Patent US5087913A successfully refreshed from Google Patents.
Patent US3201608A successfully refreshed from Google Patents.
US3201608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feedback conditioned coincident pulse responsive bistable circuits
Assignee: International Business Machines Corp
•
Filing: 1962-12-28
•
Granted: 1965-08-17
•
Expires: 1982-12-28
Abstract
No abstract record available.
Inventors
- 👤 David H Chung
- 👤 Philip M Marino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:27
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/313; H03K3/315
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
IN A TRIGGER CIRCUIT, THE COMBINATION COMPRISING: A BISTABLE DEVICE ADAPTED TO PROVIDE A HIGH VOLTAGE STATE IN RESPONSE TO A FIRST INPUT AND A LOW VOLTAGE STATE IN RESPONSE TO A SECOND INPUT; AN INPUT CIRCUIT COUPLED TO SAID BISTABLE CIRCUIT AND ADAPTED TO ACCOMMODATE FIRST AND SECOND DATA SIGNAL LEVELS; A CLOCK CIRCUIT COUPLED TO SAID BISTABLE CIRCUIT AND ADAPTED TO PROVIDE TIMED SIGNALS; A CONTROL CIRCUIT COUPLED TO SAID CLOCK CIRCUIT AND INPUT CIRCUIT AND OPERATIVELY RESPONSIVE TO THE VOLTAGE STATE OF SAID BISTABLE DEVICE, SAID CONTROL CIRCUIT CONDITIONED BY A LOW VOLTAGE OUTPUT FROM SAID BISTABLE DEVICE TO BE OPERATIVE, UPON THE SIMULTANEOUS APPLICATION OF SAID FIRST DATA SIGNAL LEVEL AT SAID INPUT CIRCUIT AND A TIMED SIGNAL FROM SAID CLOCK CIRCUIT TO PRODUCE A FIRST OUTPUT TO CAUSE SAID BISTABLE DEVICE TO ASSUME ITS HIGH VOLTAGE STATE, SAID CONTROL CIRCUIT FURTHER OPERATIVE WHEN CONDITIONED BY SAID HIGH VOLTAGE STATE FROM SAID BISTABLE DEVICE, TO RESPOND TO A TIMED SIGNAL FROM SAID CLOCK CIRCUIT TO PRODUCE A SECOND OUTPUT WHEREBY SAID BISTABLE DEVICE ASSUMES ITS LOW VOLTAGE STATE.
Claim 2
Dependent Claim
182 words
IN A TRIGGER CIRCUIT, THE COMBINATION COMPRISING: A BISTABLE DEVICE ADAPTED TO PROVIDE A HIGH VOLTAGE STATE IN RESPONSE TO A FIRST INPUT AND A LOW VOLTAGE STATE IN RESPONSE TO A SECOND INPUT; AN INPUT CIRCUIT COUPLED TO SAID BISTABLE CIRCUIT AND ADAPTED TO ACCOMMODATE FIRST AND SECOND DATA SIGNAL LEVELS; A CLOCK CIRCUIT COUPLED TO SAID BISTABLE CIRCUIT AND ADAPTED TO PROVIDE TIMED SIGNALS; A CONTROL CIRCUIT COUPLED TO SAID CLOCK CIRCUIT AND INPUT CIRCUIT AND OPERATIVELY RESPONSIVE TO THE VOLTAGE STATE OF SAID BISTABLE DEVICE, SAID CONTROL CIRCUIT CONDITIONED BY A LOW VOLTAGE OUTPUT FROM SAID BISTABLE DEVICE TO BE OPERATIVE, UPON THE SIMULTANEOUS APPLICATION OF SAID FIRST DATA SIGNAL LEVEL AT SAID INPUT CIRCUIT AND A TIMED SIGNAL FROM SAID CLOCK CIRCUIT TO PRODUCE A FIRST OUTPUT TO CAUSE SAID BISTABLE DEVICE TO ASSUME ITS HIGH VOLTAGE STATE, SAID CONTROL CIRCUIT FURTHER OPERATIVE WHEN CONDITIONED BY SAID HIGH VOLTAGE STATE FROM SAID BISTABLE DEVICE, TO RESPOND TO A TIMED SIGNAL FROM SAID CLOCK CIRCUIT TO PRODUCE A SECOND OUTPUT WHEREBY SAID BISTABLE DEVICE ASSUMES ITS LOW VOLTAGE STATE.
References Cited (Backward Citations)
US3091737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |