US3099708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic tape reproducing system
Assignee: Ampex Corp
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Filing: 1960-08-22
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Granted: 1963-07-30
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Expires: 1980-08-22
Abstract
No abstract record available.
Inventors
- 👤 Stewart L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:10
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/02; G11B15/12; G11B15/14; H; H04; H04N; H04N5/00; H04N5/76; H04N5/91; H04N5/93; H04N5/931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
AN ELECTRONIC INFROMATION PROCESSING SYSTEM FOR REPRODUCING INFORMATION RECORDED TRANSVERSELY ON MAGNETIC TAPE AND INCLUDING SPACED MARKER PULSES COMPRISING A NUMBER OF TRANSDUCERS FOR SUCCESSIVELY SCANNING THE RECORDED INFORMATION ON THE TAPE, MARKER PULSE SENSING MEANS RESPONSIVE TO MARKER PULSES FROM THE TRANSDUCERS, SWITCHING MEANS COUPLED TO THE TRANSDUCERS AND RESPONSIVE TO THE SENSING MEANS FOR DERIVING INFORMATION SIGNALS FROM THE TRANSDUCERS SEQUENTIALLY IN ACCORDANCE WITH THE MARKER PULSES, MEANS FOR APPLYING A PREDETERMINED DELAY TO SUCH DERIVED INFORMATION SIGNALS COUPLED TO SAID SWITCHING MEANS, DEMODULATING MEANS COUPLED TO THE SWITCHING MEANS, AND OUTPUT CLAMPING MEANS COUPLED TO THE DEMODULATOR MEANS AND TO THE SENSING MEANS FOR PROVIDING
Claim 2
Dependent Claim
108 words
AN ELECTRONIC INFROMATION PROCESSING SYSTEM FOR REPRODUCING INFORMATION RECORDED TRANSVERSELY ON MAGNETIC TAPE AND INCLUDING SPACED MARKER PULSES COMPRISING A NUMBER OF TRANSDUCERS FOR SUCCESSIVELY SCANNING THE RECORDED INFORMATION ON THE TAPE, MARKER PULSE SENSING MEANS RESPONSIVE TO MARKER PULSES FROM THE TRANSDUCERS, SWITCHING MEANS COUPLED TO THE TRANSDUCERS AND RESPONSIVE TO THE SENSING MEANS FOR DERIVING INFORMATION SIGNALS FROM THE TRANSDUCERS SEQUENTIALLY IN ACCORDANCE WITH THE MARKER PULSES, MEANS FOR APPLYING A PREDETERMINED DELAY TO SUCH DERIVED INFORMATION SIGNALS COUPLED TO SAID SWITCHING MEANS, DEMODULATING MEANS COUPLED TO THE SWITCHING MEANS, AND OUTPUT CLAMPING MEANS COUPLED TO THE DEMODULATOR MEANS AND TO THE SENSING MEANS FOR PROVIDING
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |