US3333064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concave tape guide with means to adjust same
Assignee: Ampex Corp
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Filing: 1963-04-01
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Granted: 1967-07-25
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Expires: 1983-04-01
Abstract
No abstract record available.
Inventors
- 👤 Dale P Dolby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:50
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60; G11B15/61; H; H04; H04N; H04N5/00; H04N5/76; H04N5/78; H04N5/782
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A MECHANISM FOR POSITIONING A CONCAVE GUIDE TO HOLD A MAGNETIC TAPE IN CURVED CONCENTRIC RELATION TO A ROTATING HEAD ASSEMBLY, COMPRISING: MEANS FOR GUIDING SAID GUIDE IN PIVOTING MOTION TOWARD AND AWAY FROM SAID HEAD ASSEMBLY, WITH THE CENTRAL AXIAL PLANE OF SAID GUIDE ALWAYS PARALLEL TO A PREDETERMINED AXIAL PLANE OF SAID HEAD ASSEMBLY; MEANS FOR ADJUSTING THE POSITION OF SAID GUIDE WITH RESPECT TO SAID ROTATING HEAD ASSEMBLY ONLY IN A DIRECTION PARALLEL TO SAID CENTRAL AXIAL PLANE THEREOF; AND MEANS FOR ADJUSTING THE POSITION OF SAID GUIDE WITH RESPECT TO SAID ROTATING HEAD ASSEMBLY ONLY IN A DIRECTION NORMAL TO SAID CENTRAL AXIAL PLANE THEREOF; SAID ADJUSTING MEANS BEING OPERABLE INDEPENDENTLY FROM ONE ANOTHER.
Claim 2
Dependent Claim
118 words
A MECHANISM FOR POSITIONING A CONCAVE GUIDE TO HOLD A MAGNETIC TAPE IN CURVED CONCENTRIC RELATION TO A ROTATING HEAD ASSEMBLY, COMPRISING: MEANS FOR GUIDING SAID GUIDE IN PIVOTING MOTION TOWARD AND AWAY FROM SAID HEAD ASSEMBLY, WITH THE CENTRAL AXIAL PLANE OF SAID GUIDE ALWAYS PARALLEL TO A PREDETERMINED AXIAL PLANE OF SAID HEAD ASSEMBLY; MEANS FOR ADJUSTING THE POSITION OF SAID GUIDE WITH RESPECT TO SAID ROTATING HEAD ASSEMBLY ONLY IN A DIRECTION PARALLEL TO SAID CENTRAL AXIAL PLANE THEREOF; AND MEANS FOR ADJUSTING THE POSITION OF SAID GUIDE WITH RESPECT TO SAID ROTATING HEAD ASSEMBLY ONLY IN A DIRECTION NORMAL TO SAID CENTRAL AXIAL PLANE THEREOF; SAID ADJUSTING MEANS BEING OPERABLE INDEPENDENTLY FROM ONE ANOTHER.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |