US3295032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural motor tension and speed control for a magnetic tape drive
Assignee: Winston Research Corp
•
Filing: 1963-05-24
•
Granted: 1966-12-27
•
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
2026-10-29 01:12
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.
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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 |