ES354219A1 - Un sistema de transmision para la transmision de informa- cion en un canal de audio de un sistema convencional de radiofusion de television. - Google Patents
Un sistema de transmision para la transmision de informa- cion en un canal de audio de un sistema convencional de radiofusion de television.Info
- Publication number
- ES354219A1 ES354219A1 ES354219A ES354219A ES354219A1 ES 354219 A1 ES354219 A1 ES 354219A1 ES 354219 A ES354219 A ES 354219A ES 354219 A ES354219 A ES 354219A ES 354219 A1 ES354219 A1 ES 354219A1
- Authority
- ES
- Spain
- Prior art keywords
- signal
- carrier
- sub
- transmission
- frequency
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
- H04H20/30—Arrangements for simultaneous broadcast of plural pieces of information by a single channel
- H04H20/31—Arrangements for simultaneous broadcast of plural pieces of information by a single channel using in-band signals, e.g. subsonic or cue signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
-
- 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
- H04N7/081—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 the additional information signals being transmitted by means of a subcarrier
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Television Systems (AREA)
- Radio Relay Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6707233A NL6707233A (sv) | 1967-05-25 | 1967-05-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES354219A1 true ES354219A1 (es) | 1969-11-01 |
Family
ID=19800214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES354219A Expired ES354219A1 (es) | 1967-05-25 | 1968-05-22 | Un sistema de transmision para la transmision de informa- cion en un canal de audio de un sistema convencional de radiofusion de television. |
Country Status (8)
Country | Link |
---|---|
AT (1) | AT286393B (sv) |
BE (1) | BE715665A (sv) |
CH (1) | CH491566A (sv) |
DE (1) | DE1762291A1 (sv) |
ES (1) | ES354219A1 (sv) |
FR (1) | FR1566974A (sv) |
GB (1) | GB1229884A (sv) |
NL (1) | NL6707233A (sv) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4025851A (en) * | 1975-11-28 | 1977-05-24 | A.C. Nielsen Company | Automatic monitor for programs broadcast |
FR2617358A1 (fr) * | 1987-06-29 | 1988-12-30 | Thierry Fayard | Systeme de communication utilisant les ondes radio a affichage sur televiseur |
-
1967
- 1967-05-25 NL NL6707233A patent/NL6707233A/xx unknown
-
1968
- 1968-05-18 DE DE19681762291 patent/DE1762291A1/de active Pending
- 1968-05-22 ES ES354219A patent/ES354219A1/es not_active Expired
- 1968-05-22 AT AT491768A patent/AT286393B/de not_active IP Right Cessation
- 1968-05-22 GB GB1229884D patent/GB1229884A/en not_active Expired
- 1968-05-22 CH CH757768A patent/CH491566A/de not_active IP Right Cessation
- 1968-05-24 BE BE715665D patent/BE715665A/xx unknown
- 1968-05-27 FR FR1566974D patent/FR1566974A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1566974A (sv) | 1969-05-09 |
CH491566A (de) | 1970-05-31 |
AT286393B (de) | 1970-12-10 |
GB1229884A (sv) | 1971-04-28 |
BE715665A (sv) | 1968-11-25 |
DE1762291A1 (de) | 1970-04-23 |
NL6707233A (sv) | 1968-11-26 |
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