Abstract:
The present invention relates to a dynamic wireless meshing network system, which applies a management frame stipulated in IEEE 802.11 standard for regulating access point (AP) to a wireless distribution system (WDS) mode and adds an information element (IE) to the management frame, enabling an AP to select another AP having smaller hop count value and service hop count value to establish a wireless link therewith according to information in a hop count field and a service hop count field of the IE provided by the another AP and to determine whether a wireless link therebetween should be established according to information of real time network flow in a RunOutofVport field of the same IE for achieving the goal of establishing a dynamic wireless meshing network system with high efficiency, low loading and simple topology for supporting load balance and flow control.
Abstract:
The present invention is to provide a wireless routing mechanism by applying a management frame defined in IEEE 802.11 standard to different access points (AP) in a wireless distribution system (WDS) and adding an information element (IE) to the management frame, enabling any AP to be capable of maintaining the integrity of IE based on its own setting and state, determining other APs' operations in WDS based on a received IE and determining whether a physical link (i.e., wireless link) between itself and any of other APs should be established to provide a channel for sending data frames therebetween and automatically establishing a stable, flexible and expansible wireless network topology in a wire network infrastructure based on information contained in a plurality of fields of the IE.
Abstract:
The present invention is to provide an electronic device having a plurality of light emitting units, which are arranged on a panel of the electronic device above each ports thereon in an alternating pattern or in a chess-board pattern with high density, such that the number of the light emitting units disposed on the panel can be increased and the lights emitted by light emitting elements thereof can easily be recognized without causing the spill interference effect between the adjacent light emitting elements.
Abstract:
The present invention is to provide a PCB based band-pass filter for cutting out harmonic of high frequency wherein in manufacturing a circuit board of a wireless communication product technology of PCB production is utilized to mount an input microstrip line, an output microstrip line, an open circuit microstrip line, and a short circuit microstrip line of the band-pass filter on the circuit board. By utilizing the present invention, it is possible of utilizing an unoccupied area of the circuit board to mount a band-pass filter thereon without using an additional filter of high frequency. Moreover, the band-pass filter is adapted to cut out harmonic of two, three, or four times of a fundamental frequency caused by nonlinear distortion of a power amplifier of the wireless communication product.
Abstract:
The present invention is to provide a dual-purpose position structure used as a hook and a dock comprising a base and another base, wherein the base is sheathed into the another base along a guiding track and two sides of a sliding trench of the base by using a guiding trench and two sides of a sliding plate of the another base, the another base is adjusted by engaging between a saw-toothed part of an elastic arm and a saw-toothed surface of the guiding track to form a dock with a size-adjustable containing space for setting an electronic apparatus therein or being hanged inversely on an office partition as a hook. At least one buckling device located on the supporting plate of the another base can be assembled with at least another buckling device located on a surface of the electronic apparatus.
Abstract:
The present invention discloses a dual-frequency antenna, wherein a coplanar wave guide wire is printed onto a dielectric substrate, so that an end of the coplanar wave guide wire can be used as a signal input end, and a ground metal surface is printed onto the same side of the dielectric substrate at a position corresponding to the periphery of the coplanar wave guide wire. The ground metal surface keeps a certain distance from the coplanar wave guide wire, and the other end of the coplanar wave guide wire is extended outside the ground metal surface. A radiating member is extended from a side along the direction of the longitudinal axis, and a meandered conductive wire is extended from the other side at the end of the longitudinal axis. The radiating member is parallel to the conductive wire, and a gap is kept in parallel to the edge of the ground metal surface, so that each radiating member can be used to receive signals of different frequencies.
Abstract:
The present invention is to provide a method of optimizing packet flow and fully utilizing available bandwidth in a packet transfer path of duplex ring stackable switch, which comprises implementing in a ring network including a plurality of switches; setting a plurality of interruption points each at a location farthest from a unique one of the switches; dividing a packet output path of each switch into two different transfer paths; selecting either transfer path based on an initialization when one of the switches is about to send a packet to the other switch; and sending the packet from one switch to the other switch along the selected transfer path.
Abstract:
A thermal module for being disposed in an electronic device comprises a driving device and at least one thermal device. The driving device includes a driving member and a driven member which are connected together, wherein the driving member is adapted to drive the driven member to operate. The at least one thermal device includes a fan, wherein two opposite ends of the fan respectively have a mating portion and a connecting portion. The mating portion is adapted to be connected to the driven member, so that the driving member drives the driven member to drive the fan to rotate. The connecting portion of the fan is adapted to be connected to the mating portion of a fan of another thermal device, so that when the driving member drives the fan to rotate, the fan drives the fan of the another thermal device to rotate.
Abstract:
A method for determining location of wireless network base station comprises obtaining a plurality of position information, wherein each one of the position information corresponds to one of the user devices; estimating received power estimation values in accordance with relative displacement between the user devices and each of the candidate locations; determining construction possibilities of the candidate locations, wherein each of the construction possibilities shows possibility of choosing a corresponding one of the candidate locations to be the place for building the wireless network base station, and sorting the candidate locations in accordance with the construction possibilities to form a predicting sequence; selecting a preset amount of candidate locations from beginning of the predicting sequence as a starting sequence; and performing an actual measuring operation in each candidate location listed in the starting sequence and determining the location for building the wireless network base station in accordance with measurement results obtained from the actual measuring operations.
Abstract:
An electronic device includes a heat dissipation structure including a first heat dissipation member and a second heat dissipation member. The first heat dissipation member is disposed on a circuit board and is made of a thermally conductive material. The second heat dissipation member is disposed close to an antenna. A projection of the second heat dissipation member on an output surface of the antenna at least covers a portion of the output surface of the antenna. The second heat dissipation member is in contact with the first heat dissipation member. The second heat dissipation member is made of a plastic material mixed with a plurality of ceramic particles.