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 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: 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: An input/output module comprises a module body, a circuit board, and an input/output port. The circuit board is coupled to the module body and has a first surface and a second surface. A second connection portion is disposed on the second surface and electrically connected to a mobile electronic device body. The input/output port is disposed on the first surface and electrically connected to the second connection portion. The input/output port has an insertion end corresponding in position to an opening of the module body and connected to an external transmission connector. Further provided is a mobile electronic device having an input/output module, wherein the input/output module is replaceable such that the mobile electronic device has a transmission interface function and is expandable in applicability.

Abstract: A backup battery charger charges a backup battery of a handheld electronic device. The handheld electronic device comprises a power supply unit and an electronic component. The power supply unit supplies a power to the electronic component. The backup battery charger is connected to the electronic component, such that the backup battery charger shares with the electronic component the power, uses the power as a charging power, and controllably determines via a control module whether to supply the charging power to the backup battery.

Abstract: It is a snap-engagement structure whereby a mother body and a daughter body of a portable electronic device are snap-engaged with each other and thereby fixed to each other. The mother body includes two installation units. The snap-engagement structure includes a key unit, fastening units, and a first restoring unit. The key unit and the fastening units move relative to each other in different directions to effectuate enhanced snap-engagement, watertightness, and miniaturization.

Abstract: A charging method and a charging system are introduced for controlling a charging current by a PWM method. A charging IC is controlled to supply the charging current to a battery, and a control unit is used to generate a PWM signal with a duty cycle, and a filter unit is used to convert the PWM signal into a voltage signal to be supplied to the charging IC, and the control unit determines whether a current of a battery detected by the battery status detection unit reaches a regular current, so that a PWM signal with a duty cycle greater than the previous duty cycle by a default increased cycle is provided if the detected current has not reached the regular current. Thus, the feature of the PWM signal is used to set the charging current according to the capacity of the battery automatically.

Abstract: A screw installation device is provided, including a base having a tray for carrying a circuit board, a vertical holder vertically disposed on the base, an accommodating unit, an elastic unit, and a double-link horizontal holder having one end connected to the vertical holder and the other end connected to the accommodating unit for accommodating an electric screwdriver. The double-link horizontal holder adjusts the position of the accommodating unit such that the electric screwdriver is movable with respect to the tray in both vertical and horizontal directions. The elastic unit is mounted on the double-link horizontal holder for providing the accommodating unit with an upward elastic force after a downward force is exerted on the electric screwdriver for installing the screw. The present invention eliminates the adverse effects such as reduction in service life and scratching of the product as a result of slippage of the electric screwdriver head.

Abstract: A system and a method for controlling access at a user end are disclosed. The correlation between a tag signal of a femtocell access point and a tag signal of a fixed internet device is established, such that when the femtocell access point would access internet via the fixed internet device, a tag signal of the femtocell access point and a tag signal of the fixed internet device are acquired, so as to determine whether the tag signal of the femtocell access point and the tag signal of the fixed internet device match the correlation in the data bank. When the tag signal of the femtocell access point and the tag signal of the fixed internet device match the correlation, the femtocell access point is allowed to provide access services. The present invention provides an effective mechanism for controlling access at a user end.

Abstract: A film pasting device and method for pasting a circuit board and a dome array together are disclosed. The device includes: a carrier having at least a suction hole, a support member connected to the carrier and having a plurality of air holes, a suction member connected to the carrier, and a first positioning member disposed on the carrier. The film pasting device includes: positioning the dome array, providing a suction force for sucking the dome array so as to evenly dispose the dome array, disposing the circuit board on the dome array, and providing a pressing force to press the circuit board to the dome array. Therefore, the present invention overcomes the conventional difficulty of aligning the dome array with the circuit board, thereby improving the product yield.

Abstract: An overvoltage protection circuit and a portable electronic device having the same are introduced. The overvoltage protection circuit provides overvoltage protection when an input voltage exceeds a rated voltage tolerable by an internal circuit unit in the portable electronic device. A reference voltage and a partial voltage are generated from the input voltage through a voltage limiting unit and voltage dividing module, respectively, and conveyed to a comparing module for comparison. Comparison of the reference voltage and the partial voltage is followed by generation of a switch signal whereby a switch unit determines whether to apply the input voltage to the internal circuit unit. The voltage dividing module sets the maximum rated voltage tolerable by the internal circuit unit and enables the overvoltage protection circuit to give overvoltage protection to the portable electronic device regardless of temperature.

Abstract: An adhesive tape is disclosed. The adhesive tape includes a first release layer, an adhesive layer, and a second release layer, wherein the second release layer has a positioning portion, and a total area of the second release layer is greater than a total area of the first release layer. Further, an adhesion device and an adhesion method are disclosed. The adhesion device includes a base having a receiving slot and a positioning unit. The adhesive tape is received in the receiving slot of the base, such that the positioning portion of the adhesive tape and the positioning unit of the base are used for positioning each other. After the first release layer is removed to expose the adhesive layer, a supporting component is adhered to the adhesive layer.

Abstract: An assembly device for assembling a main body and an external chamber of a product includes: a base, laterally pressing units disposed on left and right sides of the base, and an actuator disposed on a rear side of the base. The external chamber of the product is positioned on the base. The laterally pressing units press an opening of the external chamber from left and right sides thereof so as to generate convex deformations on upper and lower sides of the opening. The actuator moves the main body towards the opening of the external chamber so as to dispose the main body in the external chamber. The invention avoids product damages, saves time and labor consumption, and improves the product yield.