US3162804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Translating instrument employing hall-effect device
Assignee: General Precision Inc
•
Filing: 1961-09-15
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Granted: 1964-12-22
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Expires: 1981-09-15
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:04
CPC Classifications
H; H02; H02K; H02K24/00; G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/142; G01D5/145; G08; G08C; G08C19/00; G08C19/38; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1261
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
ROTARY ELECTROMECHANICAL APPARATUS COMPRISING: A SHAFT; MEANS MOUNTING SAID SHAFT FOR ROTATION ABOUT ITS LONGITUDINAL AXIS; A MAGNETIC FLUX-SOURCE MEMBER OF CIRCULAR CONFIGURATION HAVING ITS POLES ON DIAMETRICALLY OPPOSITE SIDES AND A MEMBER OF LOW MAGNETIC RELUCTANCE OF CIRCULAR CONFIGURATION MOUNTED ON SAID SHAFT FOR CONJOINT ROTATION THEREWITH, SAID MEMBERS HAVING CONFRONTING PARALLEL SURFACES DEFINING THEREBETWEEN AN ANNULAR AIR GAP SYMMETRICALLY DISPOSED ABOUT SAID SHAFT; A HALL EFFECT GENERATOR; AND MEANS FIXEDLY SUPPORTING SAID HALL EFFECT GENERATOR IN SAID AIR GAP TRANSVERSELY OF THE FLUX FIELD THEREIN, WHEREBY THE HALL EFFECT VOLTAGE DROP ACROSS SAID HALL EFFECT GENERATOR VARIES SINUSOIDALLY WITH THE ROTATION OF SAID MEMBERS OF CIRCULAR CONFIGURATION.
Claim 2
Dependent Claim
109 words
ROTARY ELECTROMECHANICAL APPARATUS COMPRISING: A SHAFT; MEANS MOUNTING SAID SHAFT FOR ROTATION ABOUT ITS LONGITUDINAL AXIS; A MAGNETIC FLUX-SOURCE MEMBER OF CIRCULAR CONFIGURATION HAVING ITS POLES ON DIAMETRICALLY OPPOSITE SIDES AND A MEMBER OF LOW MAGNETIC RELUCTANCE OF CIRCULAR CONFIGURATION MOUNTED ON SAID SHAFT FOR CONJOINT ROTATION THEREWITH, SAID MEMBERS HAVING CONFRONTING PARALLEL SURFACES DEFINING THEREBETWEEN AN ANNULAR AIR GAP SYMMETRICALLY DISPOSED ABOUT SAID SHAFT; A HALL EFFECT GENERATOR; AND MEANS FIXEDLY SUPPORTING SAID HALL EFFECT GENERATOR IN SAID AIR GAP TRANSVERSELY OF THE FLUX FIELD THEREIN, WHEREBY THE HALL EFFECT VOLTAGE DROP ACROSS SAID HALL EFFECT GENERATOR VARIES SINUSOIDALLY WITH THE ROTATION OF SAID MEMBERS OF CIRCULAR CONFIGURATION.
References Cited (Backward Citations)
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Cited
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Cited
US2924633A
Cited
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US3018395A
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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) | 1967-12-22 | 1968-06-22 | 1968-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-22 | 1972-06-22 | 1972-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-22 | 1976-06-22 | 1976-12-22 | $7700.00 | Window Closed / Lapsed |