US3276647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Register control system for a moving web
Assignee: CHAMPLAIN CO Inc
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Filing: 1964-03-31
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Granted: 1966-10-04
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Expires: 1984-03-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Clarence A Lewis
- 👤 James F O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:54
CPC Classifications
B; B41; B41F; B41F13/00; B41F13/02; B65; B65H; B65H23/00; B65H23/04; B65H23/18; B65H23/188; B65H23/1882; Y; Y10; Y10T; Y10T83/00; Y10T83/141; Y10T83/148; Y10T83/159
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A REGISTER CONTROL SYSTEM FOR A MOVING WEB, COMPRISING A WEB SCANNER TO DETECT AN ERROR IN REGISTRATION, A TWO-PHASE CORRECTION MOTOR, A CAPACITOR CONNECTED TO THE TWO FIELD WINDINGS OF THE MOTOR FOR SHIFTING THE PHASE OF ONE FIELD WINDING RELATIVE TO THE OTHER, A SINGLE-PHASE A.C. SUPPLY FOR SAID MOTOR, A PAIR OF OPPOSED SILICON-CONTROLLED RECTIFIERS CONNECTING THE A.C. SUPPLY TO ONE FIELD WINDING OF THE MOTOR, A SECOND PAIR OF OPPOSED SILICON-CONTROLLED RECTIFIERS CONNECTING THE A.C. SUPPLY TO THE OTHER FIELD WINDING, A DOUBLE FREQUENCY SUPPLY SOURCE TO PULSE ONE OR THE OTHER PAIR OF SILICON-CONTROLLED RECTIFIERS TO MAKE THEM CONDUCTIVE, CIRCUITRY CONTROLLED BY THE WEB SCANNER TO FEED THE DOUBLE FREQUENCY SUPPLY TO THE CONTROL ELECTRODES OF THAT PAIR OF SILICON-CONTROLLED RECTIFIERS WHICH DRIVES THE CORRECTION MOTOR IN THAT DIRECTION WHICH TENDS TO REDUCE THE ERROR IN REGISTRATION, AND MEANS TO LIMIT EACH OPERATION OF THE CORRECTION MOTOR TO A DESIRED BRIEF INTERVAL, IN THE ORDER OF A FRACTION OF A SECOND.
Claim 2
Dependent Claim
166 words
A REGISTER CONTROL SYSTEM FOR A MOVING WEB, COMPRISING A WEB SCANNER TO DETECT AN ERROR IN REGISTRATION, A TWO-PHASE CORRECTION MOTOR, A CAPACITOR CONNECTED TO THE TWO FIELD WINDINGS OF THE MOTOR FOR SHIFTING THE PHASE OF ONE FIELD WINDING RELATIVE TO THE OTHER, A SINGLE-PHASE A.C. SUPPLY FOR SAID MOTOR, A PAIR OF OPPOSED SILICON-CONTROLLED RECTIFIERS CONNECTING THE A.C. SUPPLY TO ONE FIELD WINDING OF THE MOTOR, A SECOND PAIR OF OPPOSED SILICON-CONTROLLED RECTIFIERS CONNECTING THE A.C. SUPPLY TO THE OTHER FIELD WINDING, A DOUBLE FREQUENCY SUPPLY SOURCE TO PULSE ONE OR THE OTHER PAIR OF SILICON-CONTROLLED RECTIFIERS TO MAKE THEM CONDUCTIVE, CIRCUITRY CONTROLLED BY THE WEB SCANNER TO FEED THE DOUBLE FREQUENCY SUPPLY TO THE CONTROL ELECTRODES OF THAT PAIR OF SILICON-CONTROLLED RECTIFIERS WHICH DRIVES THE CORRECTION MOTOR IN THAT DIRECTION WHICH TENDS TO REDUCE THE ERROR IN REGISTRATION, AND MEANS TO LIMIT EACH OPERATION OF THE CORRECTION MOTOR TO A DESIRED BRIEF INTERVAL, IN THE ORDER OF A FRACTION OF A SECOND.
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |