US3562727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for positioning magnetic record member
Assignee: General Electric Co
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Filing: 1969-09-25
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Granted: 1971-02-09
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Expires: 1989-09-25
Abstract
Abstract A PLANAR MAGNETIC MEDIUM IS INSERTED BETWEEN TRANSDUCERS AND A BASE PLATE WITH THE RECORDING SURFACE AT A FIXED SPACING FROM THE TRANSDUCERS. A PAIR OF ORTHOGONALLY DISPOSED EDGE GUIDES ACT TO APPROXIMATELY POSITION THE MEDIUM AS IT IS INSERTED. A SOLENOID ACTUATED LOCATING PIN IS MOUNTED BEHIND THE BASE PLATE, CENTERED ON THE AXIS OF ROTATION OF THE TRANSDUCERS. THE SOLENOID IS ACTUATED SO AS TO THRUST THE PIN THROUGH THE BASE PLATE AND THROUGH A LOCATING HOLE THAT IS PROVIDED IN THE RECORD MEDIUM.
Inventors
- 👤 Harold W Abbott
- 👤 William R Chynoweth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:41
CPC Classifications
G; G06; G06K; G06K1/00; G06K1/12
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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |