Abstract: An exemplary display device includes a display housing, a camera, a bracket and a transmission unit connected between the camera and the bracket. The transmission unit includes a camera rotation unit, a bracket rotation unit and a linkage unit. The camera rotation unit is fixed on the display housing and connected with the camera. The bracket rotation unit is fixed on the display housing and rotatably connected with the bracket. The linkage unit interconnects the camera rotation unit and the bracket rotation unit. When the display housing is rotated, the bracket rotation unit rotates in unison with the display housing relative to the bracket, the bracket rotation unit drives the camera rotation unit to rotate via the linkage unit, and the camera rotation unit drives the camera to rotate thereby adjusting an angle of the camera relative to the display housing.

Abstract: A buffering device for fixing a flexible cable includes a fixing part and a moving part. The two connecting ends of the flexible cable move relatively to each other. One of the connecting ends is connected to a circuit board. The fixing part defines two sliding cutouts fixed at two opposite sides of the flexible cable and adjacent to the connecting end of the flexible cable clamping and sandwich the flexible cable between the mount and the circuit board. The moving part includes a movable support and two second cushions. The movable support comprises a top support frame and a bottom support frame. The movable support is inserted into the sliding cutouts and moves back and forth in the sliding cutouts. The two second cushions sandwich the flexible cable between the top support frame and a bottom support frame.

Abstract: An exemplary display device includes a display housing, a camera, a bracket and a transmission unit connected between the camera and the bracket. The transmission unit includes a camera rotation unit, a bracket rotation unit and a linkage unit. The camera rotation unit is fixed on the display housing and connected with the camera. The bracket rotation unit is fixed on the display housing and rotatably connected with the bracket. The linkage unit interconnects the camera rotation unit and the bracket rotation unit. When the display housing is rotated, the bracket rotation unit rotates in unison with the display housing relative to the bracket, the bracket rotation unit drives the camera rotation unit to rotate via the linkage unit, and the camera rotation unit drives the camera to rotate thereby adjusting an angle of the camera relative to the display housing.

Abstract: An exemplary gear transmission device includes a driving assembly including a driving shaft, a shaft coupling, a circular driving gear, a resilient mechanism and a driven gear engaging with the driving gear. The shaft coupling is fixed to the driving shaft and rotatable in unison with rotation of the driving shaft. The circular driving gear substantially surrounds and is operatively coupled to the shaft coupling and rotatable under urging of the shaft coupling. The resilient mechanism is held between the driving gear and the shaft coupling and is elastically deformable in circumferential directions of the shaft coupling. When the driving gear moves axially and collides with the driven gear without meshing with the driven gear, the driving gear rotates slightly relative to the shaft coupling thereby elastically deforming the resilient mechanism and the driving gear reaches a position where it can mesh with the driven gear.

Abstract: A motor for providing rotational movement along different directions simultaneously includes a stator, a rotor, a power shaft rotated together with the rotor, a first driving shaft, a first transmission gear located on the first driving shaft, a second driving shaft, and a second transmission gear located on the second driving shaft. The power shaft includes at least one driving gear located on an end portion of the power shaft. The first transmission gear and the second transmission gear engage with the driving gear to drive the first driving shaft and the second driving shaft to rotate, respectively.

Abstract: A buffering device for fixing a flexible cable includes a fixing part and a moving part. The two connecting ends of the flexible cable move relatively to each other. One of the connecting ends is connected to a circuit board. The fixing part defines two sliding cutouts fixed at two opposite sides of the flexible cable and adjacent to the connecting end of the flexible cable clamping and sandwich the flexible cable between the mount and the circuit board. The moving part includes a movable support and two second cushions. The movable support comprises a top support frame and a bottom support frame. The movable support is inserted into the sliding cutouts and moves back and forth in the sliding cutouts. The two second cushions sandwich the flexible cable between the top support frame and a bottom support frame.

Abstract: A supporting apparatus for support an object includes a base, a rotation shaft, and a holding structure. The base includes a first magnet. The rotation shaft is located on the base. The holding structure is rotatably connected to the base via the rotation shaft. The holding structure includes a second magnet corresponding to the first magnet. The first magnet and the second magnet are spaced from each other a predetermined distance.

Abstract: An exemplary motion sensing controller includes an infrared light detection module, a spherical light output member, and a processing unit. The infrared light detection module is configured for detecting infrared light and includes a lens module. The spherical light output member is configured for outputting infrared light. The infrared light detection module has a sensing surface configured for capturing images of the spherical light output member. The processing unit is electrically connected with the infrared light detection module. The processing unit is configured for receiving signals of the images of the spherical light output member, computing dimensions and positions of the images of the spherical light output member on the sensing surface, and computing positions of the spherical light output member with respect to the lens module based on the dimensions and the positions of the images of the spherical light output member on the sensing surface.

Abstract: A portable electronic device includes a housing defining a through hole, a barrel positioned in the housing, a lens fixed at an end of the barrel and a light detection unit fixed at the other end of the barrel away from the lens. The lens includes an imaging portion facing the light detection unit and an incidence portion facing the through hole. The incidence portion forms a reflecting surface angled relative to an optical axis of the imaging portion, such that light entering from the through hole through the incidence portion is then reflected by the reflecting surface and refracted by the imaging portion, and is then received by the light detection unit.

Abstract: An optical touch system includes a display screen having a contact surface, two infrared light sources emitting infrared light to cover the contact surface, two linear infrared sensors each having a sensing surface with a lengthwise direction thereof parallel to the contact surface, a processor, and a controller. Each linear infrared sensor captures an image of the contact surface with an infrared portion representing a touch area of a contact object, the image has an aspect ratio greater than that of the contact surface. The processor determines the touch location of the contact object based on the aspect ratios of the image and the contact surface, the location of the infrared portion on the image, the area of the infrared portion and the area of the touch portion of the contact object. The controller executes an instruction according to the determined location of the contact object.

Abstract: An optical touch system includes a display screen having a contact surface, two infrared light sources emitting infrared light to cover the contact surface, two linear infrared sensors each having a sensing surface with a lengthwise direction thereof parallel to the contact surface, a processor, and a controller. Each linear infrared sensor captures an image of the contact surface with an infrared portion representing a touch area of a contact object, the image has an aspect ratio greater than that of the contact surface. The processor determines the touch location of the contact object based on the aspect ratios of the image and the contact surface, the location of the infrared portion on the image, the area of the infrared portion and the area of the touch portion of the contact object. The controller executes an instruction according to the determined location of the contact object.

Abstract: An optical touch system includes a display screen having a contact surface, an infrared light source emitting infrared light to cover the contact surface, a linear infrared sensor having a sensing surface with a lengthwise direction thereof parallel to the contact surface, a processor, and a controller. The linear infrared sensor captures an image of the contact surface with an infrared portion representing a touch area of a contact object, the image having an aspect ratio greater than that of the contact surface. The processor determines the touch location of the contact object based on the aspect ratios of the image and the contact surface, the location of the infrared portion on the image, the area of the infrared portion and the area of the touch portion of the contact object on the contact surface. The controller executes an instruction according to the determined location of the contact object.

Abstract: An exemplary touch panel display includes a display panel, light source modules, and a camera. The display panel includes a touch surface. The light source modules are disposed on a periphery of the display panel. Light from the light source modules cooperatively forms a substantially planar illumination field. The camera is provided at a periphery of the display panel. When an object contacts or is adjacent to the touch surface, some of the light of the illumination field is reflected by the object to the camera.

Abstract: An exemplary gear transmission device includes a driving assembly including a driving shaft, a shaft coupling, a circular driving gear, a resilient mechanism and a driven gear engaging with the driving gear. The shaft coupling is fixed to the driving shaft and rotatable in unison with rotation of the driving shaft. The circular driving gear substantially surrounds and is operatively coupled to the shaft coupling and rotatable under urging of the shaft coupling. The resilient mechanism is held between the driving gear and the shaft coupling and is elastically deformable in circumferential directions of the shaft coupling. When the driving gear moves axially and collides with the driven gear without meshing with the driven gear, the driving gear rotates slightly relative to the shaft coupling thereby elastically deforming the resilient mechanism and the driving gear reaches a position where it can mesh with the driven gear.

Abstract: A liquid crystal display includes a main body, a screen positioned on the main body, a backlight module positioned in the main body and supplying light for the screen, a controller for controlling the brightness of the backlight module and an ambient light sensor positioned on the main body. The ambient light sensor includes a barrel, an optical sheet positioned at an end of the barrel and a photosensitive unit positioned at the other end of the barrel. The photosensitive unit creates a signal according to the ambient light received via the optical sheet, and sends the signal to the controller. The controller adjusts the brightness of the backlight module. The optical sheet includes a first surface, a second surface opposite the first surface and a plurality of V-shaped micro structures formed on the first surface.

Abstract: An exemplary handheld controller includes a shell, a gas pressure detecting member and a processing unit. The gas pressure detecting member is received in the shell and exposed to the ambient environment. The gas pressure detecting member is configured for detecting a pressure exerted by ambient air at the outside of the shell, and generating a signal relating to the pressure. The processing unit is electrically connected with the pressure detecting member. The processing unit is configured for receiving the signal, identifying a movement of the shell according to the signal, and generating an instruction based on the identified movement.

Abstract: An optical touch screen device includes a display panel, an infrared light source module, a number of elongated reflective plates, and an infrared image capture module. The display panel includes a display screen. The infrared light source module has a strip-shaped light output portion generally parallel with the display screen. The strip-shaped light output portion is arranged along an edge of the display screen and configured for outputting infrared light to illuminate the display screen. The elongated reflective plates are arranged along the other edges of the display screen. The reflective plates is configured for reflecting the light from the light output portion to the display screen, thereby the light from the light output portion and the reflected light cooperatively forming an infrared light field. The infrared image capture module is configured for capturing an image of the entire display screen.

Abstract: An image capturing device includes a lens module defining an optical axis, a holder defining an opening and a space communicating with the opening, an image processing unit received in the space, and an image sensor received in the space and fixed on the image processing unit. The holder is configured for receiving the lens module. The image processing unit is electrically connected to the image processing unit and inclined relative to the optical axis. The image sensor is configured for capturing images of objects. The optical axis passes through the center of the sensing surface of image sensor.

Abstract: An exemplary camera module includes a lens barrel defining an aperture for light entering the lens barrel and a lens received in the lens barrel. The lens includes a central optical portion aligned with the aperture of the lens barrel and a fixing portion around a periphery of the optical portion for fixing the lens in the lens barrel. An outside surface of the fixing portion of the lens is beveled relative to an optical axis of the camera module.

Abstract: A lens module includes a barrel and at least one lens. The barrel defines a through hole bounded by an inner circumference surface thereof. The inner circumference surface includes at least one first circumference latching surface. The at least one lens includes at least one second circumference latching surface corresponding to the at least one first circumference latching surface. One of the first circumference latching surface and the corresponding second circumference latching surface is a ring-shaped concave surface, and the other is a ring-shaped convex surface latchable with the ring-shaped concave surface.