US3310705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linearity correction circuit
Assignee: RCA Corp
•
Filing: 1964-04-03
•
Granted: 1967-03-21
•
Expires: 1984-04-03
Abstract
No abstract record available.
Inventors
- 👤 Burnard E Nicholson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:52
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/48; H03K4/60; H03K4/62; H03K4/64; H03K4/90; H03K6/00; H03K6/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A DEFLECTION CIRCUIT ARRANGEMENT COMPRISING: AN ELECTRON BEAM DEFLECTION WINDING; CIRCUIT MEANS COUPLED TO SAID WINDING FOR CAUSING A CYCLICAL DEFLECTION CURRENT OF SAWTOOTH WAVEFORM TO FLOW IN SAID WINDING; AND A LINEARITY CORRECTION CIRCUIT COUPLED TO SAID WINDING FOR PROVIDING A LINEARITY CORRECTING VOLTAGE AT SAID WINDING DURING A TRACE INTERVAL TT, OF A DEFLECTION CYCLE, SAID CORRECTION CIRCUIT INCLUDING A FIRST ELECTRICAL ELEMENT HAVING REACTANCE OF ONE SIGN FOR CUMULATIVELY STORING ELECTRICAL ENERGY AND THEREBY GENERATING A LINEARITY CORRECTION VOLTAGE, MEANS INCLUDING A SOURCE OF DIRECT CURRENT OPERATING POTENTIAL FOR COUPLING ELECTRICAL ENERGY TO SAID FIRST ELEMENT DURING A TRACE INTERVAL OF THE DEFLECTION CYCLE, MEANS FOR COUPLING A CORRECTION VOLTAGE FROM SAID FIRST ELEMENT TO SAID DEFLECTION WINDING; AND CIRCUIT MEANS INCLUDING A SECOND ELECTRICAL ELEMENT HAVING REACTANCE OF OPPOSITE SIGN TO THE REACTANCE OF SAID FIRST ELEMENT TO RESONATE WITH SAID FIRST ELEMENT AND A SWITCHING MEANS ARRANGED TO RECIRCULATE ENERGY IN SAID FIRST ELEMENT DURING A RETRACE INTERVAL, TR, OF THE DEFLECTION CYCLE.
Claim 2
Dependent Claim
168 words
A DEFLECTION CIRCUIT ARRANGEMENT COMPRISING: AN ELECTRON BEAM DEFLECTION WINDING; CIRCUIT MEANS COUPLED TO SAID WINDING FOR CAUSING A CYCLICAL DEFLECTION CURRENT OF SAWTOOTH WAVEFORM TO FLOW IN SAID WINDING; AND A LINEARITY CORRECTION CIRCUIT COUPLED TO SAID WINDING FOR PROVIDING A LINEARITY CORRECTING VOLTAGE AT SAID WINDING DURING A TRACE INTERVAL TT, OF A DEFLECTION CYCLE, SAID CORRECTION CIRCUIT INCLUDING A FIRST ELECTRICAL ELEMENT HAVING REACTANCE OF ONE SIGN FOR CUMULATIVELY STORING ELECTRICAL ENERGY AND THEREBY GENERATING A LINEARITY CORRECTION VOLTAGE, MEANS INCLUDING A SOURCE OF DIRECT CURRENT OPERATING POTENTIAL FOR COUPLING ELECTRICAL ENERGY TO SAID FIRST ELEMENT DURING A TRACE INTERVAL OF THE DEFLECTION CYCLE, MEANS FOR COUPLING A CORRECTION VOLTAGE FROM SAID FIRST ELEMENT TO SAID DEFLECTION WINDING; AND CIRCUIT MEANS INCLUDING A SECOND ELECTRICAL ELEMENT HAVING REACTANCE OF OPPOSITE SIGN TO THE REACTANCE OF SAID FIRST ELEMENT TO RESONATE WITH SAID FIRST ELEMENT AND A SWITCHING MEANS ARRANGED TO RECIRCULATE ENERGY IN SAID FIRST ELEMENT DURING A RETRACE INTERVAL, TR, OF THE DEFLECTION CYCLE.
References Cited (Backward Citations)
US2954504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |