US3201752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reading machine with mark separation
Assignee: Control Data Corp
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Filing: 1962-06-11
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Granted: 1965-08-17
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Expires: 1982-06-11
Abstract
No abstract record available.
Inventors
- 👤 Rabinow Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:44
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/20; G06V10/26; G06V10/30
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
100 words
IN A READING MACHINE FOR CHARACTERS ON AN OPTICALLY CONTRASTING AREA WHERE SAID AREA HAS AT LEAST ONE ADDITIONAL MARK WHOSE REFLECTANCE IS SIMILAR TO THE CHARACTERS AND WHOSE LOCATION RELATIVE TO A CHARACTER CAN VARY SUCH THAT THE MARK MAY TOUCH A CHARACTER, SAID MACHINE HAVING MEANS TO FORM AN IMAGE OF SAID AREA, A PHOTOSENSITIVE EXAMINATION DEIVCE ON WHICH SAID IMAGE IS FORMED, SAID DEVICE BEING SENSITIVE TO AN UNKNOWN CHARACTER AND SAID MARK OF SAID AREA-IMAGE, PROCESSING EANS PROVIDING OUTPUTS WHICH CORRESPOND TO BOTH SAID CHARACTER AND MARK, MEANS RESPONSIVE TO SAID OUTPUTS TO PROVIDE SIGNALS BY
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |