US3207912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-aperture core logic circuit
Assignee: TE Connectivity Corp
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Filing: 1960-12-07
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Granted: 1965-09-21
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Expires: 1980-12-07
Abstract
No abstract record available.
Inventors
- 👤 John C Mallinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:57
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/80; H03K17/82
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
A LOGIC CIRCUIT COMPRISING AT LEAST TWO INPUT CORES AND AN OUTPUT CORE, EACH BEING OF MAGNETIC FERRITE MATERAL AND HAVING A LARGE CENTRAL APERTURE AND A MINOR APERTURE, INPUT SIGNAL MEANS TO SET FLUX IN EACH OF SAID INPUT CORES, A PLURALITY OF COUPLING WINDINGS EACH LINKING A RESPECTIVE MINOR APERTURE OF AN INPUT CORE AND A LEG OF SAID OUTPUT CORE AT ITS MINOR APERTURE, AN OUTPUT WINDING ENCIRCULING A LEG OF SAID OUTPUT CORE AT ITS MINOR APERTURE, A FIRST DRIVE WINDING LINKING SAID INPUT CORES, A SECOND DRIVE WINDING LINKING SAID OUTPUT CORE, AND A PRIME WINDING THROUGH SAID MINOR APERTURES OF SAID INPUT AND OUTPUT CORES TO REVERSE FLUX SET LOCALLY THEREAROUND.
References Cited (Backward Citations)
US2297220A
Cited
US3030519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |