JPS5765974A - Receiver for character multiplex broadcast - Google Patents
Receiver for character multiplex broadcastInfo
- Publication number
- JPS5765974A JPS5765974A JP14348880A JP14348880A JPS5765974A JP S5765974 A JPS5765974 A JP S5765974A JP 14348880 A JP14348880 A JP 14348880A JP 14348880 A JP14348880 A JP 14348880A JP S5765974 A JPS5765974 A JP S5765974A
- Authority
- JP
- Japan
- Prior art keywords
- conceal
- display
- circuit
- memory
- 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.)
- Pending
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
- H04N7/087—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 vertical blanking interval only
- H04N7/088—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 vertical blanking interval only the inserted signal being digital
- H04N7/0884—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 vertical blanking interval only the inserted signal being digital for the transmission of additional display-information, e.g. menu for programme or channel selection
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Systems (AREA)
Abstract
PURPOSE:To facilitate judging a conceal display, by detecting and storing a symbolic pattern indicating the conceal display in the page control bucket of a television signal and by displaying it as a specific pattern by a display means. CONSTITUTION:A color code indicating a conceal display in the page in a page control bucket is detected by a signal processing circuit 3 and is stored in conceal memory 8. A discriminating circuit 9 discriminates whether the color code read out from a color memory 6 coincides with the color code in the conceal memory 8 or not by comparison; and if they coincide with each other, a high-level signal is outputted. Next, an address signal is sent from an address generating circuit 10 synchronously with a display control circuit 4 to read the memory of a source character generating circuit 11, and a specific symboillic pattern is displayed on a conceal display part through a switching circuit 12. In this case, the switching circuit 12 outputs the output signal of the source character generating circuit 11 when the output of the discriminating circuit 9 is high-level. Thus, the audience judges the conceal display easily.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14348880A JPS5765974A (en) | 1980-10-13 | 1980-10-13 | Receiver for character multiplex broadcast |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14348880A JPS5765974A (en) | 1980-10-13 | 1980-10-13 | Receiver for character multiplex broadcast |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5765974A true JPS5765974A (en) | 1982-04-21 |
Family
ID=15339865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14348880A Pending JPS5765974A (en) | 1980-10-13 | 1980-10-13 | Receiver for character multiplex broadcast |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5765974A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6499103B1 (en) | 1997-11-21 | 2002-12-24 | Nds Limited | Symbol-display system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5026431A (en) * | 1973-07-06 | 1975-03-19 |
-
1980
- 1980-10-13 JP JP14348880A patent/JPS5765974A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5026431A (en) * | 1973-07-06 | 1975-03-19 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6499103B1 (en) | 1997-11-21 | 2002-12-24 | Nds Limited | Symbol-display system |
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