Patent US1499508A successfully refreshed from Google Patents.
Patent US3239764A successfully refreshed from Google Patents.
US3239764A
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Shift register employing logic blocks arranged in closed loop and means for selectively shifting bit positions
Assignee: International Business Machines Corp
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Filing: 1963-08-29
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Granted: 1966-03-08
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Expires: 1983-08-29
Abstract
No abstract record available.
Inventors
- 👤 Yash P Verma
- 👤 Merlin G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:58
CPC Classifications
G; G06; G06F; G06F5/00; G06F5/01; G06F5/017; G11; G11C; G11C19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A SHIFT REGISTER COMPRISING: A PLURALITY OF BIT STORAGE POSITIONS ARRANGED IN A ROW FOR STORING DATA BITS, EACH OF SAID BY POSITIONS INCLUDING, A PLURALITY OF LOGIC BLOCKS CONNECTED IN A SERIES LOOP TO CIRCULATE DATA BITS THEREIN, AND MEANS FOR SUPPLYING CYCLIC EXCITATION SIGNALS TO EACH BLOCK IN A SEQUENCE TO CONTROL THE CIRCULATION OF SAID DATA BITS IN SAID LOOP; COUPLING MEANS FOR TRANSFERRING DATA BITS BETWEEN A FIRST BIT PORTION IN SAID ROW AND A PLURALITY OF SECOND BIT POSITIONS IN SAID ROW, SAID COUPLING MEANS INCLUDING CIRCUIT CONNECTIONS BETWEEN EACH OF A NUM-
Claim 2
Dependent Claim
98 words
A SHIFT REGISTER COMPRISING: A PLURALITY OF BIT STORAGE POSITIONS ARRANGED IN A ROW FOR STORING DATA BITS, EACH OF SAID BY POSITIONS INCLUDING, A PLURALITY OF LOGIC BLOCKS CONNECTED IN A SERIES LOOP TO CIRCULATE DATA BITS THEREIN, AND MEANS FOR SUPPLYING CYCLIC EXCITATION SIGNALS TO EACH BLOCK IN A SEQUENCE TO CONTROL THE CIRCULATION OF SAID DATA BITS IN SAID LOOP; COUPLING MEANS FOR TRANSFERRING DATA BITS BETWEEN A FIRST BIT PORTION IN SAID ROW AND A PLURALITY OF SECOND BIT POSITIONS IN SAID ROW, SAID COUPLING MEANS INCLUDING CIRCUIT CONNECTIONS BETWEEN EACH OF A NUM-
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |