US3377436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape transport for driving both in-going and out-going portions of a tape loop with a single capstan
Assignee: Ampex Corp
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Filing: 1962-07-16
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Granted: 1968-04-09
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Expires: 1982-07-16
Abstract
No abstract record available.
Inventors
- 👤 Alexander R Maxey
- 👤 John H Streets
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:18
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60; G11B15/18; G11B15/26; G11B15/28; G11B15/295; G11B15/61; G11B5/00; G11B5/48; G11B5/52; H; H04; H04N; H04N5/00; H04N5/76; H04N5/78; H04N5/782
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A MAGNETIC TAPE TRANSPORT WHEREIN A MAGNETIC TAPE HAVING TWO SURFACES IS GUIDED BETWEEN A TAPE SUPPLY MEANS AND TAPE TAKEUP MEANS, COMPRISING AT LEAST ONE MAGNETIC TRANSDUCING HEAD, MEANS FOR ROTATING SAID HEAD, MEANS FOR GUIDING SAID TAPE IN A LOOP WITH A PORTION OF SAID LOOP POSITIONED SO THAT SID HEAD ENGAGES SAID PORTION DURING ROTATION OF SAID HEAD AND WITH IN-GOING AND OUT-GOING PORTIONS OF SAID LOOP PASSING ONE ANOTHER IN NON-CONTACTING RELATIONSHIP AT A CROSS-OVER ZONE FIXEDLY POSITIONED WITH RESPECT TO THE AXIS OF ROTATION OF SAID HEAD, AND A CAPSTAN POSITIONED ADJACENT THE SAME SURFACE OF SAID INGOING AND OUT-GOING TAPE PORTIONS AT SAID CROSS-OVER ZONE AND ENGAGING BOTH OF SAID IN-GOING AND OUT-GOING PORTIONS AT SAID ZONE FOR DRIVING THE TAPE, SAID TAPE BEING DRIVEN BY SUBSTANTIALLY THE SAME SIDE OF SAID CAPSTAN, WHEREBY IRREGULARITIES IN THE DRIVE OF SAID TAPE BY SAID CAPSTAN ARE MINIMIZED.
Claim 2
Dependent Claim
152 words
A MAGNETIC TAPE TRANSPORT WHEREIN A MAGNETIC TAPE HAVING TWO SURFACES IS GUIDED BETWEEN A TAPE SUPPLY MEANS AND TAPE TAKEUP MEANS, COMPRISING AT LEAST ONE MAGNETIC TRANSDUCING HEAD, MEANS FOR ROTATING SAID HEAD, MEANS FOR GUIDING SAID TAPE IN A LOOP WITH A PORTION OF SAID LOOP POSITIONED SO THAT SID HEAD ENGAGES SAID PORTION DURING ROTATION OF SAID HEAD AND WITH IN-GOING AND OUT-GOING PORTIONS OF SAID LOOP PASSING ONE ANOTHER IN NON-CONTACTING RELATIONSHIP AT A CROSS-OVER ZONE FIXEDLY POSITIONED WITH RESPECT TO THE AXIS OF ROTATION OF SAID HEAD, AND A CAPSTAN POSITIONED ADJACENT THE SAME SURFACE OF SAID INGOING AND OUT-GOING TAPE PORTIONS AT SAID CROSS-OVER ZONE AND ENGAGING BOTH OF SAID IN-GOING AND OUT-GOING PORTIONS AT SAID ZONE FOR DRIVING THE TAPE, SAID TAPE BEING DRIVEN BY SUBSTANTIALLY THE SAME SIDE OF SAID CAPSTAN, WHEREBY IRREGULARITIES IN THE DRIVE OF SAID TAPE BY SAID CAPSTAN ARE MINIMIZED.
References Cited (Backward Citations)
US1260595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |