US3205377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Raster linearity correction generator
Assignee: Individual
•
Filing: 1963-07-10
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Granted: 1965-09-07
•
Expires: 1983-07-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Lawrence A Nix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:22
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/22; H04N3/23; H04N3/233; H04N3/2335; G; G09; G09G; G09G1/00; G09G1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
248 words
A RASTER LINEARITY CORRECTION GENERATOR FOR COMPENSATING X-AXIS AND Y AXIS RAMP SIGNALS FOR DISTORTION DUE TO WIDE ANGLE CATHODE RAY TUBE DEFLECTION COMPRISING: AN X ON-AXIS CORRECTION MATRIX FOR CORRECTING X AXIS SWEEP NON-LINEARITY DUE TO CATHODE RAY TUBE GEOMETRY, SAID X ON-AXIS MATRIX HAVING FIRST AND SECOND INPUTS AND AN OUTPUT, SAID FIRST INPUT BEING CONNECTED TO AN X AXIS RAMP SIGNAL MEANS; A Y ON-AXIS CORRECTION MATRIX FOR CORRECTING Y AXIS SWEEP NON-LINEARITY DUE TO CATHODE RAY TUBE GEOMETRY, SAID Y ON-AXIS MATRIX HAVING FIRST AND SECOND INPUTS AND AN OUTPUT, SAID FIRST INPUT BEING CONNECTED TO Y AXIS RAMP SIGNAL MEANS; AN X OFF-AXIS CORRECTION MATRIX FOR GENERATING A SIGNAL IN PROPORTION TO SDAID Y AXIS RAMP SIGNAL, SAID X OFF-AXIS MATRIX HAVING AN INPUT BEING CONNECTED TO SAID Y AXIS RAMP SIGNAL MEANS AND AN OUTPUT; A Y OFF-AXIS CORRECTION MATRIX FORGENERATING A SIGNAL IN PROPORTION TO SAID Y AXIS SWEEP, SAID Y OFFAXIS MATRIX HAVING AN INPUT BEING CONNECTED TO SAID X AXIS RAMP SIGNAL MEANS AND AN OUTPUT; A COMBINING MEANS, SAID COMBINING MEANS HAVING FIRST AND SECOND INPUTS CONNECTED TO SAID X OFF-AXIS OUTOUT AND SAID Y OFF-AXIS OUTPUT, RESPECTIVELY, AND SAID COMBINING MEANS HAVING FIRST AND SECOND OUTPUTS CONNECTED TO SAID X ON-AXIS MATRIX SECOND INPUT AND SAID Y ON-AXIS MATRIX SECOND INPUT, RESPECTIVELY; WHEREBY; SAID X ON-AXIS MATRIX OUTPUT AND SAID Y ONAXIS MATRIX OUTPUT ARE FULLY COMPENSATED FOR DISTORTION DUE TO WIDE ANGLE CATHODE RAY TUBE DEFLECTION.
Claim 2
Dependent Claim
248 words
A RASTER LINEARITY CORRECTION GENERATOR FOR COMPENSATING X-AXIS AND Y AXIS RAMP SIGNALS FOR DISTORTION DUE TO WIDE ANGLE CATHODE RAY TUBE DEFLECTION COMPRISING: AN X ON-AXIS CORRECTION MATRIX FOR CORRECTING X AXIS SWEEP NON-LINEARITY DUE TO CATHODE RAY TUBE GEOMETRY, SAID X ON-AXIS MATRIX HAVING FIRST AND SECOND INPUTS AND AN OUTPUT, SAID FIRST INPUT BEING CONNECTED TO AN X AXIS RAMP SIGNAL MEANS; A Y ON-AXIS CORRECTION MATRIX FOR CORRECTING Y AXIS SWEEP NON-LINEARITY DUE TO CATHODE RAY TUBE GEOMETRY, SAID Y ON-AXIS MATRIX HAVING FIRST AND SECOND INPUTS AND AN OUTPUT, SAID FIRST INPUT BEING CONNECTED TO Y AXIS RAMP SIGNAL MEANS; AN X OFF-AXIS CORRECTION MATRIX FOR GENERATING A SIGNAL IN PROPORTION TO SDAID Y AXIS RAMP SIGNAL, SAID X OFF-AXIS MATRIX HAVING AN INPUT BEING CONNECTED TO SAID Y AXIS RAMP SIGNAL MEANS AND AN OUTPUT; A Y OFF-AXIS CORRECTION MATRIX FORGENERATING A SIGNAL IN PROPORTION TO SAID Y AXIS SWEEP, SAID Y OFFAXIS MATRIX HAVING AN INPUT BEING CONNECTED TO SAID X AXIS RAMP SIGNAL MEANS AND AN OUTPUT; A COMBINING MEANS, SAID COMBINING MEANS HAVING FIRST AND SECOND INPUTS CONNECTED TO SAID X OFF-AXIS OUTOUT AND SAID Y OFF-AXIS OUTPUT, RESPECTIVELY, AND SAID COMBINING MEANS HAVING FIRST AND SECOND OUTPUTS CONNECTED TO SAID X ON-AXIS MATRIX SECOND INPUT AND SAID Y ON-AXIS MATRIX SECOND INPUT, RESPECTIVELY; WHEREBY; SAID X ON-AXIS MATRIX OUTPUT AND SAID Y ONAXIS MATRIX OUTPUT ARE FULLY COMPENSATED FOR DISTORTION DUE TO WIDE ANGLE CATHODE RAY TUBE DEFLECTION.
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 |