JPH0443084U - - Google Patents
Info
- Publication number
- JPH0443084U JPH0443084U JP8423190U JP8423190U JPH0443084U JP H0443084 U JPH0443084 U JP H0443084U JP 8423190 U JP8423190 U JP 8423190U JP 8423190 U JP8423190 U JP 8423190U JP H0443084 U JPH0443084 U JP H0443084U
- Authority
- JP
- Japan
- Prior art keywords
- video processing
- processing circuit
- control
- color
- microcomputer
- 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
- 238000000926 separation method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Color Television Systems (AREA)
Description
第１図は本考案の実施例における多方式テレビ
ジヨン受像機の色信号分離フイルタ切替え回路の
回路構成図、第２図は従来の実施例における多方
式テレビジヨン受像機の色信号分離フイルタ切替
え回路の回路構成図である。
１１……３．５８ＭHzバンドパスフイルタ、１
２……４．４３ＭHzバンドパスフイルタ、１３…
…色信号切替えスイツチ、１４……映像処理回路
、１５……マイクロコンピユータ、１６……シス
テム制御信号切替えスイツチ。
FIG. 1 is a circuit configuration diagram of a color signal separation filter switching circuit of a multi-system television receiver according to an embodiment of the present invention, and FIG. 2 is a circuit diagram of a color signal separation filter switching circuit of a multi-system television receiver according to a conventional embodiment. FIG. 11...3.58MHz band pass filter, 1
2...4.43MHz band pass filter, 13...
...Color signal changeover switch, 14...Video processing circuit, 15...Microcomputer, 16...System control signal changeover switch.
Claims (1)
ビジヨン受像機の色信号分離フイルタ切替え回路
において、カラーシステムの判別を行いそれぞれ
の方式に応じた色復調を行う映像処理回路と該映
像処理回路の制御を行うマイクロコンピユータ、
及び該映像処理回路への入力色信号の切替えスイ
ツチを備え、該映像処理回路の制御と、入力色信
号の切替えを行う該切替えスイツチの制御を該マ
イクロコンピユータからの同一制御信号によつて
制御する多方式テレビジヨン受像機。 In the color signal separation filter switching circuit of a television receiver that supports multiple systems such as PAL and NTSC systems, the video processing circuit that discriminates the color system and performs color demodulation according to each system, and the control of the video processing circuit. microcomputer,
and a changeover switch for input color signals to the video processing circuit, and control of the video processing circuit and control of the changeover switch for switching input color signals are controlled by the same control signal from the microcomputer. Multi-system television receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8423190U JPH0443084U (en) | 1990-08-08 | 1990-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8423190U JPH0443084U (en) | 1990-08-08 | 1990-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0443084U true JPH0443084U (en) | 1992-04-13 |
Family
ID=31632545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8423190U Pending JPH0443084U (en) | 1990-08-08 | 1990-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0443084U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5930388A (en) * | 1982-08-11 | 1984-02-17 | Matsushita Electric Ind Co Ltd | Multi-purpose color television receiver |
-
1990
- 1990-08-08 JP JP8423190U patent/JPH0443084U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5930388A (en) * | 1982-08-11 | 1984-02-17 | Matsushita Electric Ind Co Ltd | Multi-purpose color television receiver |
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