Patent US3086128A successfully refreshed from Google Patents.
US3086128A
Expired / Lapsed
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Serial input binary trigger circuit having third level input signals
Assignee: International Business Machines Corp
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Filing: 1960-11-17
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Granted: 1963-04-16
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Expires: 1980-11-17
Abstract
No abstract record available.
Inventors
- 👤 Robert J Litwiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:18
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A BISTABLE DEVICE COMPRISING INPUT AND OUTPUT CIRCUITS RESPONSIVE TO THE MOST NEGATIVE SIGNALS SUPPLIED THERETO, AND FIRST AND SECOND FEEDBACK CIRCUITS RESPONSIVE TO THE MOST POSITIVE SIGNALS SUPPLIED THERETO, SAID OUTPUT CIRCUIT BEING COUPLED IN FEEDBACK RELATION TO SAID FEEDBACK CIRCUITS AND SUPPLYING THERETO SIGNALS OF DETERMINABLE LEVEL, SAID FIRST FEEDBACK CIRCUIT BEING COUPLED TO SAID INPUT CIRCUIT AND SUPPLYING TO THE LATTER SIGNALS AT A PREDETERMINED LEVEL, INPUT MEANS COUPLED TO SAID INPUT CIRCUIT AND SUPPLYING THERETO SIGNALS WHICH ARE MORE NEGATIVE THAN SAID PREDETERMINED LEVEL AND WHICH THUS DOMI-
Claim 2
Dependent Claim
92 words
A BISTABLE DEVICE COMPRISING INPUT AND OUTPUT CIRCUITS RESPONSIVE TO THE MOST NEGATIVE SIGNALS SUPPLIED THERETO, AND FIRST AND SECOND FEEDBACK CIRCUITS RESPONSIVE TO THE MOST POSITIVE SIGNALS SUPPLIED THERETO, SAID OUTPUT CIRCUIT BEING COUPLED IN FEEDBACK RELATION TO SAID FEEDBACK CIRCUITS AND SUPPLYING THERETO SIGNALS OF DETERMINABLE LEVEL, SAID FIRST FEEDBACK CIRCUIT BEING COUPLED TO SAID INPUT CIRCUIT AND SUPPLYING TO THE LATTER SIGNALS AT A PREDETERMINED LEVEL, INPUT MEANS COUPLED TO SAID INPUT CIRCUIT AND SUPPLYING THERETO SIGNALS WHICH ARE MORE NEGATIVE THAN SAID PREDETERMINED LEVEL AND WHICH THUS DOMI-
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |