US3226534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconductive adder and correlator
Assignee: International Business Machines Corp
•
Filing: 1961-12-07
•
Granted: 1965-12-28
•
Expires: 1981-12-07
Abstract
No abstract record available.
Inventors
- 👤 William J Fitzgerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:39
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/001; G; G06; G06F; G06F7/00; G06F7/38; G06F7/381; G11; G11C; G11C11/00; G11C11/21; G11C11/44
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
150 words
A CIRCUIT OF THE CLASS DESCRIBED COMPRISING TWO PARALLEL SUPERCONDUCTIVE PATHS AND A CURRENT SOURCE THEREFOR, A FIRST PATH INCLUDING A SERIES OF CRYOTRONS AND A SECOND PATH INCLUDING A SERIES OF AND CIRCUITS CONDITIONED BY CURRENT FLOWING IN SAID SECOND PATH, MEANS FOR DIVERTING ALL OF THE CURRENT FROM SAID SOURCE TO FLOW ONLY IN SAID FIRST PATH, MEANS FOR DRIVING ANY NUMBER OF CRYOTRONS TO THEIR RESIISTIVE STATES SO AS TO CAUSE ALL THE CURRENT IN THE FIRST PATH TO SWITCH TO THE SECOND PATH AT A SPEED THAT IS A FUNCTION OF THE NUMBER OF CRYOTRONS DRIVEN TO THEIR RESISTIVE STATES; AND, MEANS FOR APPLYING A SERIES OF TIMEDISCTRIBUTED PULSES TO SAID AND CIRCUITS, WHEREBY EACH AND CIRCUIT IS ACTUATED WHEN THE APPEARANCE OF A TIMEDISTRIBUTED PULSE THEREAT COINCIDES WITH A MINIMUM LEVEL REACHED BY THE CURRENT BEING SWITCHED FROM SAID FIRST PATH TO SAID SECOND PATH.
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |