US3588486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matrix multiplier for obtaining the dot product of two vectors
Assignee: SRI International Inc
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Filing: 1966-09-16
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Granted: 1971-06-28
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Expires: 1986-09-16
Abstract
Abstract A MATRIX MULTIPLIER FOR USE IN LEARNING MACHINES IN WHICH THE DOOT PRODUCT OF TWO VECTORS MAY BE READILY OBTAINED AND WHERE AT LEAST ONE VECTOR MAY CONTAIN NUMEROUS COMPONENTS. THE APPARATUS OF THE INVENTION COMPRISES A CATHODE-RAY TUBE, A SHEET OF PHOTOCHROMIC FILM DISPOSED OVER THE FACE OF THE FILM OPPOSITE THE TUBE AND FACING THE TUBE FACE.
Inventors
- 👤 Charles A Rosen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:41
CPC Classifications
G; G09; G09B; G09B7/00; G09B7/02; G06; G06G; G06G7/00; G06G7/12; G06G7/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |