Patent US2736685A successfully refreshed from Google Patents.
Patent US3205301A successfully refreshed from Google Patents.
US3205301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wide band recording system
Assignee: Individual
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Filing: 1961-08-04
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Granted: 1965-09-07
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Expires: 1981-08-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederic W Etcheverry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:19
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
WIDE BAND RECORDING AND REPRODUCING APPARATUS, INCLUDING: A CATHODE-RAY TUBE HAVING A REMOTE END AND INCLUDING MEANS FOR FORMING A CATHODE-RAY BEAM THEREIN AND FOR DIRECTING SAID BEAM TOWARDS SAID REMOTE END, AND FURTHER INCLUDING MEANS FOR RECURRENTLY SCANNING SAID BEAM ACROSS SAID REMOTE END ALONG A GIVEN AXIS; A HEAD STRUCTURE MOUNTED AT SAID REMOTE END OF SAID CATHODE-RAY TUBE AND HAVING A TAPE RECEIVING SURFACE; A PLURALITY OF MUTUALLY INSULATED ELECTRICALLY CONDUCTIVE MEMBERS MOUNTED AT SAID REMOTE END OF SAID CATHODE-RAY TUBE AND DISPOSED ADJACENT ONE ANOTHER ALONG SAID GIVEN AXIS TO BE SUCCESSIVELY AND CYCLICALLY SCANNED BY SAID BEAM, SAID ELECTRICALLY CONDUCTIVE MEMBERS EXTENDING FROM THE INTERIOR OF SAID CATHODE-RAY TUBE THROUGH SAID HEAD STRUCTURE TO SAID TAPE-RECEIVING SURFACE; AN ELONGATED ELECTRET TAPE RECORDING MEDIUM; AND TRANSPORT MEANS FOR DRAWING SAID TAPE ACROSS SAID TAPE-RECEIVING SURFACE OF SAID HEAD ALONG A PATH TRAVERSED BY SAID GIVEN AXIS IN ELECTROSTATICALLY COUPLED RELATIONSHIP WITH SAID ELECTRICALLY CONDUCTIVE MEMBERS, SO THAT SAID BEAM IS EFFECTIVELY SCANNED WITH RESPECT TO SAID TAPE IN A SUCCESSION OF PARALLEL DIAGONAL PATHS EXTENDING ACROSS SAID TAPE.
Claim 2
Dependent Claim
182 words
WIDE BAND RECORDING AND REPRODUCING APPARATUS, INCLUDING: A CATHODE-RAY TUBE HAVING A REMOTE END AND INCLUDING MEANS FOR FORMING A CATHODE-RAY BEAM THEREIN AND FOR DIRECTING SAID BEAM TOWARDS SAID REMOTE END, AND FURTHER INCLUDING MEANS FOR RECURRENTLY SCANNING SAID BEAM ACROSS SAID REMOTE END ALONG A GIVEN AXIS; A HEAD STRUCTURE MOUNTED AT SAID REMOTE END OF SAID CATHODE-RAY TUBE AND HAVING A TAPE RECEIVING SURFACE; A PLURALITY OF MUTUALLY INSULATED ELECTRICALLY CONDUCTIVE MEMBERS MOUNTED AT SAID REMOTE END OF SAID CATHODE-RAY TUBE AND DISPOSED ADJACENT ONE ANOTHER ALONG SAID GIVEN AXIS TO BE SUCCESSIVELY AND CYCLICALLY SCANNED BY SAID BEAM, SAID ELECTRICALLY CONDUCTIVE MEMBERS EXTENDING FROM THE INTERIOR OF SAID CATHODE-RAY TUBE THROUGH SAID HEAD STRUCTURE TO SAID TAPE-RECEIVING SURFACE; AN ELONGATED ELECTRET TAPE RECORDING MEDIUM; AND TRANSPORT MEANS FOR DRAWING SAID TAPE ACROSS SAID TAPE-RECEIVING SURFACE OF SAID HEAD ALONG A PATH TRAVERSED BY SAID GIVEN AXIS IN ELECTROSTATICALLY COUPLED RELATIONSHIP WITH SAID ELECTRICALLY CONDUCTIVE MEMBERS, SO THAT SAID BEAM IS EFFECTIVELY SCANNED WITH RESPECT TO SAID TAPE IN A SUCCESSION OF PARALLEL DIAGONAL PATHS EXTENDING ACROSS SAID TAPE.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |