FR2272559A1 - TV system sound transmission - sound transmitted by PCM in blanking intervals of video signal - Google Patents
TV system sound transmission - sound transmitted by PCM in blanking intervals of video signalInfo
- Publication number
- FR2272559A1 FR2272559A1 FR7515994A FR7515994A FR2272559A1 FR 2272559 A1 FR2272559 A1 FR 2272559A1 FR 7515994 A FR7515994 A FR 7515994A FR 7515994 A FR7515994 A FR 7515994A FR 2272559 A1 FR2272559 A1 FR 2272559A1
- Authority
- FR
- France
- Prior art keywords
- transmitted
- pcm
- sound
- video signal
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/084—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the horizontal blanking interval only
- H04N7/085—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the horizontal blanking interval only the inserted signal being digital
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Systems (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS368974A CS171516B1 (fr) | 1974-05-23 | 1974-05-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2272559A1 true FR2272559A1 (en) | 1975-12-19 |
FR2272559B3 FR2272559B3 (fr) | 1978-12-01 |
Family
ID=5377677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7515994A Granted FR2272559A1 (en) | 1974-05-23 | 1975-05-22 | TV system sound transmission - sound transmitted by PCM in blanking intervals of video signal |
Country Status (5)
Country | Link |
---|---|
CS (1) | CS171516B1 (fr) |
DD (1) | DD118495A1 (fr) |
FR (1) | FR2272559A1 (fr) |
HU (1) | HU175310B (fr) |
SU (1) | SU645289A1 (fr) |
-
1974
- 1974-05-23 CS CS368974A patent/CS171516B1/cs unknown
-
1975
- 1975-05-19 HU HU75TE825A patent/HU175310B/hu unknown
- 1975-05-21 DD DD18616075A patent/DD118495A1/xx unknown
- 1975-05-22 FR FR7515994A patent/FR2272559A1/fr active Granted
- 1975-05-22 SU SU752142104A patent/SU645289A1/ru active
Also Published As
Publication number | Publication date |
---|---|
CS171516B1 (fr) | 1976-10-29 |
HU175310B (hu) | 1980-06-28 |
DD118495A1 (fr) | 1976-03-05 |
SU645289A1 (ru) | 1979-01-30 |
DE2522947B2 (de) | 1977-02-17 |
DE2522947A1 (de) | 1975-11-27 |
FR2272559B3 (fr) | 1978-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |