JPS6355687U - - Google Patents
Info
- Publication number
- JPS6355687U JPS6355687U JP14777786U JP14777786U JPS6355687U JP S6355687 U JPS6355687 U JP S6355687U JP 14777786 U JP14777786 U JP 14777786U JP 14777786 U JP14777786 U JP 14777786U JP S6355687 U JPS6355687 U JP S6355687U
- Authority
- JP
- Japan
- Prior art keywords
- correction
- outputs
- utility
- generating circuit
- scope
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Analogue/Digital Conversion (AREA)
Description
第１図は本考案の一実施例に係る補正波形回路
の構成図、第２図は本考案回路が発生する補正波
形を示す波形特性図、第３図、第４図は従来の補
正波形特性図である。
４２…補間データ信号。
Fig. 1 is a block diagram of a correction waveform circuit according to an embodiment of the present invention, Fig. 2 is a waveform characteristic diagram showing the correction waveform generated by the circuit of the present invention, and Figs. 3 and 4 are conventional correction waveform characteristics. It is a diagram. 42...Interpolation data signal.
Claims (1)
ける補正データ値がＶ（Ｐｉ），Ｖ（Ｐｉ＋１）
のとき、上記２点間において補正点Ｐｉよりｘだ
け離れた点Ｐｉ＋ｘにおける補間データＶ（Ｐｉ
＋ｘ）として、 Ｖ（Ｐｉ＋ｘ）＝Ｖ（Ｐｉ）・｛１−２（ａ−
１）・ｘａ｝＋Ｖ（Ｐｉ＋１）・｛２（ａ−１）
・ｘａ｝…０≦ｘ≦０．５ Ｖ（Ｐｉ＋１）＝Ｖ（Ｐｉ）・２（ａ−１）（
１−ｘ）ａ＋Ｖ（Ｐｉ＋１）｛１−２（ａ−１）
・（１−ｘ）ａ｝…０．５≦ｘ≦１ ａ＞１であり、ａは１に近い値 を出力することを特徴とする補正波形発生回路。[Scope of claim for utility model registration] Correction data values at vertically adjacent correction points Pi and Pi+1 are V(Pi) and V(Pi+1)
When , the interpolated data V (Pi
+x), V(Pi+x)=V(Pi)・{1-2( a-
1 )・xa }+V(Pi+1)・{2( a-1 )
・x a }...0≦x≦0.5 V(Pi+1)=V(Pi)・2( a-1 )(
1-x) a +V(Pi+1) {1-2( a-1 )
- (1-x) a }...0.5≦x≦1 a>1, and a is a correction waveform generating circuit characterized in that it outputs a value close to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14777786U JPS6355687U (en) | 1986-09-29 | 1986-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14777786U JPS6355687U (en) | 1986-09-29 | 1986-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6355687U true JPS6355687U (en) | 1988-04-14 |
Family
ID=31061452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14777786U Pending JPS6355687U (en) | 1986-09-29 | 1986-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6355687U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01117424A (en) * | 1987-10-30 | 1989-05-10 | Alpine Electron Inc | Digital analog converter |
| JPH01296714A (en) * | 1988-05-24 | 1989-11-30 | Ryoichi Mori | Digital/analog converter |
| JPH05244615A (en) * | 1992-02-26 | 1993-09-21 | Hitachi Ltd | Digital convergence correction device and correction data creation method |
-
1986
- 1986-09-29 JP JP14777786U patent/JPS6355687U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01117424A (en) * | 1987-10-30 | 1989-05-10 | Alpine Electron Inc | Digital analog converter |
| JPH01296714A (en) * | 1988-05-24 | 1989-11-30 | Ryoichi Mori | Digital/analog converter |
| JPH05244615A (en) * | 1992-02-26 | 1993-09-21 | Hitachi Ltd | Digital convergence correction device and correction data creation method |
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