US3195112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic film drum data storage equipment
Assignee: General Electric Co
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Filing: 1963-03-12
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Granted: 1965-07-13
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Expires: 1983-03-12
Abstract
No abstract record available.
Inventors
- 👤 William C Hughes
- 👤 John E Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:43
CPC Classifications
G; G11; G11C; G11C13/00; G11C13/04; G11C13/048; G06; G06K; G06K17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A DIGITAL DATA INFORMATION STORAGE DEVICE THE COMBINATION OF A ROTATABLE DRUM HAVING AN IMPRESSIONABLE SOLID THERMOPLASTIC RECORDING MEDIUM SECURED TO THE SURFACE THEREOF, A READOUT DEVICE FOR INSPECTING DISCRETE AREAS OF THE THERMOPLASTIC RECORDING MEDIUM AND DERIVING AN OUTPUT ELECTRIC SIGNAL INDICATIVE OF THE INTELLIGENCE IMPRESSED ON THE THERMOSPLASIC RECORDING MEDIUM BY ELECTRON WRITING, AUTOMATIC POSITIONING MEANS FOR ACCURATELY POSITIONING SAID DRUM ROTATIONALLY AND LONGITUDINALLY IN ANY DESIRED LOCATION WITH RESPECT TO SAID READOUT DEVICE, POSITION CONTROL MEANS FOR ACCURATELY CONTROLLING THE OPERATION OF SAID POSITIONING MEANS, AND READOUT LOGICAL CIRCUIT MEANS OPERATIVELY COUPLED TO SAID READOUT DEVICE FOR CONTROLLING THE OPERATION OF THE READOUT DEVICE IN ACCORDANCE WITH A PRESET SCHEDULE, SAID READOUT LOGICAL CIRCUIT MEANS INCLUDING DATA BLOCK EDGE RECOGNITION MEANS FOR IDENTIFYING THE BEGINNING EDGE OF A DATA BLOCK DURING READOUT.
Claim 2
Dependent Claim
136 words
IN A DIGITAL DATA INFORMATION STORAGE DEVICE THE COMBINATION OF A ROTATABLE DRUM HAVING AN IMPRESSIONABLE SOLID THERMOPLASTIC RECORDING MEDIUM SECURED TO THE SURFACE THEREOF, A READOUT DEVICE FOR INSPECTING DISCRETE AREAS OF THE THERMOPLASTIC RECORDING MEDIUM AND DERIVING AN OUTPUT ELECTRIC SIGNAL INDICATIVE OF THE INTELLIGENCE IMPRESSED ON THE THERMOSPLASIC RECORDING MEDIUM BY ELECTRON WRITING, AUTOMATIC POSITIONING MEANS FOR ACCURATELY POSITIONING SAID DRUM ROTATIONALLY AND LONGITUDINALLY IN ANY DESIRED LOCATION WITH RESPECT TO SAID READOUT DEVICE, POSITION CONTROL MEANS FOR ACCURATELY CONTROLLING THE OPERATION OF SAID POSITIONING MEANS, AND READOUT LOGICAL CIRCUIT MEANS OPERATIVELY COUPLED TO SAID READOUT DEVICE FOR CONTROLLING THE OPERATION OF THE READOUT DEVICE IN ACCORDANCE WITH A PRESET SCHEDULE, SAID READOUT LOGICAL CIRCUIT MEANS INCLUDING DATA BLOCK EDGE RECOGNITION MEANS FOR IDENTIFYING THE BEGINNING EDGE OF A DATA BLOCK DURING READOUT.
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |