Abstract: A traffic signal lamp includes a plurality of light-emitting devices. Each light-emitting device includes a light-emitting element, a power distribution module, a power module, a controller and a measuring element. The power module is configured for converting an alternating current (AC) into a direct current (DC) and supplying the DC to the light-emitting element and the power distribution module. The measuring element is electrically coupled to the power distribution module and the light-emitting element. The controller is electrically coupled to the power distribution module and the measuring element. When a selected-one of the light-emitting devices receives the AC, the power distribution modules of the selected-one provides the DC to the controller and the measuring element of the selected-one and the power distribution module of the others of the light-emitting devices.

Abstract: A position tracking system and a method thereof are provided. In the system, a power transmitting unit (PTU) provides power to a power receiving unit (PRU). The PRU chooses one of the PTUs adaptively to receive power, and broadcasts a broadcast information via a corresponding Bluetooth link. Three PTUs receive the broadcast information to obtain three pieces of position information respectively corresponding to the PRU respectively, and a position of the PRU is determined based on the position information of the three PTUs. Accordingly, positioning is implemented in the wireless charging technique by modifying software design.

Abstract: A position tracking system and a method thereof are provided. In the system, a power transmitting unit (PTU) provides power to a power receiving unit (PRU). The PRU chooses one of the PTUs adaptively to receive power, and broadcasts a broadcast information via a corresponding Bluetooth link. Three PTUs receive the broadcast information to obtain three pieces of position information respectively corresponding to the PRU respectively, and a position of the PRU is determined based on the position information of the three PTUs. Accordingly, positioning is implemented in the wireless charging technique by modifying software design.

Abstract: A wearable electronic device and an emergency method thereof are provided. The wearable electronic device includes a host and a strap. The host senses physiological information of a user by using a sensor. When the physiological information is determined as being abnormal, the host sends an enabling signal to the strap by a transmitting coil to enable the strap. After the strap is enabled, a warning light module displays a warning message based on the enabling signal.

Abstract: A wireless communication system for transmitting energy in ultrasonic waves, a host device, and a mobile device are provided. The wireless communication system includes at least one host device and at least one mobile device. The host device each includes an ultrasonic energy transmitter and a wireless communication receiver. The host device transmits an energy signal in ultrasonic waves through the ultrasonic energy transmitter. The mobile device each includes an ultrasonic energy receiver and a wireless communication transmitter. The mobile device receives the energy signal in ultrasonic waves through the ultrasonic energy receiver and drives the wireless communication transmitter through the energy signal to transmit a communication signal to a field, such that the host device located in the field receives the communication signal.

Abstract: A transmission method is applied to a wireless communication system including at least one wireless access point device and a plurality of mobile devices, each mobile device correspondingly generating a first package. The transmission method includes: the wireless access point device receiving a part of the first packages of the mobile devices; the wireless access point device broadcasting a second package to the plurality of mobile devices; and each mobile device being sorted to a first group mobile device or a second group mobile device according to the second package, the first group mobile device stopping transmission of the first package to the wireless access point device and the second group mobile device continuously transmitting the first package within a time period after broadcasting the second package.

Abstract: A wireless charging apparatus including a power emitting module and a power transmission module is provided. The power emitting module has a first coil for transmitting a charge power. The power transmission module is electrically coupled to the power emitting module. The power transmission module has second and third coils, where the second coil is coupled to the first coil for receiving the charge power, and the third coil is coupled to the second coil to receive the charge power. Wherein, the third coil is coupled to a portable electrical device, and provides the charge power to charge the portable electrical device.

Abstract: A wearable electronic device and an emergency method thereof are provided. The wearable electronic device includes a host and a strap. The host senses physiological information of a user by using a sensor. When the physiological information is determined as being abnormal, the host sends an enabling signal to the strap by a transmitting coil to enable the strap. After the strap is enabled, a warning light module displays a warning message based on the enabling signal.

Abstract: A transmission method is applied to a wireless communication system including at least one wireless access point device and a plurality of mobile devices, each mobile device correspondingly generating a first package. The transmission method includes: the wireless access point device receiving a part of the first packages of the mobile devices; the wireless access point device broadcasting a second package to the plurality of mobile devices; and each mobile device being sorted to a first group mobile device or a second group mobile device according to the second package, the first group mobile device stopping transmission of the first package to the wireless access point device and the second group mobile device continuously transmitting the first package within a time period after broadcasting the second package.

Abstract: An intelligent entrance guard unlocking method includes: transmitting electric energy by wireless electromagnetic radiation via a transmit coil; receiving the electric energy via a receive coil; capturing a vein image of a part of a user via a number of small cameras by Infrared scanning technology and filtering noises from the vein image to get a filtered vein image; transmitting a wireless signal containing the filtered vein image to an intelligent entrance guard; comparing the filtered vein image with a predefined vein image; unlocking the intelligent entrance guard when the filtered vein image matches with the predefined vein image and not unlocking the intelligent entrance guard when the filtered vein image does not match with the predefined vein image.

Abstract: A driving assistance device includes a housing, a controller, a plug connector, and a power line. The controller is received in the housing and includes a microprocessor, a supply line, a signal line, and a storage module. The storage module is electrically coupled to the microprocessor. The plug connector is assembled within the housing, and electrically coupled to the microprocessor via the supply line and the signal line. The power line is electrically coupled to the supply line. The present disclosure further discloses a driving assistance system and a vehicle employing the driving assistance device.

Abstract: An intelligent entrance guard unlocking method includes: transmitting electric energy of an intelligent entrance guard by wireless electromagnetic radiation via a transmit coil; receiving the electric energy via a receive coil of a powerless smart key; scanning an eye of a user to recognize an iris image of the user and storing the iris image in a second storage unit of the powerless smart key; controlling a wireless transmit unit of the powerless smart key to transmit a wireless signal containing the iris image to the intelligent entrance guard; obtaining a predefined iris image from a first storage unit of the intelligent entrance guard and comparing the iris image with the predefined iris image; unlocking the intelligent entrance guard when the iris image matches with the predefined iris image and not unlocking the intelligent entrance guard when the iris image does not match with the predefined iris image.

Abstract: An intelligent entrance guard unlocking method includes: transmitting electric energy of a power unit of a intelligent entrance guard in a wireless electromagnetic radiation via a transmit coil; receiving the electric energy via a receiver coil of a powerless smart key; capturing a fingerprint image of an user and storing the fingerprint image in a second storage unit of the powerless smart key; controlling a wireless transmit unit of the powerless smart key to transmit a wireless signal containing the fingerprint image to the intelligent entrance guard; obtaining a predefined fingerprint image from a first storage unit of the intelligent entrance guard and comparing the fingerprint image with the predefined fingerprint image; unlocking the intelligent entrance guard when the fingerprint image matches with the predefined fingerprint image and not unlocking the intelligent entrance guard when the fingerprint image does not match with the predefined fingerprint image.

Abstract: An intelligent entrance guard unlocking method includes: transmitting electric energy of a power unit of a intelligent entrance guard in a wireless electromagnetic radiation via a transmit coil; receiving the electric energy via a receiver coil of a powerless smart key; capturing a palm print image and storing the palm print image in a second storage unit of the powerless smart key; controlling a wireless transmit unit of the powerless smart key to transmit a wireless signal containing the palm print image to the intelligent entrance guard; obtaining a predefined palm print image from a first storage unit and comparing the palm print image with the predefined palm print image; unlocking the intelligent entrance guard when the palm print image matches with the predefined palm print image and not unlocking the intelligent entrance guard when the palm print image does not match with the predefined palm print image.

Abstract: A vehicle electronic key system for unlocking a vehicle includes an electronic key and a vehicle controlling device. The electronic key includes a first controller, a signal transmitting module configured to collet and transmit speech signals, and a wireless charging receiving coil configured to transmit electromagnetic signals to the first controller. The vehicle controlling device includes a second controller configured to authenticate the speech signals and unlock the vehicle, a signal receiving module configured to receive speech signals sent by the signal transmitting module and send the speech signals to the second controller, and a wireless charging transmitting coil configured to transmit the electromagnetic signals to the wireless charging receiving coil. The second controller is further configured to drive the wireless charging transmitting coil.

Abstract: A vehicle key system includes a transmitting device issuing optical signals and a receiving device. The transmitting device includes a light source module. An optical signal with predetermined Identification (ID) information is generated by the light source module and the optical signal is converted into an electrical signal. A signal receiving module of the receiving device verifies the electrical signal and controls a vehicle to unlock. An electronic energy is converted into an electromagnetic signal and the electromagnetic signal is broadcast. A wireless charging receiver of the transmitting device receives the electromagnetic signal and generates the electronic energy. The present disclosure also provides a method for using the vehicle key system.

Abstract: A system for implementing a ride-sharing method includes a cloud server, a first terminal device in wireless connection with the cloud server, at least one second terminal device in wireless connection with the cloud server, a first helmet in wireless connection with the first terminal device, and a second helmet in wireless connection with the at least one second terminal device. The first terminal device generates a ride-sharing request and transmits the ride-sharing request to the cloud server. The cloud server transmits the ride-sharing request to the at least one second terminal device. The at least one second terminal device generates a ride-sharing confirmation and transmits the ride-sharing confirmation to the cloud server. The cloud server transmits the ride-sharing confirmation to the first terminal device. A user of the first terminal device selects one second terminal device to share a ride.

Abstract: A delivery address positioning method based on Internet of vehicles is provided. The method includes the steps as follows. Control a timing unit of the smart device to start timing when a real-time speed of the smart device is zero. Obtain a position information of the smart device from a GPS unit of the smart device and a registration information stored by a storage unit of the smart device when a time period timed by the timing unit is greater than a predefined time period. Transmit the position information and the registration information to the server. Search a database of the server according to the registration information. Determine whether the database includes at least one order matches with the registration information. And deliver the position information to a logistics center when the database includes at least one order matches with the registration information.

Abstract: An intelligent entrance guard unlocking method includes: transmitting electric energy of a power unit of a intelligent entrance guard in a wireless electromagnetic radiation via a transmit coil; receiving the electric energy via a receiver coil of a powerless smart key; capturing a face image of an user and storing the face image in a second storage unit of the powerless smart key; controlling a wireless transmit unit of the powerless smart key to transmit a wireless signal containing the face image to the intelligent entrance guard; obtaining a predefined face image from a first storage unit of the intelligent entrance guard and comparing the face image with the predefined face image; unlocking the intelligent entrance guard when the face image matches with the predefined face image and not unlocking the intelligent entrance guard when the face image does not match with the predefined face image.

Abstract: A vehicle key system includes a transmitting device issuing optical signals and a receiving device. The transmitting device includes a light source module. An optical signal with predetermined Identification (ID) information is generated by the light source module and the optical signal is converted into an electrical signal. A signal receiving module of the receiving device verifies the electrical signal and controls a vehicle to unlock. An electronic energy is converted into an electromagnetic signal and the electromagnetic signal is broadcast. A wireless charging receiver of the transmitting device receives the electromagnetic signal and generates the electronic energy. The present disclosure also provides a method for using the vehicle key system.