US3290651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Character recognition system employing character data digitizer and black and white data diode memory array
Assignee: CHARACTER RECOGNITION CORP
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Filing: 1965-12-23
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Granted: 1966-12-06
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Expires: 1985-12-23
Abstract
No abstract record available.
Inventors
- 👤 Eldred H Paufve
- 👤 Robert B Greenly
- 👤 Frank P Lewandowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:31
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/10; G06V10/20; G06V10/24; G06V10/70; G06V10/74; G06V10/75
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN CHARACTER RECOGNITION APPARATUS, MEANS FOR SCANNING A CHARACTER TO BE RECOGNIZED AND FOR PROVIDING A BI-VALUED PULSE TRAIN CHARACTERISTIC OF SAID CHARACTER, COMPRISING, IN COMBINATION: MEANS FOR MOVING A DOCUMENT BEARING CHARACTERS TO BE READ IN A FIRST DIRECTION; A PLURALITY OF PHOTO-SENSITIVE ELEMENTS DISPOSED IN A ROW WHICH EXTENDS IN A SECOND DIRECTION PERPENDICULAR TO SAID FIRST DIRECTION; MEANS FOR GENERATING A PERIODIC TIMING SIGNAL; AN ELECTRONIC RING COUNTER CONNECTED THROUGH A FIRST COINCIDENCE GATE TO BE ADVANCED THROUGH SUCCESSIVE COUNTS BY SUCCESSIVE OCCURRENCES OF SAID TIMING SIGNAL, SAID COUNTER HAVING A STAGE INDIVIDUAL TO EACH OF SAID PHOTO-SENSITIVE ELEMENTS; AN OR GATE HAVING A PLURALITY OF INPUT LINES; A PLURALITY OF AND GATES EACH
Claim 2
Dependent Claim
117 words
IN CHARACTER RECOGNITION APPARATUS, MEANS FOR SCANNING A CHARACTER TO BE RECOGNIZED AND FOR PROVIDING A BI-VALUED PULSE TRAIN CHARACTERISTIC OF SAID CHARACTER, COMPRISING, IN COMBINATION: MEANS FOR MOVING A DOCUMENT BEARING CHARACTERS TO BE READ IN A FIRST DIRECTION; A PLURALITY OF PHOTO-SENSITIVE ELEMENTS DISPOSED IN A ROW WHICH EXTENDS IN A SECOND DIRECTION PERPENDICULAR TO SAID FIRST DIRECTION; MEANS FOR GENERATING A PERIODIC TIMING SIGNAL; AN ELECTRONIC RING COUNTER CONNECTED THROUGH A FIRST COINCIDENCE GATE TO BE ADVANCED THROUGH SUCCESSIVE COUNTS BY SUCCESSIVE OCCURRENCES OF SAID TIMING SIGNAL, SAID COUNTER HAVING A STAGE INDIVIDUAL TO EACH OF SAID PHOTO-SENSITIVE ELEMENTS; AN OR GATE HAVING A PLURALITY OF INPUT LINES; A PLURALITY OF AND GATES EACH
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |