JPS63129389U - - Google Patents
Info
- Publication number
- JPS63129389U JPS63129389U JP2014887U JP2014887U JPS63129389U JP S63129389 U JPS63129389 U JP S63129389U JP 2014887 U JP2014887 U JP 2014887U JP 2014887 U JP2014887 U JP 2014887U JP S63129389 U JPS63129389 U JP S63129389U
- Authority
- JP
- Japan
- Prior art keywords
- output
- conversion circuit
- circuit
- switch circuit
- 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.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000011159 matrix material Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Color Television Systems (AREA)
Description
図面は、本考案による文字多重放送用テレビ受
像機の一実施例を示すブロツク図である。
１……テレビチユーナー、２……切換スイツチ
回路、３……マトリクス回路、４……Ａ／Ｄ変換
回路、５……メモリー、７……Ｄ／Ａ変換回路、
８……Ｄ／Ａ変換回路、９……Ｄ／Ａ変換回路。
The drawing is a block diagram showing an embodiment of a teletext television receiver according to the present invention. 1... Television tuner, 2... Changeover switch circuit, 3... Matrix circuit, 4... A/D conversion circuit, 5... Memory, 7... D/A conversion circuit,
8...D/A conversion circuit, 9...D/A conversion circuit.
Claims (1)
の原色信号または色差信号とを相互に切換える切
換スイツチ回路と、該切換スイツチ回路の一方の
出力をＡ／Ｄ変換するＡ／Ｄ変換回路と、該Ａ／
Ｄ変換回路の出力を間引いて記憶するメモリーと
、該メモリーの出力をＤ／Ａ変換するＤ／Ａ変換
回路と、前記切換スイツチ回路の他方の出力と前
記Ｄ／Ａ変換回路の出力とを合成するマトリクス
回路とを有する文字多重放送用テレビ受像機。 a changeover switch circuit that mutually switches the primary color signal or color difference signal of the video screen and the primary color signal or color difference signal of the character screen; an A/D conversion circuit that converts one output of the changeover switch circuit from analog to digital; /
A memory that thins out and stores the output of the D conversion circuit, a D/A conversion circuit that converts the output of the memory into D/A, and the output of the other switch circuit and the output of the D/A conversion circuit are combined. A television receiver for teletext broadcasting, which has a matrix circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014887U JPS63129389U (en) | 1987-02-14 | 1987-02-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014887U JPS63129389U (en) | 1987-02-14 | 1987-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63129389U true JPS63129389U (en) | 1988-08-24 |
Family
ID=30815389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014887U Pending JPS63129389U (en) | 1987-02-14 | 1987-02-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63129389U (en) |
-
1987
- 1987-02-14 JP JP2014887U patent/JPS63129389U/ja active Pending
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