Patent US3145330A successfully refreshed from Google Patents.
US3145330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servomechanism apparatus
Assignee: Unisys Corp
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Filing: 1962-11-16
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Granted: 1964-08-18
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Expires: 1982-11-16
Abstract
No abstract record available.
Inventors
- 👤 Hecht Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:48
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/0055; G05D1/0077
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
IN A SERVO SYSTEM HAVING A PAIR OF SIGNAL RESPONSIVE CHANNELS EACH OF WHICH HAS AN OUTPUT PART SO CONNECTED TO MOVE SIMULTANEOUSLY AN OUTPUT MEMBER FOR THE SYSTEM THAT SHOULD ONE CHANNEL BECOME INOPERATIVE THE OTHER CAN STILL MOVE SAID MEMBER, SAID CHANNELS BEING EACH RESPECTIVELY PROVIDED WITH MALFUNCTION DETECTION MEANS FOR DEACTIVATING THEM AND RESTORING THEIR RESPECTIVE OUTPUT PARTS TO NEUTRAL POSITIONS WHEN MALFUNCTIONS OCCUR, APPARATUS FOR ASSURING AGAINST UNWARRANTED DEACTIVATING OF SAID CHANNELS COMPRISING MEANS CONNECTED TO RECEIVE SIGNALS REPRESENTATIVE OF THE AMOUNT SAID OUTPUT PARTS MOVE, SAID MEANS PRODUCING AN OUTPUT SIGNAL WHEN ONE PART MOVES A PREDETERMINED AMOUNT MORE THAN THE OTHER, AND MEANS RESPONSIVE TO SAID OUTPUT SIGNAL TO ENABLE BOTH SAID MALFUNCTION DETECTION MEANS, WHEREBY SAID MEANS CONNECTED TO RECEIVE SIGNALS OPERATES TO MONITOR THE OPERATION OF SAID SERVO SYSTEM AND ASSURES THAT A SYSTEM MALFUNCTION MUST BE DETECTED BEFORE ONE OF SAID SERVO MALFUNCTION DETECTION MEANS CAN OPERATE TO DEACTIVATE A FAILED CHANNEL.
Claim 2
Dependent Claim
161 words
IN A SERVO SYSTEM HAVING A PAIR OF SIGNAL RESPONSIVE CHANNELS EACH OF WHICH HAS AN OUTPUT PART SO CONNECTED TO MOVE SIMULTANEOUSLY AN OUTPUT MEMBER FOR THE SYSTEM THAT SHOULD ONE CHANNEL BECOME INOPERATIVE THE OTHER CAN STILL MOVE SAID MEMBER, SAID CHANNELS BEING EACH RESPECTIVELY PROVIDED WITH MALFUNCTION DETECTION MEANS FOR DEACTIVATING THEM AND RESTORING THEIR RESPECTIVE OUTPUT PARTS TO NEUTRAL POSITIONS WHEN MALFUNCTIONS OCCUR, APPARATUS FOR ASSURING AGAINST UNWARRANTED DEACTIVATING OF SAID CHANNELS COMPRISING MEANS CONNECTED TO RECEIVE SIGNALS REPRESENTATIVE OF THE AMOUNT SAID OUTPUT PARTS MOVE, SAID MEANS PRODUCING AN OUTPUT SIGNAL WHEN ONE PART MOVES A PREDETERMINED AMOUNT MORE THAN THE OTHER, AND MEANS RESPONSIVE TO SAID OUTPUT SIGNAL TO ENABLE BOTH SAID MALFUNCTION DETECTION MEANS, WHEREBY SAID MEANS CONNECTED TO RECEIVE SIGNALS OPERATES TO MONITOR THE OPERATION OF SAID SERVO SYSTEM AND ASSURES THAT A SYSTEM MALFUNCTION MUST BE DETECTED BEFORE ONE OF SAID SERVO MALFUNCTION DETECTION MEANS CAN OPERATE TO DEACTIVATE A FAILED CHANNEL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |