US3085230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for verifying location and recycling to correct errors in magnetic data storage devices
Assignee: International Business Machines Corp
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Filing: 1958-11-14
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Granted: 1963-04-09
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Expires: 1978-11-14
Abstract
No abstract record available.
Inventors
- 👤 Donald P Shoultes
- 👤 Royse David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:51
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/16; G06F11/1608; G06F11/1612
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN COMBINATION, A STORAGE MEDIUM HAVING A PLURALITY OF DATA STORING TRACKS EACH WITH INDIVIDUAL ADDRESS DATA THEREON, RECORDING MEANS MOVABLE TO DIFFERENT ONES OF THE TRACKS, MEANS FOR EFFECTING RELATIVE MOVEMENT OF THE MEDIUM AND RECORDING MEANS IN A DIRECTION ALONG THE TRACKS, MEANS FOR EFFECTING RELATIVE MOVEMENT OF THE RECORDING MEANS AND MEDIUM TRANSVERSELY OF THE TRACKS TO LOCATE THE RECORDING MEANS AT A PARTICULAR ONE OF THE DIFFERENT TRACKS IN RESPONSE TO PARTICULAR ADDRESS INFORMATION, MEANS FOR COMPARING THE ADDRESS DATA OF A SELECTED TRACK WITH SAID ADDRESS INFORMATION, MEANS OPERATED BY AN ERROR SIGNAL FROM SAID COMPARING MEANS TO EFFECT OPERATION OF THE TRANSVERSE MOVING MEANS TO LOCATE THE RECORDING MEANS AT A DIFFERENT TRACK, AND MEANS RESPONSIVE TO LOCATION OF
Claim 2
Dependent Claim
125 words
IN COMBINATION, A STORAGE MEDIUM HAVING A PLURALITY OF DATA STORING TRACKS EACH WITH INDIVIDUAL ADDRESS DATA THEREON, RECORDING MEANS MOVABLE TO DIFFERENT ONES OF THE TRACKS, MEANS FOR EFFECTING RELATIVE MOVEMENT OF THE MEDIUM AND RECORDING MEANS IN A DIRECTION ALONG THE TRACKS, MEANS FOR EFFECTING RELATIVE MOVEMENT OF THE RECORDING MEANS AND MEDIUM TRANSVERSELY OF THE TRACKS TO LOCATE THE RECORDING MEANS AT A PARTICULAR ONE OF THE DIFFERENT TRACKS IN RESPONSE TO PARTICULAR ADDRESS INFORMATION, MEANS FOR COMPARING THE ADDRESS DATA OF A SELECTED TRACK WITH SAID ADDRESS INFORMATION, MEANS OPERATED BY AN ERROR SIGNAL FROM SAID COMPARING MEANS TO EFFECT OPERATION OF THE TRANSVERSE MOVING MEANS TO LOCATE THE RECORDING MEANS AT A DIFFERENT TRACK, AND MEANS RESPONSIVE TO LOCATION OF
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |