Patent US3408634A successfully refreshed from Google Patents.
US3408634A
Expired / Lapsed
US
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Optical memory system
Assignee: Bendix Corp
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Filing: 1964-01-08
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Granted: 1968-10-29
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Expires: 1984-01-08
Abstract
No abstract record available.
Inventors
- 👤 Walter W Lee
- 👤 Arthur S Robinson
- 👤 David H Blauvelt
- 👤 Israel L Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:41
CPC Classifications
G; G11; G11C; G11C13/00; G11C13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A DIGITAL COMPUTER COMPRISING A STORAGE MEDIUM INCLUDING MEANS TO PRESENT MICROIMAGES ON A SURFACE OF SAID STORAGE MEDIUM, ILLUMINATING MEANS ABOUT WHICH SAID STORAGE MEDIUM ROTATES TO SELECTIVELY RENDER EFFECTIVE SAID MICROIMAGES, MEANS FOR EFFECTING INCREMENTAL ROTATION OF SAID STORAGE MEDIUM ABOUT SAID ILLUMINATING MEANS TO PREDETERMINED POSITIONS, MEANS TO CONTROL SAID INCREMENTAL ROTATION MEANS INCLUDING A COMPUTER TO PROVIDE SIGNALS TO DETERMINE DIRECTION AND EXTENT OF ANGULAR ROTATION OF SAID STORAGE MEDIUM TO PROVIDE SAID PREDETERMINED POSITIONS OF THE STORAGE MEDIUM, AN ADDRESS COUNTER MEANS, AN ELECTRONIC MEANS FOR READOUT OF THE MICROIMAGE SELECTIVELY RENDERED EFFECTIVE BY THE ANGULAR ROTATION OF SAID STORAGE MEDIUM TO SAID PREDETERMINED POSITIONS, SAID ADDRESS COUNTER MEANS BEING OPERABLE BY THE SIGNALS FROM SAID COMPUTER AND THE ELECTRONIC READ OUT MEANS, SAID ADDRESS COUNTER MEANS INCLUDING MEANS TO GENERATE AN ERROR SIGNAL OF A MAGNITUDE DEPENDENT UPON DIFFERENCE IN ANGULAR RELATION OF THE STORAGE MEDIUM TO THE POSITION PREDETERMINED BY THE SIGNALS FROM THE COMPUTER, AND SAID INCREMENTAL ROTATION MEANS BEING OPERABLE BY SAID ERROR SIGNAL TO ANGULARLY ROTATE THE STORAGE MEDIUM TO THE PREDETERMINED POSITION.
Claim 2
Dependent Claim
183 words
A DIGITAL COMPUTER COMPRISING A STORAGE MEDIUM INCLUDING MEANS TO PRESENT MICROIMAGES ON A SURFACE OF SAID STORAGE MEDIUM, ILLUMINATING MEANS ABOUT WHICH SAID STORAGE MEDIUM ROTATES TO SELECTIVELY RENDER EFFECTIVE SAID MICROIMAGES, MEANS FOR EFFECTING INCREMENTAL ROTATION OF SAID STORAGE MEDIUM ABOUT SAID ILLUMINATING MEANS TO PREDETERMINED POSITIONS, MEANS TO CONTROL SAID INCREMENTAL ROTATION MEANS INCLUDING A COMPUTER TO PROVIDE SIGNALS TO DETERMINE DIRECTION AND EXTENT OF ANGULAR ROTATION OF SAID STORAGE MEDIUM TO PROVIDE SAID PREDETERMINED POSITIONS OF THE STORAGE MEDIUM, AN ADDRESS COUNTER MEANS, AN ELECTRONIC MEANS FOR READOUT OF THE MICROIMAGE SELECTIVELY RENDERED EFFECTIVE BY THE ANGULAR ROTATION OF SAID STORAGE MEDIUM TO SAID PREDETERMINED POSITIONS, SAID ADDRESS COUNTER MEANS BEING OPERABLE BY THE SIGNALS FROM SAID COMPUTER AND THE ELECTRONIC READ OUT MEANS, SAID ADDRESS COUNTER MEANS INCLUDING MEANS TO GENERATE AN ERROR SIGNAL OF A MAGNITUDE DEPENDENT UPON DIFFERENCE IN ANGULAR RELATION OF THE STORAGE MEDIUM TO THE POSITION PREDETERMINED BY THE SIGNALS FROM THE COMPUTER, AND SAID INCREMENTAL ROTATION MEANS BEING OPERABLE BY SAID ERROR SIGNAL TO ANGULARLY ROTATE THE STORAGE MEDIUM TO THE PREDETERMINED POSITION.
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) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |