US3333244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analog signal responsive circuit for recognizing unknowns
Assignee: Unisys Corp
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Filing: 1964-11-06
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Granted: 1967-07-25
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Expires: 1984-11-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph Reese Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:57
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/88
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
AN OPTICAL RECOGNITION SYSTEM FOR IDENTIFYING AN UNKNOWN CHARACTER FROM AMONG A PLURALITY OF KNOWN CHARACTERS COMPRISING MEANS FOR OPTICALLY MATCHING THE UNKNOWN WITH A PLURALITY OF KNOWN CHARACTER STANDARDS, MEANS FOR CONVERTING EACH OPTICAL MATCH INTO AN ELECTRICAL SIGNAL, A MEANS FOR APPLYING SAID SIGNALS TO CHANNELS INDIVIDUAL FOR EACH MATCH, MEANS ADJUSTING ALL ELECTRICAL SIGNALS PRODUCED BY THE MATCHING OPERATIONS TO A COMMON REFERENCE VALUE FOR DEFINING A PLU RALITY OF SIGNALS HAVING VARIABLE AMPLITUDES RELATIVE TO THE COMMON REFERENCE VALUE, AND EACH SIGNAL OF THE PLURALITY HAVING AN AMPLITUDE REPRESENTATIVE OF THE CLOSENESS OF THE MATCH BETWEEN THE UNKNOWN AND A KNOWN CHARACTER, A MAXIMUM READING STORAGE CIRCUIT IN EACH CHANNEL FOR STORING THE MAXIMUM ELECTRICAL SIGNAL FOR THAT CHANNEL''S CHARACTER MATCH, A SIGNAL REDUCING CIRCUIT, A MIXING CIRCUIT COMMON TO ALL OF SAID STORAGE CIRCUITS FOR COMPARING ALL OF SAID STORED MAXIMUM SIGNALS WITH EACH OTHER AND FOR PASSING TO SAID SIGNAL REDUCING CIRCUIT A MIXER OUTPUT SIGNAL EQUAL IN AM-
Claim 2
Dependent Claim
165 words
AN OPTICAL RECOGNITION SYSTEM FOR IDENTIFYING AN UNKNOWN CHARACTER FROM AMONG A PLURALITY OF KNOWN CHARACTERS COMPRISING MEANS FOR OPTICALLY MATCHING THE UNKNOWN WITH A PLURALITY OF KNOWN CHARACTER STANDARDS, MEANS FOR CONVERTING EACH OPTICAL MATCH INTO AN ELECTRICAL SIGNAL, A MEANS FOR APPLYING SAID SIGNALS TO CHANNELS INDIVIDUAL FOR EACH MATCH, MEANS ADJUSTING ALL ELECTRICAL SIGNALS PRODUCED BY THE MATCHING OPERATIONS TO A COMMON REFERENCE VALUE FOR DEFINING A PLU RALITY OF SIGNALS HAVING VARIABLE AMPLITUDES RELATIVE TO THE COMMON REFERENCE VALUE, AND EACH SIGNAL OF THE PLURALITY HAVING AN AMPLITUDE REPRESENTATIVE OF THE CLOSENESS OF THE MATCH BETWEEN THE UNKNOWN AND A KNOWN CHARACTER, A MAXIMUM READING STORAGE CIRCUIT IN EACH CHANNEL FOR STORING THE MAXIMUM ELECTRICAL SIGNAL FOR THAT CHANNEL''S CHARACTER MATCH, A SIGNAL REDUCING CIRCUIT, A MIXING CIRCUIT COMMON TO ALL OF SAID STORAGE CIRCUITS FOR COMPARING ALL OF SAID STORED MAXIMUM SIGNALS WITH EACH OTHER AND FOR PASSING TO SAID SIGNAL REDUCING CIRCUIT A MIXER OUTPUT SIGNAL EQUAL IN AM-
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |