Abstract: The present invention is to provide a case comprising a frame having at least one bending section each provided at its rear proximate its bottom, the bending section being formed by bending an extension of the bottom of the case upward so as to form a distance between the bending section and the rear of the frame, the bending section including at least one first fastening member; and a fan secured to the frame by fastening at the first fastening member of the bending section. In response to activating the fan, fresh air is drawn into the frame or hot air inside the frame is driven out. By utilizing the present invention, ventilation is realized with heat generated by the electronic and electrical components in the case being sufficiently dissipated.

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 an apparatus of automatically detecting the type of a cable connected to a network and method thereof, which comprising a memory having an automatic detection program, a switch, a network controller adapted to switch the state of the switch based on a predetermined switching order stored in the automatic detection program, a port having its state being detected by the network controller such that the automatic detection program is able to know the type of a compatible cable by connecting a connector at one end of the cable to the port, and a plurality of transmission interfaces interconnected the network controller and the switch wherein the network apparatus is adapted to receive network signals transmitted from the cable and maintain a connecting state of one transmission interface.

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 microwave filter distributed on a circuit board of a wireless communication product, which comprises an input terminal, a resonant chamber of double frequencies, and an output terminal of the microwave filter directly distributed on the circuit board of the wireless communication product as a plurality of microstrips by utilizing a manufacturing technique of printed circuit board for eliminating the harmonic spurious of double frequencies and higher frequency caused by nonlinear distortion of a power amplifier of the wireless communication product.

Abstract: The present invention applies management frame defined in IEEE 802.11 standard to a wireless distribution system (WDS) mode by adding an information element (IE) into the management frame, which enables any access point (AP) in WDS to maintain IE based on its own setting and state, then send IE via the management frame for providing state of the AP under WDS mode, determine whether a physical link (i.e., a wireless link between APs) should be established therewith based on received IE, and maintain the established physical link through the wireless management frame in a real time manner. Thus, the existence and necessity of the physical link between different APs in WDS can be determined correctly.

Abstract: The present invention discloses an antenna array installed on a printed circuit board, which comprises two antenna units, each being a microstrip directly installed on two symmetric ends of a T-shape microstrip on a printed circuit board and an asymmetric end of the T-shape microstrip circuit being a feeding end feeding signals simultaneously to the two antenna units. A grounding metal surface is fabricated on the other side of the printed circuit board at a position other than the antenna unit, and keeps a specific distance from at least one corresponding edge of the antenna unit. Since the antenna units are symmetric in shape and have the same feeding end, the radiation direction thereof is shifted towards the two symmetric edges to broaden the range of the use of two symmetric edges.

Abstract: The present invention is to provide an apparatus of automatically detecting the type of a cable connected to a network and method thereof, which comprising a memory having an automatic detection program, a switch, a network controller adapted to switch the state of the switch based on a predetermined switching order stored in the automatic detection program, a port having its state being detected by the network controller such that the automatic detection program is able to know the type of a compatible cable by connecting a connector at one end of the cable to the port, and a plurality of transmission interfaces interconnected the network controller and the switch wherein the network apparatus is adapted to receive network signals transmitted from the cable and maintain a connecting state of one transmission interface.

Abstract: The present invention is to provide a harmonic spurious signal suppression filter, which comprises microstrip lines disposed on a printed circuit board of a wireless network product, wherein one end of a microstrip input end is perpendicularly connected to one end of a first microstrip line, one end of a microstrip output end is perpendicularly connected to one end of a fourth microstrip line, the first and fourth microstrip lines are interwovenly arranged in an interdigital finger form, a second microstrip line is extended from both the microstrip input and output ends, and each end of the second microstrip line corresponding to the location of the first and fourth microstrip lines is connected to a third microstrip line of a meandering shape.

Abstract: The present invention provides a communication device and a digital encoding method thereof. The communication device comprises a first and a second emitting devices respectively communicating at a first and a second communication channels. Each emitting device emits the same piece of data through continually emitting the same signal section for six times. The signal section is encoded in five bits. A receiving device alternately jumps between the first and second communication channels to receive signal sections emitted by the first and second emitting devices. The time of the receiving device at each communication channel comprises a phase lock time and a reception time of a whole signal section. The present invention has the advantages of having a very good quality of data transmission, reducing the cost, saving installation space, and facilitating the operation.

Abstract: The present invention is to provide a narrow bandpass filter installed on a circuit board for suppressing a high-frequency harmonic wave, which uses a metal microstrip method to directly build a microstrip circuit corresponding to a narrow bandpass filter on a circuit board of a wireless communication product and uses an interdigital finger method to lay a capacitor microstrip of the microstrip circuit on the circuit board to avoid the capacitor microstrip occupying too much area of the circuit board and maximizes the usable space of the circuit board, so that the wireless communication product can suppress a second or higher harmonic spurious noise of the wireless communication product without using an additional high-frequency filter, and thus can greatly lower the manufacturing cost of the wireless communication product and effectively reduce the electromagnetic interference.

Abstract: The present invention is to provide an IP address parameter setting method to prevent from setting incorrect parameter and interrupting the operation of a remote network apparatus when setting up the IP address parameter of the remote network apparatus again, which comprises the steps of activating a timer for time counting, enabling to receive a control confirmation of a control platform within a configured time and, if no control confirmation is received within the configured time, restoring the IP address parameter to a backup IP address parameter, allowing the control platform to manage the remote network apparatus and set up the address parameter of the remote network apparatus again.

Abstract: The present invention is to provide a secure connection mechanism capable of automatically negotiating password between a wireless client terminal and a wireless access terminal, wherein the wireless client terminal is provided with an application software, a control button and an output device. When the wireless client terminal is actuated and the control button is triggered, the secure connection mechanism is enabled by performing the steps of showing a prompt on the output device to instruct user to turn a switch button on the wireless access terminal to a secure connection mode and connecting the wireless client terminal with the wireless access terminal to establish an encryption/decryption mechanism for automatically negotiating a password required for the connection within a predetermined period through the encryption/decryption mechanism in a wireless communication way after being in the secure connection mode.

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 discloses an antenna array installed on a printed circuit board, which comprises two antenna units, each being a microstrip directly installed on two symmetric ends of a T-shape microstrip on a printed circuit board and an asymmetric end of the T-shape microstrip circuit being a feeding end feeding signals simultaneously to the two antenna units. A grounding metal surface is fabricated on the other side of the printed circuit board at a position other than the antenna unit, and keeps a specific distance from at least one corresponding edge of the antenna unit. Since the antenna units are symmetric in shape and have the same feeding end, the radiation direction thereof is shifted towards the two symmetric edges to broaden the range of the use of two symmetric edges.

Abstract: The present invention is to provide a harmonic spurious signal suppression filter, which comprises microstrip lines disposed on a printed circuit board of a wireless network product, wherein one end of a microstrip input end is perpendicularly connected to one end of a first microstrip line, one end of a microstrip output end is perpendicularly connected to one end of a fourth microstrip line, the first and fourth microstrip lines are interwovenly arranged in an interdigital finger form, a second microstrip line is extended from both the microstrip input and output ends, and each end of the second microstrip line corresponding to the location of the first and fourth microstrip lines is connected to a third microstrip line of a meandering shape.

Abstract: The present invention is to provide a case comprising a frame having at least one bending section each provided at its rear proximate its bottom, the bending section being formed by bending an extension of the bottom of the case upward so as to form a distance between the bending section and the rear of the frame, the bending section including at least one first fastening member; and a fan secured to the frame by fastening at the first fastening member of the bending section. In response to activating the fan, fresh air is drawn into the frame or hot air inside the frame is driven out. By utilizing the present invention, ventilation is realized with heat generated by the electronic and electrical components in the case being sufficiently dissipated.

Abstract: The present invention is to provide a case comprising a structure for fastening a sliding button having a fixing member and a manipulating member together forming an L-shaped member, two spaced ribs provided on an inner surface of the manipulating member above the fixing member, and a projection provided on an outer surface of the manipulating member and adapted to insert through an opening of the case and project therefrom to outside of the case while placing the sliding button in the case; and a circuit board threadedly secured to a bottom of the case for clamping the fixing member and thus fastening the sliding button.

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.