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Rescinded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
Record Details
- Patent number
- US 5008860
- Application
- 07336452
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
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