Patent US3126904A successfully refreshed from Google Patents.
US3126904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Response in automatic control
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:54
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/44; G05B11/48; G05B11/50; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2365; Y10T137/2409
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
THE COMBINATION WITH APPARATUS FOR REGULATING A VARIABLE INCLUDING A CONTROLLER FOR PRODUCING AN OUTPUT SIGNAL TO SECURE CONTROLLER ACTION WHICH FOLLOWS PROPORTIONALLY TO SECURE CONTROLLER ACTION WHICH FOLLOWS PROPORTIONALLY THE MAGNITUDE OF AN INPUT SIGNAL FROM SAID VARIABLE TO SAID CONTROLLER, OF MEANS TO PROVIDE DIFFERENT FIRST AND SECOND LAG ANALOGUES OF AT LEAST A FIRST ORDER VALUE OF SAID INPUT SIGNAL, AND MEANS TO ADD SAID LAG ANALOGUE HAVING THE LARGER TIME CONSTANT AND SUBTRACT THE OTHER OF SAID LAG ANALOGUES FROM SAID INPUT SIGNAL.
Claim 2
Dependent Claim
87 words
THE COMBINATION WITH APPARATUS FOR REGULATING A VARIABLE INCLUDING A CONTROLLER FOR PRODUCING AN OUTPUT SIGNAL TO SECURE CONTROLLER ACTION WHICH FOLLOWS PROPORTIONALLY TO SECURE CONTROLLER ACTION WHICH FOLLOWS PROPORTIONALLY THE MAGNITUDE OF AN INPUT SIGNAL FROM SAID VARIABLE TO SAID CONTROLLER, OF MEANS TO PROVIDE DIFFERENT FIRST AND SECOND LAG ANALOGUES OF AT LEAST A FIRST ORDER VALUE OF SAID INPUT SIGNAL, AND MEANS TO ADD SAID LAG ANALOGUE HAVING THE LARGER TIME CONSTANT AND SUBTRACT THE OTHER OF SAID LAG ANALOGUES FROM SAID INPUT SIGNAL.
References Cited (Backward Citations)
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Cited
US2512561A
Cited
US2666576A
Cited
US2737964A
Cited
US2677385A
Cited
US2965300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |