RADIO FREQUENCY PHASE SENSITIVE WIRE DETECTOR
Assignee
Filed
Apr 20, 1973
Granted
Sep 28, 1993
Location
Abstract
An underwater object detection system and method are described which util changing phase relationships between radio waves received by a moving underwater receiver, via a retransmitting underwater object, and radio waves received through air directly from a transmitter. The moving underwater receiver is characterized by an envelope or encapsulation of material of different radio wave propagation rate than that of the water medium, so that a markedly different phase change relation exists when the underwater receiver is in contact with the object.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Jan 7, 1982
Rescinded
Feb 24, 1993
Duration
11 years, 1 month
Inventor
- 1JAMES L. KIRKLAND
Record Details
- Patent number
- US 5249162
- Application
- 00535456
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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