US3296613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrating converter
Assignee: HP Inc
•
Filing: 1963-12-03
•
Granted: 1967-01-03
•
Expires: 1983-12-03
Abstract
No abstract record available.
Inventors
- 👤 Robert A Andersen
- 👤 Rodney E Cooley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:44
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
SIGNAL APPARATUS COMPRISING: AN INTEGRATOR HAVING AN INPUT AND AN OUTPUT; MEANS FOR APPLYING SIGNAL TO THE INPUT OF SAID INTEGRATOR ONLY FOR A SELECTED PERIOD TO INCREASE THE SIGNAL AT THE OUTPUT OF THE INTEGRATOR WITH TIME FROM AN INITIAL VALUE AND FOR RENDERING SAID INTEGRATOR INOPERATIVE ON APPLIED SIGNAL SUBSTANTIALLY AT END OF SAID SELECTED PERIOD; CIRCUIT MEANS CONNECTED TO THE OUTPUT OF SAID INTEGRATOR FOR PRODUCING A CONTROL SIGNAL DURING SAID SELECTED PERIOD IN RESPONSE TO THE SIGNAL AT SAID OUTPUT ATTAINING A PREDETERMINED VALUE; MEANS CONNECTING THE OUTPUT OF SAID CIRCUIT MEANS AND THE INPUT OF SAID INTEGRATOR FOR APPLYING A SIGNAL THERETO DURING SAID SELECTED PERIOD IN RESPONSE TO EACH CONTROL SIGNAL TO DECREASE THE SIGNAL AT THE OUTPUT OF SAID INTEGRATOR BY A SELECTED DECREMENT; MEANS CONNECTED TO THE INPUT OF SAID INTEGRATOR FOR APPLYING A SIGNAL THERETO AFTER SAID SELECTED PERIOD TO DECREASE THE SIGNAL AT THE OUTPUT OF SAID INTEGRATOR TO SAID INITIAL VALUE; AND MEANS TO PRODUCE AN OUTPUT RELATED TO THE SIGNALS APPLIED TO THE INPUT OF SAID INTEGRATOR DURING AND AFTER SAID SELECTED PERIOD.
Claim 2
Dependent Claim
185 words
SIGNAL APPARATUS COMPRISING: AN INTEGRATOR HAVING AN INPUT AND AN OUTPUT; MEANS FOR APPLYING SIGNAL TO THE INPUT OF SAID INTEGRATOR ONLY FOR A SELECTED PERIOD TO INCREASE THE SIGNAL AT THE OUTPUT OF THE INTEGRATOR WITH TIME FROM AN INITIAL VALUE AND FOR RENDERING SAID INTEGRATOR INOPERATIVE ON APPLIED SIGNAL SUBSTANTIALLY AT END OF SAID SELECTED PERIOD; CIRCUIT MEANS CONNECTED TO THE OUTPUT OF SAID INTEGRATOR FOR PRODUCING A CONTROL SIGNAL DURING SAID SELECTED PERIOD IN RESPONSE TO THE SIGNAL AT SAID OUTPUT ATTAINING A PREDETERMINED VALUE; MEANS CONNECTING THE OUTPUT OF SAID CIRCUIT MEANS AND THE INPUT OF SAID INTEGRATOR FOR APPLYING A SIGNAL THERETO DURING SAID SELECTED PERIOD IN RESPONSE TO EACH CONTROL SIGNAL TO DECREASE THE SIGNAL AT THE OUTPUT OF SAID INTEGRATOR BY A SELECTED DECREMENT; MEANS CONNECTED TO THE INPUT OF SAID INTEGRATOR FOR APPLYING A SIGNAL THERETO AFTER SAID SELECTED PERIOD TO DECREASE THE SIGNAL AT THE OUTPUT OF SAID INTEGRATOR TO SAID INITIAL VALUE; AND MEANS TO PRODUCE AN OUTPUT RELATED TO THE SIGNALS APPLIED TO THE INPUT OF SAID INTEGRATOR DURING AND AFTER SAID SELECTED PERIOD.
References Cited (Backward Citations)
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Cited
US2891725A
Cited
US2903185A
Cited
US3002690A
Cited
US3048336A
Cited
US3188455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |