Patent US5139473A successfully refreshed from Google Patents.
US3403289A
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Distortion correction system for flying spot scanners
Assignee: International Business Machines Corp
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Filing: 1966-02-18
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Granted: 1968-09-24
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Expires: 1986-02-18
Abstract
No abstract record available.
Inventors
- 👤 Gerald A Garry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:12
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/22; H04N3/23; H04N3/233; H04N3/2335; G; G06; G06V; G06V10/00; G06V10/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
DISTORTION CORRECTION APPARATUS FOR A FLYING SPOT SCANNER COMPRISING: MEANS FOR GENERATING LARGE AND SMALL BEAM DEFLECTION SIGNALS, MEANS FOR GENERATING LARGE AND SMALL DISTORTION CORRECTION SIGNALS FOR SAID LARGE AND SMALL BEAM DEFLECTION SIGNALS, AND MEANS FOR COMBINING SAID LARGE DEFLECTION SIGNALS WITH SAID LARGE CORRECTION SIGNALS AND SAID SMALL DEFLECTION SIGNALS WITH SAID SMALL CORRECTION SIGNALS TO PROVIDE CORRECTED LARGE AND SMALL DEFLECTION SIGNALS FREE OF DISTORTION.
Claim 2
Dependent Claim
69 words
DISTORTION CORRECTION APPARATUS FOR A FLYING SPOT SCANNER COMPRISING: MEANS FOR GENERATING LARGE AND SMALL BEAM DEFLECTION SIGNALS, MEANS FOR GENERATING LARGE AND SMALL DISTORTION CORRECTION SIGNALS FOR SAID LARGE AND SMALL BEAM DEFLECTION SIGNALS, AND MEANS FOR COMBINING SAID LARGE DEFLECTION SIGNALS WITH SAID LARGE CORRECTION SIGNALS AND SAID SMALL DEFLECTION SIGNALS WITH SAID SMALL CORRECTION SIGNALS TO PROVIDE CORRECTED LARGE AND SMALL DEFLECTION SIGNALS FREE OF DISTORTION.
References Cited (Backward Citations)
US2831145A
Cited
US3309560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |