US3332084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incrementally driven recording apparatus
Assignee: Cook Electric Co
•
Filing: 1963-01-07
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Granted: 1967-07-18
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Expires: 1983-01-07
Abstract
No abstract record available.
Inventors
- 👤 Robert R Wahrer
- 👤 Donald S Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:03
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A MAGNETIC TAPE RECORDER, THE COMBINATION COMPRISING A HEAD FOR RECORDING DIGITAL SIGNALS ON MAGNETIC TAPE, A CAPSTAN FOR ADVANCING THE MAGNETIC TAPE PAST SAID HEAD, MEANS FOR SUPPLYING TORQUE TO SAID CAPSTAN AND TENDING TO ROTATE SAID CAPSTAN FOR ADVANCING THE TAPE, AN ELECTRICALLY OPERABLE BRAKE FOR STOPPING SAID CAPSTAN, SIGNAL-RESPONSIVE MEANS FOR RELEASING SAID BRAKE AND THEREBY INITIATING ROTATION OF SAID CAPSTAN, A DISK COUPLED TO AND ROTATABLE WITH SAID CAPSTAN, SAID DISK HAVING A PLURALITY OF SPACED OPENINGS THEREIN, PHOTOELECTRIC MEANS ADJACENT SAID DISK FOR SENSING THE PASSAGE OF SAID OPENINGS, AND MEANS OPERABLE BY SAID PHOTOELECTRIC MEANS FOR RESETTING SAID BRAKE IN RESPONSE TO THE PASSAGE OF EACH OPENING SO AS TO STOP SAID CAPSTAN AFTER ADVANCING THROUGH A PREDETERMINED INCREMENT.
Claim 2
Dependent Claim
126 words
IN A MAGNETIC TAPE RECORDER, THE COMBINATION COMPRISING A HEAD FOR RECORDING DIGITAL SIGNALS ON MAGNETIC TAPE, A CAPSTAN FOR ADVANCING THE MAGNETIC TAPE PAST SAID HEAD, MEANS FOR SUPPLYING TORQUE TO SAID CAPSTAN AND TENDING TO ROTATE SAID CAPSTAN FOR ADVANCING THE TAPE, AN ELECTRICALLY OPERABLE BRAKE FOR STOPPING SAID CAPSTAN, SIGNAL-RESPONSIVE MEANS FOR RELEASING SAID BRAKE AND THEREBY INITIATING ROTATION OF SAID CAPSTAN, A DISK COUPLED TO AND ROTATABLE WITH SAID CAPSTAN, SAID DISK HAVING A PLURALITY OF SPACED OPENINGS THEREIN, PHOTOELECTRIC MEANS ADJACENT SAID DISK FOR SENSING THE PASSAGE OF SAID OPENINGS, AND MEANS OPERABLE BY SAID PHOTOELECTRIC MEANS FOR RESETTING SAID BRAKE IN RESPONSE TO THE PASSAGE OF EACH OPENING SO AS TO STOP SAID CAPSTAN AFTER ADVANCING THROUGH A PREDETERMINED INCREMENT.
References Cited (Backward Citations)
US3094261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |