US3193799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reading machine with time-spatial data extraction
Assignee: Control Data Corp
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Filing: 1961-06-06
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Granted: 1965-07-06
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Expires: 1981-06-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Holt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:47
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/20; G06V10/24; G06V10/40; G06V10/42; G06V10/421
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
286 words
IN A CHARACTER READING MACHINE FOR A CHARACTER ON A BACKGROUND AREA, WHEREIN THE READING MACHINE HAS A SCANNER WHICH EXAMINES THE AREA BY A SUCCESSION OF ADJACENT SCAN LINES AND PROVIDES INFORMATION OUTPUTS WHEN THE SCAN LINES INTERCEPT THE CHARACTER, A PLURALITY OF MEMORY DEVICES, THERE BEING A MEMORY DEVICE ASSOCIATED WITH EACH ZONE OF THE CHARACTER AREA WHERE A ZONE IS DEFINED AS A SUBAREA OF SAID AREA CROSSED BY ONLY A CORRESPONDING PORTION OF EACH OF A PLURALITY OF SAID SCAN LINES, THE TOTAL NUMBER AND ARRANGEMENT OF SAID ZONES COVERING SELECTED PARTS OF THE CHARACTER AREA LESS THAN THE COMBINED CHARACTER AND BACKGROUND AREA, A CONTROL GATE ASSOCIATED WITH EACH MEMORY DEVICE, MEANS TO CONTROL SAID GATES IN SUCH A MANNER THAT PREDETERMINED INFORMATION OUTPUTS OF THE SCANNER ARE IMPRESSED ON PREDETERMINED MEMORY DEVICES DEPENDING ON THE ZONE OF THE CHARACTER AREA FROM WHICH THE INFORMATION OUTPUTS ARE EXTRACTED, SAID CONTROL MEANS INCLUDING MEANS PROVIDING A FIRST GROUP OF SUCCESSIVE SIGNALS WHOSE TOTAL DURATION CORRESPONDS TO THE TIME REQUIRED FOR ALL OF THE SCAN LINES TO COVER THE AREA, AND MEANS PROVIDING A SECOND GROUP OF SUCCESSIVE SIGNALS SEQUENTIALLY OPERABLE DURING EACH SCAN LINE IN A MANNER SUCH THAT SAID SUCCESSIVE SIGNALS OF SAID FIRST AND SECOND GROUPS INTERSECT IN TIME TO ESTABLISH IN TIME A GRID OF TIME ZONES WHICH CORRESPOND TO SAID SUBAREA ZONES, MEANS FOR CONDUCTING PREDETERMINED SETS OF SIGNALS COMPOSED OF A SIGNAL FROM EACH GROUP TO PRESELECTED GATES TO ENABLE SAID PRESELECTED GATES, AND MEANS TO CONDUCT SAID INFORMATION OUTPUTS TO ALL OF SAID GATES SO THAT ONLY THE GATES ENABLED BY A SET OF SAID SIGNALS FROM BOTH GROUPS PASS INFORMATION TO ITS ASSOCIATED MEMORY DEVICE.
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |