Patent US3230356A successfully refreshed from Google Patents.
US3230356A
Expired / Lapsed
US
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Device for analogue solution of differential equations
Assignee: Individual
•
Filing: 1962-04-27
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Granted: 1966-01-18
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Expires: 1982-04-27
Abstract
No abstract record available.
Inventors
- 👤 Theodore E Pochapsky
- 👤 Tolstoy Ivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:01
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/32; G06G7/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A DEVICE FOR SIMULATING NON-HOMOGENEOUS DIFFERENTIAL EQUATIONS WITH VARIABLE COEFFICIENTS COMPRISING, IN COMBINATION: MEANS FOR ESTABLISHING A TIME-INVARIANT, UNIFORM MAGNETIC FIELD; ROTATABLE SHAFT MEANS; THREE FLAT COILS FIXEDLY ATTACHED TO SAID SHAFT MEANS TO FORM AN ASSEMBLY, SAID ASSEMBLY BEING PLACED WITHIN SAID MAGNETIC FIELD SO THAT, IN THE ABSENCE OF DRIVING CURRENTS IN THE COILS, THE PLANE OF THE FIRST COIL IS PERPENDICULAR TO, AND THE PLANES OF THE SECOND AND THIRD COILS ARE PARALLEL TO, THE DIRECTION OF SAID MAGNETIC FIELD; MEANS FOR PRODUCING A CURRENT IN SAID FIRST COIL IN AC-
Claim 2
Independent Claim
94 words
A DEVICE FOR SIMULATING NON-HOMOGENEOUS DIFFERENTIAL EQUATIONS WITH VARIABLE COEFFICIENTS COMPRISING, IN COMBINATION: MEANS FOR ESTABLISHING A TIME-INVARIANT, UNIFORM MAGNETIC FIELD; ROTATABLE SHAFT MEANS; THREE FLAT COILS FIXEDLY ATTACHED TO SAID SHAFT MEANS TO FORM AN ASSEMBLY, SAID ASSEMBLY BEING PLACED WITHIN SAID MAGNETIC FIELD SO THAT, IN THE ABSENCE OF DRIVING CURRENTS IN THE COILS, THE PLANE OF THE FIRST COIL IS PERPENDICULAR TO, AND THE PLANES OF THE SECOND AND THIRD COILS ARE PARALLEL TO, THE DIRECTION OF SAID MAGNETIC FIELD; MEANS FOR PRODUCING A CURRENT IN SAID FIRST COIL IN AC-
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |