US3237151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater detection by interface coupling
Assignee: Lockheed Martin Corp
•
Filing: 1963-07-08
•
Granted: 1966-02-22
•
Expires: 1983-07-08
Abstract
No abstract record available.
Inventors
- 👤 Thorpe Howard Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:41
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/38; G01V1/3808; G01S; G01S1/00; G01S1/72; G01S7/00; G01S7/52; G01S7/521; Y; Y10; Y10S; Y10S181/00; Y10S181/40; Y10S181/402
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
83 words
THE METHOD OF DETECTING AN UNDERWATER TARGET BY SOUND ECHOES COMPRISING THE STEPS OF: (A) LAUNCHING INTERFACE ACOUSTICAL COUPLER MEANS ONTO THE SURFACE OF THE WATER OVER THE AREA OF INTERSET; (B) INTRODUCING SOUND PICKUP MEANS INTO THE WATER IN SAID AREA OF INTEREST; (C) RAPIDLY TRAVERSING SAID COUPLER MEANS WITH A SOURCE OF AIRBORNE SOUND AND THEREBY PROPAGATING A PULSE OF SOUND ENERGY INTO THE WATER; AND (D) DETECTING THE PRESENCE OF ECHOES REFLECTED FROM SAID TARGET ARRIVING AT SAID PICKUP MEANS.
Claim 2
Independent Claim
83 words
THE METHOD OF DETECTING AN UNDERWATER TARGET BY SOUND ECHOES COMPRISING THE STEPS OF: (A) LAUNCHING INTERFACE ACOUSTICAL COUPLER MEANS ONTO THE SURFACE OF THE WATER OVER THE AREA OF INTERSET; (B) INTRODUCING SOUND PICKUP MEANS INTO THE WATER IN SAID AREA OF INTEREST; (C) RAPIDLY TRAVERSING SAID COUPLER MEANS WITH A SOURCE OF AIRBORNE SOUND AND THEREBY PROPAGATING A PULSE OF SOUND ENERGY INTO THE WATER; AND (D) DETECTING THE PRESENCE OF ECHOES REFLECTED FROM SAID TARGET ARRIVING AT SAID PICKUP MEANS.
Claim 3
Dependent Claim
62 words
SUBMARINE DETECTION APPARATUS COMPRISING: (A) A BUOY; (B) AERODYNAMIC GLIDE SURFACE MEANS MOUNTED ON SAID BUOY WHEREBY SAID BUOY MAY BE LAUNCHED FROM AN AIRCRAFT AND WILL FOLLOW A STABLE FLIGHT PATH UNTIL IT CONTACTS THE SURFACE OF THE WATER; AND (C) ACOUSTICAL INTERFACE COUPLING MEANS SUPPORTED BY SAID BUOY FOR PROVIDING AN ACOUSTICAL IMPEDANCE MATCH BETWEEN THE AIR AND SAID WATER.
Claim 4
Dependent Claim
62 words
SUBMARINE DETECTION APPARATUS COMPRISING: (A) A BUOY; (B) AERODYNAMIC GLIDE SURFACE MEANS MOUNTED ON SAID BUOY WHEREBY SAID BUOY MAY BE LAUNCHED FROM AN AIRCRAFT AND WILL FOLLOW A STABLE FLIGHT PATH UNTIL IT CONTACTS THE SURFACE OF THE WATER; AND (C) ACOUSTICAL INTERFACE COUPLING MEANS SUPPORTED BY SAID BUOY FOR PROVIDING AN ACOUSTICAL IMPEDANCE MATCH BETWEEN THE AIR AND SAID WATER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |