Patent US3097312A successfully refreshed from Google Patents.
US3097312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shift register including two tunnel diodes per stage
Assignee: RCA Corp
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Filing: 1960-09-30
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Granted: 1963-07-09
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Expires: 1980-09-30
Abstract
No abstract record available.
Inventors
- 👤 James C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:29
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A SHIFT REGISTOR COMPRISING A CHAIN OF BISTABLE STORAGE CIRCUITS WHICH ARE STABLE IN EITHER AN INITIAL "O" STATE OR A SWITCHED "1" STATE, A COUPLING FROM EACH STORAGE CIRCUIT TO THE FOLLOWING STORAGE CIRCUIT INCLUDING UNIDIRECTIONAL COUPLING MEANS AND A SHIFT ELEMENT HAVING "O" AND "I" STATES, MEANS TO APPLY A SHIFT SIGNAL TO BIAS ALL OF SAID SHIFT ELEMENTS FOR A GIVEN INTERVAL AT A LEVEL CAUSING EACH SHIFT ELEMENT TO ASSUME THE STATE OF THE PRECEDING STORAGE CIRCUIT, AND MEANS OPERATIVE DURING SAID GIVEN INTERVAL TO APPLY A RESET SIGNAL TO SAID STORAGE CIRCUITS TO CAUSE THEM TO RETURN TO THE INITIAL "0" STATE, AND THEREAFTER ASSUME THE STATE OF THE PRECEDING SHIFT ELEMENT.
Claim 2
Dependent Claim
117 words
A SHIFT REGISTOR COMPRISING A CHAIN OF BISTABLE STORAGE CIRCUITS WHICH ARE STABLE IN EITHER AN INITIAL "O" STATE OR A SWITCHED "1" STATE, A COUPLING FROM EACH STORAGE CIRCUIT TO THE FOLLOWING STORAGE CIRCUIT INCLUDING UNIDIRECTIONAL COUPLING MEANS AND A SHIFT ELEMENT HAVING "O" AND "I" STATES, MEANS TO APPLY A SHIFT SIGNAL TO BIAS ALL OF SAID SHIFT ELEMENTS FOR A GIVEN INTERVAL AT A LEVEL CAUSING EACH SHIFT ELEMENT TO ASSUME THE STATE OF THE PRECEDING STORAGE CIRCUIT, AND MEANS OPERATIVE DURING SAID GIVEN INTERVAL TO APPLY A RESET SIGNAL TO SAID STORAGE CIRCUITS TO CAUSE THEM TO RETURN TO THE INITIAL "0" STATE, AND THEREAFTER ASSUME THE STATE OF THE PRECEDING SHIFT ELEMENT.
References Cited (Backward Citations)
US2785390A
Cited
US2907898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |