US3189762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hall effect apparatus
Assignee: Associated Electrical Industries Ltd
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Filing: 1963-03-19
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Granted: 1965-06-15
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Expires: 1983-03-19
Abstract
No abstract record available.
Inventors
- 👤 Galpin Robert Keith Portway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:24
CPC Classifications
H; H10; H10N; H10N52/00; H10N52/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
HALL EFFECT APPARATUS COMPRISING A MAGNETIZING STRUCTURE ENERGIZABLE TO PRODUCE IN A REGION BOUNDED BY THE STRUCTURE TWO INTERSECTING MAGNETIC FIELDS SUBSTANTIALLY PERPENDICULAR TO EACH OTHER, WHICH STRUCTURE HAS TO PAIRS OF SALIENT POLE-PIECES DISPOSED ON LINES NORMAL TO EACH OTHER WITH THE POLE-PIECES OF EACH PAIR EXTENDING INWARDLY TOWARDS BUT TERMININATING SHORT OF EACH OTHER WITH THEIR INNER ENDS BOUNDING SAID REGION, TOGETHER WITH A HALL EFFECT PRISM OF CRUCIFORM CROSS-SECTION LOCATED IN SAID REGION AND HAVING TWO PAIRS OF ELECTRODES RESPECTIVELY LOCATED AT THE OUTER ENDS OF OPPOSITE LIMBS OF THE PRISM AND A FURTHER PAIR OF ELECTRODES LOCATED ON OPPOSITE SURFACES OF THE PRISM AT INTERSECTION OF THE LIMBS.
Claim 2
Dependent Claim
112 words
HALL EFFECT APPARATUS COMPRISING A MAGNETIZING STRUCTURE ENERGIZABLE TO PRODUCE IN A REGION BOUNDED BY THE STRUCTURE TWO INTERSECTING MAGNETIC FIELDS SUBSTANTIALLY PERPENDICULAR TO EACH OTHER, WHICH STRUCTURE HAS TO PAIRS OF SALIENT POLE-PIECES DISPOSED ON LINES NORMAL TO EACH OTHER WITH THE POLE-PIECES OF EACH PAIR EXTENDING INWARDLY TOWARDS BUT TERMININATING SHORT OF EACH OTHER WITH THEIR INNER ENDS BOUNDING SAID REGION, TOGETHER WITH A HALL EFFECT PRISM OF CRUCIFORM CROSS-SECTION LOCATED IN SAID REGION AND HAVING TWO PAIRS OF ELECTRODES RESPECTIVELY LOCATED AT THE OUTER ENDS OF OPPOSITE LIMBS OF THE PRISM AND A FURTHER PAIR OF ELECTRODES LOCATED ON OPPOSITE SURFACES OF THE PRISM AT INTERSECTION OF THE LIMBS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |