US3114131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single track character sensing
Assignee: International Business Machines Corp
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Filing: 1958-10-15
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Granted: 1963-12-10
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Expires: 1978-10-15
Abstract
No abstract record available.
Inventors
- 👤 Robert J Furr
- 👤 Jr John E Pierpont
- 👤 Jr Glenmore L Shelton
- 👤 James A Weidenhammer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:35
CPC Classifications
G; G06; G06V; G06V30/00; G06V30/10; G06V30/22; G06V30/224; G06V30/2253
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
APPARATUS FOR RECOGNIZING CHARACTERS COMPRISING MEANS FOR LINEARLY SCANNING A CHARACTER AND PRODUCING AN OUTPUT WAVE HAVING RELATIVELY POSITIVE AND NEGATIVE EXCURSIONS REPRESENTATIVE OF A CHARACTER SCANNED, MEANS RESPONSIVE TO A SAID OUTPUT WAVE FOR PRODUCING ONE OUTPUT IN RESPONSE TO RELATIVELY POSITIVE EXCURSIONS OF SAID WAVE AND ANOTHER OUTPUT IN RESPONSE TO RELATIVELY NEGATIVE EXCURSIONS OF SAID WAVE, TIMING MEANS OPERATIVE IN RESPONSE TO THE FIRST EXCURSION OF A SAID OUTPUT WAVE FOR ESTABLISHING SUCCESSIVE SAMPLING TIMES, MEANS INCLUDING A MATRIX INCLUDING TWO GROUPS OF STORAGE ELEMENTS CONTROLLED BY SAID TIMING MEANS FOR STORING INDICATIONS OF POLARITY AND TIME OF OCCURRENCE OF EXCURSIONS OF SAID WAVE, ELEMENTS OF ONE OF SAID TWO GROUPS OF STORAGE ELEMENTS BEING SUCCESSIVELY RESPONSIVE TO SAID ONE OUTPUT DURING SUCCESSIVE PREDETERMINED SAMPLING TIMES AND ELEMENTS OF THE OTHER OF SAID TWO GROUPS OF STORAGE ELEMENTS BEING SUCCESSIVELY RESPONSIVE TO SAID OTHER OUTPUT DURING SUCCESSIVE SAMPLING TIMES, AND MEANS RESPONSIVE TO SELECTED ELEMENTS OF SAID MATRIX FOR INDICATING THE RECOGNITION OF A SPECIFIC CHARACTER UPON THE ESTABLISHMENT OF A PREDETERMINED PATTERN OF MATRIX STORAGE ELEMENT CONDITIONS.
Claim 2
Dependent Claim
181 words
APPARATUS FOR RECOGNIZING CHARACTERS COMPRISING MEANS FOR LINEARLY SCANNING A CHARACTER AND PRODUCING AN OUTPUT WAVE HAVING RELATIVELY POSITIVE AND NEGATIVE EXCURSIONS REPRESENTATIVE OF A CHARACTER SCANNED, MEANS RESPONSIVE TO A SAID OUTPUT WAVE FOR PRODUCING ONE OUTPUT IN RESPONSE TO RELATIVELY POSITIVE EXCURSIONS OF SAID WAVE AND ANOTHER OUTPUT IN RESPONSE TO RELATIVELY NEGATIVE EXCURSIONS OF SAID WAVE, TIMING MEANS OPERATIVE IN RESPONSE TO THE FIRST EXCURSION OF A SAID OUTPUT WAVE FOR ESTABLISHING SUCCESSIVE SAMPLING TIMES, MEANS INCLUDING A MATRIX INCLUDING TWO GROUPS OF STORAGE ELEMENTS CONTROLLED BY SAID TIMING MEANS FOR STORING INDICATIONS OF POLARITY AND TIME OF OCCURRENCE OF EXCURSIONS OF SAID WAVE, ELEMENTS OF ONE OF SAID TWO GROUPS OF STORAGE ELEMENTS BEING SUCCESSIVELY RESPONSIVE TO SAID ONE OUTPUT DURING SUCCESSIVE PREDETERMINED SAMPLING TIMES AND ELEMENTS OF THE OTHER OF SAID TWO GROUPS OF STORAGE ELEMENTS BEING SUCCESSIVELY RESPONSIVE TO SAID OTHER OUTPUT DURING SUCCESSIVE SAMPLING TIMES, AND MEANS RESPONSIVE TO SELECTED ELEMENTS OF SAID MATRIX FOR INDICATING THE RECOGNITION OF A SPECIFIC CHARACTER UPON THE ESTABLISHMENT OF A PREDETERMINED PATTERN OF MATRIX STORAGE ELEMENT CONDITIONS.
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) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |