US3082293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducing system
Assignee: 3M Co
•
Filing: 1959-12-21
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Granted: 1963-03-19
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Expires: 1979-12-21
Abstract
No abstract record available.
Inventors
- 👤 Wayne R Johnson
- 👤 Chester C Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:21
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/91; H04N5/92; H04N5/926
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
IN A MULTITRACK RECORDING AND REPRODUCING SYSTEM FOR TELEVISION SIGNALS WHICH PROVIDES FOR A PREDETERMINED MAXIMUM DISTORTION OF THE TELEVISION SIGNALS, MEANS FOR SUCCESSIVELY SAMPLING THE TELEVISION SIGNALS, MEANS COUPLED TO SAID SAMPLING MEANS FOR CONVERTING THE SUCCESSIVE SAMPLINGS TO PULSE CODE MODULATED SIGNALS, MEANS COUPLED TO SAID CONVERTING MEANS FOR COMBINING THE PULSES OF THE PULSE CODE MODULATED SIGNALS FOR EACH SAMPLING TO DERIVE A SMALLER NUMBER OF PULSES, MEANS COUPLED TO SAID COMBINING MEANS FOR RECORDING THE PULSES FROM SAID COMBINING MEANS ON SEVERAL TRACKS OF A MULTITRACK RECORDING MEDIUM, REPRODUCING MEANS COUPLED TO THE RECORDING MEDIUM FOR RECOVERING THE RECORDED MODULATED SIGNALS, AND DEMODULATING MEANS COUPLED TO SAID REPRODUCING MEANS FOR CONVERTING THE REPRODUCED MODULATED SIGNALS TO ANALOG SIGNALS.
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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |