US3412255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Character recognition system using selectively positioned light conducting rods and including conversion to exess three binary code
Assignee: Unisys Corp
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Filing: 1964-12-22
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Granted: 1968-11-19
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Expires: 1984-12-22
Abstract
No abstract record available.
Inventors
- 👤 Edward L Krieger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:30
CPC Classifications
G; G11; G11C; G11C13/00; G11C13/04; G11C13/048; G06; G06V; G06V30/00; G06V30/10; G06V30/22; G06V30/224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A FIBER OPTIC ENCODER COMPRISING: (A) A PLURALITY OF INPUT FIBER OPTIC RODS, (B) A NUMERIC CHARACTER VIEWING AREA, (C) A PLURALITY OF LIGHT SENSITIVE FIBER OPTIC RODS, (D) MEANS FOR POSITIONING AN END OF EACH OF SAID LIGHT SENSITIVE FIBER OPTIC RODS IN A PARTICULAR PORTION OF SAID VIEWING AREA, (E) MEANS FOR SUPERPOSING ONE OF A SET OF UNIQUE NUMERIC CHARACTERS ON SAID VIEWING AREA TO SELECTIVELY COVER THE ENDS OF A UNIQUE GROUP OF SAID LIGHT SENSITIVE RODS TO PREVENT LIGHT FROM ENTERING THE COVERED RODS, (F) MEANS FOR COUPLING THE LIGHT AND NO-LIGHT FROM SAID LIGHT SENSITIVE RODS TO SAID INPUT RODS, (G) A PLURALITY OF OUTPUT FIBER OPTIC RODS, AND (H) MEANS FOR SELECTIVELY LIGHT COUPLING EACH OF SAID OUTPUT RODS TO INDIVIDUAL ONES OF SAID INPUT RODS, SAID OUTPUT RODS PROVIDING LIGHT AND NO-LIGHT OUTPUTS INDICATIVE OF SAID REPRESENTED NUMERIC CHARACTER.
Claim 2
Dependent Claim
147 words
A FIBER OPTIC ENCODER COMPRISING: (A) A PLURALITY OF INPUT FIBER OPTIC RODS, (B) A NUMERIC CHARACTER VIEWING AREA, (C) A PLURALITY OF LIGHT SENSITIVE FIBER OPTIC RODS, (D) MEANS FOR POSITIONING AN END OF EACH OF SAID LIGHT SENSITIVE FIBER OPTIC RODS IN A PARTICULAR PORTION OF SAID VIEWING AREA, (E) MEANS FOR SUPERPOSING ONE OF A SET OF UNIQUE NUMERIC CHARACTERS ON SAID VIEWING AREA TO SELECTIVELY COVER THE ENDS OF A UNIQUE GROUP OF SAID LIGHT SENSITIVE RODS TO PREVENT LIGHT FROM ENTERING THE COVERED RODS, (F) MEANS FOR COUPLING THE LIGHT AND NO-LIGHT FROM SAID LIGHT SENSITIVE RODS TO SAID INPUT RODS, (G) A PLURALITY OF OUTPUT FIBER OPTIC RODS, AND (H) MEANS FOR SELECTIVELY LIGHT COUPLING EACH OF SAID OUTPUT RODS TO INDIVIDUAL ONES OF SAID INPUT RODS, SAID OUTPUT RODS PROVIDING LIGHT AND NO-LIGHT OUTPUTS INDICATIVE OF SAID REPRESENTED NUMERIC CHARACTER.
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) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |