Accession Number:

ADD007175

Title:

An Improved Self-Powered Vehicle Detection System.

Descriptive Note:

Patent Application,

Corporate Author:

DEPARTMENT OF THE NAVY WASHINGTON DC

Report Date:

1980-02-01

Pagination or Media Count:

24.0

Abstract:

An improved self-powered vehicle detector SPVD uses a two-axis magnetometer in conjunction with digital nulling loops to sense a vehicles magnetic signature and then telemeter vehicle presence information to a roadside receiver. The SPVD system includes a tone code transmitter and an omnidirectional microstrip antenna to simplify installation and maintenance of the SPVD. Author

Subject Categories:

  • Surface Transportation and Equipment
  • Magnetic and Electric Field Detection and Detectors

Distribution Statement:

APPROVED FOR PUBLIC RELEASE