Patent US4332251A successfully refreshed from Google Patents.
Patent US3309560A successfully refreshed from Google Patents.
US3309560A
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US
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Linearity correction apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1963-10-10
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Granted: 1967-03-14
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Expires: 1983-10-10
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Popodi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:30
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
102 words
A LINEARITY CORRECTION CIRCUIT FOR A CATHODE RAY TUBE DISPLAY, COMPRISING IN COMBINATION: MEANS FOR GENERATING AN ELECTRON BEAM; TARGET MEANS; A SOURCE OF DEFLECTION SIGNALS; DEFLECTION MEANS COUPLED TO SAID SOURCE OF DEFLECTION SIGNALS AND COOPERATING WITH SAID ELECTRON BEAM TO SCAN A RASTER OF A PREDETERMINED SHAPE ON SAID TARGET MEANS; A VOLTAGE CONTROLLED NONLINEAR VOLTAGE DIVIDER COUPLED BETWEEN SAID DEFLECTION MEANS AND SAID SOURCE OF DEFLECTION SIGNALS, SAID SOURCE OF DEFLECTION SIGNALS ALTERING THE DIVIDER RATIO OF SAID VOLTAGE DIVIDER IN RELATION TO THE MAGNITUDE OF SAID DEFLECTION SIGNALS DIRECTED THERETO FOR COMPENSATING FOR NONLINEAR DISTORTION OF SAID RASTER.
Claim 2
Dependent Claim
102 words
A LINEARITY CORRECTION CIRCUIT FOR A CATHODE RAY TUBE DISPLAY, COMPRISING IN COMBINATION: MEANS FOR GENERATING AN ELECTRON BEAM; TARGET MEANS; A SOURCE OF DEFLECTION SIGNALS; DEFLECTION MEANS COUPLED TO SAID SOURCE OF DEFLECTION SIGNALS AND COOPERATING WITH SAID ELECTRON BEAM TO SCAN A RASTER OF A PREDETERMINED SHAPE ON SAID TARGET MEANS; A VOLTAGE CONTROLLED NONLINEAR VOLTAGE DIVIDER COUPLED BETWEEN SAID DEFLECTION MEANS AND SAID SOURCE OF DEFLECTION SIGNALS, SAID SOURCE OF DEFLECTION SIGNALS ALTERING THE DIVIDER RATIO OF SAID VOLTAGE DIVIDER IN RELATION TO THE MAGNITUDE OF SAID DEFLECTION SIGNALS DIRECTED THERETO FOR COMPENSATING FOR NONLINEAR DISTORTION OF SAID RASTER.
References Cited (Backward Citations)
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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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |