Abstract: An optical system for a liquid crystal on silicon (LCoS) projector includes a light emitting diode (LED) array, a light guide plate (LGP), and a polarization cube beam splitter (PBS). The LED array emits a beam of light. The LGP and the PBS are arranged along the optical path of the beam of light. The LGP includes an incident surface directly facing the LED array, an emitting surface, and an array of microstructures formed on the emitting surface. The PBS includes a side surface directly facing the emitting surface and an array of collimator lenses formed on the side surface. The microstructures are positioned at a focal surface of the collimator lenses.

Abstract: An optical encoder includes an optical encoding disc, a light source module, a motor, and an optical detection system. The optical encoding disc includes a plurality of concentric annular tracks. Each track includes a plurality of coding units. Each coding unit includes a light converging portion and a light diverging portion. The light converging portions and the light diverging portions are arranged alternately along a circumferential direction of the optical encoding disc. The motor is configured for driving the optical encoding disc to rotate. The optical detection system includes a plurality of photo-detectors arranged in a line parallel to a radius of the optical encoding disc. Each photo-detector is corresponding to each track of the optical encoding disc respectively. Each photo-detector is configured for receiving the light beam transmitted through the corresponding track, and generating a voltage according to an intensity of the received light beam.

Abstract: A camera module includes a lens assembly and a baseboard assembly mounted on the lens assembly. The lens assembly includes a lens, a barrel receiving the lens, and a support member receiving the barrel. The baseboard assembly includes a circuit board and an image sensor on the circuit board. The baseboard defines a friction surface at a side surface thereof.

Abstract: A game console includes a console main body and at least one game controlling device for inputting commands to the console main body. The at least one game controlling device is configured for selectively operating in an assembled mode where the at least one game controlling device is mechanically and communicatively coupled to the console main body, or in a dissembled mode where the at least one game controlling device is detached from the console main body and is communicatively coupled to the console main body.

Abstract: A microphone device includes an enclosure, a nontransparent supporter, a light source, an annular-shaped optical sensor, a lens and a vibrating membrane. The enclosure has a bottom portion and a sidewall extending from the bottom portion. An opening is defined in the enclosure and opposite to the bottom portion. A nontransparent supporter is enclosed in the enclosure and positioned on the bottom portion. A passage is defined in the supporter, and has a first aperture and a second aperture at two opposite ends. The first aperture is adjacent to the bottom portion. The light source is positioned on the bottom portion, received in the passage and adjacent to the first aperture. The optical sensor is positioned on the supporter. The lens is received in the optical sensor and positioned on the supporter and covers the second aperture. The vibrating membrane is supported on the sidewall.

Abstract: An image capturing device includes an adjustment assembly and two camera modules. The adjustment assembly includes a base, a driving member fixed on the base, and two supporting boards. The driving member includes an elastic connecting board having two ends connected to the base, a rigid board fixed to the elastic connecting board facing the base, and a cam rotating unit positioned between the base and the rigid board. The cam rotating unit abuts the rigid board and is rotatable to cause the rigid board to move toward or away from the base. The two supporting boards are attached to the elastic connecting board opposite to the base and spaced apart from each other. The two camera modules are fixed to the two supporting boards respectively.

Abstract: A stereoscopic display device is provided for displaying a 3-dimentional image including a first slice, a second slice and a third slice arranged in the order written. The stereoscopic display device includes a first LCD, a second LCD, and a number of distance adjusting members between the first and second LCDs. Each distance adjusting member includes two magnetic elements. The two magnetic elements are aligned with each other and fixed to the first and second LCDs, respectively. One of the two magnetic elements is an electromagnet. The two magnetic elements are configured for cooperatively creating repulsion forces and attractive forces applied between the two LCDs such that the first LCD is reciprocally moved relative to the second LCD between a first position where the first LCD displays a contour of the second slice and a second position where the first LCD displays a contour of the third slice.

Abstract: A thermal acoustic speaker comprises a body and a thermoelectric converter. The body comprises a shell with at least one hole and a side with a sound hole. The shell defines a sound cavity in the body. The thermoelectric converter, disposed around at least a part of the shell, comprises a circuit and a conductive membrane and covers at least a part of the at least one hole. The circuit receives at least one electrical audio signal. The conductive membrane contacts a part of the circuit so that the thermoelectric converter heats air in the sound cavity to emit sound.

Abstract: An accelerometer includes a substrate having a surface and a movable electrode. The movable electrode is mounted on the surface of the substrate and movable along an axis substantially parallel to the surface of the substrate in response to acceleration. A light-permeable region is defined in the movable electrode. A plurality of photosensitive regions and a plurality of non-photosensitive regions are defined in the surface of the substrate. The photosensitive regions and the non-photosensitive regions are spatially separated. The light-permeable region overlies only a portion of one of the non-photosensitive regions when at rest, and the light-permeable region overlies a portion of at least one of the photosensitive regions when the accelerometer is subjected to acceleration, such that the corresponding photosensitive region generates an output current.

Abstract: An exemplary camera module array includes lens modules, a first holder, image sensors, a second holder, an optical element, and an image processor. The lens modules are threadedly coupled to the first holder. The image sensors are in optical alignment with the lens modules in one-to-one relation. The image sensors are received in the second holder. The optical element is sandwiched between the first holder and the second holder. The image processor is electrically connected with the image sensors. The image processor is configured for processing image signals from the image sensors and thereby obtaining a compound image.

Abstract: An exemplary light source module includes a flexible printed circuit board (FPCB), a number of light emitting diodes (LEDs), and a light guide plate (LGP). The LEDs are mounted on the PCB, which is capable of switching each of the LEDs on and off. The LGP includes a light input surface and a number of light output surfaces. The light input surface is opposite to the LEDs. The LEDs face the light input surfaces, and at least one light guide structure is defined at the light input surface so that a majority of light beams from each LED pass substantially perpendicularly through a corresponding portion of the at least one light guide structure and exit from a corresponding light output surface.

Abstract: A portable electronic apparatus includes a main body, a camera device, and a supplementary light device. The camera device and the supplementary light device are fixed on the main body. The supplementary light device includes a light module, a lens module, and a motor. The light module includes a circuit board, a light source, and a heat sink opposite to the light source. The lens module includes a lens barrel and a plurality of lenses received in the lens module. The motor drives the lens module to change the intensity distribution of the light from the light module.

Abstract: A light guide plate mold is configured for manufacturing a light guide plate having a number of microstructures. The light guide plate mold includes a substrate and a number of heating members. The substrate defines a number of grooves therein. The heating members are respectively received in the grooves. Each heating member has a height less than a depth of the corresponding groove. The grooves and the heating members cooperatively define a number of receiving spaces for forming the microstructures of the light guide plate.

Abstract: A light emitting module includes a light source, a light guide plate, and a reflecting mask. The light source includes a circuit board and a light emitting device fixed on the circuit board. The light emitting device includes a plurality of light emitting elements and a control circuit. The light guide plate receives light from the light emitting device and exits from the light guide plate, includes a plurality of light emitting sidewalls, a plurality of reflection walls, and a receiving hole defined in the light guide plate. The receiving hole includes a plurality of light incident sidewalls. The reflecting mask covers the receiving hole, including a bottom surface and a plurality of reflecting surfaces.

Abstract: A camera module includes a holder, a barrel, an image sensor module, and a printed circuit board. The barrel receives lenses. The barrel is received in the holder. The image sensor module includes a substrate and an image sensor. The substrate is positioned at one side of the holder. The image sensor is mounted on the substrate and aligned with the lenses. First solder pads are positioned in the substrate. The first solder pads are electrically coupled to the image sensor. The printed circuit board includes second solder pads. The second solder pads are electrically coupled to the first solder pads. The printed circuit board is positioned at an exterior surface of the holder.

Abstract: A portable electronic device includes a main body, an image capturing module, a facial recognition module, a fortune telling database, a fortune calculating module, and a display screen. The image capturing module is mounted on the main body and is configured for capturing a portrait image of a user. The facial recognition module is configured for extracting facial features from the portrait image. The fortune telling database is for storing fortune telling data. The fortune calculating module is configured for analyzing the extracted facial features using a predetermined algorithm and searching the fortune telling database according to the analyzed result, thereby retrieving a fortune data the associated with the extracted facial features from fortune telling database. The display screen is for displaying the fortune data.

Abstract: An exemplary image capture unit includes a light guide plate, a camera module, and a driving unit. The light guide plate includes a first wedge-shaped portion, a second wedge-shaped portion, and an intermediate portion connecting to the first wedge-shaped portion and the second wedge-shaped portion. The intermediate portion has a uniform thickness. The camera module faces the light guide plate. The camera module has an optical axis associated therewith. The driving unit is configured for driving the light guide plate to move relative to the camera module to selectively align the camera module with the first wedge-shaped portion, the second wedge-shaped portion, or the intermediate portion.

Abstract: An exemplary portable electronic device includes a main body and a battery therein. The main body has a wind power generating and charging module mounted therein. The wind power generating and charging module includes a wind turbine generator and a control circuit. The control circuit is configured for controlling the wind generator to charge the battery.

Abstract: A camera module includes a lens, an image sensor, a carrier carrying the image sensor, two spring supporting members, a frame, a base and a printed circuit board. The carrier has a comb-shaped first electrode having a number of first teeth. The carrier is suspended in the frame by the two spring supporting members, and is movable in a direction perpendicular to a surface of the image sensor. The base has a comb-shaped second electrode having a number of second teeth. The first teeth and second teeth are arranged in a staggered fashion. The printed circuit board provides a potential difference between the first and second electrodes, whereby an electrostatic force is generated between the first and second teeth to drive the first teeth to move towards the second teeth.

Abstract: An exemplary camera module includes a barrel, a holder engaged with the barrel, a first lens received in the barrel, an image sensor received in the holder and a second lens received in the holder. The holder includes an inner chamber. The second lens is mounted on the holder proximate to the image sensor. The second lens is configured for preventing dust accessing into the inner chamber. The second lens includes a main body and an infrared cut film formed on and in contact with an outside surface of the main body or embedded within the main body.