Abstract: A sensor structure includes a fixing assembly and a sensing assembly. The fixing assembly includes a connection member. The sensing assembly includes a sleeve, an engaging member, a microchip, and a fastening member. The engaging member is received in the sleeve and is detachably engaged with the connection member. The microchip is coupled to the engaging member and is received in the sleeve. The fastening member latches the sleeve and is detachably fit around the connection member.

Abstract: An assistant guiding system includes a plurality of radio frequency identification (RFID) tags, a server, and an earphone assembly. The plurality of RFID tags is located at a predetermined area, and each RFID tag pre-stores an identification number of the predetermined area. The server stores scenic spot introduction information of the predetermined area. The earphone assembly communicates with a portable electronic device of tourists, and the portable electronic device downloads the scenic spot introduction information from the server. The earphone assembly includes a reading module and a transmission module. The reading module reads the identification number from the RFID tag. The transmission module sends the identification number to the portable electronic device. The scenic spot introduction information corresponding to the identification number of the predetermined area is played or displayed on the portable electronic device.

Abstract: A data acquisition system includes a terminal device and a plurality of data acquisition apparatuses located at multiple layers and communicating with the terminal device. Each of the plurality of data acquisition apparatuses includes a control unit, a data obtaining unit, a data transmission unit, and a detection unit. The data obtaining unit is electronically coupled to the control unit and directed by the control unit to obtain data from articles. The data transmission unit is electronically coupled to the terminal device, and the plurality of data acquisition apparatuses are interconnected via the data transmission unit to send the data to the terminal device. The detection unit detects whether the plurality of data acquisition apparatuses cooperatively form a communication loop, and outputs an indication signal if the communication loop is formed among the plurality of data acquisition apparatuses.

Abstract: A file searching system includes a file storage device and a terminal device. The file storage device defines a plurality of slots for storing files having radio frequency identification (RFID) tags, the file storage device has a plurality of antennas and associated indicators mounted to a corresponding slot one to one. The terminal device wirelessly communicates with a first transceiver of the file storage device. The terminal device includes a user interface (UI) unit. Each antenna receives RFID tag self-identifying information from an RFID tag stored in the corresponding slot and transmit the RFID tag self-identifying information along with antenna self-identifying information to the first transceiver for transmission to the terminal. The first transceiver receives control commands from the terminal and the file storage device actuates one of the plurality of indicators based on a received control command. A file searching method of the file searching device is also provided.

Abstract: A portable scanning device includes a first outer shell defining a receiving space therein, a second outer shell configured to couple with the first outer shell to cover the receiving space, a connecting band coupled to the first outer shell and configured to be secured to a body part of a user, and an electronic assembly including a number of electronic components. The number of electronic components includes a battery configured to provide power for the portable scanning device, a printed circuit board, a scanner configured to scan a plurality of codes, a speaker configured to broadcast an audio during a process of scanning the plurality of codes, a connection port configured to couple the battery to an external power source to charge the battery, a number of buttons for operating the portable scanning device, and a number of indication lights configured to indicate statuses of the portable scanning device.

Abstract: A cold chain transportation device includes a body, a cover, and a detection system. The cover is coupled to the body. The detection system includes a control unit, a temperature sensor, and a detection unit. The temperature sensor senses a temperature of the cold chain transportation device. The detection unit detects opened/closed states of cover. The control unit determines motion states and working states of the cold chain transportation device and transmits the temperature, the opened/closed states, the motion states, and the working states of the cold chain transportation device to an electronic terminal.

Abstract: An auxiliary guiding device includes a processor, a storage unit, a data obtaining unit, and an indication unit. The auxiliary guiding device communicates with a radio frequency identification (RFID) tag having an identification number. The storage unit stores navigating information corresponding to the identification number. The data obtaining unit receives the identification number of the RFID tag. The indication unit is directed by the processor to output the navigating information.

Abstract: A reader includes a body and a scan member. The body includes a scan zone configured for placing at least one barcode and an electronic tag. The scan member is mounted on the body and is aligned to the scan zone. The scan member includes a barcode reading module and a RFID reader module. The barcode reading module reads barcode information from the barcodes; the RFID reader module reads electronic information from the RFID tag and writes the barcode information into the electronic tag.

Abstract: A monitoring system includes a radio frequency identification (RFID) reader, an alarming unit, and a controlling unit. The RFID reader is buried in a predetermined area and reads identification information of an item. The controlling unit is coupled between the RFID reader and the alarming unit, the controlling unit receives the identification information from RFID reader and controls the alarming unit according to the identification information.

Abstract: An electronic tag includes a baseboard, a printed layer, a radio frequency identification (RFID) chip, and an adhesive layer. The baseboard includes a first surface and a second surface opposite to the first surface. The printed layer is disposed on the first surface of the baseboard and serves an antenna of the electronic tag. The RFID chip is secured on the baseboard. The adhesive layer is disposed on the second surface of the baseboard and is configured to detachably adhere to an object. The RFID chip and the printed layer are electronically interconnected for cooperatively receiving/transmitting wireless signals.

Abstract: An electronic tag includes a baseboard, a printed layer, a radio frequency identification (RFID) chip, and an adhesive layer. The baseboard includes a first surface and a second surface opposite to the first surface. The printed layer is disposed on the first surface of the baseboard and serves an antenna of the electronic tag. The RFID chip is secured on the baseboard. The adhesive layer is disposed on the second surface of the baseboard and is configured to detachably adhere to an object. The RFID chip and the printed layer are electronically interconnected for cooperatively receiving/transmitting wireless signals.

Abstract: A data acquisition system includes a terminal device and a plurality of data acquisition apparatuses located at multiple layers and communicating with the terminal device. Each of the plurality of data acquisition apparatuses includes a control unit, a data obtaining unit, a data transmission unit, and a detection unit. The data obtaining unit is electronically coupled to the control unit and directed by the control unit to obtain data from articles. The data transmission unit is electronically coupled to the terminal device, and the plurality of data acquisition apparatuses are interconnected via the data transmission unit to send the data to the terminal device. The detection unit detects whether the plurality of data acquisition apparatuses cooperatively form a communication loop, and outputs an indication signal if the communication loop is formed among the plurality of data acquisition apparatuses.

Abstract: An earphone assembly includes a reader module and an audio interface unit. The reader module is in communication with a plurality of radio frequency identification (RFID) tags located at preselected locations. The reader module reads site identification number of the preselected locations from the plurality of RFID tags. The audio interface unit sends the site identification number of the preselected locations to the mobile terminal to control the mobile terminal to play locations introduction information of the preselected locations corresponding to the site identification number.

Abstract: An assistant guiding system includes a plurality of radio frequency identification (RFID) tags, a server, and an earphone assembly. The plurality of RFID tags is located at a predetermined area, and each RFID tag pre-stores an identification number of the predetermined area. The server stores scenic spot introduction information of the predetermined area. The earphone assembly communicates with a portable electronic device of tourists, and the portable electronic device downloads the scenic spot introduction information from the server. The earphone assembly includes a reading module and a transmission module. The reading module reads the identification number from the RFID tag. The transmission module sends the identification number to the portable electronic device. The scenic spot introduction information corresponding to the identification number of the predetermined area is played or displayed on the portable electronic device.

Abstract: A navigating instrument communicates with a plurality of electronic tags arranged on a road. The navigating instrument includes a sensor module, a control module, a reader module, and an indicating module. The sensor module detects a movement of the navigating instrument. The control module activates or disables the navigating instrument according to a detected result by the sensor module. The reader module reads information from the electronic tags. The indicating module emits indicating signals according to the information. A navigating system employing the navigating instrument is also provided.

Abstract: An auxiliary guiding device includes a processor, a storage unit, a data obtaining unit, and an indication unit. The auxiliary guiding device communicates with a radio frequency identification (RFID) tag having an identification number. The storage unit stores navigating information corresponding to the identification number. The data obtaining unit receives the identification number of the RFID tag. The indication unit is directed by the processor to output the navigating information.

Abstract: A file storage device stores files with radio frequency identification (RFID) tag attached. The file storage device includes a plurality of antennas and a circuit board. A plurality of interval boards are mounted in series, file-holding slots are therefore created between the interval boards. The antennas, connected to the circuit board, are mounted to the interval boards, each antenna corresponding to one slot. Each antenna can establish a wireless communication with the RFID tag of a file, each RFID tag feeding information as to itself to the corresponding antenna. The circuit board communicates wirelessly with an external terminal device for file location and searching purposes.

Abstract: An electronic password lock apparatus includes a storage unit, an input unit, and a communication unit. The storage unit stores a unique identification number of the electronic password lock apparatus, the electronic password lock apparatus is associated with a portable electronic device via the unique identification number. The input unit triggers a locking signal and an unlocking signal. The communication unit sends the locking signal or the unlocking signal to the portable electronic device to lock or unlock the portable electronic device, respectively, and receives an acknowledgement (ACK) signal from the portable electronic device to determine whether the portable electronic device is in a locking state or an unlocking state.

Abstract: A monitoring system includes a radio frequency identification (RFID) reader, an alarming unit, and a controlling unit. The RFID reader is buried in a predetermined area and reads identification information of an item. The controlling unit is coupled between the RFID reader and the alarming unit, the controlling unit receives the identification information from RFID reader and controls the alarming unit according to the identification information.

Abstract: An electronic tag having a wristband includes a base defining at least one receiving notch, a radio frequency identification element received in the base, at least one connecting element connecting the radio frequency identification element, a locking module captured in the receiving notch and resisting the connecting element, and a wristband mounted in the locking module. The radio frequency identification element, the connecting element, the locking module, and the wristband cooperate to form a closed loop circuit to achieve an electric induction. When the wristband is detached from the locking module, the closed loop circuit is cut and the radio frequency identification element sends out an alarm.