Patent US3192367A successfully refreshed from Google Patents.
US3192367A
Expired / Lapsed
US
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Fast multiply system
Assignee: Unisys Corp
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Filing: 1962-05-09
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Granted: 1965-06-29
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Expires: 1982-05-09
Abstract
No abstract record available.
Inventors
- 👤 Richard M Oman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:38
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/52; G06F7/523; G06F7/533; G06F7/5334; G06F7/5336
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
IN A DEVICE FOR PERFORMING BINARY MULTIPLICATION IN A SEQUENCE OF ITERATIVE CYCLES, THE COMBINATION COMPRISING: MULTIPLIER STORAGE MEANS; MULTIPLICAND STORAGE MEANS; FIRST GATING MEANS CONNECTED TO SAID MULTIPLICAND STORAGE MEANS FOR PRODUCING A FIRST PARTIAL PRODUCT ON EACH OF SAID ITERATIVE CYCLES; SECOND GATING MEANS CONNECTED TO SAID MULTIPLICAND STORAGE MEANS FOR PRODUCING A SECOND PARTIAL PRODUCT ON EACH OF SAID ITERATIVE CYCLES; FIRST SENSING MEANS FOR SENSING ALTERNATE PAIRS OF DIGITS OF SAID MULTIPLIER, SAID FIRST SENSING MEANS INCLUDING A FIRST GATING CONTROL CIRCUIT AND A FITST CARRY CIRCUIT; SECOND SENSING MEANS FOR SENSING THE PAIRS OF MULTIPLIER DIGITS NOT SENSED BY SAID FIRST SENSING MEANS, SAID SECOND SENSING MEANS INCLUDING A SECOND GATING CONTROL CIRCUIT AND A SECOND CARRY CIRCUIT; SAID FIRST AND SECOND GATING CONTROL CIRCUITS BEING CONNECTED TO SAID FIRST AND SECOND GATING MEANS, RESPECTIVELY, TO CONTROL THE PRODUCTION OF SAID FIRST AND SECOND PARTIAL PRODUCTS; MEANS FOR CONNECTING SAID FIRST CARRY CIRCUIT TO SAID SECOND CARRY AND GATING CONTROL CIRCUITS; AND MEANS FOR CONNECTING SAID SECOND CARRY CIRCUIT TO SAID FIRST CARRY AND GATING CONTROL CIRCUITS.
Claim 2
Dependent Claim
182 words
IN A DEVICE FOR PERFORMING BINARY MULTIPLICATION IN A SEQUENCE OF ITERATIVE CYCLES, THE COMBINATION COMPRISING: MULTIPLIER STORAGE MEANS; MULTIPLICAND STORAGE MEANS; FIRST GATING MEANS CONNECTED TO SAID MULTIPLICAND STORAGE MEANS FOR PRODUCING A FIRST PARTIAL PRODUCT ON EACH OF SAID ITERATIVE CYCLES; SECOND GATING MEANS CONNECTED TO SAID MULTIPLICAND STORAGE MEANS FOR PRODUCING A SECOND PARTIAL PRODUCT ON EACH OF SAID ITERATIVE CYCLES; FIRST SENSING MEANS FOR SENSING ALTERNATE PAIRS OF DIGITS OF SAID MULTIPLIER, SAID FIRST SENSING MEANS INCLUDING A FIRST GATING CONTROL CIRCUIT AND A FITST CARRY CIRCUIT; SECOND SENSING MEANS FOR SENSING THE PAIRS OF MULTIPLIER DIGITS NOT SENSED BY SAID FIRST SENSING MEANS, SAID SECOND SENSING MEANS INCLUDING A SECOND GATING CONTROL CIRCUIT AND A SECOND CARRY CIRCUIT; SAID FIRST AND SECOND GATING CONTROL CIRCUITS BEING CONNECTED TO SAID FIRST AND SECOND GATING MEANS, RESPECTIVELY, TO CONTROL THE PRODUCTION OF SAID FIRST AND SECOND PARTIAL PRODUCTS; MEANS FOR CONNECTING SAID FIRST CARRY CIRCUIT TO SAID SECOND CARRY AND GATING CONTROL CIRCUITS; AND MEANS FOR CONNECTING SAID SECOND CARRY CIRCUIT TO SAID FIRST CARRY AND GATING CONTROL CIRCUITS.
References Cited (Backward Citations)
US2856126A
Cited
US3069085A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |