located on the support body. The support body defines a first mounting hole. The heating rod is engaged in the first mounting hole. One end of the heating rod extends out from the support body and is connected to a heating device. The heating rod heats the heating rod of the pressing mechanism. A heat-conducting medium is filled in a gap between the heating rod and an inner wall of the first mounting hole. While the heating rod of the pressing mechanism are heated, the vibration generator vibrates the pressing mechanism.

Abstract: A voice coil motor in a camera module with a means of being mounted robustly on a base comprises a casing and the base. The casing is hollow, the casing comprises a top surface and a side wall around the top surface. The base comprises a base portion and projections, the base portion being in contact with the side wall of the casing and engaged with the casing to form a cavity. The side wall is provided with recesses external to the cavity to accept the projections, the projections lending structural reinforcement to the casing.

Abstract: A camera module testing fixture for testing a performance of a camera module includes a mounting body, a fixture block set detachably mounted to the mounting body, an actuating module, a cover fixed on the actuating module, and a base. The mounting body and the actuating module are disposed on a same first side of the base. The actuating module is configured to move the cover along a first direction to above the fixture block set and further configured to move the cover along a second direction perpendicular to the first direction and perpendicular to the mounting body.

Abstract: A testing device with enhanced accessibility for repair and replacement purposes includes a base, an upper seat, a test board and a needle seat. The upper seat is mounted on the base. The test board is sandwiched between the base and the upper seat. A receiving groove is defined on the upper seat. The receiving groove extends through the upper seat to partially expose the test board. The needle seat is detachably fixed to the upper seat. A lower part of the needle seat is received in the receiving groove and abuts against the test board. An upper portion of the needle seat protrudes from the upper seat and is configure for connecting connection terminals of a product to be tested.

Abstract: A structured light emitting module includes a light source and a diffractive optical component. The light source generates laser light. The diffractive optical component is arranged on an optical path of the laser light emitted by the light source for diffracting the laser light. There is no lens arranged on an optical path of the laser light emitted by the light source.

Abstract: A product anti-theft method includes acquiring first image from a first photographic device, and obtaining item information of at least one first product and face feature information of a first user by recognizing the first image. The method further includes acquiring second image from a second photographic device, and obtaining item information of at least one second product and face feature information of a second user by recognizing the second image. When the face feature information of the second user is the same as the face feature information of the first user and searched item information is the same as the item information of the at least one second product, it is determined that a handover process is completed and an alarm device of the least one second product is deactivated.

Abstract: A dropping test device includes a base, a lifting assembly formed on the base, a resetting component, and a transmission assembly. A to-be-detected component is formed on the base. The lifting assembly includes at least one cantilever, at least one cam, and a rotating shaft. The cantilever and the cam are fixed on the rotating shaft. The rotating shaft drives the cantilever and the cam rotates. The cantilever lifts one end of the to-be-detected component during rotating. The resetting component abuts on the cam. The cam drives the resetting component towards the to-be-detected component as the cam is rotating. The resetting component drives the to-be-detected component to return to an original position. The transmission assembly is connected to the rotating shaft and drives the rotating shaft to rotate.

Abstract: A camera module to retain a smooth and easy focusing movement through components connected together by threads includes a lens bracket and a lens barrel. The lens bracket carries an optical lens and includes sidewall with a first internal thread. The optical lens includes sensor end. The sensor end includes a lateral surface with an external thread which corresponds to the first internal thread. The lateral surface defines several notches extending from the end of the lateral surface down through the external threads to reduce any clamping or high turning resistance between the internal and the external threads.

Abstract: A surface light source device and system for monitoring uniformity of brightness of the device are disclosed, the device includes a light source unit; a light guide plate, and at least one light uniformity plate. The light guide plate includes a light incident surface and a light emitting surface, the light incident surface is disposed in a light emitting direction of the light source unit; and the light incident surface is disposed in a light emitting direction of the light source unit. The at least one light uniformity plate comprises a light receiving surface facing the light emitting surface, the light receiving surface is defined with a plurality of zones, and each zone is provided with a photosensitive element which senses and measures the brightness of light. A method of operating the monitoring system is also disclosed.

Abstract: A camera module with reduced light leakage includes a printed circuit board and a mounting bracket mounted on the printed circuit board. The printed circuit board includes a first surface and at least one side surface perpendicularly connected to the first surface. A step is defined at the printed circuit board. The step passes through the first surface and at least one side surface. A flange is defined on the mounting bracket. The flange is received and fixed in the step and this structure places less reliance on the strength and opacity of the particular adhesive used.

Abstract: A camera includes a circuit board, an image sensing chip, a package base, a lens module, a flexible circuit board, and a first carrier plate. The circuit board includes a first surface and an opposite second surface. The circuit board defines a window through the first surface and the second surface. The image sensing chip is mounted to the second surface and includes a photosensitive area viewable through the window. The package base is mounted to the first surface and defines a light hole. The lens module is mounted to the package base. The first carrier plate is mounted to the second surface and covers the image sensing chip. The circuit board further includes an end portion not covered by the first carrier plate. The flexible circuit board is mounted to the second surface of the end portion and is electrically coupled to the image sensing chip.

Abstract: A light projecting module for use in electronic devices, the light projecting module including a circuit board having a laser light source, a seat mounted on the circuit board, a transparent conductive film mounted on a surface of the seat away the circuit board, at least one conductive layer formed on the seat and having first and second end portions, at least one conductive ball electrically connecting the first end portion to the transparent conductive film, and at least one insulating colloid formed at a junction of the transparent conductive film, the first end portion, and the conductive ball. The second end portion of the at least one conductive layer is electrically connected to the circuit board.

Abstract: A lens module includes a circuit board, a photosensitive chip, a mounting bracket, a filter, a lens base, and a lens. The circuit board defines a first through hole. The photosensitive chip is mounted within the first through hole. Gold fingers are mounted on the circuit board surrounding the photosensitive chip. Metal wires are mounted on a periphery of the photosensitive chip. Each of the metal wires is coupled to a corresponding one of the gold fingers. The metal wires are encapsulated by a colloid so that the metal wires do not contact each other. The mounting bracket is mounted on the circuit board. The filter is mounted on the mounting bracket and aligned with the photosensitive chip. The lens base is mounted on the mounting bracket. The lens is mounted within the lens base and aligned with the photosensitive chip.

Abstract: A less conspicuous lens module able to approach closer to a corner of a display screen on an electronic device includes a circuit board, a carrier, and a lens assembly. The circuit board includes a first hard board portion. The carrier is disposed on the first hard board portion, and the lens assembly is disposed on the carrier. The first hard board portion, the carrier, and the lens assembly all have a cutaway structure at their edges. The cutaway structures of the first hard board portion, the carrier, and the lens assembly are consistent in shape and size and are aligned with each other. An electronic device using such a lens module is also provided.