JPH0412779U - - Google Patents
Info
- Publication number
- JPH0412779U JPH0412779U JP1990054014U JP5401490U JPH0412779U JP H0412779 U JPH0412779 U JP H0412779U JP 1990054014 U JP1990054014 U JP 1990054014U JP 5401490 U JP5401490 U JP 5401490U JP H0412779 U JPH0412779 U JP H0412779U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- signal
- timing generator
- muse
- 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 5
- 229940028444 muse Drugs 0.000 claims description 5
- GMVPRGQOIOIIMI-DWKJAMRDSA-N prostaglandin E1 Chemical compound CCCCC[C@H](O)\C=C\[C@H]1[C@H](O)CC(=O)[C@@H]1CCCCCCC(O)=O GMVPRGQOIOIIMI-DWKJAMRDSA-N 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Transforming Electric Information Into Light Information (AREA)
- Television Systems (AREA)
- Processing Of Color Television Signals (AREA)
- Structure Of Receivers (AREA)
- Color Television Systems (AREA)
Description
第１図は本考案の一実施例を示すＭＵＳＥダウ
ンコンバータの画像処理回路のブロツク図、第２
図は同第１図のアスペクト比変換垂直フイルタ部
の色信号挿入処理ブロツク図である。
２はデイエンフアシス回路、３は時間軸変換回
路、４はタイミング発生器、５はＰＬＬ回路、６
は内挿及び色信号の時間伸長等の映像信号処理回
路、７はアスペクト比等変換の垂直フイルタ部、
８は逆マトリクス回路、１３は色調設定のスイツ
チ回路、１４は色信号の選択挿入処理回路、Ａは
ＭＵＳＥベースバンド信号である。
Fig. 1 is a block diagram of an image processing circuit of a MUSE down converter showing one embodiment of the present invention;
This figure is a block diagram of the color signal insertion process of the aspect ratio converting vertical filter section of FIG. 1. 2 is a de-emphasis circuit, 3 is a time base conversion circuit, 4 is a timing generator, 5 is a PLL circuit, 6
7 is a video signal processing circuit for interpolation and time expansion of color signals; 7 is a vertical filter unit for converting aspect ratios;
8 is an inverse matrix circuit, 13 is a color tone setting switch circuit, 14 is a color signal selection/insertion processing circuit, and A is a MUSE baseband signal.
Claims (1)
無画像部に色信号等を挿入し、且つ、色調可変と
することを特徴とするＭＵＳＥダウンコンバータ
。 (2) ＭＵＳＥベースバンド信号をＡ／Ｄ変換し
、同変換出力をデイエンフアシス回路とタイミン
グ発生器とＰＬＬ回路とに接続し、同ＰＬＬ回路
出力の一方を同タイミング発生器に接続し、同タ
イミング発生器出力の分岐した一方と前記デイエ
ンフアシス回路出力とを時間軸変換回路に接続し
、同時間軸変換回路出力と前記ＰＬＬ回路出力の
他方とを映像信号処理回路に接続し、同映像信号
処理回路出力の輝度信号Ｙ、色差信号Ｒ−Ｙ，Ｂ
−Ｙと前記タイミング発生器出力の分岐した他方
とをアスペクト比変換処理をする垂直フイルタ部
に接続し、同垂直フイルタ部出力のＹ，Ｒ−Ｙ，
Ｂ−Ｙ信号を逆マトリクス回路でＲ，Ｇ，Ｂ信号
に変換し、同Ｒ，Ｇ，Ｂ信号をＤ／Ａ変換してな
る請求項(1)記載のＭＵＳＥダウンコンバータ。[Claims for Utility Model Registration] (1) A MUSE down converter characterized by inserting a color signal, etc. into the non-image area at the top and bottom of a CRT screen by converting the aspect ratio, and making the color tone variable. (2) A/D convert the MUSE baseband signal, connect the conversion output to the de-emphasis circuit, timing generator, and PLL circuit, connect one of the outputs of the PLL circuit to the timing generator, and generate the same timing. One of the branched outputs of the de-emphasis circuit and the output of the de-emphasis circuit are connected to a time axis conversion circuit, and the output of the same time axis conversion circuit and the other of the output of the PLL circuit are connected to a video signal processing circuit, and the output of the same video signal processing circuit is connected. Luminance signal Y, color difference signal RY, B
-Y and the other branched output of the timing generator are connected to a vertical filter section that performs aspect ratio conversion processing, and Y, R-Y of the output of the vertical filter section,
The MUSE down converter according to claim 1, wherein the BY signal is converted into R, G, and B signals by an inverse matrix circuit, and the R, G, and B signals are D/A converted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990054014U JPH0412779U (en) | 1990-05-23 | 1990-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990054014U JPH0412779U (en) | 1990-05-23 | 1990-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0412779U true JPH0412779U (en) | 1992-01-31 |
Family
ID=31575701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990054014U Pending JPH0412779U (en) | 1990-05-23 | 1990-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0412779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014502869A (en) * | 2010-12-21 | 2014-02-06 | コン クリティコス，ステファン | Surfing apparatus and method |
-
1990
- 1990-05-23 JP JP1990054014U patent/JPH0412779U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014502869A (en) * | 2010-12-21 | 2014-02-06 | コン クリティコス，ステファン | Surfing apparatus and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5587744A (en) | Image display apparatus | |
| US5444495A (en) | Muse-NTSC converter having two oscillators | |
| JPH0412779U (en) | ||
| US5128750A (en) | Television signal converter for converting a high definition television signal into a television signal for display by a standard television receiver | |
| JPH042191U (en) | ||
| JPS58164392A (en) | Color demodulating circuit | |
| JP2554080Y2 (en) | Television system converter | |
| JP2707258B2 (en) | Video signal processing device | |
| JPH0476786U (en) | ||
| JPH0225189A (en) | Television receiver | |
| JP2599825Y2 (en) | Television receiver | |
| JPH0471088U (en) | ||
| JP3042440B2 (en) | Video signal processing device | |
| JPH0295991U (en) | ||
| JPH0720271B2 (en) | Flicker-free circuit in PAL television receiver | |
| JPS6447182U (en) | ||
| JPH01137684U (en) | ||
| JPH0361781U (en) | ||
| JPH0228957B2 (en) | TEREBIJONSHINGOHENKANHOSHIKI | |
| JPS63113388U (en) | ||
| JPH01117191U (en) | ||
| JPH02128488U (en) | ||
| JPH08237681A (en) | Color extraction device | |
| JPH0358691A (en) | Television signal converter | |
| JPH032787U (en) |