Abstract: A hand-writing input device includes a penholder, a writing head and an infrared light source. The penholder includes a writing end and an opposite top end. The writing head is arranged on the writing end. The writing head is capable of leaving color distinguishable traces on an object. The infrared light source is positioned on the writing end of the penholder adjacent to the writing head. The present invention also relates to a hand-writing input system using the hand-writing input device.

Abstract: A portable electronic device includes a main body, a number of ball bearings, a spherical retaining member and a camera module. The main body includes a cavity formed therein, and a number of recesses formed in inner walls of the cavity and in communication with the cavity. The ball bearings are received in the respective recesses. The spherical retaining member is located in the cavity and is in contact with the ball bearings. The spherical retaining member defines a receiving space therein and an opening in communication with the receiving space. The camera module is received in the receiving space and facing the opening, the camera module is retained by the spherical retaining member in a manner such that the camera module is rotated by rotating the spherical retaining member relative to the ball bearings.

Abstract: A headset includes a substantially U-shaped frame, two speakers mounted at two ends of the substantially U-shaped frame, an infrared emitter, and an infrared receiver facing the infrared emitter. The infrared emitter is configured for emitting infrared light towards the infrared receiver. The infrared receiver is configured for receiving the infrared light from the infrared emitter and for generating a pause signal after the infrared light is continuously received by the infrared emitter for a first predetermined time. The headset is configured to stop working according to the pause signal.

Abstract: A lens module includes a lens barrel receiving a first lens, an annular light-shielding plate, and a second lens. The first lens includes a first imaging portion and a first non-imaging portion surrounding the first imaging portion. The first non-imaging portion includes a first mounting surface and a second mounting surface opposite to the first mounting surface. The second lens includes a second imaging portion and a second non-imaging portion surrounding the second imaging portion. The second non-imaging portion includes a third mounting surface. The first mounting surface, the second mounting surface, and the third mounting surface are perpendicular to an optical axis of the lens module. The light-shielding plate is mounted between the second mounting surface and the third mounting surface and totally covers the first non-imaging portion in a projection plane perpendicular to the optical axis.

Abstract: A lens module comprises a barrel, a first lens, a first spacer ring, a second lens having an effective aperture A, a second spacer ring having an inner diameter B, and a third lens having an effective aperture C. The first lens, the first spacer ring, the second lens, the second spacer ring, the third lens and the infrared cut-off filter are coaxially assembled within the barrel, along an axial direction of the barrel in that order. The first spacer ring is sandwiched between the first lens and the second lens, the second spacer ring is sandwiched and located between the second lens and the third lens. The inner diameter B of the second spacer ring is smaller than the effective aperture C of the third lens and larger than the effective aperture A of the second lens, so as to satisfy the condition of C>B>A.

Abstract: A lens module includes a lens barrel, a first lens, a second lens, a third lens, and two spacers. The lens barrel includes an object-side end and an image-side end. The first, second, and third lenses are received in the lens barrel and arranged in that order from the object-side to the image-side. The second lens includes an object-side surface facing the object-side end and an image-side surface facing the image side end. An anti-reflection film is coated on the image-side surface of the second lens. The reflectance of the anti-reflection film to light rays having wavelength in a range from about 700 nm to about 740 nm is lower than about 2.25%.

Abstract: A lens module includes a lens barrel, a number of lenses, a number of opaque plates, and a filter glass. The barrel, the lenses, the opaque plates, and the filter glass all are received in the lens barrel. Each opaque plate is sandwiched between two adjacent lenses. Each lens includes an imaging portion and a non-imaging portion surrounding the imaging portion for engaging an inner sidewall of the lens barrel. The filter glass is arranged closer to an image-side of the lens module than the lens and the opaque plates. The projection of one of the opaque plates arranged closest to the filter glass, along the direction of incident light of the lens module, totally covers the non-imaging portion of the lens arranged closest to the filter glass.

Abstract: A lens module includes a lens barrel, a first lens, a second lens, and a spacer. The lens barrel includes an object-side end and an image-side end opposite to the object-side end. The first lens is received in the lens barrel, and adjacent to the object-side end. The second lens is received in the lens barrel, and adjacent to the image-side end in relative to the first lens. The spacer is an annular plate, and includes an object-side surface, an image-side surface opposite to the object-side surface, and an inner sidewall. The spacer is positioned between the first lens and the second lens. The object-side surface faces the first lens, and the image-side surface faces the second lens. The intersection of the object-side surface and the inner sidewall forms a chamfer.

Abstract: A lens module includes a lens barrel, a first lens, a second lens, and a spacer. The lens barrel includes an object-side end and an image-side end opposite to the object-side end. The first lens is received in the lens barrel, and adjacent to the object-side end. The second lens is received in the lens barrel, and adjacent to the image-side end in relative to the first lens. The spacer is an annular plate, and includes an object-side surface, an image-side surface opposite to the object-side surface, and an inner sidewall. The spacer is positioned between the first lens and the second lens. The object-side surface faces the first lens, and the image-side surface faces the second lens. The intersection of the object-side surface and the inner sidewall forms a chamfer.

Abstract: A lens module includes a lens barrel, a first lens, an opaque plate, and a second lens. The first lens includes an imaging portion and a non-imaging portion surrounding the imaging portion. The non-imaging portion defines an annular conic surface. The opaque plate is annular conic shaped and contacts with the annular conic surface. The second lens includes an imaging portion and a non-imaging portion surrounding the imaging portion. The object-side surface of the non-imaging portion of the second lens is step-like shaped and includes at least two step surfaces. A junction of two adjacent step surfaces abuts against the opaque plate.

Abstract: An auxiliary device for measuring the coaxiality of a lens. The auxiliary device includes a cylindrical main body having a first surface and a flat second surface facing away the first surface, and a protrusion formed on the first surface and defining a reference convex surface. The second surface of the main body defines a position part. The position part is coaxial with the reference convex surface and configured to engage with the lens to measure the coaxiality of the lens.

Abstract: An illuminating device includes a light source and a light diffusing plate. The light diffusing plate includes a light pervious substrate and a light diffusing structure. The light pervious substrate has a lower surface adjacent to the light source and an upper surface at an opposite side of the substrate to the lower surface. A through hole is defined in the substrate to expose a central portion of the light source. The light diffusing structure is formed at the upper surface and includes a plurality of first lens arrays radially extending from the through hole and a plurality of second lens arrays each arranged between two adjacent first lens arrays.

Abstract: An exemplary apparatus for applying deglossing paint on a peripheral inactive portion of a lens is provided. The apparatus includes a platform, a holder and a printing device. The platform includes a worktable, and a supporting member extending from the worktable and having a cantilever portion suspending above the worktable. The holder is mounted on the worktable, and is configured for holding one or more lenses thereon. The printing device is supported by the cantilever portion, and includes a stamper facing toward the lens. The stamper is capable of having the deglossing paint stained thereon and applying the deglossing paint on the peripheral inactive portion by bringing the deglossing paint into contact with the peripheral inactive portion.

Abstract: An exemplary panoramic camera includes a housing, camera modules received in the housing, viewfinders, and an image processor. Each camera module includes a lens, a reflective mirror, and an image sensor in an order written from an object side to an image side. The camera modules cooperatively form a 360 degrees view image of the surrounding scene. An angle is defined between the plane of the reflective mirror and a light sensing surface of the image sensor. Each reflective mirror is rotatable between a first position where the angle is an acute angle, light is reflected by the reflective mirror to the corresponding viewfinder, and a second position where the angle is about 90 degrees, light is incident upon the light sensing surface of the image sensor. The image processor stitches together the images captured by the camera modules into a single panoramic image of the surrounding scene.

Abstract: An exemplary portable electronic device includes a main body defining a shaft receiving hole an inner surface in the shaft receiving hole, a camera unit mounted on the main body, and a fastening member. The camera unit includes a camera module, and a shaft connected with the camera module. The shaft is rotatably received in the hole, and axially movable relative to the main body. The inner surface and the shaft cooperatively define a wedge-shaped space. The fastening member includes an elastic portion. The elastic portion is slidable between a first position where the elastic portion is engaged in a narrow end of the space, and the shaft is securely fastened to the main body by the elastic portion, and a second position where the elastic portion is disengaged from the narrower end of the space, and the shaft is unfastened from the main body.

Abstract: A display system includes a display having a display panel, a feature recognition apparatus, a distance detector and a controller. The feature recognition apparatus includes an image capturing unit for capturing images of objects present in a subject range in front of the display panel, and an image processing unit for processing the images to determine if a viewer present in the subject range. The distance detector is configured for determining whether a present viewer beyond a safe viewing distance limit. The controller is configured for controlling the display panel to operation there is no a viewer within a safe viewing distance limit, and controlling the display panel to be switched off if there is a viewer within the safe viewing distance limit.

Abstract: An exemplary flash lamp module includes a light source, a holding pole, a lampshade, a slide orbit and a driving portion. The light source is mounted on the holding pole. The lampshade is configured for covering the light source. The lampshade has an opening configured for allowing light beams emitted from the light source passing through the opening. The slide orbit is configured for supporting and allowing the lampshade moving therealong. The driving portion is configured for driving the lampshade to move along the slide orbit so as to change the direction of emitting of light beams through the opening.

Abstract: An exemplary plural-view device includes a plane mirror, a display panel, a support member connected to the plane mirror or the display panel, and a camera module. The camera module is mounted to the support member and electrically connected with the display panel. The support member is adjustable relative to at least one of the plane mirror and the display panel for adjusting a field of view of the camera module.

Abstract: An exemplary camera module includes a printed circuit board, an image sensor, a spacer and a lens holder. The image sensor and the spacer are both mounted on the printed circuit board. The lens holder is arranged on and is rotatable relative to the spacer. The lens holder includes spaced lens receiving through holes each receiving a lens therein. Each of the lens receiving through holes together with the at least one lens is capable of aligning with the image sensor by rotation of the lens holder.

Abstract: An exemplary embodiment of an angling joystick includes a body, an orientation indicating unit, an imitation fishing reel and a transceiver unit. The orientation indicating unit is attached to the body and is configured for indicating an orientation of the body. The imitation fishing reel is attached to the body and includes a lever and a force-adjusting device. The lever is rotatably connected to the force-adjusting device. The transceiver unit is electrically connected to the force-adjusting device and is configured for receiving control signals. The force-adjusting device is configured for adjusting a rotating resistance to the lever according to the control signals.