US3187218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron dynamic beam convergence apparatus for color receiver
Assignee: RCA Corp
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Filing: 1962-07-05
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Granted: 1965-06-01
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Expires: 1982-07-05
Abstract
No abstract record available.
Inventors
- 👤 Del Ralph R E
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:19
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A COLOR TELEVISION RECEIVER INCLUDING, A MULTIPLEBEAM COLOR KINESCOPE IMAGE-REPRODUCING DEVICE, AND LINE DEFLECTION MEANS FOR DEFLECTING SAID BEAMS IN A SERIES OF VERTICALLY SPACED HORIZONTAL LINES DURING SUCCESSIVE BEAM TRACE PERIODS TO FORM A RASTER, THE COMBINATION FOR CONVERGING SAID BEAMS AT ALL POINTS OF SAID RASTER, COMPRISING: A DYNAMIC CONVERGENCE ELECTROMAGNET HAVING AN ENERGIZING WINDING; INDUCTIVE MEANS CONNECTED WITH SAID ENGAGING WINDING TO COOPERATE WITH SAID WINDING IN CONVERGING VOLTAGE PULSES DERIVED FROM SAID DEFLECTION MEANS INTO A SUBSTANTIALLY PARABOLIC CURRENT WAVE FOR TRAVERSAL OF SAID WINDING; MEANS INCLUDING A SERIES ARRANGEMENT OF A CAPACITOR AND A RESISTOR CONNECTED IN PARALLEL WITH SAID ENERGIZING WINDING TO PRODUCE A SAWTOOTH CURRENT WAVE COMPONENT FOR TRAVERSAL OF SAID WINDING; AND
Claim 2
Dependent Claim
121 words
IN A COLOR TELEVISION RECEIVER INCLUDING, A MULTIPLEBEAM COLOR KINESCOPE IMAGE-REPRODUCING DEVICE, AND LINE DEFLECTION MEANS FOR DEFLECTING SAID BEAMS IN A SERIES OF VERTICALLY SPACED HORIZONTAL LINES DURING SUCCESSIVE BEAM TRACE PERIODS TO FORM A RASTER, THE COMBINATION FOR CONVERGING SAID BEAMS AT ALL POINTS OF SAID RASTER, COMPRISING: A DYNAMIC CONVERGENCE ELECTROMAGNET HAVING AN ENERGIZING WINDING; INDUCTIVE MEANS CONNECTED WITH SAID ENGAGING WINDING TO COOPERATE WITH SAID WINDING IN CONVERGING VOLTAGE PULSES DERIVED FROM SAID DEFLECTION MEANS INTO A SUBSTANTIALLY PARABOLIC CURRENT WAVE FOR TRAVERSAL OF SAID WINDING; MEANS INCLUDING A SERIES ARRANGEMENT OF A CAPACITOR AND A RESISTOR CONNECTED IN PARALLEL WITH SAID ENERGIZING WINDING TO PRODUCE A SAWTOOTH CURRENT WAVE COMPONENT FOR TRAVERSAL OF SAID WINDING; AND
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |