Patent US4228474A successfully refreshed from Google Patents.
US4228474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adapter unit for translating electrical signals
Assignee: Individual
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Filing: 1978-11-13
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Granted: 1980-10-14
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Expires: 1998-11-13
Abstract
Abstract An adapter unit for translating electrical signals from one signal producing apparatus to a magnetic tape player including means to produce a magnetic field in the vicinity of a magnetic pick-up head of a magnetic tape player when the adapter is inserted into the tape player. The means for producing a magnetic field is in electrical communication with a plug adapted to electrically communicate with the output of the signal producing apparatus.
Inventors
- 👤 Roy L. Neal, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:40
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B25/00; G11B25/06; G11B25/066; G11B31/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
An adapter unit for playing remotely located electronic apparatus through a magnetic tape player having a pick-up head, said adapter unit consisting essentially of: a housing; input connecting means extending through said housing to disengageably connect to the output of said remotely located electronic apparatus; at least two stationarily and fixedly mounted magnetic field producing coils in spaced series relation disposed within said housing positioned to provide a magnetic field in the vicinity of said pick-up head of a magnetic tape player, said magnetic field producing coils being spaced from said pick-up head when in operation; and, said connecting means and said magnetic field producing coils being in electrical communication.
Claim 2
Dependent Claim
110 words
An adapter unit for playing remotely located electronic apparatus through a magnetic tape player having a pick-up head, said adapter unit consisting essentially of: a housing; input connecting means extending through said housing to disengageably connect to the output of said remotely located electronic apparatus; at least two stationarily and fixedly mounted magnetic field producing coils in spaced series relation disposed within said housing positioned to provide a magnetic field in the vicinity of said pick-up head of a magnetic tape player, said magnetic field producing coils being spaced from said pick-up head when in operation; and, said connecting means and said magnetic field producing coils being in electrical communication.
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) | 1983-10-14 | 1984-04-14 | 1984-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-10-14 | 1988-04-14 | 1988-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-10-14 | 1992-04-14 | 1992-10-14 | $7700.00 | Window Closed / Lapsed |