US3222638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Specimen identification apparatus utilizing optical autocorrelation functions
Assignee: International Business Machines Corp
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Filing: 1961-12-04
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Granted: 1965-12-07
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Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Glenmore L Shelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:04
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/88; G06V10/89; G06V10/893; G06V10/895
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
SPECIMEN IDENTIFICATION APPARATUS COMPRISING A PLURALITY OF INPUT TERMINALS ADAPTED TO BE CONNECTED IN PARALLEL TO A SOURCE OF DIGITAL ELECTRICAL SIGNALS CORRESPONDING TO COMPONENT ELEMENTS OF THE AUTOCORRELATION FUNCTION OF A SPECIMEN TO BE IDENTIFIED, A PLURALITY OF LIGHT TRANSMITTING DEVICES EACH COUPLED TO A CORRESPONDING ONE OF SAID INPUT TERMINALS, A PLURALITY OF MASKS EACH CONTAINING A DIGITIZED OPTICAL PATTERN INDICATIVE OF A REFERENCE AUTOCORRELATION FUNCTION, EACH OF SAID TRANSMITTING DEVICES BEING RESPONSIVE TO THE PRESENCE OF A DIGITAL SIGNAL ON ITS CORRESPONDING INPUT TERMINAL TO TRANSMIT LIGHT THROUGH SAID PLURALITY OF MASKS, THE LIGHT TRANSMITTED BY SAID TRANSMITTING DEVICES FORMING A DIGITIZED OPTICAL PATTERN INDICATIVE OF THE COMPONENT ELEMENTS OF THE AUTOCORRELATION FUNCTION OF SAID SPECIMEN, AND MEANS RESPONSIVE TO THE LIGHT PASSED BY SAID MASKS TO IDENTIFY THE MASK PASSING THE GREATEST AMOUNT OF LIGHT, THEREBY IDENTIFYING SAID SPECIMEN.
Claim 2
Dependent Claim
143 words
SPECIMEN IDENTIFICATION APPARATUS COMPRISING A PLURALITY OF INPUT TERMINALS ADAPTED TO BE CONNECTED IN PARALLEL TO A SOURCE OF DIGITAL ELECTRICAL SIGNALS CORRESPONDING TO COMPONENT ELEMENTS OF THE AUTOCORRELATION FUNCTION OF A SPECIMEN TO BE IDENTIFIED, A PLURALITY OF LIGHT TRANSMITTING DEVICES EACH COUPLED TO A CORRESPONDING ONE OF SAID INPUT TERMINALS, A PLURALITY OF MASKS EACH CONTAINING A DIGITIZED OPTICAL PATTERN INDICATIVE OF A REFERENCE AUTOCORRELATION FUNCTION, EACH OF SAID TRANSMITTING DEVICES BEING RESPONSIVE TO THE PRESENCE OF A DIGITAL SIGNAL ON ITS CORRESPONDING INPUT TERMINAL TO TRANSMIT LIGHT THROUGH SAID PLURALITY OF MASKS, THE LIGHT TRANSMITTED BY SAID TRANSMITTING DEVICES FORMING A DIGITIZED OPTICAL PATTERN INDICATIVE OF THE COMPONENT ELEMENTS OF THE AUTOCORRELATION FUNCTION OF SAID SPECIMEN, AND MEANS RESPONSIVE TO THE LIGHT PASSED BY SAID MASKS TO IDENTIFY THE MASK PASSING THE GREATEST AMOUNT OF LIGHT, THEREBY IDENTIFYING SAID SPECIMEN.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |