US3139531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic shift circuits
Assignee: Unisys Corp
•
Filing: 1960-10-11
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Granted: 1964-06-30
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Expires: 1980-10-11
Abstract
No abstract record available.
Inventors
- 👤 Franck Abraham
- 👤 George F Marette
- 👤 Berc I Parsegyan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:16
CPC Classifications
G; G06; G06F; G06F5/00; G06F5/01; G06F5/015; G11; G11C; G11C19/00; G11C19/02; G11C19/08; G11C19/0875
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A DIGITAL SIGNAL SHIFT CIRCUIT COMPRISING TWO SINGLELENGTH DIGITAL-WORD INPUT MEANS, EACH MEANS CARRYING A PREDETERMINED NUMBER OF ELECTRICAL BIVALUED SIGNALS, SINGLE-LENGTH DIGITAL-WORD PARALLEL SIGNAL SHIFTING MEANS CONNECTED TO THE INPUT MEANS AND HAVING A DOUBLE-LENGTH DIGITAL-WORD SET OF OUTPUT LINES WHEREBY A SINGLE LENGTH WORD FROM THE INPUT MEANS IS TRANSFERRED TO PREDETERMINED ONES OF THE LINES FOR A PREDETERMINED SIGNAL SHIFT IRRESPECTIVE OF ANY ARBITRARILY ASSIGNED NUMERIC VALUES IN THE WORDS, TWO OUTPUT GATING MEANS WITH EACH MEANS BEING CONNECTED TO EVERY OUTPUT LINE, OUTPUT SIGNAL UTILIZATION MEANS CONNECTED TO THE OUTPUT GATING MEANS SUCH THAT ONE OUTPUT GATING MEANS EFFECTIVELY CONNECTS EACH OUTPUT LINE TO THE UTILIZATION MEANS DISPLACED ONE SINGLELENGTH-DIGITAL-WORD FROM THE OTHER OUTPUT GATING MEANS EFFECTIVE CONNECTION, AND CONTROL MEANS IN THE SHIFT CIRCUIT FOR SEQUENCING THE OPERATION OF SAME AND INCLUDING SHIFT COUNT MEANS CONNECTED TO THE OUTPUT GATING MEANS FOR SEQUENTIALLY MOMENTARILY OPENING THE OUTPUT GATE MEANS
Claim 2
Dependent Claim
154 words
A DIGITAL SIGNAL SHIFT CIRCUIT COMPRISING TWO SINGLELENGTH DIGITAL-WORD INPUT MEANS, EACH MEANS CARRYING A PREDETERMINED NUMBER OF ELECTRICAL BIVALUED SIGNALS, SINGLE-LENGTH DIGITAL-WORD PARALLEL SIGNAL SHIFTING MEANS CONNECTED TO THE INPUT MEANS AND HAVING A DOUBLE-LENGTH DIGITAL-WORD SET OF OUTPUT LINES WHEREBY A SINGLE LENGTH WORD FROM THE INPUT MEANS IS TRANSFERRED TO PREDETERMINED ONES OF THE LINES FOR A PREDETERMINED SIGNAL SHIFT IRRESPECTIVE OF ANY ARBITRARILY ASSIGNED NUMERIC VALUES IN THE WORDS, TWO OUTPUT GATING MEANS WITH EACH MEANS BEING CONNECTED TO EVERY OUTPUT LINE, OUTPUT SIGNAL UTILIZATION MEANS CONNECTED TO THE OUTPUT GATING MEANS SUCH THAT ONE OUTPUT GATING MEANS EFFECTIVELY CONNECTS EACH OUTPUT LINE TO THE UTILIZATION MEANS DISPLACED ONE SINGLELENGTH-DIGITAL-WORD FROM THE OTHER OUTPUT GATING MEANS EFFECTIVE CONNECTION, AND CONTROL MEANS IN THE SHIFT CIRCUIT FOR SEQUENCING THE OPERATION OF SAME AND INCLUDING SHIFT COUNT MEANS CONNECTED TO THE OUTPUT GATING MEANS FOR SEQUENTIALLY MOMENTARILY OPENING THE OUTPUT GATE MEANS
References Cited (Backward Citations)
US2734182A
Cited
US2776419A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |