US3319161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flux gate magnetometer utilizing a thin helical strip of magnetic material as its core
Assignee: Bunker Ramo Corp
•
Filing: 1966-01-19
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Granted: 1967-05-09
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Expires: 1986-01-19
Abstract
No abstract record available.
Inventors
- 👤 John C Beynon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:59
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/02; G01R33/04; G01R33/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A FLUX GATE MAGNETOMETER SENSING ELEMENT COMPRISING: A HOLLOW CYLINDER HAVING AN AXIAL BORE OF PREDETERMINED DIAMETER; A THIN STRIP OF MAGNETICALLY SATURABLE MATERIAL HELICALLY WOUND AND COAXIALLY DISPOSED WITHIN SAID BORE RESILIENTLY BEARING AGAINST THE INNER SURFACE OF THE CYLINDER; A PAIR OF OPPOSITELY-WOUND INPUT WINDINGS POSITIONED ABOUT THE EXTERIOR OF SAID CYLINDER FOR APPLYING AN ALTERNATING-CURRENT INPUT SIGNAL TO SAID STRIP; AND A PAIR OF LIKE-WOUND OUTPUT WINDINGS POSITIONED ABOUT THE EXTERIOR OF SAID CYLINDER FOR INDICATING THE FLUX CONDITION OF SAID STRIP.
Claim 2
Dependent Claim
85 words
A FLUX GATE MAGNETOMETER SENSING ELEMENT COMPRISING: A HOLLOW CYLINDER HAVING AN AXIAL BORE OF PREDETERMINED DIAMETER; A THIN STRIP OF MAGNETICALLY SATURABLE MATERIAL HELICALLY WOUND AND COAXIALLY DISPOSED WITHIN SAID BORE RESILIENTLY BEARING AGAINST THE INNER SURFACE OF THE CYLINDER; A PAIR OF OPPOSITELY-WOUND INPUT WINDINGS POSITIONED ABOUT THE EXTERIOR OF SAID CYLINDER FOR APPLYING AN ALTERNATING-CURRENT INPUT SIGNAL TO SAID STRIP; AND A PAIR OF LIKE-WOUND OUTPUT WINDINGS POSITIONED ABOUT THE EXTERIOR OF SAID CYLINDER FOR INDICATING THE FLUX CONDITION OF SAID STRIP.
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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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |