US3114150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic recording machine with a figure 8 path for flexible record sheet
Assignee: Olivetti SpA
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Filing: 1962-07-26
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Granted: 1963-12-10
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Expires: 1982-07-26
Abstract
No abstract record available.
Inventors
- 👤 Calano Giuseppe
- 👤 Compare Manrico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:29
CPC Classifications
G; G11; G11B; G11B25/00; G11B25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN A RECORDING MACHINE WHEREIN A FLEXIBLE RECORD SHEET HAVING TWO OPPOSITE RECORDING FACES IS MOVED PAST A SINGLE MAGNETIC HEAD ADAPTED TO BE ADVANCED PARALLEL TO THE LEADING EDGE OF SAID SHEET TO SCAN SUCCESSIVE TRACKS OF EACH FACE, SAID FACES BEING ALTERNATELY EXPOSED TO SAID HEAD, THE COMBINATION OF: (A) A STRUCTURE FOR GUIDING SAID SHEET ALONG AN ENDLESS SUBSTANTIALLY 8-SHAPED PATH, SAID STRUCTURE COMPRISING A PAIR OF LOOPS WHEREIN SAID SHEET MAY TRAVEL IN ONE SENSE AND A CENTRAL PORTION WHEREIN SAID SHEET MAY TRAVEL IN EITHER SENSE, SAID LOOPS HAVING AN EQUAL LENGTH, SAID SEHET BEING AT LEAST HALF AS LONG AS SAID PATH, (B) AND MEANS FOR MOUNTING SAID HEAD IN CORRESPONDENCE WITH SAID CENTRAL PORTION, WHEREBY SAID SHEET WILL ALTERNATELY EXPOSE EITHER FACE TO SAID HEAD AND THE SCANNING OF ONE TRACK OF ONE FACE IS FOLLOWED WITHOUT DISCONTINUITY BY THE SCANNING OF A CORRESPONDING TRACK OF THE OTHER FACE.
Claim 2
Dependent Claim
156 words
IN A RECORDING MACHINE WHEREIN A FLEXIBLE RECORD SHEET HAVING TWO OPPOSITE RECORDING FACES IS MOVED PAST A SINGLE MAGNETIC HEAD ADAPTED TO BE ADVANCED PARALLEL TO THE LEADING EDGE OF SAID SHEET TO SCAN SUCCESSIVE TRACKS OF EACH FACE, SAID FACES BEING ALTERNATELY EXPOSED TO SAID HEAD, THE COMBINATION OF: (A) A STRUCTURE FOR GUIDING SAID SHEET ALONG AN ENDLESS SUBSTANTIALLY 8-SHAPED PATH, SAID STRUCTURE COMPRISING A PAIR OF LOOPS WHEREIN SAID SHEET MAY TRAVEL IN ONE SENSE AND A CENTRAL PORTION WHEREIN SAID SHEET MAY TRAVEL IN EITHER SENSE, SAID LOOPS HAVING AN EQUAL LENGTH, SAID SEHET BEING AT LEAST HALF AS LONG AS SAID PATH, (B) AND MEANS FOR MOUNTING SAID HEAD IN CORRESPONDENCE WITH SAID CENTRAL PORTION, WHEREBY SAID SHEET WILL ALTERNATELY EXPOSE EITHER FACE TO SAID HEAD AND THE SCANNING OF ONE TRACK OF ONE FACE IS FOLLOWED WITHOUT DISCONTINUITY BY THE SCANNING OF A CORRESPONDING TRACK OF THE OTHER FACE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |