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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
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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 10:30
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

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