Patent US3099709A successfully refreshed from Google Patents.
US3099709A
Expired / Lapsed
US
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Tape recorder
Assignee: Ampex Corp
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Filing: 1960-12-27
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Granted: 1963-07-30
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Barry Leonard Dodge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:29
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/78; H04N5/782; H04N5/783; G; G11; G11B; G11B15/00; G11B15/02; G11B15/12; G11B15/14; H04N5/765; H04N5/775
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A METHOD OF MAGNETIC RECORDING AND REPRODUCTING OF VIDEO SIGNALS WHICH COMPRISES THE STEPS OF RECORDING VIDEO SIGNALS ON A MAGNETIC TAPE IN SUCCESSIVE PARALLEL TRANSVERSELY EXTENDING LINES, THE END OF EACH LINE AND THE BEGINNING OF THE NEXT LINE BEING SIMULTANEOUSLY RECORDED WITH THE SAME SIGNAL AND AT SUBSTANTIALLY THE SAME RECORDING STRENGTH AS USED ALONG THE CENTRAL PORTION OF THAT LINE, AND REPRODUCING ONLY THE CENTRAL PORTION OF THE LENGTH OF THE RECORDED LINES INCLUDING PART OF THE RECORDED OVERLAP.
Claim 2
Independent Claim
82 words
A METHOD OF MAGNETIC RECORDING AND REPRODUCTING OF VIDEO SIGNALS WHICH COMPRISES THE STEPS OF RECORDING VIDEO SIGNALS ON A MAGNETIC TAPE IN SUCCESSIVE PARALLEL TRANSVERSELY EXTENDING LINES, THE END OF EACH LINE AND THE BEGINNING OF THE NEXT LINE BEING SIMULTANEOUSLY RECORDED WITH THE SAME SIGNAL AND AT SUBSTANTIALLY THE SAME RECORDING STRENGTH AS USED ALONG THE CENTRAL PORTION OF THAT LINE, AND REPRODUCING ONLY THE CENTRAL PORTION OF THE LENGTH OF THE RECORDED LINES INCLUDING PART OF THE RECORDED OVERLAP.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |