US3259690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coding system for television signals
Assignee: KDDI Corp
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Filing: 1962-07-11
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Granted: 1966-07-05
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Expires: 1982-07-11
Abstract
No abstract record available.
Inventors
- 👤 Oshima Shintaro
- 👤 Enomoto Hajime
- 👤 Amano Kitsutaro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:44
CPC Classifications
H; H04; H04B; H04B14/00; H04B14/02; H04B14/04; H04B14/046; H04N; H04N19/00; H04N19/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A CODING SYSTEM FOR TELEVISION TRANSMISSION COMPRISING, A COMBINER MEANS FOR RECEIVING A VIDEO SIGNAL HAVING A GIVEN HORIZONTAL SCANNING-LINE FREQUENCY AND FOR RECEIVING AT LEAST ONE HIGH FREQUENCY SIGNAL AND COMBINING IT WITH SAID VIDEO SIGNAL TO DELIVER A COMBINED SIGNAL OUTPUT, A HIGH FREQUENCY SIGNAL SOURCE FOR APPLYING TO SAID COMBINER MEANS SAID HIGH FREQUENCY SIGNAL WITH SAID HIGH FREQUENCY SIGNAL HAVING FREQUENCY ACCURATELY AN ODD MULTIPLE OF ONE HALF OF SAID GIVEN HORIZONTAL SCANNINGLINE FREQUENCY AND MEANS CONNECTED TO RECEIVE SAID SIGNAL OUTPUT AND CONVERT IT TO A PULSE-CODE-MODULATED SIGNAL.
Claim 2
Dependent Claim
93 words
A CODING SYSTEM FOR TELEVISION TRANSMISSION COMPRISING, A COMBINER MEANS FOR RECEIVING A VIDEO SIGNAL HAVING A GIVEN HORIZONTAL SCANNING-LINE FREQUENCY AND FOR RECEIVING AT LEAST ONE HIGH FREQUENCY SIGNAL AND COMBINING IT WITH SAID VIDEO SIGNAL TO DELIVER A COMBINED SIGNAL OUTPUT, A HIGH FREQUENCY SIGNAL SOURCE FOR APPLYING TO SAID COMBINER MEANS SAID HIGH FREQUENCY SIGNAL WITH SAID HIGH FREQUENCY SIGNAL HAVING FREQUENCY ACCURATELY AN ODD MULTIPLE OF ONE HALF OF SAID GIVEN HORIZONTAL SCANNINGLINE FREQUENCY AND MEANS CONNECTED TO RECEIVE SAID SIGNAL OUTPUT AND CONVERT IT TO A PULSE-CODE-MODULATED SIGNAL.
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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |