US3175194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary memory drums
Assignee: Lanteris Space LLC
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Filing: 1959-10-30
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Granted: 1965-03-23
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Expires: 1979-10-30
Abstract
No abstract record available.
Inventors
- 👤 Marcel J E Golay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:56
CPC Classifications
G; G11; G11C; G11C13/00; G11C13/04; G11C13/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
APPARATUS FOR RELATIVELY EXTENSIVE STORAGE OF DATA BY MINIATURE EQUIPMENT AND FOR UTILIZATION OF THE STORED DATA WITH A MINIMUM OF INERTIAL EFFECT OF MOVING MASSES, COMPRISING: A RELATIVELY SMALL DRUM-SHAPED BODY OF LOW INERTIA, ROTATABLE ABOUT ITS LONGITUDINAL AXIS AND HAVING DATA BITS DISPOSED IN PARALLEL STRAIGHT LINES ON THE CYLINDRICAL SURFACE THEREOF; ILLUMINATING MEANS FOR PROJECTING ONTO SAID SURFACE A NARROW LUMINOUS STRAIGHT LINE SUBSTANTIALLY COEXTENSIVE WITH THE LENGTH OF THE SURFACE AND COMPLETELY ILLUMINATING EACH SUCCESSIVE LINE OF DATA BITS WHEN THE BODY ROTATES; A SYSTEM OF PHOTORESPONSIVE ELEMENTS OR CELLS ARRANGED IN A ROW RADIALLY SPACED FROM AND APPRECIABLY LONGER THAN SAID NARROW LUMINOUS STRAIGHT LINE; AND MAGNIFIER MEANS FOCUSSED UPON SAID LUMINOUS LINE FOR FORMING AN EXTENDED IMAGE THEREOF COVERING THE ROW OF CELLS AND FOR THUS ENABLING THE CELLS, WITHOUT AXIAL MOTION RELATIVE TO SAID DRUM-SHAPED BODY, TO SCAN EACH SUCCESSIVE LINE OF DATA BITS WHEN ILLUMINATED BY SAID LUMINOUS LINE.
Claim 2
Dependent Claim
157 words
APPARATUS FOR RELATIVELY EXTENSIVE STORAGE OF DATA BY MINIATURE EQUIPMENT AND FOR UTILIZATION OF THE STORED DATA WITH A MINIMUM OF INERTIAL EFFECT OF MOVING MASSES, COMPRISING: A RELATIVELY SMALL DRUM-SHAPED BODY OF LOW INERTIA, ROTATABLE ABOUT ITS LONGITUDINAL AXIS AND HAVING DATA BITS DISPOSED IN PARALLEL STRAIGHT LINES ON THE CYLINDRICAL SURFACE THEREOF; ILLUMINATING MEANS FOR PROJECTING ONTO SAID SURFACE A NARROW LUMINOUS STRAIGHT LINE SUBSTANTIALLY COEXTENSIVE WITH THE LENGTH OF THE SURFACE AND COMPLETELY ILLUMINATING EACH SUCCESSIVE LINE OF DATA BITS WHEN THE BODY ROTATES; A SYSTEM OF PHOTORESPONSIVE ELEMENTS OR CELLS ARRANGED IN A ROW RADIALLY SPACED FROM AND APPRECIABLY LONGER THAN SAID NARROW LUMINOUS STRAIGHT LINE; AND MAGNIFIER MEANS FOCUSSED UPON SAID LUMINOUS LINE FOR FORMING AN EXTENDED IMAGE THEREOF COVERING THE ROW OF CELLS AND FOR THUS ENABLING THE CELLS, WITHOUT AXIAL MOTION RELATIVE TO SAID DRUM-SHAPED BODY, TO SCAN EACH SUCCESSIVE LINE OF DATA BITS WHEN ILLUMINATED BY SAID LUMINOUS LINE.
References Cited (Backward Citations)
US2985872A
Cited
US2894064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |