Patent US3337694A successfully refreshed from Google Patents.
US3337694A
Expired / Lapsed
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Apparatus for signal transducing along a curved overlapping track
Assignee: Individual
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Filing: 1964-02-21
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Granted: 1967-08-22
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Expires: 1984-02-21
Abstract
No abstract record available.
Inventors
- 👤 Nakamatsu Yoshiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:14
CPC Classifications
G; G11; G11B; G11B25/00; G11B25/04; G11B25/046; G11B21/00; G11B21/02; G11B21/04; G11B21/043; G11B5/00; G11B5/74; G11B5/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
APPARATUS FOR RECORDING AND REPRODUCING A SIGNAL TRACK ON A RECORD MEDIUM, SAID APPARATUS COMPRISING A DISPLACEABLE MAIN SUPPORTING MEMBER, AN ARM MEMBER MOUNTED ROTATABLY ON THE MAIN SUPPORTING MEMBER, A SIGNAL TRANSDUCER HEAD FIXED ON SAID ARM MEMBER, AND MEANS FOR INTERLOCKING THE DISPLACEMENT OF THE SUPPORTING MEMBER AND THE ROTATION OF THE ARM MEMBER TO ROTATE THE ARM A PLURALITY OF TIMES UPON DISPLACEMENT OF THE MAIN SUPPORTING MEMBER, THE RECORD MEDIUM HAVING AN EXTENT GREATER THAN THE MAXIMUM EXCURSION OF THE SIGNAL TRANSDUCER WHEREBY A CONTINUOUS SIGNAL TRACK OF A NUMBER OF INTERSECTING LOOPS CAN BE TRANSDUCED ON SAID MEDIUM.
Claim 2
Dependent Claim
103 words
APPARATUS FOR RECORDING AND REPRODUCING A SIGNAL TRACK ON A RECORD MEDIUM, SAID APPARATUS COMPRISING A DISPLACEABLE MAIN SUPPORTING MEMBER, AN ARM MEMBER MOUNTED ROTATABLY ON THE MAIN SUPPORTING MEMBER, A SIGNAL TRANSDUCER HEAD FIXED ON SAID ARM MEMBER, AND MEANS FOR INTERLOCKING THE DISPLACEMENT OF THE SUPPORTING MEMBER AND THE ROTATION OF THE ARM MEMBER TO ROTATE THE ARM A PLURALITY OF TIMES UPON DISPLACEMENT OF THE MAIN SUPPORTING MEMBER, THE RECORD MEDIUM HAVING AN EXTENT GREATER THAN THE MAXIMUM EXCURSION OF THE SIGNAL TRANSDUCER WHEREBY A CONTINUOUS SIGNAL TRACK OF A NUMBER OF INTERSECTING LOOPS CAN BE TRANSDUCED ON SAID MEDIUM.
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |