US3447138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical associative memory
Assignee: CARSON LAB Inc
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Filing: 1966-05-18
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Granted: 1969-05-27
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Expires: 1986-05-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur N Carson
- 👤 Gabor K Ujhelyi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:09
CPC Classifications
G; G11; G11C; G11C15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
AN ASSOCIATIVE MEMORY INCLUDING: A FIRST ELEMENT HAVING CENTERS THEREIN TRANSPARENT TO LIGHT OF FIRST PREDETERMINED WAVELENGTH: A SECOND ELEMENT HAVING CENTERS THEREIN OF ALTERABLE STATE IN RESPONSE TO LIGHT OF A SECOND PREDETERMINED WAVELENGTH, SAID SECOND ELEMENT BEING SPACED FROM SAID FIRST ELEMENT; A PLURALITY OF OPTICAL FIBER LASERS POSITIONED BETWEEN SAID FIRST AND SECOND ELEMENTS, SAID FIBER LASERS PROVIDING PATHS FOR CONNECTING CENTERS IN SAID FIRST AND SECOND ELEMENTS, SAID FIBER LASERS BEING CAPABLE OF EMITTING LIGHT OF SAID FIRST PREDETERMINED WAVELENGTH; MEANS DEFINING AN OPTICAL CAVITY, AID FIRST AND SECOND ELEMENTS AND SAID FIBER LASERS BEING IN SAID OPTICAL CAVITY; AND MEANS FOR ALTERING THE STATE OF AT LEAST SOME OF SAID CENTERS IN SAID SECOND ELEMENT TO CAUSE SAID ALTERED CENTERS TO PASS LIGHT OF SAID FIRST PREDETERMINED WAVELENGTH FROM SAID FIBER LASERS TO COMPLETE AN OPTICAL PATH IN SAID OPTICAL CAVITY AND CAUSE AT LEAST SOME OF SAID OPTICAL FIBERS TO LASE.
Claim 2
Dependent Claim
157 words
AN ASSOCIATIVE MEMORY INCLUDING: A FIRST ELEMENT HAVING CENTERS THEREIN TRANSPARENT TO LIGHT OF FIRST PREDETERMINED WAVELENGTH: A SECOND ELEMENT HAVING CENTERS THEREIN OF ALTERABLE STATE IN RESPONSE TO LIGHT OF A SECOND PREDETERMINED WAVELENGTH, SAID SECOND ELEMENT BEING SPACED FROM SAID FIRST ELEMENT; A PLURALITY OF OPTICAL FIBER LASERS POSITIONED BETWEEN SAID FIRST AND SECOND ELEMENTS, SAID FIBER LASERS PROVIDING PATHS FOR CONNECTING CENTERS IN SAID FIRST AND SECOND ELEMENTS, SAID FIBER LASERS BEING CAPABLE OF EMITTING LIGHT OF SAID FIRST PREDETERMINED WAVELENGTH; MEANS DEFINING AN OPTICAL CAVITY, AID FIRST AND SECOND ELEMENTS AND SAID FIBER LASERS BEING IN SAID OPTICAL CAVITY; AND MEANS FOR ALTERING THE STATE OF AT LEAST SOME OF SAID CENTERS IN SAID SECOND ELEMENT TO CAUSE SAID ALTERED CENTERS TO PASS LIGHT OF SAID FIRST PREDETERMINED WAVELENGTH FROM SAID FIBER LASERS TO COMPLETE AN OPTICAL PATH IN SAID OPTICAL CAVITY AND CAUSE AT LEAST SOME OF SAID OPTICAL FIBERS TO LASE.
References Cited (Backward Citations)
US3296594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |