JPS57201387A - Character pattern information receiver - Google Patents
Character pattern information receiverInfo
- Publication number
- JPS57201387A JPS57201387A JP8608381A JP8608381A JPS57201387A JP S57201387 A JPS57201387 A JP S57201387A JP 8608381 A JP8608381 A JP 8608381A JP 8608381 A JP8608381 A JP 8608381A JP S57201387 A JPS57201387 A JP S57201387A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- horizontal
- signal
- character pattern
- memory
- 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
- H04N7/025—Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
- H04N7/0255—Display systems therefor
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Systems (AREA)
Abstract
PURPOSE:To generate control signals for reception of a character pattern multiplex signal and for a memory, and to prevent the occurrence of malfunction, by providing the 2nd AFC and oscillating circuit which generates an output having a constant phase relation with a horizontal synchronizing signal invariably in addition to a circuit for horizontal deflection. CONSTITUTION:In addition to a horizontal AFC circuit 6A for horizontal deflection and a horizontal oscillating circuit 60, the 2nd horizontal AFC circuit 15A and horizontal oscillating circuit 150 are provided on the output side of the synchronous separating circuit 5 of a color TV receiver. Those circuits 15A and 150 apply a write clock generating circuit 9 with a pulse signal which has a constant phase relation with a horizontal synchronizing signal. Further, a binary signal from a slicing circuit 8 is applied to a memory control circuit 10, and a clock for smapling a character pattern information signal received from the circuit 9 is applied to the circuit. Then, the circuit 10 generates a control signal for character pattern reception and for the writing of a memory 12 and on the basis of the clock of a read clock generating circuit 11, a readout control signal for the memory 12 is generated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8608381A JPS57201387A (en) | 1981-06-03 | 1981-06-03 | Character pattern information receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8608381A JPS57201387A (en) | 1981-06-03 | 1981-06-03 | Character pattern information receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57201387A true JPS57201387A (en) | 1982-12-09 |
JPS6257150B2 JPS6257150B2 (en) | 1987-11-30 |
Family
ID=13876805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8608381A Granted JPS57201387A (en) | 1981-06-03 | 1981-06-03 | Character pattern information receiver |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57201387A (en) |
-
1981
- 1981-06-03 JP JP8608381A patent/JPS57201387A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6257150B2 (en) | 1987-11-30 |
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