US3274555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital data transfer circuit utilizing tunnel diodes
Assignee: Unisys Corp
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Filing: 1962-02-26
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Granted: 1966-09-20
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Expires: 1982-02-26
Abstract
No abstract record available.
Inventors
- 👤 Louzelle A Luke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:54
CPC Classifications
G; G06; G06F; G06F5/00; G06F5/01; G06F5/015
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A DIGITAL SIGNAL SHIFTING CIRCUIT COMPRISING; A PLURALITY OF SWITCHING CIRCUITS ARRANGED IN A MATRIX ARRAY OF ROWS AND COLUMNS; EACH OF SAID SWITCHING CIRCUITS COMPRISING TWO SIGNAL INPUT TERMINALS, AN OUTPUT TERMINAL, A TUNNEL DIODE ELECTRICALLY OPERATIONAL IN AT LEAST TWO DIFFERENT STATES, AND IMPEDANCE MEANS ELECTRICALLY INTERCONNECTING SAID INPUT TERMINALS, SAID OUTPUT TERMINAL AND ONE ELECTRODE OF SAID TUNNEL DIODE; AN INPUT DATA STORAGE REGISTER; AN OUTPUT DATA STORAGE REGISTER; MEANS CONNECTING ELECTRICAL SIGNAL REPRESENTATIONS OF THE DATA VALUE OF EACH DIFFERENT STAGE OF THE INPUT REGISTER TO A FIRST INPUT TERMINAL OF ALL OF THE SWITCHING CIRCUITS IN RESPECTIVELY DIFFERENT COLUMNS; IMPEDANCE MEANS CONNECTING THE OUTPUT TERMINAL OF DIFFERENT ONES OF THE SWITCHING CIRCUITS IN EACH COLUMN TO A RESPECTIVELY DIFFERENT STAGE OF SAID OUTPUT DATA STORAGE REGISTER; AND MEANS FOR SELECTIVELY APPLYING AN ELECTRICAL SIGNAL TO THE SECOND INPUT TERMINAL OF ALL OF THE SWITCHING CIRCUITS IN ANY ONE ROW.
Claim 2
Dependent Claim
154 words
A DIGITAL SIGNAL SHIFTING CIRCUIT COMPRISING; A PLURALITY OF SWITCHING CIRCUITS ARRANGED IN A MATRIX ARRAY OF ROWS AND COLUMNS; EACH OF SAID SWITCHING CIRCUITS COMPRISING TWO SIGNAL INPUT TERMINALS, AN OUTPUT TERMINAL, A TUNNEL DIODE ELECTRICALLY OPERATIONAL IN AT LEAST TWO DIFFERENT STATES, AND IMPEDANCE MEANS ELECTRICALLY INTERCONNECTING SAID INPUT TERMINALS, SAID OUTPUT TERMINAL AND ONE ELECTRODE OF SAID TUNNEL DIODE; AN INPUT DATA STORAGE REGISTER; AN OUTPUT DATA STORAGE REGISTER; MEANS CONNECTING ELECTRICAL SIGNAL REPRESENTATIONS OF THE DATA VALUE OF EACH DIFFERENT STAGE OF THE INPUT REGISTER TO A FIRST INPUT TERMINAL OF ALL OF THE SWITCHING CIRCUITS IN RESPECTIVELY DIFFERENT COLUMNS; IMPEDANCE MEANS CONNECTING THE OUTPUT TERMINAL OF DIFFERENT ONES OF THE SWITCHING CIRCUITS IN EACH COLUMN TO A RESPECTIVELY DIFFERENT STAGE OF SAID OUTPUT DATA STORAGE REGISTER; AND MEANS FOR SELECTIVELY APPLYING AN ELECTRICAL SIGNAL TO THE SECOND INPUT TERMINAL OF ALL OF THE SWITCHING CIRCUITS IN ANY ONE ROW.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |