Patent US3214715A successfully refreshed from Google Patents.
US3214715A
Expired / Lapsed
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Apparatus for controlling magnetic pulse counting and forming devices
Assignee: Electrodynamics Inc
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Filing: 1961-10-17
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Granted: 1965-10-26
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Expires: 1981-10-17
Abstract
No abstract record available.
Inventors
- 👤 Melvin A Lace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:17
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/76; G; G06; G06M; G06M1/00; G06M1/08; G06M1/10; G06M1/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN A PULSE COUNTING AND FORMING DEVICE, THE COMBINATION COMPRISING A SATURABLE ANNULAR CORE FORMED OF SUBSTANTIALLY RECTANGULAR HYSTERESIS LOOP MATERIAL, A WINDING ON SAID CORE FOR DRIVING THE CORE FROM ONE RESIDUAL SATURATION STATE IN THE OTHER UPON RECEIPT OF A GIVEN VOLT-SECOND PRODUCT, A MAGNET POSITIONED WITH ITS POLES CLOSELY ADJACENT SAID CORE SO THAT AT LEAST A PORTION OF THE FLUX FIELD OF SAID MAGNET PASSES THROUGH SAID CORE, TO CHANGE THE RESIDUAL MAGNETIC STATE OF SAID CORE AND THUS CHANGE THE EFFECTIVE VOLT-SECOND CONTENT REQUIRED TO DRIVE IT FROM ONE SATURATION STATE TO THE OTHER, AND A SHIELD OF PERMEABLE MATERIAL MOUNTED FOR MOVEMENT TO AN OPERATIVE POSITION BETWEEN SAID MAGNET AND SAID CORE SO THAT WHEN IN OPERATIVE POSITION SAID SHIELD SHUNTS THE LINES OF FLUX IN SAID FIELD TO DIMINISH THE EFFECT OF SAID FIELD ON SAID CORE AND THUS DECREASE THE EFFECTIVE VOLT-SECOND CONTENT OF THE CORE.
Claim 2
Dependent Claim
154 words
IN A PULSE COUNTING AND FORMING DEVICE, THE COMBINATION COMPRISING A SATURABLE ANNULAR CORE FORMED OF SUBSTANTIALLY RECTANGULAR HYSTERESIS LOOP MATERIAL, A WINDING ON SAID CORE FOR DRIVING THE CORE FROM ONE RESIDUAL SATURATION STATE IN THE OTHER UPON RECEIPT OF A GIVEN VOLT-SECOND PRODUCT, A MAGNET POSITIONED WITH ITS POLES CLOSELY ADJACENT SAID CORE SO THAT AT LEAST A PORTION OF THE FLUX FIELD OF SAID MAGNET PASSES THROUGH SAID CORE, TO CHANGE THE RESIDUAL MAGNETIC STATE OF SAID CORE AND THUS CHANGE THE EFFECTIVE VOLT-SECOND CONTENT REQUIRED TO DRIVE IT FROM ONE SATURATION STATE TO THE OTHER, AND A SHIELD OF PERMEABLE MATERIAL MOUNTED FOR MOVEMENT TO AN OPERATIVE POSITION BETWEEN SAID MAGNET AND SAID CORE SO THAT WHEN IN OPERATIVE POSITION SAID SHIELD SHUNTS THE LINES OF FLUX IN SAID FIELD TO DIMINISH THE EFFECT OF SAID FIELD ON SAID CORE AND THUS DECREASE THE EFFECTIVE VOLT-SECOND CONTENT OF THE CORE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |