US3114010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for recording and reproducing magnetic signals
Assignee: Siemens Schuckertwerke AG
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Filing: 1959-12-09
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Granted: 1963-12-10
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Expires: 1979-12-09
Abstract
No abstract record available.
Inventors
- 👤 Wolf Christian-Friedrich
- 👤 Engel Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:54
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/127; G11B5/33; G11B5/37; G01; G01D; G01D15/00; G01D15/12; G03; G03B; G03B31/00; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/12; G05B19/16; G11B5/376; H; H04; H04N; H04N5/00; H04N5/76; H04N5/78; H04N5/782
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
THE METHOD OF RECORDING AND REPRODUCING MAGNETIC MAIN SIGNALS AND AUXILIARY CONTROL SIGNALS BY MEANS OF MAGNETIZABLE MAGNETOGRAM CARRIERS, WHICH COMPRISES TRANSDUCING THE MAGNETIC MAIN SIGNALS UPON AND FROM A STRIP-SHAPED TRACK AREA WHILE LEAVING AN ADJACENT PARALLEL STRIP AREA OF THE CARRIER FREE OF MAIN SIGNALS, TRANSDUCING FOR ONE OF SAID MAIN SIGNALS A PLURALITY OF SHORTER INDIVIDUAL AND LONGITUDINALLY SPACED MAGNETIC CONTROL SIGNALS UPON AND FROM SAID ADJACENT STRIP SO AS TO DEFINE ALONG ONE SURFACE OF THE CARRIER MAGNETIC FLUX LINES ORIENTED IN ONE DIRECTION, AND TRANSDUCING FOR ANOTHER OF SAID MAIN SIGNALS A PLURALITY OF SHORTER INDIVIDUAL AND LONGITUDINALLY SPACED MAGNETIC CONTROL SIGNALS UPON AND FROM SAID ADJACENT STRIP AREA SO AS TO DEFINE ALONG ONE SURFACE OF THE CARRIER MAGNETIC FLUX LINES ORIENTED IN ANOTHER DIRECTION.
Claim 2
Independent Claim
131 words
THE METHOD OF RECORDING AND REPRODUCING MAGNETIC MAIN SIGNALS AND AUXILIARY CONTROL SIGNALS BY MEANS OF MAGNETIZABLE MAGNETOGRAM CARRIERS, WHICH COMPRISES TRANSDUCING THE MAGNETIC MAIN SIGNALS UPON AND FROM A STRIP-SHAPED TRACK AREA WHILE LEAVING AN ADJACENT PARALLEL STRIP AREA OF THE CARRIER FREE OF MAIN SIGNALS, TRANSDUCING FOR ONE OF SAID MAIN SIGNALS A PLURALITY OF SHORTER INDIVIDUAL AND LONGITUDINALLY SPACED MAGNETIC CONTROL SIGNALS UPON AND FROM SAID ADJACENT STRIP SO AS TO DEFINE ALONG ONE SURFACE OF THE CARRIER MAGNETIC FLUX LINES ORIENTED IN ONE DIRECTION, AND TRANSDUCING FOR ANOTHER OF SAID MAIN SIGNALS A PLURALITY OF SHORTER INDIVIDUAL AND LONGITUDINALLY SPACED MAGNETIC CONTROL SIGNALS UPON AND FROM SAID ADJACENT STRIP AREA SO AS TO DEFINE ALONG ONE SURFACE OF THE CARRIER MAGNETIC FLUX LINES ORIENTED IN ANOTHER DIRECTION.
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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 |