JPH0361781U - - Google Patents
Info
- Publication number
- JPH0361781U JPH0361781U JP12347789U JP12347789U JPH0361781U JP H0361781 U JPH0361781 U JP H0361781U JP 12347789 U JP12347789 U JP 12347789U JP 12347789 U JP12347789 U JP 12347789U JP H0361781 U JPH0361781 U JP H0361781U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- scanning
- television video
- scanning line
- video 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
- 230000000750 progressive effect Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 101000860173 Myxococcus xanthus C-factor Proteins 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Television Systems (AREA)
Description
第１図は本考案の一実施例に係わるテレビジヨ
ン映像信号の順次走査変換回路を構成する走査線
補間部の構成を示すブロツク図、第２図は第１図
の走査線補間部の動作を説明するための波形図、
第３図は第１図の走査線補間部を含む順次走査変
換回路の構成をＥＤＴＶ受像機の関連と共に示す
ブロツク図、第４図は従来の順次走査変換回路を
構成する走査線補間部の構成を示すブロツク図、
第５図は第４図の走査線補間部の動作を説明する
ための波形図である。
１……ライン間補間信号作成部、１ａ……１ラ
イン遅延回路、１ｂ……加算回路、２……フイー
ルド間補間信号作成部、２ａ……２６３ライン遅
延回路、３，４……セレクタ、Ｉ１……原映像信
号の入力端子、Ｉ２……動き検出信号の入力端子
、Ｉ３……水平ブランキングパルスの入力端子、
Ｏ……補間信号の出力端子、ＩＮ……走査変換対
象のＮＴＳＣテレビジヨン信号の入力端子、１７
……Ｙ，Ｃ信号処理回路、１８……順次走査変換
回路、１８ａ……走査線補間部、１８ｂ……時間
軸圧縮部、２３……同期分離回路、２４……偏向
回路。
FIG. 1 is a block diagram showing the configuration of a scanning line interpolation section constituting a progressive scan conversion circuit for television video signals according to an embodiment of the present invention, and FIG. 2 shows the operation of the scanning line interpolation section of FIG. 1. Waveform diagram for explanation,
FIG. 3 is a block diagram showing the configuration of a progressive scan conversion circuit including the scanning line interpolation section shown in FIG. 1 together with the relation to an EDTV receiver. FIG. A block diagram showing
FIG. 5 is a waveform diagram for explaining the operation of the scanning line interpolation section of FIG. 4. DESCRIPTION OF SYMBOLS 1...Line interpolation signal generation unit, 1a...1 line delay circuit, 1b...Addition circuit, 2...Interfield interpolation signal generation unit, 2a...263 line delay circuit, 3, 4...Selector, I 1 ... Input terminal for original video signal, I2... Input terminal for motion detection signal, I3... Input terminal for horizontal blanking pulse,
O...Output terminal for interpolation signal, IN...Input terminal for NTSC television signal to be scan converted, 17
. . . Y, C signal processing circuit, 18 . . . Progressive scan conversion circuit, 18a . . . Scanning line interpolation section, 18b .
Claims (1)
を補間し出力する走査線補間部と、 この補間され出力された走査線と原走査線とを
時間軸上に圧縮しつつ交互に配列することにより
順次走査方式のテレビジヨン映像信号を生成する
時間軸圧縮部とを備え、 前記走査線補間部は、水平同期信号については
その補間信号として１ライン前の原走査線に含ま
れる水平同期信号をそのまま出力する選択的出力
手段を備えたことを特徴とするテレビジヨン映像
信号の順次走査変換回路。[Claim for Utility Model Registration] A scanning line interpolation unit that interpolates and outputs the scanning lines of an interlaced television video signal, and compresses the interpolated and outputted scanning lines and the original scanning lines on the time axis. and a time axis compression section that generates a progressive scanning television video signal by alternately arranging the horizontal synchronization signal, and the scanning line interpolation section applies the horizontal synchronization signal to the original scanning line one line before as the interpolation signal. 1. A progressive scan conversion circuit for a television video signal, comprising selective output means for directly outputting a horizontal synchronizing signal contained therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12347789U JPH0361781U (en) | 1989-10-20 | 1989-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12347789U JPH0361781U (en) | 1989-10-20 | 1989-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0361781U true JPH0361781U (en) | 1991-06-17 |
Family
ID=31671451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12347789U Pending JPH0361781U (en) | 1989-10-20 | 1989-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0361781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010269824A (en) * | 2009-05-21 | 2010-12-02 | Fp Corp | Packaging container |
-
1989
- 1989-10-20 JP JP12347789U patent/JPH0361781U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010269824A (en) * | 2009-05-21 | 2010-12-02 | Fp Corp | Packaging container |
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