US3305832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
End of character detector
Assignee: Unisys Corp
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Filing: 1962-09-24
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Granted: 1967-02-21
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Expires: 1982-09-24
Abstract
No abstract record available.
Inventors
- 👤 Eugene H Griffin
- 👤 James W Gunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:52
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/10; G06V10/20; G06V10/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A CHARACTER RECOGNITION SYSTEM COMPRISING MEANS TO SUCCESSIVELY SCAN A PLURALITY OF CHARACTERS TO DERIVE CHARACTERISTIC OUTPUTS THEREFROM, CORRELATION MEANS COUPLED TO RECEIVE SAID OUTPUTS AND TO INDICATE ON A PLURALITY OF CONDUCTORS THE DEGREE OF CORRELATION BETWEEN THE CHARACTER BEING SCANNED AND A PLURALITY OF KNOWN CHARACTERS, MEANS TO INTERROGATE SAID CONDUCTORS FOR DERIVING A SIGNAL INDICATING THAT CORRELATION APPROACHES, MEANS COUPLED TO RECEIVE SAID SIGNAL FOR CONTROLLING THE DURATION OF THE SCANNING ACTION AFTER SAID SIGNAL IS RECEIVED, AND MEANS COUPLED TO SAID LAST NAMED MEANS FOR INITIATING AN INTERROGATE COMMAND AT THE END OF THE DURATION OF THE SCANNING ACTION.
Claim 2
Dependent Claim
103 words
A CHARACTER RECOGNITION SYSTEM COMPRISING MEANS TO SUCCESSIVELY SCAN A PLURALITY OF CHARACTERS TO DERIVE CHARACTERISTIC OUTPUTS THEREFROM, CORRELATION MEANS COUPLED TO RECEIVE SAID OUTPUTS AND TO INDICATE ON A PLURALITY OF CONDUCTORS THE DEGREE OF CORRELATION BETWEEN THE CHARACTER BEING SCANNED AND A PLURALITY OF KNOWN CHARACTERS, MEANS TO INTERROGATE SAID CONDUCTORS FOR DERIVING A SIGNAL INDICATING THAT CORRELATION APPROACHES, MEANS COUPLED TO RECEIVE SAID SIGNAL FOR CONTROLLING THE DURATION OF THE SCANNING ACTION AFTER SAID SIGNAL IS RECEIVED, AND MEANS COUPLED TO SAID LAST NAMED MEANS FOR INITIATING AN INTERROGATE COMMAND AT THE END OF THE DURATION OF THE SCANNING ACTION.
References Cited (Backward Citations)
US2838602A
Cited
US2889535A
Cited
US2877951A
Cited
US3088097A
Cited
US3050711A
Cited
US3246296A
Cited
US3160855A
Cited
US3213422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |