JPS6364165U - - Google Patents
Info
- Publication number
- JPS6364165U JPS6364165U JP15745986U JP15745986U JPS6364165U JP S6364165 U JPS6364165 U JP S6364165U JP 15745986 U JP15745986 U JP 15745986U JP 15745986 U JP15745986 U JP 15745986U JP S6364165 U JPS6364165 U JP S6364165U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- white
- signal
- video signal
- compressed
- 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.)
- Granted
Links
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Picture Signal Circuits (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図は第１図の各部の信号波形図、第３図は従来例
のブロツク図、第４図は第３図の各部の信号波形
図である。
１……白信号圧縮回路、５……櫛型フイルタ回
路（第１混合回路）、６……輪郭補償信号形成回
路、８……混合回路（第２混合回路）、９……抜
き取り回路。
Figure 1 is a block diagram of one embodiment of the present invention;
1, FIG. 3 is a block diagram of a conventional example, and FIG. 4 is a signal waveform diagram of each part in FIG. 3. DESCRIPTION OF SYMBOLS 1... White signal compression circuit, 5... Comb filter circuit (first mixing circuit), 6... Contour compensation signal forming circuit, 8... Mixing circuit (second mixing circuit), 9... Sampling circuit.
Claims (1)
レベル以上の白圧縮される映像信号部分を抜き取
る抜き取り回路と、 この抜き取り回路で抜き取られた前記映像信号
部分および前記白信号圧縮回路からの白圧縮され
た映像信号を混合する第１混合回路と、 この第１混合回路の出力に基づいて輪郭補償信
号を形成する輪郭補償信号形成回路と、 この輪郭補償信号および前記白圧縮された映像
信号を混合して輪郭補償された映像信号を出力す
る第２混合回路とを備えることを特徴とする輪郭
補償回路。[Claims for Utility Model Registration] A sampling circuit for extracting a video signal portion to be white-compressed at a predetermined level or higher from a video signal input to a white signal compression circuit; and the video signal portion extracted by the sampling circuit and the white. a first mixing circuit that mixes the white-compressed video signal from the signal compression circuit; an outline compensation signal forming circuit that forms an outline compensation signal based on the output of the first mixing circuit; and the outline compensation signal and the white A contour compensation circuit comprising: a second mixing circuit that mixes compressed video signals and outputs a contour-compensated video signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15745986U JPH0450701Y2 (en) | 1986-10-14 | 1986-10-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15745986U JPH0450701Y2 (en) | 1986-10-14 | 1986-10-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6364165U true JPS6364165U (en) | 1988-04-27 |
| JPH0450701Y2 JPH0450701Y2 (en) | 1992-11-30 |
Family
ID=31080026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15745986U Expired JPH0450701Y2 (en) | 1986-10-14 | 1986-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0450701Y2 (en) |
-
1986
- 1986-10-14 JP JP15745986U patent/JPH0450701Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0450701Y2 (en) | 1992-11-30 |