US3358199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape handling systems utilizing a magnetically operated switch
Assignee: Navigation Computer Corp
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Filing: 1964-08-11
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Granted: 1967-12-12
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Expires: 1984-08-11
Abstract
No abstract record available.
Inventors
- 👤 Jr John Paul Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:15
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/20; G06; G06K; G06K13/00; G06K13/18; G06K13/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A TAPE FEEDING SYSTEM FOR DIGITAL RECORDER TAPE COMPRISING IN COMBINATION, A DRIVE MOTOR HAVING A WINDING AND A SHAFT, A TAPE REEL MOUNTED ON SAID SHAFT FOR ROTATION THEREBY, A BEARING SLEEVE MOUNTED TO PIVOT ABOUT SAID SHAFT, A MAGNETIC CARRIED BY SAID SLEEVE FOR MOVEMENT THEREWITH, A MAGNETICALLY OPERATED SWITCH POSITIONED ADJACENT THE PATH OF SAID MAGNET, A PAIR OF TRIGGERABLE SOLID STATE RECTIFIERS COUPLED TO SUPPLY CURRENT TO SAID MOTOR WINDING TO TWO POLARITIES AND HAVING TRIGGER ELECTRODES COUPLED TOGETHER BY SAID SWITCH, POWER MEANS CONNECTED TO SAID WINDING AND SAID RECTIFIERS TO PASS CURRENT THERETHROUGH WHEN SAID SWITCH IS CLOSED, WHEREBY THE MOTOR SAID SWITCH, AND MEANS RESPONSIVE TO FEEDING OF THE TAPE RUNS TO FEED A LOOP OF SAID TAPE WHEN THE MAGNET CLOSES LOOP TO PIVOT SAID MAGNET AWAY FROM SAID SWITCH TO THEREBY OPEN SAID SWITCH UNTIL THE LENGTH OF THE TAPE LOOP IS AGAIN DECREASED BY PULLING TAPE FROM SAID LOOP.
Claim 2
Dependent Claim
159 words
A TAPE FEEDING SYSTEM FOR DIGITAL RECORDER TAPE COMPRISING IN COMBINATION, A DRIVE MOTOR HAVING A WINDING AND A SHAFT, A TAPE REEL MOUNTED ON SAID SHAFT FOR ROTATION THEREBY, A BEARING SLEEVE MOUNTED TO PIVOT ABOUT SAID SHAFT, A MAGNETIC CARRIED BY SAID SLEEVE FOR MOVEMENT THEREWITH, A MAGNETICALLY OPERATED SWITCH POSITIONED ADJACENT THE PATH OF SAID MAGNET, A PAIR OF TRIGGERABLE SOLID STATE RECTIFIERS COUPLED TO SUPPLY CURRENT TO SAID MOTOR WINDING TO TWO POLARITIES AND HAVING TRIGGER ELECTRODES COUPLED TOGETHER BY SAID SWITCH, POWER MEANS CONNECTED TO SAID WINDING AND SAID RECTIFIERS TO PASS CURRENT THERETHROUGH WHEN SAID SWITCH IS CLOSED, WHEREBY THE MOTOR SAID SWITCH, AND MEANS RESPONSIVE TO FEEDING OF THE TAPE RUNS TO FEED A LOOP OF SAID TAPE WHEN THE MAGNET CLOSES LOOP TO PIVOT SAID MAGNET AWAY FROM SAID SWITCH TO THEREBY OPEN SAID SWITCH UNTIL THE LENGTH OF THE TAPE LOOP IS AGAIN DECREASED BY PULLING TAPE FROM SAID LOOP.
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |