Abstract: An electronic assembly includes a casing structure defining an interior space for receiving at least one electronic component, an exterior space isolated from the interior space and a heat dissipating path along which heat generated by the electronic component is expelled from the interior space to the exterior space. The casing structure includes a first casing part and a would-be coupling unit. The first casing part includes an engagement unit having a bottom seat extending into the interior space and defining at least one flow passage along the heat dissipating path and a first coupling member projecting from the bottom seat. The would-be coupling unit includes a second coupling member coupled to the first coupling member within the interior space.

Abstract: A measuring system for testing and measuring a wireless communication apparatus includes a plurality of first probes, a plurality of second probes, and a control module. The first probes are arranged to face toward a first side of the wireless communication apparatus for testing and measuring a plurality of first test points provided on the first side of the wireless communication apparatus. The second probes are arranged to face toward an opposite second side of the wireless communication apparatus for testing and measuring a plurality of second test points provided on the second side of the wireless communication apparatus. The first and second probes detect wireless signals of the wireless communication apparatus via the first and second test points, respectively. The control module is electrically connected to the first probes and the second probes for receiving a plurality of measuring signals transmitted from the first and the second probes.

Abstract: The present invention discloses a structure of a single-sided PCB within an ExpressCard with SMD LEDs arrangement formed thereon. The SMD LEDs are act as status indicators for the electronic devices with small, thin and compact size. The structure is expected to form SMD LED illuminating light to the top surface of the PCB with SMD LEDs connecting to the bonding pads on the bottom surface of the PCB. The method comprises forming through-holes on the PCB, placing SMD LEDs over the through-holes with their illuminating heads facing toward the top surface of the PCB, soldering the SMD LEDs with the bonding pads on the bottom surface of the PCB.

Abstract: A universal antenna adapter suitable for engaging with a fixed antenna and a detachable antenna is provided. The universal antenna adapter comprises a circular opening, a latching hook structure and a fixed spring plate. The latching hook structure is set around the circular opening for interfering with a latching spring plate on the fixed antenna. The fixed spring plate is set on an interior surface of the universal antenna adapter. The fixed spring plate engages with an antenna connector of the detachable antenna so that the antenna connector is prevented from moving forward and backward. The latching hook structure comprises a pair of symmetrical split sections for gripping and latching the antenna connector so that the antenna connector is prevented from rotation and up/down movement.

Abstract: A dual frequency band inverted-F antenna used for communicating a low frequency signal and a high frequency signal includes a substrate, a ground metal, a vortical metal structure, a short circuit leg, a feeding leg, and a terminal micro strip. The ground metal and the terminal micro strip are formed on the lower surface of the substrate. The vortical metal structure, formed on the upper surface of the substrate, further has a short circuit end and an open circuit end. The short circuit leg connects electrically the short circuit end of the vortical metal structure with the ground metal. The feeding leg extends along a predetermined direction of the vortical metal structure to couple with a feeding circuit on the substrate. The terminal micro strip connects electrically to the open circuit end through a first conductive aperture.

Abstract: A multi-frequency printed antenna includes an insulating substrate, a feed strip, a ground strip, and a plurality of radiating and grounded conductive strips. The insulating substrate has a first surface and a second surface opposite to the first surface. The feed strip and the plurality of radiating conductive strips are formed on the first surface while the ground strip and the plurality of grounded conductive strips are formed on the second surface. The radiating conductive strips together with the grounded conductive strips form a multi-resonant mechanism to achieve a multi-frequency antenna radiation.

Abstract: A dual-band antenna includes a multi-layer substrate and metal strips formed on different layers of the multi-layer substrate. The multi-layer substrate includes at least a first substrate and a second substrate. The metal strips include a first metal strip, a second metal strip, and a sleeve structure. The first metal strip formed on the first substrate further includes a first feeding end and a first open circuit end. The second metal strip formed on the second substrate further including a second feeding end, a vortical metal structure and a second open circuit end, wherein the second feeding end connects the first metal strip through a first conductive via. The sleeve structure formed on the multi-layer substrate by skirting the first metal strip is electrically isolated.

Abstract: An array planar antenna structure comprises a substrate, wherein a plurality of planar antennas which respectively have a signal end and a ground end are mounted on the top surface of the substrate, a feeding micro strip conducting wire which is mounted on the surface of the substrate and has a plurality of feeding conducting wires respectively connected with each signal end of the planar antennas, and a ground micro strip conducting wire which is parallel to the feeding micro strip conducting wire and has a plurality of ground conducting wires respectively connected with each ground end of the planar antennas.

Abstract: A dual frequency band inverted-F antenna used for communicating a low frequency signal and a high frequency signal includes a substrate, a ground metal, a vortical metal structure, a short circuit leg, a feeding leg, and a terminal micro strip. The ground metal and the terminal micro strip are formed on the lower surface of the substrate. The vortical metal structure, formed on the upper surface of the substrate, further has a short circuit end and an open circuit end. The short circuit leg connects electrically the short circuit end of the vortical metal structure with the ground metal. The feeding leg extends along a predetermined direction of the vortical metal structure to couple with a feeding circuit on the substrate. The terminal micro strip connects electrically to the open circuit end through a first conductive aperture.

Abstract: A wireless network structure comprises a number of node apparatuses and a backbone. The node apparatuses are distributed within a specific range of distance, wherein each of the node apparatus comprises a number of wireless bridge modules, a router and a converter. The wireless bridge modules have specific transmission frequency for transmitting packets. The router is connected to the wireless bridge modules. The converter is connected to the router and to a user-end system. The backbone network is applied for transmitting the packets outward the wireless network structure.

Abstract: A dual-band antenna includes a multi-layer substrate and metal strips formed on different layers of the multi-layer substrate. The multi-layer substrate includes at least a first substrate and a second substrate. The metal strips include a first metal strip, a second metal strip, and a sleeve structure. The first metal strip formed on the first substrate further includes a first feeding end and a first open circuit end. The second metal strip formed on the second substrate further including a second feeding end, a vortical metal structure and a second open circuit end, wherein the second feeding end connects the first metal strip through a first conductive via. The sleeve structure formed on the multi-layer substrate by skirting the first metal strip is electrically isolated.

Abstract: A multi-frequency printed antenna includes an insulating substrate, a feed strip, a ground strip, and a plurality of radiating and grounded conductive strips. The insulating substrate has a first surface and a second surface opposite to the first surface. The feed strip and the plurality of radiating conductive strips are formed on the first surface while the ground strip and the plurality of grounded conductive strips are formed on the second surface. The radiating conductive strips together with the grounded conductive strips form a multi-resonant mechanism to achieve a multi-frequency antenna radiation.

Abstract: An improved planar inverted F-type antenna comprises a metal ground plane having a feeding metal bore formed thereon, and a flat metal plate in parallel with the metal ground plane. The flat metal plate further includes an open circuit end and a short circuit end and provides a feeding leg to pass through the feeding metal bore. The short circuit end connects the metal ground plane through a short circuit leg. The distance between the open circuit end and short circuit end of the flat metal plate is proximate a quarter of wavelengths. The flat metal plate is formed as an open-short circuit trapezoid-shaped structure. The trapezoid-shaped structure increases operative bandwidth of the antenna.

Abstract: An array planar antenna structure comprises a substrate, wherein a plurality of planar antennas which respectively have a signal end and a ground end are mounted on the top surface of the substrate, a feeding micro strip conducting wire which is mounted on the surface of the substrate and has a plurality of feeding conducting wires respectively connected with each signal end of the planar antennas, and a ground micro strip conducting wire which is parallel to the feeding micro strip conducting wire and has a plurality of ground conducting wires respectively connected with each ground end of the planar antennas.

Abstract: A computer peripheral device with the functions of a radio, a microphone, and a mouse consists of a USB control interface, a mouse circuit, a radio circuit, and a microphone. The USB control interface has a USB port for being connected to a computer. The mouse circuit and the radio circuit are connected to the USB control interface. The radio circuit consists of a phase lock loop, a frequency modulation circuit, an antenna, and an audio processing unit. The microphone circuit is connected to an audio processing unit. By the aforementioned structure, a coordinate signal is outputted from the USB control interface through the mouse circuit for controlling a computer program. The radio program serves to control the radio circuit through the USB control interface for receiving the broadcast program from a radio broadcasting station.

Abstract: A radio communication apparatus equipped with temperature control function consists of a circuit board, a metal lid and a heater. The circuit board has a surface mounted with a plurality of electronic elements for processing and converting radio signals. The metal lid is coupled with the circuit board for encasing the electronic elements. The heater has a thermo-control switch to detect the temperature of circuit board surface, and based on the detected temperature to control heater to heat the metal lid for maintaining the temperature of the circuit board surface within a selected temperature range.

Abstract: A computer using a SIM card comprises a SIM card interface, a main module, an output device, an input device, and a communication unit. The SIM card interface contains a personal information of a user and his/her identification information for the network. The main module is connected to said SIM card interface for reading and writing the personal information stored in the SIM card, and sending a request signal to the user. The output device is connected to the main module for showing the request signal to the user. The input device is connected to the main module. The communication unit is connected to the main module and the communications network.