US3223906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tension motor control system
Assignee: General Electric Co
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Filing: 1960-03-01
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Granted: 1965-12-14
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Expires: 1980-03-01
Abstract
No abstract record available.
Inventors
- 👤 Edward H Dinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:29
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/04; B65H23/18; B65H23/195; B65H23/198
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
228 words
A SYSTEM FOR MAINTAINING THE TENSION OF A MATERIAL AT A PREDETERMINED MAGNITUDE AS IT IS PULLED BY A REELING DEVICE PAST A FEED DRIVE DEVICE, COMPRISING FIRST MEANS FOR PRODUCING A FIRST SIGNAL INDICATIVE OF THE LINEAR SPEED OF SAID MATERIAL PAST SAID FEED DRIE DEVICE, SECOND MEANS FOR PRODUCING A SECOND SIGNAL INDICATIVE OF THE ANGULAR SPEED OF SAID REELING DEVICE, A VARIABLE POTENTIOMETER COUPLED TO SAID SECOND MEANS FOR VARYING THE MAGNITUDE OF SAID SECOND SIGNAL, COMPARING MEANS COUPLED TO SAID FIRST MEANS AND TO SAID POTENTIOMETER FOR COMPARING SAID FIRST SIGNAL WITH SAID SECOND SIGNAL AS VARIED BY SAID POTENTIOMETER AND PRODUCING AN ERROR SIGNAL INDICATIVE OF THE RELATIVE VALUES OF SAID FIRST SIGNAL AND SAID VARIED SECOND SIGNAL, FIRST DRIVE MEANS COUPLED TO SAID REELING DEVICE FOR OPERATING SAID REELING DEVICE, SECOND DRIVE MEANS COUPLED TO SAID COMPARING MEANS AND OPERATED IN RESPONSE TO SAID ERROR SIGNAL, MEANS COUPLING SAID SECOND DRIVE MEANS TO SAID POTENTIOMETER AND TO SAID FIRST DRIVE MEANS FOR OPERATING SAID POTENTIOMETER AND SAID FIRST DRIVE MEANS IN RESPONSE TO CHANGES IN SAID ERROR SIGNAL, FIRST INDEPENDENT MEANS COUPLED TO SAID FIRST DRIVE MEANS FOR INDEPENDENTLY VARYING THE TORQUE OF SAID FIRST DRIVE MEANS, AND SECOND INDEPENDENTLY VARYING THE BRAKING FEED DRIVE DEVICE FOR INDEPENDENTLY VARYING THE BRAKING AND ACCELERATION APPLIED BY SAID FEED DRIVE DEVICE TO SAID MATERIAL.
Claim 2
Independent Claim
228 words
A SYSTEM FOR MAINTAINING THE TENSION OF A MATERIAL AT A PREDETERMINED MAGNITUDE AS IT IS PULLED BY A REELING DEVICE PAST A FEED DRIVE DEVICE, COMPRISING FIRST MEANS FOR PRODUCING A FIRST SIGNAL INDICATIVE OF THE LINEAR SPEED OF SAID MATERIAL PAST SAID FEED DRIE DEVICE, SECOND MEANS FOR PRODUCING A SECOND SIGNAL INDICATIVE OF THE ANGULAR SPEED OF SAID REELING DEVICE, A VARIABLE POTENTIOMETER COUPLED TO SAID SECOND MEANS FOR VARYING THE MAGNITUDE OF SAID SECOND SIGNAL, COMPARING MEANS COUPLED TO SAID FIRST MEANS AND TO SAID POTENTIOMETER FOR COMPARING SAID FIRST SIGNAL WITH SAID SECOND SIGNAL AS VARIED BY SAID POTENTIOMETER AND PRODUCING AN ERROR SIGNAL INDICATIVE OF THE RELATIVE VALUES OF SAID FIRST SIGNAL AND SAID VARIED SECOND SIGNAL, FIRST DRIVE MEANS COUPLED TO SAID REELING DEVICE FOR OPERATING SAID REELING DEVICE, SECOND DRIVE MEANS COUPLED TO SAID COMPARING MEANS AND OPERATED IN RESPONSE TO SAID ERROR SIGNAL, MEANS COUPLING SAID SECOND DRIVE MEANS TO SAID POTENTIOMETER AND TO SAID FIRST DRIVE MEANS FOR OPERATING SAID POTENTIOMETER AND SAID FIRST DRIVE MEANS IN RESPONSE TO CHANGES IN SAID ERROR SIGNAL, FIRST INDEPENDENT MEANS COUPLED TO SAID FIRST DRIVE MEANS FOR INDEPENDENTLY VARYING THE TORQUE OF SAID FIRST DRIVE MEANS, AND SECOND INDEPENDENTLY VARYING THE BRAKING FEED DRIVE DEVICE FOR INDEPENDENTLY VARYING THE BRAKING AND ACCELERATION APPLIED BY SAID FEED DRIVE DEVICE TO SAID MATERIAL.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |