RF /ACOUSTIC PERSON LOCATOR SYSTEM

摘要

A locator system, including a transmitter device carried by a first individual transmitting an acoustic sound and a RF pulse. A RF receiver is carried by a second individual dispatched to rescue the first individual. The receiver receives the acoustic sound using a pair of acoustic receivers and RF pulse and calculates the distance to and bearing of the transmitter. Both transmitter and receiver include temperature data for calculating the ambient speed of sound. A display informs the second individual of the distance and bearing. The transmitter is activated by choice or when motionless for a predetermined time.