DETECTING AND RANGING SYSTEM
Assignee
Filed
May 24, 1960
Granted
Dec 4, 1990
Location
Abstract
This invention relates to detecting and ranging on energy sources and morearticularly to ascertaining the presence and range of sound emitting sources by passive apparatus.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Jul 22, 1982
Rescinded
Jun 25, 1990
Duration
7 years, 11 months
Record Details
- Patent number
- US 4975886
- Application
- 04031493
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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