Abstract: An electroplating method includes steps of: providing a substrate having a first portion and a second portion connected to the first portion; forming a metallic layer on a surface of the second portion; immersing the first portion of the substrate in an electrolyte solution, applying a current to the metallic layer to electroplate the first portion of the substrate with a metal layer; and moving the substrate in a direction away from the electrolyte solution during electroplating the first portion of the substrate. The method can improve a uniformity of the obtained plating layer.

Abstract: An LED includes a substrate having a substantially flat substrate surface, a plurality of electrodes extending through the substrate, an LED chip configured for emitting light, a first and a second coplanar reflective layers formed on the surface, and a light pervious encapsulation member mounted on the substrate surface. The light pervious encapsulation member covers the LED chip and the first reflective layer and a portion of the second reflective layer. The LED chip is mounted on the substrate surface and electrically connected with the electrodes. The first reflective layer and the second reflective layer are configured for reflecting the light emitted from the LED chip.

Abstract: A low profile connector for mounting on a PCB comprising: an insulative housing, a plurality of terminals, a shielding shell and an auxiliary member. Each terminal is provided with a contacting section and a solder portion extending beyond insulative housing for connecting with the PCB. The shielding shell defines a mating opening surrounding the contact portion, and the auxiliary member defines a main portion attached to a bottom surface of the shielding shell and at least one horizontal portion located at one end thereof for mounting on an upper surface of the PCB. The shielding shell further includes a vertical portion perpendicular to the horizontal portion for inserting a hole of the PCB, and the horizontal portion of the auxiliary member has a concavity for receiving the vertical portion which decreasing space that the connector located on the PCB.

Abstract: A control circuit for traffic light includes a pulse control circuit, a control switch element, a control drive circuit, a power source, and an LED. The pulse control circuit includes a control chip is capable of outputting a low level signal and a pulse-width modulation (PWM) signal by turns. The duration of the low level signal is longer than that of the PWM signal. The control drive circuit for receiving the signals output from the control chip and controlling the control switch element. The LED is connected to the power source via the control switch element. The switch element is configured to control the power source to supply power to the LED when the signals output from the control chip are high, and does not supply power to the LED when the signals output from the control chip are low.

Abstract: A socket connector (100) adapted for electrically connecting a package to a printed circuit board comprises a substrate (2) and a plurality of contacts (3), the substrate (2) comprises a top surface (21), a bottom surface (22) opposite to the top surface (21) and a plurality of passageways (211) impenetrate the top surface (21) and the bottom surface (22), the contact (3) is partly received in the passageway (211) and comprises a body portion (31), at least one leg (33) extends downwardly from the body portion (31) and a spring arm (32) extends upwardly from the body portion (31), the body portion (31) is attached to the top surface of the substrate (2) and the leg (33) goes through the passageway (211) to position the contact (3) on the substrate (2).

Abstract: A portable electronic equipment includes a main body, a display screen, an orientation sensing module and a display controlling module. The display screen is arranged on the main body for displaying an image in an original orientation. The orientation sensing module includes a first elongated chamber, a first sensing unit, a second sensing unit, an opaque medium partially filled in the first elongated chamber and an air pocket received in the first elongated chamber. The display controlling module is configured for deviating the displayed image at a given angle clockwise or counterclockwise from the original orientation of the image.

Abstract: A burn-in socket assembly for receiving an IC package has a base defining a cavity for receiving the IC package and a loading member retained in the cavity. The loading board has a bottom plate for loading the IC package, a plurality of positioning clumps and a plurality of positioning tabs. The bottom plate defines a plurality of passageways. The positioning clumps are assembled upon the bottom plate, and the positioning tabs detachably insert into corresponding passageways of the bottom plate from the bottom to the top to retain the positioning clump to the bottom plate. The positioning clumps cooperatively define a rectangular opening for positioning the IC package.

Abstract: An exemplary switching regulator, is provided. The switching regulator includes an oscillator, a PWM logic controller, an inductor, a capacitor, a switch, a driver, a current sense amplifier, and a minimum power pulse width generator. The current sense amplifier and the minimum power pulse width generator compose a first feedback loop for generating a first feedback signal to the PWM logic controller.

Abstract: An optical lens (10) includes an array of lens units (11). Each lens unit includes a main body (101), a light diverging portion (112) and a light converging portion (114). The main body includes a light incident surface (110) and a light emitting surface (112) opposite to the light incident surface. The light diverging portion is used to expand a light field along an x-direction. The light converging portion is used to compress a light field along a y-direction. In specific embodiments, the light diverging portion and the light converging portion are respectively formed on the light incident surface and the light emitting surface.

Abstract: A cutting machine is configured for cutting an injection molded original product. The injection molded original product has a component and stub bar connected to the component. The cutting machine includes a base portion, a supporting arm attached to the base portion, and a cutting device coupled to the supporting arm. The cutting device includes an electrothermal cutting line for cutting the component off the stub bar.

Abstract: A video communication device includes an image capturing module for capturing a video image, and an image processing system. The image processing system includes a face detection module, and a processing module. The face detection module detects a face region and a head region corresponding to the face region in the video image. The processing module generates a processed video image by masking all areas of the video image except the head region, and outputs the processed video image.

Abstract: An imaging device includes a lens module and a printed circuit board. The lens module includes a substrate with a lens unit and an imaging sensor mounted on a same side thereof. The substrate defines a groove therein. The printed circuit board defines a recessed portion accommodating the substrate therein, and includes a locking member engaging in the groove to detachably secure the lens module thereto.

Abstract: An automatic warning and breaking system for a vehicle, includes a plurality of cameras, a motion sensor, a data process unit, an alarm unit, a control unit and an adjustor unit. The cameras are for capturing images of objects inside and outside of the vehicle. The motion sensor unit includes at least an acceleration sensor and a gyro sensor, configured for sensing motion of the vehicle. The data process unit is electrically connected to the cameras and the motion sensor unit, configured for processing data from the respective cameras and the motion sensor unit. The alarm unit is connected to the data process unit, configured for giving a warning signal if a data processing result is unsafe. The control unit is configured for generating a control signal based on the warning signal. The adjustor unit is configured for adjusting a break unit of the vehicle based on the control signal.

Abstract: An exemplary grinding method includes, firstly, providing a holding device including a first rotatable pressing portion and a second rotatable pressing portion, and providing a base. Then a number of workpieces are placed into a groove of the base. Two blocking members identical in shape are placed in the groove, with the workpieces therebetween. The blocking members are moved towards the workpieces to closely align with the workpieces. The sizes of the blocking members are compared with that of each workpiece, and then the blocking members are removed. If the workpieces are larger than the blocking members, the workpieces are thereafter held between the first and second pressing portions. Next, the base is removed and the first and second pressing portions are driven to rotate. Subsequently, the workpieces are ground, and then a number of finished products are obtained.

Abstract: A receptacle connector including at least three mating interfaces is provided and includes an insulative housing with a first and second groups of contacts mounted thereon. The first group of contacts serve as first Interface (USB 2.0), and a second group of contacts alternatively serve as mating interface of second and third interfaces (ESATA and USB 3.0). A switching board is provided and includes mounting interface of the second and the third interfaces. A shuttle member is moveably disposed within the housing and selectively interconnects the second group of contacts with either the mounting interface of the second interface or mounting interface of the third interface.

Abstract: An apparatus for grinding a threaded portion of a workpiece, is provided. The threaded portion has a spiral groove formed therein. The apparatus includes a motor, a grinding cord, a detector and a controller. The motor has a rotary portion for rotating the threaded portion of the workpiece about an axis. The grinding cord is configured for being looped around the threaded portion of the workpiece with a middle part thereof engagingly received in a given portion of turns of the spiral groove for grinding the thread portion of the workpiece. The detector is for detecting a rotating cycle of the rotary portion. The controller is communicatively coupled to the detector for controlling the rotary portion to selectively rotate in a first rotating direction or in a reverse second rotating direction based on the received signal from the detector.

Abstract: A cooling system for cooling down a heat source of a projection device is disclosed. The cooling system includes a fan, and a control module. The control module is configured for supplying a first voltage to the fan for a first duration after the projection device is powered off and a second voltage to the fan for a second duration successive to the first duration. The second voltage is greater than the first voltage.

Abstract: A method for manufacturing a printed circuit board (PCB) having different thicknesses in different areas includes: providing a first substrate having two lateral unwanted portions bounded two imaginary boundary lines, a binder layer having a through opening and a second substrate having a mounting area for mounting electronic elements; forming two slots bounded the imaginary boundary lines in an intermediated unwanted portion of the first substrate corresponding to the mounting area; laminating the first and second substrates, and the binder layer with the mounting area exposed via the through opening; filling the two slots and the through opening with a filling material, thereby obtaining a semifinished PCB board; cutting the semifinished PCB board along the imaginary boundary lines to remove the two lateral unwanted portions and a portion of the second substrate corresponding to the two lateral unwanted portions; and removing the intermediate unwanted portion and the filling material.

Abstract: An exemplary electronic dinosaur toy includes a body, a neck, four legs, a tail, a head, four first actuators, and four pressure sensors. The neck, the legs and the tail are connected to the body. The head is connected to a distal end of the neck. The four first actuators are arranged inside the respective legs and configured for driving the corresponding leg to move. The four pressure sensors are arranged at distal ends of the respective legs, and configured for sensing a variation of a pressure applied to the leg and outputting a feedback signal. Thereby, the first actuator adjusts a movement of the leg based on the feedback signal.

Abstract: An exemplary projector includes a power supply circuit, a heat dissipation device, a rechargeable cell and a first switching circuit connected between the heat dissipation device and the rechargeable cell. The heat dissipation device is configured for dissipating heat produced by the projector. The power supply circuit is configured for powering the heat dissipation device. The rechargeable cell is configured for receiving and storing electrical power from the power supply circuit. The first switching circuit is configured for controlling the rechargeable cell to power the heat dissipation device when the power supply circuit stops powering the heat dissipation device. A related heat dissipation system is also provided.