Abstract: An antenna system is provided, including a ground plane, a first antenna unit, a second antenna unit, a first ground unit and a second ground unit. The ground plane includes a first side and a second side. The first ground unit and the ground plane jointly form a first closed loop, and a length of the first ground unit matches the first high-frequency signal and the second high-frequency signal to provide grounding of the high-frequency signals. The second ground unit forms a second closed loop and is connected to the first ground unit, and a length of the second ground unit is greater than the length of the first ground unit. A sum of the length of the second ground unit and the length of the first ground unit matches the first low-frequency signal and the second low-frequency signal, to jointly provide the grounding of the low-frequency signals.

Abstract: A processing method of face recognition includes steps of: extracting embedding feature information from a face image; outputting a recognition result of face recognition according to the embedding feature information, wherein the recognition result includes a recognized name and embedding feature distance information; determining whether the recognized name is in a list or not; if the recognized name is in the list, performing a removal checking step for determining whether to remove the recognition result based on the embedding feature distance information; if determining that the recognition result is not to be removed, displaying the recognized name; if determining that the recognition result is to be removed, displaying a negative prompt; and dynamically and instantly providing a feedback and updating a recognition method for the face recognition.

Abstract: A log in system and a log in method of a field are provided. The log in method includes: broadcasting a first RF (RF) signal and a second RF signal by a gateway; a sensing card receiving the first RF signal to switch from a disable mode to an enable mode, the sensing card receiving the second RF signal in the enable mode and generating a communicating channel between the sensing card and the gateway in response to the second RF signal; the gateway receiving sensing card information from the sensing card via the communicating channel and recording an identity corresponding to the sensing card to a log in list corresponding to the field according to the sensing card information.

Abstract: A model constructing method for audio recognition is provided. In the method, audio data is obtained. A predicted result of the audio data is determined by using the classification model which is trained by machine learning algorithm. The predicted result includes a label defined by the classification model. A prompt message is provided according to a loss level of the predicted result. The loss level is related to a difference between the predicted result and a corresponding actual result. The prompt message is used to query a correlation between the audio data and the label. The classification model is modified according to a confirmation response of the prompt message, and the confirmation response is related to a confirmation of the correlation between the audio data and the label. Accordingly, the labeling efficiency and predicting correctness can be improved.

Abstract: A multi-band antenna module is adapted to be disposed on a casing. The multi-band antenna module includes a main radiator, and a first, a second, a third and a fourth radiator. The main radiator has a feed-in terminal and a first ground terminal. The first radiator is connected to the main radiator and configured to couple a first frequency band. The second radiator is connected to the main radiator and configured to couple a second frequency band. The third radiator is connected to the main radiator and configured to couple a third frequency band. The fourth radiator is located beside the main radiator and configured to couple a fourth frequency band and has a second ground terminal. The main radiator, the first radiator, the second radiator, the third radiator and the fourth radiator are adapted to form a 3D structure along an outline of the casing.

Abstract: A network sharing system includes an outdoor wireless transceiver device, an indoor network sharing device, and a high-speed Ethernet transmission cable. The outdoor wireless transceiver device includes a high-frequency network transceiver module and a first Ethernet port and the high-frequency network transceiver module is connected to the first Ethernet port and is configured to receive a high-frequency network signal. The indoor network sharing device includes a processing module and a second Ethernet port. The high-speed Ethernet transmission cable has a transmission rate above 1 giga bits per second (Gbps), two ends of the high-speed Ethernet transmission cable are respectively connected to a first RJ45 connector and a second RJ45 connector, the high-speed Ethernet transmission cable is provided with a flat cable segment, the first RJ45 connector is connected to the first Ethernet port, and the second RJ45 connector is connected to the second Ethernet port.

Abstract: A communication device includes a ground plane and an antenna element. The antenna element includes a first radiation portion and a second radiation portion. The first radiation portion includes a meander section and a rectangular metal section. The meander section has a rectangular hook-shaped structure. A feed point is disposed at a first end of the meander section, and a second end of the meander section is electrically connected to the rectangular metal section. A first end of the second radiation portion of an L-shaped structure is electrically connected to the ground plane. A first end of the rectangular metal section is spaced apart from a second end of the second radiation portion by a first parallel slot. The communication device operates in a first frequency band with the first radiation portion and the second radiation portion, and operates in a second frequency band with the first radiation portion.

Abstract: A multi-band antenna module is adapted to be disposed on a casing. The multi-band antenna module includes a main radiator, and a first, a second, a third and a fourth radiator. The main radiator has a feed-in terminal and a first ground terminal. The first radiator is connected to the main radiator and configured to couple a first frequency band. The second radiator is connected to the main radiator and configured to couple a second frequency band. The third radiator is connected to the main radiator and configured to couple a third frequency band. The fourth radiator is located beside the main radiator and configured to couple a fourth frequency band and has a second ground terminal. The main radiator, the first radiator, the second radiator, the third radiator and the fourth radiator are adapted to form a 3D structure along an outline of the casing.

Abstract: An Ethernet transmission line includes two RJ45 connectors and a thin connection line. Each RJ45 connector has a connection terminal group, and the connection terminal group includes a first terminal, a second terminal, a third terminal, a fourth terminal, a fifth terminal, a sixth terminal, a seventh terminal, and an eighth terminal that are sequentially arranged. The thin connection line is connected between the two RJ45 connectors and the thin connection line includes a first flexible printed circuit board layer, a second flexible printed circuit board layer, and a spacing layer. The first flexible printed circuit board layer is provided with two first transmission lines respectively electrically connected to the third terminal and the sixth terminal. The second flexible printed circuit board layer is provided with two second transmission lines respectively electrically connected to the fourth terminal and the fifth terminal.

Abstract: A text message transmission apparatus and a method thereof are provided. The text message transmission apparatus includes a mobile network communication module, a subscriber line interface circuit (SLIC) module and a processor. The mobile network communication module receives a text message. The SLIC module is configured to connect to a traditional telephone set in a public switched telephone network (PSTN). The processor is coupled to the mobile network communication module and the SLIC module. The processor decodes the text message to obtain a text content of the text message, transforms the text content into a speech content, and plays back the speech content through the SLIC module. Accordingly, the text messages can be transmitted through the PSTN.

Abstract: An assemblable wireless Internet connected apparatus and an integrated function system are provided. The integrated function system includes a function-extended apparatus and the assemblable wireless Internet connected apparatus. The function-extended apparatus includes a first communication interface complied with USB and UART standards. The assemblable wireless Internet connected apparatus includes a wide area network wireless communication module, a second communication interface and a computation-and-controlling unit. The wide area network wireless communication module connects the Internet. The second communication interface is used for engaging with the first communication interface and is complied with the aforementioned two standards. The computation-and-controlling unit communicates with the function-extended apparatus through the second communication interface, and transmits data from the function-extended apparatus to Internet through the wide area network wireless communication module.

Abstract: A text message transmission apparatus and a method thereof are provided. The text message transmission apparatus includes a mobile network communication module, a subscriber line interface circuit (SLIC) module and a processor. The mobile network communication module receives a text message. The SLIC module is configured to connect to a traditional telephone set in a public switched telephone network (PSTN). The processor is coupled to the mobile network communication module and the SLIC module. The processor decodes the text message to obtain a text content of the text message, transforms the text content into a speech content, and plays back the speech content through the SLIC module. Accordingly, the text messages can be transmitted through the PSTN.

Abstract: An assemblable wireless Internet connected apparatus and an integrated function system are provided. The integrated function system includes a function-extended apparatus and the assemblable wireless Internet connected apparatus. The function-extended apparatus includes a first communication interface complied with USB and UART standards. The assemblable wireless Internet connected apparatus includes a wide area network wireless communication module, a second communication interface and a computation-and-controlling unit. The wide area network wireless communication module connects the Internet. The second communication interface is used for engaging with the first communication interface and is complied with the aforementioned two standards. The computation-and-controlling unit communicates with the function-extended apparatus through the second communication interface, and transmits data from the function-extended apparatus to Internet through the wide area network wireless communication module.

Abstract: A message pushing system, a client equipment and a message pushing method thereof are provided. In the method, the client equipment resides in a local network, and the client equipment registers with a local server and a remote server via the local network and an external network. Then, the client equipment publishes messages or receives subscribed messages via at least one of the local network and remote network base on a publishing/subscribing mechanism. Accordingly, no matter whether the client equipment can connect to the external network, if another client equipment can connect to any server via the local or external network, published messages can be transmitted to the client equipment or another published message from the client equipment can be successfully received.

Abstract: A network structure including a central office equipment (COE) and a customer premises equipment (CPE) is provided. The CPE is connected to the COE through a single twisted-pair cable, and configured to convert an external power and supply power to the COE through the single twisted-pair cable. In addition, the data transmission and the transmission of telephone voice are performed between the COE and the CPE through the single twisted-pair cable.

Abstract: An electronic device holder used to be fixed on a moving carrier for holding an electronic device is provided. The electronic device holder includes a holder, a fixing element, a moving unit and at least one first connector. The fixing element fixed on the holder has a first limiting structure. The moving unit disposed between the holder and the fixing element moves relative to the holder. The moving unit has a second limiting structure used to lock with the first limiting structure for fixing the moving unit on a lock position or an open position. The first connector is disposed on the moving unit and used to connect with a second connector when the moving unit is located on the lock position relative to the holder. The electronic device holder integrates functions of holding and charging for the electronic device.

Abstract: An electronic device including a casing, an optical fiber connector and a protecting cover is provided. The case includes an opening and a first engaging member. The optical fiber connector is disposed in the opening. The protecting cover is disposed at the opening and includes a second engaging member movably engaged with the first engaging member so that the optical fiber connector is exposed or shielded by the protecting cover. An optical fiber connector having a connecting port, a first engaging member and a protecting cover is further provided. The first engaging member is disposed besides the connecting port. A second engaging member of the protecting cover is movably disposed at the first engaging member so that the protecting cover exposes or shields the connecting port. The protecting cover is capable of fixing an optical fiber cable and shielding a light emitted from the optical fiber connector.

Abstract: A loop antenna adapted for a communication device is provided. The loop antenna includes a feed, a ground, a circular loop, at least one first tuning element, and at least one second tuning element. The circular loop is connected to the feed and the ground. The first tuning element is extended from the circular loop and corresponds to a first frequency band. The second tuning element is extended from the circular loop and corresponds to a second frequency band. Bandwidths of the first frequency band and the second frequency band of the loop antenna are changed by adjusting the first tuning element and the second tuning element, respectively.

Abstract: A fixing bracket for signal connector adapted to fix a signal connector to a circuit board is provided. The fixing bracket includes a base, a fixing member protruding from a bottom surface of the base and at least two engaging sets protruding from a top surface of the base. The fixing member is adapted to pass through and interfere with the circuit board. Each engaging set includes a first restricting surface and a second restricting surface which are adjacent to each other and perpendicular to the top surface, and a third restricting surface parallel to the top surface. The two first restricting surfaces, the two second restricting surfaces and the two third restricting surfaces of the two engaging sets are used for respectively contacting two first surfaces, two second surfaces and two third surfaces of the signal connector so as to fix the signal connector.

Abstract: An open-loop GPS antenna configured on an insulation object is provided. The open-loop GPS antenna includes a feed, a high frequency circuit, a low frequency circuit and a ground. The high frequency circuit includes a first end, connected to the feed, and a second end. The low frequency circuit includes a third end and a fourth end. The third end is disposed parallel to the second end so as to couple to the second end and generate a capacitance effect to transmit a signal. The fourth end is connected to the ground.