Abstract: A positioning and calibration method is applied in the positioning and calibration of a projection system with touch control function. The projection system includes a touch device and a projection device. The touch device has touch plates, which can be combined and formed into a plane. The projection device has projection units, which project images onto projection areas of the plane, respectively, so as to form a projection image on the plane. The positioning and calibration method includes the steps of projecting positioning markers onto the plane by the projection device; disposing a calibration element at or around each of the positioning markers; and locating and calibrating the corresponding projection unit according to a positioning signal of the calibration element delivered by the touch device. The invention makes the projection system, having touch plates, projection units and the touch control function, have the good location function.

Abstract: A projection system with touch control includes a touch device, a projection device and a control module. The touch device has plural touch plates which can be combined to form a plane. The projection device has plural projection units which can project on the plane respectively so as to form a projection image on the plane. The control module is electrically connected with the touch plates and the projection units for controlling the projection device to change the projection image corresponsively as a user touches the projection image projected on the plane. Herein, the touch plates can be combined to form a plane, and the user can interact with the projection image projected on the plane.

Abstract: An electronic device includes a panel, a button assembly, and a circuit board. The panel defines an opening. The button assembly is mounted to the rear surface of the panel, and includes a button partially received in the opening of the panel, a base plate fixed to the rear side of the button, and a substantially U-shaped balance bar. The button includes a push portion and two protrusions rearwards extending through the base plate. An end of the balance bar is movably connected to the rear side of the base plate, and an opposite end of the balance bar is pivotably connected to the protrusions of the button. The circuit board is fixed behind the button assembly, and includes a switch aligning with the push portion of the button. When the button is pressed, the balance bar restricts the button to just move linearly to the switch.

Abstract: An electrical connector (100) includes a housing (1), a plurality of contacts (2) receiving in the housing, a metal shell (6), enclosing the housing and including two stopping tabs (620) formed at two sides of thereof, and two insulative cover (4,5), comprising cooperation structure (42) respectively to interfere with the two side of the stopping tabs and assembling to the metal shell along different directions.

Abstract: The backlight apparatus includes a light source module having a plurality of light sources connected in series, and a power supply module which generates a driving signal for driving the light source module according a synchronous control signal. A first switch is disposed between the light source module and power supply module, or between a last light source in the light source module and a reference voltage level. The first switch is turned on or off according to the synchronous control signal. In addition, a second switch determines whether or not to couple a function terminal of the power supply module to the reference voltage level to disable the driving signal without power off according to the synchronous control signal.

Abstract: A cable connector assembly (100) includes a first connector (1) used for transmitting power, a second connector (2) for transmitting signal, a cover (3) holding the first connector and the second connector, a cable (4) connected with the first connector and the second connector and a ferrule (12) mounted to the cover. The first connector has a body portion (111), the ferrule has a main portion (121) around the body portion of the first connector and a number of equally spaced spring tabs (123), the spring tabs are extending along a transverse direction and elastically pressing onto the body portion of the first connector.

Abstract: A wide-range reflective structure comprises a reflective case, a heat-sink metal frame, a heat conductive plate, and one control member for directing light beams. The heat conductive plate defines a recess for holding the heat-sink metal frame. The reflective case has a first inner curved reflective surface, a second inner curved reflective surface, a third inner curved reflective surface, and a fourth inner curved reflective surface. The reflective case is attached to the heat conductive plate, enclosing the heat-sink metal frame. The control member has two concave reflective surfaces. The first inner curved reflective surface has an inclination angle greater than the second inner curved reflective surface. The third inner curved surface has an inclination angle approximately equal to the fourth inner curved surface. As such, the inner curved reflective surfaces can cooperate with the control member to direct light beams from LEDs to a target more extensively and uniformly.

Abstract: An electrical connector assembly comprises: a housing, a plurality of conductive terminals received in the housing and arranged in two rows, each conductive terminal defining a front mating portion, a retaining portion retained in the housing, and an exposing portion located behind the housing, a PCB electrically connected to the conductive terminals, and having a number of through holes through an upper and a lower surfaces thereof; a metal shell enclosing the housing and the PCB; and a cable electrically connected to the PCB. At least a row of conductive terminals are bent and pass through the through holes, and two rows of exposing portions of the conductive terminals are soldered on a surface of the PCB.

Abstract: An annual packaging structure includes a heat sink having an installation surface; and a plurality of annular isolation walls being formed on the installation surface. Each of two opposite sides of each annular isolation wall has a light reflecting surface. Each installation hole is installed with an insulator material of which is selected from glass or other heat insulation material. Each section is installed with a plurality of LED dies; each LED die being electrically connected to a pin. A heat conduction base has an embedding groove for installing the heat sink. A lower bottom of the embedding groove is formed with a plurality of through holes positioned with respect to the installation holes. The pins are extended through the through holes and are limited by the insulators so that the pin are at a center portion for preventing short-circuit.

Abstract: A cable assembly (100) includes a first connector (1) for transmitting power; a second connector (2) for transmitting signal; a cover (3) holding the first connector and the second connector, the first connector and the second connector arranged in juxtaposed manner; and the first connector floatable with regarding to the cover, the second connector fixed to the cover.

Abstract: A cable assembly (100) includes at least one connector (1) for transmitting power signal or optical signal; a cover (3) holding the connector; a cable electrically or optically connected with the connector; and a switch device (5) located inside the cover, the switch device includes a switch member, a LED, and a button partially exposed outward of the cover; wherein when the button is pressed to actuate the switch member and the LED is lighted to emit light through the button.

Abstract: A fiber assembly (1000) includes a housing (1) having a base portion (10) and at least one mounting arm (12) extending beyond a front side of the base portion, the base portion defining a plurality passages along a front-to-back direction; a number of fibers (2) respectively extending into the passages for transmitting optical signal; a latching member (4) mounted to the housing, the latching member having at least one latching arm (41) extending along the front-to-back direction and disposed adjacent to the mounting arm; and a dustproof cap (200) disposed in front of the housing, the dustproof cap defining a corresponding slot for receiving the mounting arm and the latching arm.

Abstract: A high efficiency refraction body includes a light source chamber and a main refraction surface opposite to the light source chamber. A first refraction surface and a second refraction surface for refracting the lights are formed to a peripheral of the high efficiency refraction body. A light source is received to the light source chamber. Lights from the light source will be total reflected because the incident angles of the lights exceed a critical angle of the main refraction surface. The reflected lights will be refracted through the first refraction surface and the second refraction surface so as to pass a lateral of the refraction body. A uniform lateral illumination of the refraction body will correct the poor lateral illumination of LED light devices.

Abstract: An cable assembly includes an insulative housing having a main portion and a mounting arm extending rearwardly from the main portion, the mounting arm; a plurality of terminals; a cable having a plurality of wires connected to the plurality of terminals, respectively; a latching member including a connecting arm, a latching arm and a retention arm, the retention arm inserted into a positioning hole in the mounting arm, the connecting arm deflected outwardly; and an external cover enclosing the insulative housing and the latching member, the external cover having a deformable button for actuating the latching arm.

Abstract: A high power wide coverage light reflection lamp seat, comprises a reflecting cup opened at a lower side and an upper side thereof, inner lateral sides of the reflecting element being formed with high reflectivity surfaces; the upper side of the reflecting cup being formed with inclined light guiding edge surfaces; two deflection bodies being cross the upper side the light guiding edge surfaces; each deflection body being formed with a plurality of different inclined surfaces; the deflection bodies serving to deflect light passing therethrough; and a reflecting element installed within the reflecting cup; an outer side of the reflecting cup being formed with curved surfaces.

Abstract: A high efficiency refraction body includes a light source chamber and a main refraction surface opposite to the light source chamber. A first refraction surface and a second refraction surface for refracting the lights are formed to a peripheral of the high efficiency refraction body. A light source is received to the light source chamber. Lights from the light source will be total reflected because the incident angles of the lights exceed a critical angle of the main refraction surface. The reflected lights will be refracted through the first refraction surface and the second refraction surface so as to pass a lateral of the refraction body. A uniform lateral illumination of the refraction body will correct the poor lateral illumination of LED light devices.

Abstract: An electrical connector (100) comprises a first connector (1) and a second connector (2) electrically connected together by a printed circuit board assembly (3); a tubular shaped first shielding member (4) enclosing the printed circuit board assembly (3), partial of the first and second connector; a second shielding member (5) assembled to first shielding member and retaining the first connector and the second connector.

Abstract: A cable assembly includes an insulative housing, a number of contacts retained in the insulative housing and a metal shell covering the housing to form a receiving space with the tongue portion for receiving an electrical plug. The housing has a base portion and a tongue portion extending forwardly from the base portion. The contacts consist of two pairs of differential signal contacts and a pair of grounding contacts between the two pairs of differential signal contacts. Each contact has a contact portion. All contact portions are arranged in a row on one side of the tongue portion.

Abstract: An LED lamp structure includes a reflection cup, a metal heat sink for receiving a plurality of LEDs, and a heat conducting base. The heat conducting base has a slot for receiving the metal heat sink. The metal heat sink includes guiding planes for redirecting the output of an LED so as to change the angle of projected light. The metal heat sink is made of a good heat conductor with high thermal capacity so that heat produced by the LED is absorbed quickly and conducted to the heat conducting base. The reflection cup is flexed to an outer edge of the metal heat sink to provide a flat lighting characteristic.

Abstract: A sliding door assembly for an electronic device includes a carrier having a zone holding computerized connectors, a panel mounted to the bezel, a door slidably mounted between the bezel and the panel for selectively covering the zone, and two gears. One of the carrier and the panel comprises two racks. The gears are rotatably mounted to the door respectively and engage with the racks respectively.