Abstract: An exemplary lens module includes a lens barrel, and a first adjustable lens received in the lens barrel. The lens barrel includes a circumferential sidewall. The lens barrel also defines an accommodating cavity therein for receiving the first adjustable lens therein. The circumferential sidewall of the lens barrel defines an adjusting through hole therein. The adjusting through hole communicates with the accommodating cavity. The first adjustable lens has a circumferential side surface. The circumferential side surface defines a first adjusting notch therein. The first adjusting notch communicates with the adjusting through hole.

Abstract: A camera module includes a lens barrel assembly and a lens holder. The lens assembly includes a lens barrel and a lens received in the lens barrel. The lens include an optical axis. The lens barrel defines a recess in a sidewall of the lens barrel. The barrel holder includes a peripheral sidewall, an inner flange formed on an inner surface of the peripheral sidewall, and a protrusion extending from the inner flange. The peripheral sidewall of the barrel holder is threadedly engaged with the lens barrel. The protrusion extends in a direction parallel to the optical axis and is inserted in the recess.

Abstract: A lens module includes a lens barrel and a lens holder. The lens barrel includes a barrel. The barrel includes an outer surface and an outer thread portion formed on the outer surface. The lens holder includes a main body. The main body defines a receiving space to receive the lens barrel. An inner thread portion matching the outer thread portion is formed on an inner surface of the receiving space. The angle between the outer surface of the lens barrel and an optical axis of the lens module is different from the angle between the inner surface of the receiving space and the optical axis of the lens module.

Abstract: A mold apparatus includes a female mold combined with a male mold. The female mold and male mold respectively include at least one female mold unit and one male mold unit, at least a pair of screw tooth blocks, a first fastener, and a second fastener. The female mold unit and the male mold unit respectively include a space with an opening and a through hole connecting with the space. The screw tooth block is mounted in the space. The screw tooth block includes an inserted concavity in a pair of opposite surfaces respectively and a through hole in the other opposite surfaces, the inserted concavity comprising an inner screw. The fastener, through the through hole of the mold unit and the through hole of the screw tooth block, fastens the screw tooth block in the space of the mold unit.

Abstract: An exemplary lens module includes a lens barrel, a first lens, and a second lens. The lens barrel includes an accommodating cavity defined therein. The first lens is received in the accommodating cavity of the lens barrel. The first lens has a first adjusting notch defined at a periphery thereof. The second lens is received in the accommodating cavity of the lens barrel and adjacent to the first lens. The second lens has a second adjusting notch defined at a periphery thereof. The second adjusting notch communicates with the first adjusting notch.

Abstract: An exemplary lens module includes a holder, a lens barrel, a cover having a through hole, a restricting member having a slit, a handle extending from the lens barrel and a resilient. The lens barrel is accommodated in the holder capable of moving along a central axis of the holder. The cover covers the lens barrel and is detachably fixed on the holder. The restricting member is over the cover. The handle penetrates the through hole and the slit. The resilient member is sandwiched between the cover and the lens barrel, capable of changing the length thereof under an external force and recovering the original length with the external force withdrawn, such that a focal length of the lens module is adjustable by moving the handle in and along the slit.

Abstract: A camera module includes a first lens assembly, a second lens assembly, an image sensor module, a first driving device and a second driving device. The first lens assembly is positioned on an optical axis of the camera module. The second lens assembly is coaxially aligned with the first lens assembly and movable along the optical axis. The image sensor module includes a first image sensor and a second image sensor at opposite sides thereof. The first driving device is for driving the second lens assembly to move backward and forward along the optical axis. The second driving device is for driving the image sensor module to move down and up along directions nonparallel to the optical axis.

Abstract: A camera module includes first and second lens modules, a first holder receiving the first lens module therein, a second holder receiving the second lens modules therein, a circuit board arranged between the first and second holders, first and second image sensors arranged on opposite surfaces of the circuit board, and first and second reflecting members. The first image sensor is received in the first holder. The second image sensor is received in the second holder. The first reflecting member is arranged in the first holder and has a first reflecting surface for reflecting and directing the light converged by the first lens module to the first image sensor. The second reflecting member is arranged in the second holder and has a second reflecting surface for reflecting and directing the light converged by the second lens module to the second image sensor.

Abstract: An exemplary camera module includes a barrel, first and second lens assemblies, a circuit board, first and second image sensors. The barrel includes a first inner space, a first light incident opening in communication with the first inner space, a second inner space and a second light incident opening in communication with the second inner space. The first and second lens assemblies are received in the first inner space and second inner space, respectively. The circuit board is positioned between the first inner space and the second inner space, and has a first surface and an opposite second surface. The first image senor is mounted on the first surface of the circuit board, and configured for detecting light from the first lens assembly. The second image sensor is mounted on the second surface of the circuit board, and configured for detecting light from the second lens assembly.

Abstract: A light source module includes a base, a supporter, and a light source fixed by the supporter. The base includes a top surface, a first side surface connected with the top surface, a second side surface connected with the top surface, a protrusion projecting from the first side surface, and a recess defined in the second side surface. The protrusion is for inserting into a recess of another light source module. The recess is configured for coupling with a protrusion of still another light source module. The supporter is mounted on the top surface of the base.

Abstract: An exemplary mold unit includes a first mold module and a second mold module adjacent to the first mold module. Each of the first mold module and the second mold module includes a fixed mold and a movable mold capable of moving toward and away from the fixed mold. The fixed and movable molds are configured to form a plurality of shaping chambers therebetween when the fixed and movable molds are in a closed position. The fixed mold defines a main runner having an inner end capable of communicating with the shaping chambers for supplying molten material into the shaping chambers.

Abstract: A vehicle back-up image system includes a holding component, an image assembly, a driving component, a display component and a processing component. The image assembly includes a first camera, a second camera and a holder. The first and second cameras are positioned on the holder. The holder is positioned on the holding component. The driving component is configured to drive the image assembly to rotate with respect to the holding component. The processing component is electrically connected to the driving component and the display component. The processing component is configured to control the driving component to drive the image assembly to rotate, and receive images captured by the first camera or the second camera and deliver the images to the display component.

Abstract: A mold temperature controlling device includes a main body. The main body defines a recess in a surface thereof and through holes therein. The recess is configured to receive a mold core. The through holes are positioned around the recess and configured to allow mold temperature adjusting fluid to flow through.

Abstract: A lens mold comprises a first pressing portion, a second pressing portion, and a shaping portion disposed between the two, which comprises an upper slide and a lower slide. The upper slide and the lower slide are connected to the second pressing portion, and can slide along each other. A mold cavity in fluidic communication with a flow path and the inlet such that the lens material flows from the inlet to the mold cavity along the flow path to form a shaped lens. After the lens is formed, the upper slide and the lower slide away from each other separately, where a part of the shaped lens is remains in a recess defined in the second pressing portion, to help release the shaped lens from the mold.

Abstract: A car includes a car body, a camera unit, a driving unit, a display unit, a processing unit and a power source unit. The car body includes a rear portion. The camera unit is moveably coupled to the rear portion and is configured to capture images. The driving unit is to drive the camera unit to move along the rear portion. The display unit is configured to display the captured images. The processing unit is configured to receive the captured images, send the captured images to the display unit to display and control the driving unit to drive the camera unit. The power source unit is configured to supply electrical power to the camera unit, the driving unit, the processing unit and the display unit.

Abstract: A height measurement apparatus for measuring a height of a workpiece is provided. The height measurement apparatus includes a support member, a level bar and a height gauge. The level bar is installed on the support member and movable along a horizontal direction. The height gauge is installed on the level bar and vertically movable along a vertical direction relative to the level bar. The height gauge comprises a probe for contacting the workpiece, thereby detecting the position of the workpiece.

Abstract: An exemplary light emitting module includes a main body, a first assembly portion and a second assembly portion. The main body includes a light source. The first assembly portion and a second assembly portion are arranged on two opposite sides of the main body. The first assembly portion includes a first assembly hole and a first assembly pole. The second assembly portion includes a second assembly hole and a second assembly pole.

Abstract: A molding device includes a mold and a mold core received in the mold. The mold has an insert receiving cavity defined therein and an inner surface in the insert receiving cavity. The mold core includes a core insert and a connection portion. The core insert has a molding surface defined at a first distal end thereof and a lateral surface. The lateral surface of the core insert contacts the inner surface in the insert receiving cavity. The connection portion has a distal end connected with an opposing second distal end of the core insert. The connection portion is received in the insert receiving cavity and spaced from the inner surface of the mold.

Abstract: A mold apparatus includes a female mold combined with a male mold. The female mold and male mold respectively include at least one female mold unit and one male mold unit, at least a pair of screw tooth blocks, a first fastener, and a second fastener. The female mold unit and the male mold unit respectively include a space with an opening and a through hole connecting with the space. The screw tooth block is mounted in the space. The screw tooth block includes an inserted concavity in a pair of opposite surfaces respectively and a through hole in the other opposite surfaces, the inserted concavity comprising an inner screw. The fastener, through the through hole of the mold unit and the through hole of the screw tooth block, fastens the screw tooth block in the space of the mold unit.

Abstract: An exemplary mold for making a unitary composite lens is provided. The composite lens includes a first lens portion, a second lens portion and a connecting portion interconnected between the first lens portion and the second lens portion. The mold includes a first molding member, a second molding member, a core insert. The first molding member and the second molding member cooperatively define a chamber with an opening therebetween. The core insert includes a base portion and a protrusion protruding from the base portion. The first molding member and the protrusion are configured for cooperatively defining a first part of the chamber for forming the first lens portion, and the second molding member and the protrusion configured for cooperatively defining a second part of the chamber for forming the second lens portion. The chamber includes a third part in communication with the first part and the second part.