A position locator with a shell having a main board, a battery, a positive electrode shrapnel, a cathode shrapnel and light source. The battery supplies power through the positive electrode shrapnel and cathode shrapnel connected to the main board, the shell has a light-transmitting window, the light source is set on one side of the main board in the middle and controlled by the main board, the battery is set on the other side of the main board, the shell has a concave battery storage space, the positive electrode shrapnel and cathode shrapnel both comprising solder pads and contacts set on the solder pads, the bottom of the solder pads have reference surfaces substantially parallel to the main board.

There is provided a communication device comprising: a wireless communication circuit configured to control wireless communication with a portable device in conformity with a specific communication standard; a capacitive sensor circuit configured to detect proximity of an object on a basis of a change in capacitance; an antenna configured to be used for both transmitting/receiving a wireless signal conforming to the specific communication and detecting the capacitance; a high-pass filter disposed between the wireless communication circuit and the antenna; and a low-pass filter disposed between the capacitive sensor circuit and the antenna, wherein the communication device is configured to be disposed in a gripping portion to be gripped by a user carrying the portable device.

There is provided a communication device comprising: a wireless communication circuit configured to control wireless communication with a portable device in conformity with a specific communication standard; a capacitive sensor circuit configured to detect proximity of an object on a basis of a change in capacitance; an antenna configured to be used for both transmitting/receiving a wireless signal conforming to the specific communication and detecting the capacitance; a high-pass filter disposed between the wireless communication circuit and the antenna; and a low-pass filter disposed between the capacitive sensor circuit and the antenna, wherein the communication device is configured to be disposed in a gripping portion to be gripped by a user carrying the portable device.

An identification device for a license plate, the identification device comprising a base structure for attachment to the license plate; a movable member movable relative to the base structure between a retracted position and an extended position; and electronic circuitry configured to transfer identification data associated with the identification device. A license plate arrangement comprising a license plate and an identification device, and a license plate system comprising at least one license plate arrangement, are also provided.

An identification device for a license plate, the identification device comprising a base structure for attachment to the license plate; a movable member movable relative to the base structure between a retracted position and an extended position; and electronic circuitry configured to transfer identification data associated with the identification device. A license plate arrangement comprising a license plate and an identification device, and a license plate system comprising at least one license plate arrangement, are also provided.

A wireless controller for operably controlling at least two devices. The wireless controller includes a cover portion, a base portion, a transmission mechanism and a component activation mechanism. The base portion is operably attached to the cover portion. The transmission mechanism and the component activation mechanism are each mounted to at least one of the cover portion and the base portion. The component activation mechanism causes the transmission mechanism to transmit a communication signal to the at least one of the at least two devices. When the cover portion and the base portion are in a closed configuration, the component activation mechanism is substantially covered.

A wireless controller for operably controlling at least two devices. The wireless controller includes a cover portion, a base portion, a transmission mechanism and a component activation mechanism. The base portion is operably attached to the cover portion. The transmission mechanism and the component activation mechanism are each mounted to at least one of the cover portion and the base portion. The component activation mechanism causes the transmission mechanism to transmit a communication signal to the at least one of the at least two devices. When the cover portion and the base portion are in a closed configuration, the component activation mechanism is substantially covered.

An information terminal with low power consumption is provided. The information terminal includes a liquid crystal element, a light-emitting element, a first transistor, and a touch sensor. The touch sensor includes a photodiode, a second transistor, and a third transistor. The first transistor has a function of controlling a current flowing through the light-emitting element. The photodiode is electrically connected to a gate of the third transistor through the second transistor. A gate of the first transistor is electrically connected to the gate of the third transistor through at least one transistor.

An antenna assembly and a terminal device are provided. The antenna assembly includes a conductive frame, a circuit board, and a metal conductor. The metal conductor has one end connected to a feed point on the circuit board and the other end connected to a switch on the circuit board and the conductive frame. The switch is configured to adjust a radiation frequency band of the antenna assembly. A radiator of the antenna assembly comprises the metal conductor and the conductive frame.

An antenna assembly and a terminal device are provided. The antenna assembly includes a conductive frame, a circuit board, and a metal conductor. The metal conductor has one end connected to a feed point on the circuit board and the other end connected to a switch on the circuit board and the conductive frame. The switch is configured to adjust a radiation frequency band of the antenna assembly. A radiator of the antenna assembly comprises the metal conductor and the conductive frame.