Abstract: A portable power source includes a main body and a power button. The main body includes a receiving portion. The receiving portion defines a receiving groove and includes a protrusion received in the receiving groove. The protrusion includes a contact switch. The power button includes a button body and a latching arm. The button body pushes the contact switch to turn on/off the portable power source, and the latching arm rebounds the button body away from the contact switch.

Abstract: A chip card ejecting mechanism includes a base body, a push member, a rotating member and an elastic member resisting between the base body and the rotating member. The base body includes a guiding member defining a hole and having a number of guiding rails. Each guiding rail includes a resisting surface and a guiding surface. The push member includes a push rod extending through the hole and a number of active gears. Each active gear defines an active cooperative surface. The rotating member includes a number of the passive gears. Each passive gear includes a passive cooperative surface. When the push member is pressed toward the rotating member by a transient external force, the rotating member compresses the elastic member until the active cooperative surface arrives at the guiding surface, the elastic member releases and drives the passive cooperative gears to slide along the first sliding slot.

Abstract: In a method for dialing phone numbers using a portable communication device, the device includes a keypad including numeric keys and an LED driver. Each of the numeric keys is equipped with a first color LED light and a second color LED light. The LED driver drives the first LED light under each of the numeric keys to emit a first color light. The LED driver turns off the first LED light under the numeric key and turns on the second LED light under the numeric key to emit a second color light according to an LED control signal. The LED driver further turns off the second LED light and turns on the first LED light to emit the first color light when the digit input from the keypad is in a digital group.

Abstract: A mounting assembly for a chip card used in a portable electronic device includes a cover, an operating element, and a receiving member for receiving the chip card. One end of the operating element is slidably received in the cover, and the other end of the operating element is elastically resisted between the receiving member and the cover and is connected to the receiving member. The cover is pressed to expose the operating element and the operating element is pulled to allow the receiving member to move out of the portable electronic device.

Abstract: A device for vacuum-lifting workpieces includes a driving assembly, a rotating table, a plurality of suction assemblies mounted on the rotating table spaced from each other, and a vacuum pump. Each suction assembly includes a suction cup. An airflow guiding part is configured to align each suction cup with a vacuum when the suction cup is positioned above a picking station. The driving assembly makes the suction cups communicate with the airflow guiding part in succession. Each suction assembly is capable of picking a different type of workpiece, therefore the suction device can take the place of a plurality of individual manipulators.

Abstract: A surface treatment method for metal substrate includes: a metal substrate is provided; a first color layer is deposited on the metal substrate, the first color layer being a TiC layer or a TiN layer; a second color layer is deposited on the first color layer, the first color layer being a CrC layer or a CrN layer, the color of the first color layer being different from the color of the second color layer; forming a shielding layer on partially of the second color layer; electrochemical etching the metal substrate, the second color layer not covered with the shielding layer being removed to form a recessed portion, the recessed portion being extend through the second color layer. A coated article for manufactured by the surface treatment method is also provided.

Abstract: In a method of switching between phone numbers of a communication device, a Subscriber Identity Module (SIM) card of the communication device receives Location Area Identity (LAI) information. Upon receiving the LAI information, the SIM card determines whether a Mobile Country Code (MCC) of the LAI information is consistent with an MCC of International Mobile Subscriber Identity (IMSI) of an activated phone number. The communication device switches an inactivated phone number to be activated when the MCC of the LAI information is inconsistent with the MCC of the activated phone number.

Abstract: A connecting structure includes a housing and a nut. The housing defines a connecting hole. The nut includes a nut body. A helical section is formed around the nut body and forms a number of tilted ridges. A helical groove is defined between portions of the helical section. The nut body is rotatably received in the connecting hole, and the tilted ridges are embedded in the housing.

Abstract: A smart card securing mechanism for securing a first smart card and a second smart card includes a base, a first latching member, a second latching member, and an elastic sheet. The base includes a first connector. The first latching member is positioned on one side of the base. The second latching member includes a second connector and is positioned on another side of the base. The elastic sheet is mounted to the base. The first smart card is received in a space defined between the base and the first latching member. The second smart card is received in a space defined between the base and the second latching member. The elastic sheet abuts against the second smart card.

Abstract: A keyboard circuit includes a CPU, a plurality of keys aligned in n rows and m columns, n first resistors, m second resistors, a first voltage output terminal, a second voltage output terminal, and a detection resistor. A first contact of each of the plurality of keys in a column is electronically connected to the first voltage output terminal by a second resistor, and a second contact of each of the plurality of keys in the column is grounded by the detection resistor. The first contact of each of the plurality of keys in a row is electronically connected to the second voltage output terminal by a first resistor. The CPU is grounded by the detection resistor and the first voltage output terminal alternates with the second voltage output terminal to output a voltage under control of the CPU.

Abstract: In a method for locating WIFI devices adjacent to an electronic device, one or more WIFI devices adjacent to the electronic device are searched for within a signal strength range of the electronic device. The method establishes an X-Y coordinate system based on a horizontal line and an initial position of the electronic device, and calculates coordinate values of each of the WIFI devices based on the X-Y coordinate system according to a moving distance of the electronic device and a relative distance between the electronic device and each of the WIFI devices. The method further draws a distribution map of the WIFI devices according to the coordinate value of each of the WIFI devices, and displays the distribution map indicating the location of each of the WIFI devices on a display screen of the electronic device.

Abstract: A method for making a fiber board includes the steps of, providing a fiber sheet and positioning the fiber sheet in a mold, providing at least one plastic sheet and locating the plastic sheet on a surface of the fiber sheet. Heating and melting the plastic sheet to make the molten plastic penetrate into the fiber sheet, and hot pressing the fiber sheet and the molten plastic to form the fiber board. A fiber board made by the method is also described.

Abstract: A device housing includes a substrate and a color layer formed on the substrate. The color layer consists substantially of titanium zirconium carbonitride. The color layer has an L* value between about 70 to about 80, an a* value between about 10 to about 15, and an b* value between about 22 to about 30 in the CIE LAB color space. The color layer provides a yellow color for the device housing. A method for making the device housing is also described.

Abstract: A paint composition contains polyurethane paint and nano silicon dioxide. The weight percentage of the nano silicon dioxide in the paint composition is about 2% to about 10%. The surface of the nano silicon dioxide chemically bonds with a silane coupling agent having amino function groups or an aluminate coupling agent having amino function groups.

Abstract: An electronic device sets run types and startup information for applications within the electronic device, where each run type is associated with a signal triggered by a hardware component of the electronic device and the startup information of each application comprises a run type and a starting time of the application. In response to detecting a signal triggered by a hardware component of the electronic device, and having an application having a run type associated with the signal, the electronic device further determines if a time of triggering the signal accords with a starting time of the application. The application is started if the time of triggering the signal accords with the starting time of the application.

Abstract: A housing of an electronic device includes a main body and an antenna formed in the main body. The main body includes an outer surface and an inner surface. The outer surface defines a groove therein. The antenna includes an antenna portion received in the groove, and a connecting portion received in the inner surface of the main body. The connecting portion is connected to the antenna portion.

Abstract: A connecting structure includes a first metal plate, a second metal plate, a rivet, and two sealing members. The first metal plate defines a through hole, and the second metal plate defines an engaging hole aligned with the through hole. The rivet includes a head portion, a rivet body, and a latching end integrally formed together. An annular slot is defined between the rivet body and the latching end. The rivet body and the latching end have a larger diameter than the through hole. The head portion and the rivet body are received in the engaging hole, and the latching end extrudes an inner wall of the through hole to form an annular latching projection received in the annular slot. The two sealing members seal the through hole and the engaging hole.

Abstract: A method for forming pattern on substrate comprises steps of: providing a metal substrate; amorphousizing the metal substrate to from an amorphous pattern layer in the metal substrate; etching the metal substrate and forming an etching portion in the surface of the metal substrate which is not covered with the amorphous pattern layer. The article manufactured by the method is also provided.

Abstract: An overvoltage protection circuit is configured to protect a battery pack from overvoltage when the battery pack is in charge. The overvoltage protection circuit includes a power supply, an overvoltage protection chip, a controller and switching circuit. The power supply is configured to charge the battery pack. The overvoltage protection chip is electronically connected between the power supply and the battery pack, the overvoltage protection chip comprising a voltage detection pin. The controller is electronically connected to the battery pack and configured to detect whether the battery pack is a high voltage type battery pack or a normal voltage type battery, and outputting corresponding control signals according to the detection. The switching circuit comprises a switch and two voltage dividing circuits, the switch connecting a corresponding voltage dividing circuit to the positive pole of the battery pack and the voltage detection pin under control of the control signal.

Abstract: A chip card holder includes a housing, a receiving frame, a tray, and a pin. The housing defines a latching groove. The receiving frame is mounted to the housing, and the receiving frame includes at least one ejecting arm. The tray is slidably received in the receiving frame and defines a receiving groove configured for receiving a chip card. The tray includes a latching tongue. When the tray is received in the receiving frame, the latching tongue is latched in the latching groove, and the ejecting arm abuts against one end of the tray. The pin deforms the latching tongue to unlock the tray from the housing.