US3324237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television and like data transmission systems
Assignee: National Research Development Corp UK
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Filing: 1963-08-26
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Granted: 1967-06-06
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Expires: 1983-08-26
Abstract
No abstract record available.
Inventors
- 👤 Cherry Edward Colin
- 👤 Pearson Donald Edwin
- 👤 Barton Marcus Paul
- 👤 Kubba Muthanna Hussain
- 👤 Voelcker Herbert Bernhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:38
CPC Classifications
H; H04; H04N; H04N19/00; H04N19/50; H04N19/59
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
213 words
A SIGNAL TRANSMISSION SYSTEM HAVING A TRANSMISSION CHANNEL, A SOURCE OF AN INFORMATION SIGNAL, A DETAIL CONTENT DETECTOR UNIT FOR ESTIMATING THE DETAIL CONTENT OF PICTURE SAMPLES IN DIGITAL FORM CONTINUOUSLY AND FOR PROVIDING A CORRESPONDING DETAIL LEVEL SIGNAL, AN ANALOGUETO-DIGITAL CONVERTER SUPPLIED WITH THE INFORMATION SIGNAL TO PROVIDE AN EVALUATION OF THE INFORMATION SIGNAL AMPLITUDE IN DIGITAL FORM AT DISCRETE SAMPLING INSTANTS, THE INTERVAL BETWEEN ANY TWO CONSECUTIVE SAMPLING INSTANTS BEING CHOSEN AS THE SHORTEST ONE FROM A PLURALITY OF PREDETERMINED SAMPLING INTERVALS, A FIRST MULTI-STAGE STORE FOR STORING INFORMATION ABOUT THE SAMPLES OF THE INFORMATION SIGNAL AMPLITUDE, MEANS FOR SUPPLYING TO THE FIRST STORE SELECTED DIGITAL INFORMATION SIGNAL SAMPLES AT ANY ONE OF SAID PLURALITY OF PREDETERMINED SAMPLE INTERVALS, THE SAMPLE INTERVALS BETWEEN INFORMATION SAMPLES SUPPLIED TO THE FIRST STORE DEFINING A PLURALITY OF PREDETERMINED SAMPLE SUPPLY RATES, THE CHOICE OF SAMPLE SUPPLY RATE BEING DETERMINED BY THE DETAIL LEVEL SIGNAL MEANS FOR EXTRACTING FROM THE FIRST STORE SAID INFORMATION ABOUT SAID SAMPLES AT A FIRST EXTRACTION RATE, MEANS FOR SUPPLYING SAID INFORMATION ABOUT SAID SAMPLES, EXTRACTED FROM THE FIRST STORE, TO SAID TRANSMISSION CHANNEL, A SECOND MULTI-STAGE STORE FOR STORING INFORMATION ABOUT THE SAMPLE SUPPLY RATE DEFINING THE INTERVALS BETWEEN SUCCESSIVE SAMPLES OF THE INFORMATION SIGNAL, MEANS FOR SUPPLYING IN-
Claim 2
Dependent Claim
213 words
A SIGNAL TRANSMISSION SYSTEM HAVING A TRANSMISSION CHANNEL, A SOURCE OF AN INFORMATION SIGNAL, A DETAIL CONTENT DETECTOR UNIT FOR ESTIMATING THE DETAIL CONTENT OF PICTURE SAMPLES IN DIGITAL FORM CONTINUOUSLY AND FOR PROVIDING A CORRESPONDING DETAIL LEVEL SIGNAL, AN ANALOGUETO-DIGITAL CONVERTER SUPPLIED WITH THE INFORMATION SIGNAL TO PROVIDE AN EVALUATION OF THE INFORMATION SIGNAL AMPLITUDE IN DIGITAL FORM AT DISCRETE SAMPLING INSTANTS, THE INTERVAL BETWEEN ANY TWO CONSECUTIVE SAMPLING INSTANTS BEING CHOSEN AS THE SHORTEST ONE FROM A PLURALITY OF PREDETERMINED SAMPLING INTERVALS, A FIRST MULTI-STAGE STORE FOR STORING INFORMATION ABOUT THE SAMPLES OF THE INFORMATION SIGNAL AMPLITUDE, MEANS FOR SUPPLYING TO THE FIRST STORE SELECTED DIGITAL INFORMATION SIGNAL SAMPLES AT ANY ONE OF SAID PLURALITY OF PREDETERMINED SAMPLE INTERVALS, THE SAMPLE INTERVALS BETWEEN INFORMATION SAMPLES SUPPLIED TO THE FIRST STORE DEFINING A PLURALITY OF PREDETERMINED SAMPLE SUPPLY RATES, THE CHOICE OF SAMPLE SUPPLY RATE BEING DETERMINED BY THE DETAIL LEVEL SIGNAL MEANS FOR EXTRACTING FROM THE FIRST STORE SAID INFORMATION ABOUT SAID SAMPLES AT A FIRST EXTRACTION RATE, MEANS FOR SUPPLYING SAID INFORMATION ABOUT SAID SAMPLES, EXTRACTED FROM THE FIRST STORE, TO SAID TRANSMISSION CHANNEL, A SECOND MULTI-STAGE STORE FOR STORING INFORMATION ABOUT THE SAMPLE SUPPLY RATE DEFINING THE INTERVALS BETWEEN SUCCESSIVE SAMPLES OF THE INFORMATION SIGNAL, MEANS FOR SUPPLYING IN-
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |