Abstract: A cover configured to be attached to, and cover a portion of, a handheld electronic device. The cover includes a shell having a first side and a second side and a wireless charging receiver module connectable to the handheld electronic device. When attached to the handheld electronic device the first side of the shell faces the handheld electronic device. The wireless charging receiver module is positioned on the first side of the shell.

Abstract: A charging battery unit includes a receiving unit and a battery. The receiving unit includes a fixing member and a coil fixed on the fixing member. The coil receives external electromagnetic signals to generate induction currents. The battery is electrically connected to the coil and receives the induction currents generated by the coil. The present disclosure also relates an electronic device with the charging battery unit.

Abstract: The present disclose relates to a wireless charging device for charging a portable electronic device. The wireless charging device includes a charging panel, a transmitting unit and a heat dissipation unit. The charging panel includes a first surface and a second surface opposite to the first surface, the first surface supports the portable electronic device, and the portable electronic device includes a top surface away from the charging panel. The transmitting unit includes a coil for generating electromagnetic signals for charging the portable electronic device. The heat dissipation unit includes a base and a pressing portion connected to the base. The base thermally contacts the second surface of the charging panel, and the pressing portion thermally contacts the top surface of the portable electronic device.

Abstract: A cover configured to be attached to, and cover a portion of, a handheld electronic device. The cover includes a shell having a first side and a second side and a wireless charging receiver module connectable to the handheld electronic device. When attached to the handheld electronic device the first side of the shell faces the handheld electronic device. The wireless charging receiver module is positioned on the first side of the shell.

Abstract: The present disclose relates to a wireless charging device for charging a portable electronic device. The wireless charging device includes a charging panel, a transmitting unit and at least one adsorbent unit. The charging panel includes a first surface and a second surface opposite to the first surface. The first surface supports the portable electronic device. The charging panel defines a through hole through the first surface. The transmitting unit includes a coil for generating electromagnetic signals. The adsorbent unit extends through the through hole of the charging panel and adsorbs the portable electronic device.

Abstract: A mobile power assembly includes a battery coupled to a circuit, a signal receiving unit located at a side of the battery and coupled to the circuit, and a signal sending unit located at an opposite side of the battery and coupled to the circuit. The battery is charged by the signal receiving unit receiving signals, and the battery is discharged by the signal sending unit sending signals.

Abstract: A multi-function attachment includes a battery module including a frame, a circuit and an energy storage received in the frame; and a wireless charging module located at a side of the energy storage and coupled with the circuit, a space is defined in the frame to received the energy and the circuit therein, a window is defined on a side of the frame and an opening is defined on a top end of the frame, While the energy storage is received in the space of the frame, a side of the energy storage exposed toward the window and the edge of the window form a groove, and the wireless charging module is received in the groove and is coupled to the circuit.

Abstract: A wireless charging battery includes a battery module, a circuit mounted on an end of the battery module, a signal receiving unit located on a side of the battery module, and a signal controlling unit located at an opposite side of the battery module and coupled with the circuit. A plurality of ports is formed on a top side of the circuit, the signal receiving unit and the signal controlling unit are arranged independently. The signal controlling unit has a plurality of contacting points. An electric device having the wireless charging battery is also provided.

Abstract: A charging battery unit includes a receiving unit and a battery. The receiving unit includes a fixing member and a coil fixed on the fixing member. The coil receives external electromagnetic signals to generate induction currents. The battery is electrically connected to the coil and receives the induction currents generated by the coil. The present disclosure also relates an electronic device with the charging battery unit.

Abstract: The present disclose relates to a wireless charging device for charging a portable electronic device. The wireless charging device includes a charging panel, a transmitting unit and a heat dissipation unit. The charging panel includes a first surface and a second surface opposite to the first surface, the first surface supports the portable electronic device, and the portable electronic device includes a top surface away from the charging panel. The transmitting unit includes a coil for generating electromagnetic signals for charging the portable electronic device. The heat dissipation unit includes a base and a pressing portion connected to the base. The base thermally contacts the second surface of the charging panel, and the pressing portion thermally contacts the top surface of the portable electronic device.

Abstract: The present disclose relates to a wireless charging device for charging a portable electronic device. The wireless charging device includes a charging panel, a transmitting unit and at least one adsorbent unit. The charging panel includes a first surface and a second surface opposite to the first surface. The first surface supports the portable electronic device. The charging panel defines a through hole through the first surface. The transmitting unit includes a coil for generating electromagnetic signals. The adsorbent unit extends through the through hole of the charging panel and adsorbs the portable electronic device.

Abstract: The present disclose relates to a charging device for charging portable electronic devices. The charging device includes a transmitting unit, a receiving unit and an output port. The transmitting unit includes a first coil for generating electromagnetic signals for charging the portable electronic device. The receiving unit includes a charging panel and at least one second coil arranged on the charging panel. The at least one second coil receives the electromagnetic signals generated by the transmitting unit to generate induction currents. The output port is electrically connected to the receiving unit for outputting the induction currents. The portable electronic device is selectively electrically connected to the charging panel or the output port for charging.

Abstract: A heat dissipation apparatus includes a heat sink and a pair of first heat pipes. The heat sink includes a pair of first fin assemblies staggered with a pair of second fin assemblies. The first and second fin assemblies each define a receiving groove therein. The second fin assemblies each further defines an opening communicating with the receiving groove of a corresponding second fin assembly. The first heat pipes each include an evaporation section and a condensation section. A portion of the condensation section of each of the first heat pipes is inserted into the receiving groove of each of the first fin assemblies. The other portion of the condensation section of each of the first heat pipes is received in the receiving groove of each of the second fin assemblies through the opening.

Abstract: A heat dissipation apparatus includes a heat sink and a fan. The heat sink defines a recessed space at a center of a top end thereof, and an engaging groove in an inner circumference of the top end of the heat sink surrounding and communicating with the space. The fan includes a frame and an impeller assembled to the frame. A plurality of legs extends downwardly from the frame. Each of the legs includes a hook at a free end thereof. The hooks of the legs engage in the engaging groove of the heat sink for securely mounting the fan in the recessed space of the heat sink. Heat pipes extend through the heat sink and connect with a base.

Abstract: A memory module assembly (100) includes a memory card (200) having a right side surface (240) and a left side surface (220), a heat sink (400) and a heat pipe (500). The heat sink includes a base member (420) attached to the left side surface of the memory card and a shell (440) attached to the right side surface of the memory card and coupled to the base member. The base member includes a substrate portion (422) attached to the left side surface of the memory card and a support portion (424) extended from the substrate portion and supported on a top edge of the memory card. The heat pipe includes an evaporator (520) in thermal engagement with one of the shell and the substrate portion and a condenser (540) in thermal engagement with the support portion.

Abstract: A heat dissipation apparatus includes a heat sink and a heat pipe thermally connecting with the heat sink. The heat sink includes a plurality of radial fins. Each of the fins defines a receiving hole therein, and extends out a flange around the receiving hole. A height of the flange increases outwardly in a direction away from a center of the heat sink. The heat pipe includes an evaporation section and an arcuate condensation section. The condensation section of the heat pipe extends through the receiving hole, and is attached to the flanges of the heat sink.

Abstract: A heat dissipation apparatus includes a heat sink and a fan. The heat sink includes a plurality of radial first and second fins. The first and second fins each include a main body and an extension arm extending upwardly from the main body. The main bodies and the extension arms cooperatively form a space therebetween for securely receiving the fan therein. Each extension arm defines an engaging groove communicating with the space. A height of the extension arm of each second fin is less than that of the extension arm of each first fin. A fixing recess is defined over the extension arms of the second fins. The fan includes a frame extending downwardly out a plurality of legs and radially out a fixing arm. The legs have hooks engaging in the engaging grooves, and the fixing arm is fixed in the fixing recess.

Abstract: A heat dissipation apparatus includes a heat sink and a fan. The heat sink defines a recessed space at a center of a top end thereof, and an engaging groove in an inner circumference of the top end of the heat sink surrounding and communicating with the space. The fan includes a frame and an impeller assembled to the frame. A plurality of legs extends downwardly from the frame. Each of the legs includes a hook at a free end thereof. The hooks of the legs engage in the engaging groove of the heat sink for securely mounting the fan in the recessed space of the heat sink. Heat pipes extend through the heat sink and connect with a base.

Abstract: A heat dissipation apparatus includes a heat sink and a pair of first heat pipes. The heat sink includes a pair of first fin assemblies staggered with a pair of second fin assemblies. The first and second fin assemblies each define a receiving groove therein. The second fin assemblies each further defines an opening communicating with the receiving groove of a corresponding second fin assembly. The first heat pipes each include an evaporation section and a condensation section. A portion of the condensation section of each of the first heat pipes is inserted into the receiving groove of each of the first fin assemblies. The other portion of the condensation section of each of the first heat pipes is received in the receiving groove of each of the second fin assemblies through the opening.