US3706080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holographic optical memory having pivot lens apparatus
Assignee: Honeywell Inc
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Filing: 1971-06-01
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Granted: 1972-12-12
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Expires: 1991-06-01
Abstract
Abstract A HOLOGRAPHIC OPTICAL MEMORY SYSTEM INCLUDES PIVOTING LENS APPARATUS POSITIONED PROXIMATE THE MEMORY MEDIUM. THIS ARRANGEMENT ALLOWS THE HOLOGRAMS TO BE READ OUT USING THE SAME BEAM AS THAT WHICH ACTED AS THE REFERENCE BEAM DURING THE STORAGE OF THE HOLOGRAMS. THE PIVOTING LENS APPARATUS PIVOTS THE PORTION OF THE READ OUT BEAM WHICH IS DIFFRACTED BY EACH HOLOGRAM INTO A COMMON RECONSTRUCTED IMAGE PLANE. A PHOTODETECTOR ARRAY IS POSITIONED AT THE RECONSTRUCTED IMAGE PLANE.
Inventors
- 👤 Tzuo-Chang Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:55
CPC Classifications
G; G03; G03H; G03H1/00; G03H1/26; G11; G11C; G11C13/00; G11C13/04; G11C13/042; G03H2223/00; G03H2223/19; G03H2240/00; G03H2240/20; G03H2240/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |