US3246295A
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Assignee: ARCS IND Inc
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Filing: 1959-12-14
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Granted: 1966-04-12
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Expires: 1979-12-14
Abstract
No abstract record available.
Inventors
- 👤 Claris Nicholas De
- 👤 Melvin F Silverstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:23
CPC Classifications
G; G06; G06V; G06V30/00; G06V30/10; G06V30/22; G06V30/224; G06V30/2253; G07; G07D; G07D7/00; G07D7/06; G07D7/12; G07D7/121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
APPARATUS FOR RECOGNIZING A DOCUMENT COMPRISING MEANS FOR DETERMINING THE LIGHT TRANSMISSION CHARACTERISTICS OF SAID DOCUMENT, SAID LIGHT TRANSMISSION DETERMINING MEANS COMPRISING, MEANS FOR ILLUMINATING SAID DOCUMENT, MEANS FOR SEQUENTIALLY SAMPLING THE LIGHT TRANSMITTED THROUGH SAID DOCUMENT REPRESENTING THE OPTICAL DENSITY THEREOF TO DERIVE A PLURALITY OF SIGNALS EACH REPRESENTATIVE OF THE INTEGRAL OF THE PRODUCT OF REPRESENTATIVE TIME-SPACED IMPULSES WITH A COMMON TIME FUNCTION REPESENTATIVE OF THE OPTICAL DENSITY CHARACTERISTICS OF SAID DOCUMENTS, AND MEANS FOR COMBINING SAID PLURALITY OF SIGNALS TO PROVIDE AN OUTPUT SIGNAL CHARACTERIZED BY A WAVEFORM REPRESENTATIVE OF THE LIGHT TRANSMISSION CHARACTERISTICS OF SAID DOCUMENT.
Claim 2
Dependent Claim
100 words
APPARATUS FOR RECOGNIZING A DOCUMENT COMPRISING MEANS FOR DETERMINING THE LIGHT TRANSMISSION CHARACTERISTICS OF SAID DOCUMENT, SAID LIGHT TRANSMISSION DETERMINING MEANS COMPRISING, MEANS FOR ILLUMINATING SAID DOCUMENT, MEANS FOR SEQUENTIALLY SAMPLING THE LIGHT TRANSMITTED THROUGH SAID DOCUMENT REPRESENTING THE OPTICAL DENSITY THEREOF TO DERIVE A PLURALITY OF SIGNALS EACH REPRESENTATIVE OF THE INTEGRAL OF THE PRODUCT OF REPRESENTATIVE TIME-SPACED IMPULSES WITH A COMMON TIME FUNCTION REPESENTATIVE OF THE OPTICAL DENSITY CHARACTERISTICS OF SAID DOCUMENTS, AND MEANS FOR COMBINING SAID PLURALITY OF SIGNALS TO PROVIDE AN OUTPUT SIGNAL CHARACTERIZED BY A WAVEFORM REPRESENTATIVE OF THE LIGHT TRANSMISSION CHARACTERISTICS OF SAID DOCUMENT.
References Cited (Backward Citations)
US2413349A
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US2651771A
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US2663758A
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US2894247A
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US3089122A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |