US3309668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for recognizing poorly separated characters
Assignee: EMI Ltd
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Filing: 1962-12-26
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Granted: 1967-03-14
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Ingham William Ellis
- 👤 Lemay Christopher Archi Gordon
- 👤 Jarrett John James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:23
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/86; G01N30/8624; G06; G06V; G06V10/00; G06V10/70; G06V10/74; G06V10/75; G06V10/751; G06V10/7515
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A PATTERN RECOGNITION DEVICE COMPRISING MEANS FOR SENSING AN AREA IN WHICH PATTERNS MAY OCCUR IN INDETERMINATE POSITIONS, TO DERIVE SIGNALS IN RESPONSE TO SUCH PATTERNS WHICH SIGNALS MAY OCCUR AT INDETERMINATE TIMES DEPENDING ON THE POSITIONS OF SAID PATTERNS, MEANS FOR APPLYING SAID SIGNALS TO CORRELATION DEVICES TO DERIVE FROM SAID DEVICES A PLURALITY OF CORRELATION SIGNALS REPRESENTATIVE RESPECTIVELY OF THE CORRELATION BETWEEN A PATTERN BEING SENSED AND A PLURALITY OF PREDETERMINED PATTERNS, SAID CORRELATION SIGNALS BEING LIABLE TO EXHIBIT EXTREME VALUES AT INDETERMINATE TIMES RESPONSIVE TO SAID SENSING MEANS AND THE POSITIONS OF THE PATTERNS WHICH ARE SENSED, STORAGE MEANS FOR STORING AN INDICATION OF THE CORRELATION SIGNAL WHICH HAS ATTAINED THE EXTREME VALUE OF GREATEST MAGNITUDE SINCE SAID STORAGE MEANS WAS LAST RESET, TIMING MEANS OF WHICH THE OPERATION IS INITIATED BY THE ATTAINMENT OF AN EXTREME VALUE OF GREATEST MAGNITUDE, IDENTIFYING MEANS FOR UTILISING THE INDICATION OF SAID STORAGE MEANS TO IDENTIFY THE PATTERN SENSED BY SAID SENSING
Claim 2
Dependent Claim
162 words
A PATTERN RECOGNITION DEVICE COMPRISING MEANS FOR SENSING AN AREA IN WHICH PATTERNS MAY OCCUR IN INDETERMINATE POSITIONS, TO DERIVE SIGNALS IN RESPONSE TO SUCH PATTERNS WHICH SIGNALS MAY OCCUR AT INDETERMINATE TIMES DEPENDING ON THE POSITIONS OF SAID PATTERNS, MEANS FOR APPLYING SAID SIGNALS TO CORRELATION DEVICES TO DERIVE FROM SAID DEVICES A PLURALITY OF CORRELATION SIGNALS REPRESENTATIVE RESPECTIVELY OF THE CORRELATION BETWEEN A PATTERN BEING SENSED AND A PLURALITY OF PREDETERMINED PATTERNS, SAID CORRELATION SIGNALS BEING LIABLE TO EXHIBIT EXTREME VALUES AT INDETERMINATE TIMES RESPONSIVE TO SAID SENSING MEANS AND THE POSITIONS OF THE PATTERNS WHICH ARE SENSED, STORAGE MEANS FOR STORING AN INDICATION OF THE CORRELATION SIGNAL WHICH HAS ATTAINED THE EXTREME VALUE OF GREATEST MAGNITUDE SINCE SAID STORAGE MEANS WAS LAST RESET, TIMING MEANS OF WHICH THE OPERATION IS INITIATED BY THE ATTAINMENT OF AN EXTREME VALUE OF GREATEST MAGNITUDE, IDENTIFYING MEANS FOR UTILISING THE INDICATION OF SAID STORAGE MEANS TO IDENTIFY THE PATTERN SENSED BY SAID SENSING
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |