Patent US3295032A successfully refreshed from Google Patents.
US3295032A
Expired / Lapsed
US
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Plural motor tension and speed control for a magnetic tape drive
Assignee: Winston Research Corp
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Filing: 1963-05-24
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Granted: 1966-12-27
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Expires: 1983-05-24
Abstract
No abstract record available.
Inventors
- 👤 Flavio S C Branco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:44
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/46; H02P5/52; H02P5/56; Y; Y10; Y10S; Y10S388/00; Y10S388/90; Y10S388/903; Y10S388/907; Y10S388/912; Y10S388/915; Y10S388/916
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A SYSTEM FOR CONTROLLING THE SPEED OF A MAGNETIC TAPE, INCLUDING: A FIRST DRIVING MEANS FOR SAID TAPE TO IMPART MOVEMENT THERETO, SAID HAVING MEANS HAVING A SPEED ADJUSTMENT CONTROL; A SECOND DRIVING MEANS FOR SAID TAPE SPACED APART FROM SAID FIRST DRIVING MEANS, SAID FIRST AND SECOND DRIVING MEANS TOGETHER IMPARTING A TENSION TO SAID TAPE, SAID SECOND DRIVING MEANS HAVING A SPEED ADJUSTMENT CONTROL; A TRANSDUCER MEANS FOR PRODUCING A FIRST ELECTRIC SIGNAL HAVING A PHASE RELATED TO THE TAPE SPEED; A SOURCE OF REFERENCE PULSES OF A PREDETERMINED PHASE RELATIONSHIP.
Claim 2
Independent Claim
93 words
A SYSTEM FOR CONTROLLING THE SPEED OF A MAGNETIC TAPE, INCLUDING: A FIRST DRIVING MEANS FOR SAID TAPE TO IMPART MOVEMENT THERETO, SAID HAVING MEANS HAVING A SPEED ADJUSTMENT CONTROL; A SECOND DRIVING MEANS FOR SAID TAPE SPACED APART FROM SAID FIRST DRIVING MEANS, SAID FIRST AND SECOND DRIVING MEANS TOGETHER IMPARTING A TENSION TO SAID TAPE, SAID SECOND DRIVING MEANS HAVING A SPEED ADJUSTMENT CONTROL; A TRANSDUCER MEANS FOR PRODUCING A FIRST ELECTRIC SIGNAL HAVING A PHASE RELATED TO THE TAPE SPEED; A SOURCE OF REFERENCE PULSES OF A PREDETERMINED PHASE RELATIONSHIP.
References Cited (Backward Citations)
US2458731A
Cited
US2457792A
Cited
US2877397A
Cited
US2845586A
Cited
US2864988A
Cited
US2913652A
Cited
US2911580A
Cited
US2905876A
Cited
US3097332A
Cited
US3174090A
Cited
US3175159A
Cited
US3187092A
Cited
US3008075A
Cited
US3059163A
Cited
US2995693A
Cited
US3086157A
Cited
US3119055A
Cited
US3207970A
Cited
US3176208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |