Abstract: An antenna matching device for a dual-frequency tire pressure detector includes: a microcontroller having a control pin; a dual-frequency signal unit controlled by the microcontroller to which one of two different frequency signals to generate; and a matching unit having an input end, two external pins, and an output end, the input end being electrically connected to the dual-frequency signal unit to receive the frequency signals from the dual-frequency signal unit, the external pins being electrically connected to two ends of a diode, respectively, with the control pin electrically connected to one of the external pins, and the output end being electrically connected to an antenna, wherein the matching unit provides two impedances between the input end and the output end so that the microcontroller controls an operating state of the diode according to whether the control pin is grounded, thereby switching between the impedances of the matching unit.

Abstract: A data transmitting device capable of configuring different operating frequencies for use by a tire pressure monitoring detector includes: a standard oscillator; a phase locked loop including a phase frequency comparator, a filter, and a pressure-controlling oscillator; a microcontrol unit electrically connected to the standard oscillator and the phase frequency comparator and adapted to store a first ratio and a second ratio; and a signal output unit electrically connected to the output end of the pressure-controlling oscillator and the microcontrol unit. The microcontrol unit allows a user to select and send the first or second ratio to the phase frequency comparator. The phase locked loop generates a target frequency signal according to the first or second ratio selected by the user. The microcontrol unit sends a data to the signal output unit, and the signal output unit outputs the data according to the frequency of the target frequency signal.

Abstract: A fixing element adapted for a tire pressure monitoring device includes a base, a locking portion, and two stop blocks. The base includes a first plate and two second plates. The second plates are connected to two corresponding lateral sides of the first plate respectively to give the base an elongated shape. The bottom side of the base can be tightly attached to the rim of a wheel. The body portion of each second plate is penetrated by an aperture through which an annular member can pass. The locking portion has a through hole. A fixing member can pass through the through hole and be fixed to the tire pressure monitoring device. The two stop blocks are provided on the two second plates of the base respectively. The fixing element allows the tire pressure monitoring device to stay in a fixed state.

Abstract: A TPMS (tire pressure monitoring system) sensor setting method is disclosed to use a setting tool for selecting the ID codes of multiple TPMS sensors and burning a communication protocol into the multiple selected TPMS sensors at a time, significantly shortening the operation time.

Abstract: A method for burning data into a tire pressure monitoring device includes the steps of preparing a burning tool and a tire pressure monitoring device and connecting them electrically with a single wire to enable data or signal transmission between the burning tool and the tire pressure monitoring device, thereby achieving single-wire data burning and two-way communication between the burning tool and the tire pressure monitoring device.

Abstract: A TPMS (tire pressure monitoring system) sensor setting method is disclosed and performed by: using a setting tool to input a location code into the TPMS sensor to be set so that the TPMS sensor can feed the location code and its ID to the on-vehicle main unit for enabling the on-vehicle main unit to establish the relationship between the ID of the TPMS sensor and its location.

Abstract: A tank liquid depth measurement method includes the steps of: a) providing a sensor capable of detecting a liquid pressure, b) providing a main unit for receiving data from the sensor, c) mounting the sensor under the liquid level in a water tank and mounting the main unit in the car, d) initiating the sensor and the main unit so as to cause the sensor to measure the internal liquid pressure and to enable the main unit to store the identification code and communication code of the sensor, and e) enabling the main unit to receive data from the sensor for matching and recording. By means of the operation of the sensor to transmit the detected data to the main unit for warning or informing the driver, the expected effects and objectives of the present invention are achieved.

Abstract: A magnetic force transmission type tire pressure sensor device and related setting tool and setting method is disclosed. The invention uses a magnetic force sensor unit in the tire pressure sensor device to receive lines of magnetic flux being transmitted by a magnetic force transmitter unit in the setting tool, and then the received waveform is converted into a communication protocol and stored in the tire pressure sensor device. Therefore, the invention not only can achieve the purpose of wireless transmission but also can enhance the stability of signal transmission, eliminate wireless regulatory constraints and improve product quality.

Abstract: A TPMS (tire pressure monitoring system) sensor input method is disclosed and performed by: using a setting tool to read in the ID of the TPMS sensor subject to the set position, and then compiling the ID of the TPMS sensor and the position to be set into a set code, and then transmitting the set code to a receiver host for enabling the receiver host to store the data of the ID of the TPMS sensor and the position of the TPMS sensor.

Abstract: A TPMS (tire pressure monitoring system) sensor input method is disclosed and performed by: using a setting tool to read in the ID of the TPMS sensor subject to the set position, and then compiling the ID of the TPMS sensor and the position to be set into a set code, and then transmitting the set code to a receiver host for enabling the receiver host to store the data of the ID of the TPMS sensor and the position of the TPMS sensor.

Abstract: A TPMS (tire pressure monitoring system) sensor setting method is disclosed to use a setting tool for selecting the ID codes of multiple TPMS sensors and burning a communication protocol into the multiple selected TPMS sensors at a time, significantly shortening the operation time.

Abstract: A flexible board type tire pressure sensor device includes a flexible PC board having a first surface bonded to an inside wall of a tire of a vehicle wheel and a second surface opposite to the first surface, a sensor module installed in the second surface of the flexible PC board for sensing a variety of statuses of the vehicle wheel, a transmission terminal set installed in the second surface of the flexible PC board and electrically connected with the sensor module for allowing transmission of a communication program to the sensor module, and an antenna installed in the second surface of the flexible PC board and electrically connected with the sensor module for sending out a sensor signal generated by the sensor module. Thus, the flexible board type tire pressure sensor device has excellent structural stability to provide accurate sensing results.

Abstract: A repeater module used in a TPMS and installed in a mother vehicle or daughter vehicle of a tow truck for receiving the status signal from each daughter vehicle tire pressure sensor and providing a corresponding wireless signal to the on-vehicle main unit in the mother vehicle by using the ID code and communication protocol of any mother vehicle tire pressure sensor so that the mother vehicle can receive the status information of the tires of the daughter vehicle without needing to modify the on-vehicle main unit.

Abstract: A touch-control tire pressure sensor device includes a housing holding an air nozzle at one side thereof, a circuit board accommodated in the housing and carrying a processor and memory unit having electrically coupled thereto a pressure sensor unit, a temperature sensor unit, an acceleration sensor unit, a LF transmission interface and a RF transmission interface for transmitting a sensed signal to an on-vehicle main unit, a battery pack providing the circuit board with the necessary working voltage, and a conducting plate having one end connected to the touch sensor IC and an opposite end kept in contact with the air nozzle.

Abstract: A tire pressure sensor device includes a tire pressure sensor including a housing and a mounting block defining a through portion in a coupling means thereof, and an air valve including an extension rod having a rod body rotatably inserted through the through portion and a stop block located at one end of the rod body and rotatable with the rod body between a first angular position where the stop block is kept in accurate alignment with the through portion and axially movable with the rod body through the through portion for allowing separation between the tire pressure sensor and the air valve and a second angular position where the stop block is stopped at the coupling means of the mounting block in a staggered manner relative to the through portion to prohibit separation between the tire pressure sensor and the air valve.

Abstract: A TPMS setting tool includes a housing carrying a display unit and an input device on the outside and a circuit board and a power supply device on the inside, the power supply device and the circuit board being electrically coupled together to provide the TPMS setting tool with the necessary working power supply. The housing has a receptacle provided at one side thereof and a connection port with multiple pins mounted inside the receptacle for the connection of a TPMS, enabling the desired communication protocol and ID code to be written into the inserted TPMS.

Abstract: A tire status receiving system includes a first signal converter module including a first microcontroller unit, a wireless receiver unit for receiving a wireless signal from a tire status sensor and providing the wireless signal to the first microcontroller unit for enabling the first microcontroller unit to convert the wireless signal into a code for information interchange for output through an output unit being electrically coupled to the first microcontroller unit, and a second signal converter module including a second microcontroller unit, a memory unit for storing tire status sensor ID codes and predetermined alarm threshold values, an interface unit for communication with the output unit to receive data, a power supply unit to provide the necessary working electricity, and a communication port electrically coupled to the second microcontroller unit and having installed therein signal transmission circuit and a charging circuit.

Abstract: A tire pressure sensor device includes a tire pressure sensor including a housing and a mounting block defining a through portion in a coupling means thereof, and an air valve including an extension rod having a rod body rotatably inserted through the through portion and a stop block located at one end of the rod body and rotatable with the rod body between a first angular position where the stop block is kept in accurate alignment with the through portion and axially movable with the rod body through the through portion for allowing separation between the tire pressure sensor and the air valve and a second angular position where the stop block is stopped at the coupling means of the mounting block in a staggered manner relative to the through portion to prohibit separation between the tire pressure sensor and the air valve.

Abstract: A tire status receiving system includes a first signal converter module including a first microcontroller unit, a wireless receiver unit for receiving a wireless signal from a tire status sensor and providing the wireless signal to the first microcontroller unit for enabling the first microcontroller unit to convert the wireless signal into a code for information interchange for output through an output unit being electrically coupled to the first microcontroller unit, and a second signal converter module including a second microcontroller unit, a memory unit for storing tire status sensor ID codes and predetermined alarm threshold values, an interface unit for communication with the output unit to receive data, a power supply unit to provide the necessary working electricity, and a communication port electrically coupled to the second microcontroller unit and having installed therein signal transmission circuit and a charging circuit.