Ultrasonic measuring system and method of operation

Ultrasonic sensor

Ultrasonic transmission device

Ultrasonic wave microphone

Unitary rotational speed sensor

Unitized tone ring assembly

Universal sensor controller for a thermal anemometer

Vane designed to be oriented in the ambient air flow axis

Vane for measuring wind orientation with integrated heater

Variable colour digital tachometer

Variable gain vehicle speed control system

Variable inductance transducers

Variable reluctance rotation sensor

Variable reluctance sensor with noise elimination

Vehicle collision detecting apparatus

Vehicle crash sensing system

Vehicle meter

Vehicle monitoring device

Vehicle motion alarm

Vehicle road speed signal source