US2736822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hall effect apparatus
Assignee: General Electric Co
•
Filing: 1952-05-09
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Granted: 1956-02-28
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Expires: 1972-05-09
Abstract
No abstract record available.
Inventors
- 👤 Jr William C Dunlap
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:33
CPC Classifications
H; H03; H03F; H03F9/00; G; G01; G01R; G01R21/00; G01R21/08; H03F99/00; H10; H10D; H10D48/00; H10D48/40; Y; Y10; Y10S; Y10S310/00; Y10S310/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
HALL EFFECT APPARATUS COMPRISING A HALL PLATE INCLUDING A GERMANIUM BODY MEMBER OF PREDETERMINED POLARITY CONDUCTIVITY TYPE AND HAVING A PAIR OF INPUT ELECTRODES FOR SUPPLYING A CURRENT ALONG ONE AXIS OF SAID BODY MEMBER AND A PAIR OF OUTPUT ELECTRODES ALONG AN ORTHOGONAL AXIS HALL EFECT VOLTAGE DEVELOPED ALONG AN ORTHOGONAL AXIS THEREOF, ONE OF SAID INPUT ELECTRODES CONSTITUTING A MOBILE CHARGE EMITTING CONNECTION WITH SAID BODY MEMBER FOR EMITTING CONDUCTION CARRIERS THEREINTO OF OPPOSITE POLARITY TO THE CONDUCTIVITY TYPE OF SAID BODY MEMBER, MEANS FOR ESTABLISHING A MAGNETIC FIELD THROUGH SAID PLATE IN A DIRECTION PERPENDICULAR TO THE PLANE THEREOF, AND MEANS FOR SUPPLYING TO SAID MOBILE CHARGE EMITTING ELECTRODE AND RELATIVE TO SAID OTHER INPUT ELECTRODE AN ELECTRIC POTENTIAL HAVING THE SAME POLARITY AS SAID EMITTED CONDUCTION CARRIERS.
Claim 2
Dependent Claim
131 words
HALL EFFECT APPARATUS COMPRISING A HALL PLATE INCLUDING A GERMANIUM BODY MEMBER OF PREDETERMINED POLARITY CONDUCTIVITY TYPE AND HAVING A PAIR OF INPUT ELECTRODES FOR SUPPLYING A CURRENT ALONG ONE AXIS OF SAID BODY MEMBER AND A PAIR OF OUTPUT ELECTRODES ALONG AN ORTHOGONAL AXIS HALL EFECT VOLTAGE DEVELOPED ALONG AN ORTHOGONAL AXIS THEREOF, ONE OF SAID INPUT ELECTRODES CONSTITUTING A MOBILE CHARGE EMITTING CONNECTION WITH SAID BODY MEMBER FOR EMITTING CONDUCTION CARRIERS THEREINTO OF OPPOSITE POLARITY TO THE CONDUCTIVITY TYPE OF SAID BODY MEMBER, MEANS FOR ESTABLISHING A MAGNETIC FIELD THROUGH SAID PLATE IN A DIRECTION PERPENDICULAR TO THE PLANE THEREOF, AND MEANS FOR SUPPLYING TO SAID MOBILE CHARGE EMITTING ELECTRODE AND RELATIVE TO SAID OTHER INPUT ELECTRODE AN ELECTRIC POTENTIAL HAVING THE SAME POLARITY AS SAID EMITTED CONDUCTION CARRIERS.
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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) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |