Patent US4596265A successfully refreshed from Google Patents.
Patent US3243789A successfully refreshed from Google Patents.
US3243789A
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Verification and correction of magnetic recording during a single pass of the transducer
Assignee: Ampex Corp
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Filing: 1962-06-29
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Granted: 1966-03-29
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Expires: 1982-06-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert U Ragle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:09
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/91; H04N5/93; H04N5/94; G; G06; G06F; G06F11/00; G06F11/07; G06F11/16; G06F11/1608; G06F11/1612; G11; G11B; G11B20/00; G11B20/10; G11B20/18; G11B20/1816; G11B5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A SYSTEM FOR VERIFYING THE ACCURACY OF SIGNAL INFORMATION RECORDED ON A MAGNETIC MEDIUM THAT IS TRANSPORTED CONTINUOUSLY IN ONE DIRECTION RELATIVE TO A MAGNETIC TRANSDUCER HAVING A SINGLE NONMAGNETIC GAP COMPRISING: MEANS FOR READING OUT THE RECORDED SIGNAL INFORMATION; MEANS FOR CHECKING THE ACCURACY OF THE READ OUT INFORMATION; AND MEANS FOR CORRECTING INACCURATELY RECORDED SIGNALS, SAID MEANS FOR READING, SAID MEANS FOR CHECKING AND SAID MEANS FOR CORRECTING ALL OPERATING DURING A SINGLE PASS OF THE MEDIUM PAST SAID SINGLE NONMAGNETIC GAP OF THE TRANSDUCER.
Claim 2
Independent Claim
87 words
A SYSTEM FOR VERIFYING THE ACCURACY OF SIGNAL INFORMATION RECORDED ON A MAGNETIC MEDIUM THAT IS TRANSPORTED CONTINUOUSLY IN ONE DIRECTION RELATIVE TO A MAGNETIC TRANSDUCER HAVING A SINGLE NONMAGNETIC GAP COMPRISING: MEANS FOR READING OUT THE RECORDED SIGNAL INFORMATION; MEANS FOR CHECKING THE ACCURACY OF THE READ OUT INFORMATION; AND MEANS FOR CORRECTING INACCURATELY RECORDED SIGNALS, SAID MEANS FOR READING, SAID MEANS FOR CHECKING AND SAID MEANS FOR CORRECTING ALL OPERATING DURING A SINGLE PASS OF THE MEDIUM PAST SAID SINGLE NONMAGNETIC GAP OF THE TRANSDUCER.
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |