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Patent US3221337A successfully refreshed from Google Patents.
US3221337A
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System for correcting the position of a writing or reading beam relation to a recording medium
Assignee: General Electric Co
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Filing: 1963-11-12
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Granted: 1965-11-30
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Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Joseph G Quinn
- 👤 Harold J Dalman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:10
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/84; H04N3/00; H04N3/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A SYSTEM FOR TRANSFERRING INFORMATION TO OR FROM A RECORDING MEDIUM THROUGH THE INTERMEDIARY OF AN ELECTRON BEAM, (A) MEANS FOR DETECTING THE POSITION OF REFERENCE POINTS ON A MEDIUM, (B) MEANS FOR GENERATING A FIRST SIGNAL THAT CORRESPONDS WITH THE INSTANEOUS POSITION OF A REFERENCE POINT WITH RESPECT TO AN ARBITRARY STATIONARY POINT, (C) AN ELECTRON BEAM THAT IS ADAPTED TO READ OR WRITE INFORMATION AND VERTICAL DEFLECTION MEANS FOR POSITIONING THE BEAM VERTICALLY WITH RESPECT TO THE MEDIUM, (D) A VERTICAL DEFLECTION SIGNAL SOURCE IN CIRCUIT WITH THE VERTICAL DEFLECTION MEANS OF THE INFORMATION ELECTRON BEAM SOURCE, (E) MEANS FOR COMBINING THE VERTICAL DEFLECTION SIGNAL WITH SAID FIRST SIGNAL TO PRODUCE A FINAL VERTICAL DEFLECTION SIGNAL FOR MAINTAINING THE INFORMATION BEAM IN ITS CORRECT POSITION RELATIVE TO THE MEDIUM REFERENCE POINTS, AND
Claim 2
Dependent Claim
135 words
IN A SYSTEM FOR TRANSFERRING INFORMATION TO OR FROM A RECORDING MEDIUM THROUGH THE INTERMEDIARY OF AN ELECTRON BEAM, (A) MEANS FOR DETECTING THE POSITION OF REFERENCE POINTS ON A MEDIUM, (B) MEANS FOR GENERATING A FIRST SIGNAL THAT CORRESPONDS WITH THE INSTANEOUS POSITION OF A REFERENCE POINT WITH RESPECT TO AN ARBITRARY STATIONARY POINT, (C) AN ELECTRON BEAM THAT IS ADAPTED TO READ OR WRITE INFORMATION AND VERTICAL DEFLECTION MEANS FOR POSITIONING THE BEAM VERTICALLY WITH RESPECT TO THE MEDIUM, (D) A VERTICAL DEFLECTION SIGNAL SOURCE IN CIRCUIT WITH THE VERTICAL DEFLECTION MEANS OF THE INFORMATION ELECTRON BEAM SOURCE, (E) MEANS FOR COMBINING THE VERTICAL DEFLECTION SIGNAL WITH SAID FIRST SIGNAL TO PRODUCE A FINAL VERTICAL DEFLECTION SIGNAL FOR MAINTAINING THE INFORMATION BEAM IN ITS CORRECT POSITION RELATIVE TO THE MEDIUM REFERENCE POINTS, AND
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |