A transmitter is mounted on each of a plurality of wheel assemblies included in a vehicle. The transmitter executes a process in accordance with a command included in a trigger signal. The transmitter includes a pressure sensor that detects the tire pressure, a transmission unit that transmits a data signal including a detection result of the pressure sensor to a receiver, a trigger reception unit that receives the trigger signal, and a controller that controls the transmitter. When the trigger reception unit receives the trigger signal including a command shifting a state of the transmitter to a standby state, the controller shifts the state of the transmitter to the standby state. Further, when the trigger reception unit receives the trigger signal including a command designating a mode while the state of the transmitter is the standby state, the controller sets the designated mode.

A transmitter is mounted on each of a plurality of wheel assemblies included in a vehicle. The transmitter executes a process in accordance with a command included in a trigger signal. The transmitter includes a pressure sensor that detects the tire pressure, a transmission unit that transmits a data signal including a detection result of the pressure sensor to a receiver, a trigger reception unit that receives the trigger signal, and a controller that controls the transmitter. When the trigger reception unit receives the trigger signal including a command shifting a state of the transmitter to a standby state, the controller shifts the state of the transmitter to the standby state. Further, when the trigger reception unit receives the trigger signal including a command designating a mode while the state of the transmitter is the standby state, the controller sets the designated mode.

A device for nonlethally incapacitating a human target. The device can propel a net with one or more conductive loops toward a target. The device can then wirelessly electrically energize the conductive loop or loops to further incapacitate the target. In this manner a human target can be safely captured and controlled.

The invention relates to a protective helmet, and in particular, to a protective motorcycle helmet, comprising an antenna (1) for radio transmission, an outer shell (2) for distributing impact forces, an inner layer (3), which is accommodated by the outer shell (2), for damping impact forces, and a socket (4), which is firmly connected to the outer shell (2), for contacting a digital device (5) for wireless communication, wherein the socket (4), when contacting the digital device (5), electrically connects the latter to the antenna (1) for wireless communication. The protective helmet is characterized in that at least a partial layer of the outer shell (2) is disposed between the antenna (1) and the inner layer (3).

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.

A portable radio includes a printed circuit board, a frame positioned in front of the printed circuit board, a speaker positioned within the frame, a support platform positioned in front of the speaker and the frame, a button positioned in front of the support platform, and electrical components linked between the button and the printed circuit board. The button is movable between a first position where an electrical signal is sent through the plurality of electrical components to the printed circuit board, and a second position where the electrical signal is interrupted.

A transmitter for a car includes a cable, a housing and a mounting member. The housing includes therein a magnetic member, a circuit board, a Bluetooth module, an FM transmitting module, and a control module that are electrically connected to the circuit board. The cable is electrically connected to the circuit board. The mounting member is rotatable with respect to the housing. After the Bluetooth module is connected to the electronic device, the control module is used to receive an audio file transmitted from the electronic device through the Bluetooth module, and process the audio file into audio signals. The control module is further used to transmit the audio signals to the FM transmitting module, and the FM transmitting module is used to transmit the audio signals to a car radio of the car.

A transmitter for a car includes a cable, a housing and a mounting member. The housing includes therein a magnetic member, a circuit board, a Bluetooth module, an FM transmitting module, and a control module that are electrically connected to the circuit board. The cable is electrically connected to the circuit board. The mounting member is rotatable with respect to the housing. After the Bluetooth module is connected to the electronic device, the control module is used to receive an audio file transmitted from the electronic device through the Bluetooth module, and process the audio file into audio signals. The control module is further used to transmit the audio signals to the FM transmitting module, and the FM transmitting module is used to transmit the audio signals to a car radio of the car.

A self-retracting lanyard system includes a self-retracting lanyard having a main body and a retractable line, a harness connected to the retractable line and wearable by the user of the self-retracting lanyard, and an electronic device disposable on the harness. The electronic device includes an accelerometer, a processor or programmable circuit, and a non-transitory program storage medium on which are stored instructions executable by the processor or programmable circuit to perform operations including receiving a measurement from the accelerometer, comparing the measurement to a threshold, detecting that the user of the self-retracting lanyard has fallen based on a result of the comparing, and instructing a wireless transmitter to transmit a wireless signal in response to the detection that the user has fallen.

A self-retracting lanyard system includes a self-retracting lanyard having a main body and a retractable line, a harness connected to the retractable line and wearable by the user of the self-retracting lanyard, and an electronic device disposable on the harness. The electronic device includes an accelerometer, a processor or programmable circuit, and a non-transitory program storage medium on which are stored instructions executable by the processor or programmable circuit to perform operations including receiving a measurement from the accelerometer, comparing the measurement to a threshold, detecting that the user of the self-retracting lanyard has fallen based on a result of the comparing, and instructing a wireless transmitter to transmit a wireless signal in response to the detection that the user has fallen.