Research/Patents/US 5008860
US 5008860Tier 3 — General Defense

POSITION AND VELOCITY MEASURING SYSTEM

Assignee

US Government

Filed as: UNITED STATES OF AMERICA, THE, AS REPRESENTED BY THE SECRETARY OF THE NAVY

Filed

Mar 16, 1989

Granted

Apr 16, 1991

Location

WESTPORT MA US

Abstract

A position and velocity determining system, that uses two functioned receiver-transmitters. In performing a first function, each receiver-transmitter transmits an acoustic pulse at a unique frequency, in response to a first received accoustic pulse. In performing a second function, each receiver-transmitter transmits a continuous acoustic signal at a unique frequency, in response to a second received acoustic pulse.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Jun 14, 1989

Rescinded

Nov 15, 1990

Duration

1 year, 5 months

Inventor

  • 1THOMAS P. RILEY
Back to patent indexSource: USPTO 35 USC §181 secrecy order records