US3148351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Directional hydrophone system
Assignee: BARTLETT LAB Inc
•
Filing: 1961-06-12
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Granted: 1964-09-08
•
Expires: 1981-06-12
Abstract
No abstract record available.
Inventors
- 👤 Peter G Bartlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:10
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0644; B06B1/0655; G; G01; G01R; G01R33/00; G01R33/02; G01R33/06; G01R33/07; G01V; G01V1/00; G01V1/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A RESOLVING SYSTEM COMPRISING A TRANSDUCER, A FIRST HALL GENERATOR AND A SECOND HALL GENERATOR BOTH FIXED WITH RELATION TO SAID TRANSDUCER AND ARRANGED AT AN ANGLE WITH RESPECT TO ONE ANOTHER, SAID FIRST AND SECOND HALL GENERATORS ADAPTED TO BE POSITIONED IN THE EARTH''S MAGNETIC FIELD, MEANS ADAPTED TO PROVIDE AN ALTERNATING CURRENT ACROSS SAID GENERATORS, SAID CURRENT TO SAID FIRST GENERATOR SHIFTED IN PHASE FROM SAID CURRENT TO SAID SECOND GENERATOR, SAID TRANSDUCER ADAPTED TO CONVERT A DIRECTIONAL INPUT INTO A PAIR OF OUTPUTS PROPORTIONAL TO THE FUNCTIONS OF THE ANGLE OF ORIENTATION OF THE TRANDUCER WITH RESPECT TO THE DIRECTION OF THE DIRECTIONAL INPUT, AND MEANS RECEIVING THE OUTPUT OF THE TRANSDUCER AND THE OUTPUT OF THE HALL GENERATORS AND DEFINING A NETWORK FOR PROVIDING A PAIR OF OUTPUTS PROPORTIONAL TO THE FUNCTIONS OF THE ANGLE BETWEEN THE DIRECTION OF THE SOUND AND NORTH.
Claim 2
Dependent Claim
147 words
A RESOLVING SYSTEM COMPRISING A TRANSDUCER, A FIRST HALL GENERATOR AND A SECOND HALL GENERATOR BOTH FIXED WITH RELATION TO SAID TRANSDUCER AND ARRANGED AT AN ANGLE WITH RESPECT TO ONE ANOTHER, SAID FIRST AND SECOND HALL GENERATORS ADAPTED TO BE POSITIONED IN THE EARTH''S MAGNETIC FIELD, MEANS ADAPTED TO PROVIDE AN ALTERNATING CURRENT ACROSS SAID GENERATORS, SAID CURRENT TO SAID FIRST GENERATOR SHIFTED IN PHASE FROM SAID CURRENT TO SAID SECOND GENERATOR, SAID TRANSDUCER ADAPTED TO CONVERT A DIRECTIONAL INPUT INTO A PAIR OF OUTPUTS PROPORTIONAL TO THE FUNCTIONS OF THE ANGLE OF ORIENTATION OF THE TRANDUCER WITH RESPECT TO THE DIRECTION OF THE DIRECTIONAL INPUT, AND MEANS RECEIVING THE OUTPUT OF THE TRANSDUCER AND THE OUTPUT OF THE HALL GENERATORS AND DEFINING A NETWORK FOR PROVIDING A PAIR OF OUTPUTS PROPORTIONAL TO THE FUNCTIONS OF THE ANGLE BETWEEN THE DIRECTION OF THE SOUND AND NORTH.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |