JPS6428074U - - Google Patents
Info
- Publication number
- JPS6428074U JPS6428074U JP12264687U JP12264687U JPS6428074U JP S6428074 U JPS6428074 U JP S6428074U JP 12264687 U JP12264687 U JP 12264687U JP 12264687 U JP12264687 U JP 12264687U JP S6428074 U JPS6428074 U JP S6428074U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- delay element
- recording medium
- luminance signal
- low
- 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 3
- 230000001934 delay Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 1
Description
第1図は本考案の映像信号処理装置の概略ブロ
ツク図、第2図は同装置の各部の信号スペクトラ
ム、第3図及び第4図は従来の映像信号処理装置
の概略ブロツク図である。
1…くし形フイルタ、2…1H遅延素子、3,
7…減算器、4…バンドパスフイルタ、5…周波
数変換回路、6…遅延素子、8…加算器。
FIG. 1 is a schematic block diagram of a video signal processing device of the present invention, FIG. 2 is a signal spectrum of each part of the device, and FIGS. 3 and 4 are schematic block diagrams of a conventional video signal processing device. 1... Comb filter, 2... 1H delay element, 3,
7... Subtractor, 4... Band pass filter, 5... Frequency conversion circuit, 6... Delay element, 8... Adder.
Claims (1)
録した記録媒体を再生する装置において、低域変
換したクロマ信号を1H(H:水平走査期間)遅
延させる第1の遅延素子で構成されたくし形フイ
ルタと、このくし形フイルタの出力と第2の遅延
素子を通した前記記録媒体からの再生原信号とを
減算して輝度信号を得る減算回路と、低域変換し
たクロマ信号を標準クロマ信号に変換する変換回
路と、前記輝度信号と前記標準クロマ信号とを混
合して標準カラーテレビ信号を得る混合回路とを
備え、前記変換回路を1個のみとしたことを特徴
とする映像信号処理装置。 In an apparatus for reproducing a recording medium in which a chroma signal is low-frequency converted and recorded together with a luminance signal, a comb-shaped filter comprising a first delay element that delays the low-frequency converted chroma signal by 1H (H: horizontal scanning period); , a subtraction circuit that obtains a luminance signal by subtracting the output of the comb filter and the original reproduction signal from the recording medium that has passed through the second delay element; A video signal processing device comprising: a conversion circuit; and a mixing circuit that mixes the luminance signal and the standard chroma signal to obtain a standard color television signal, and includes only one conversion circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12264687U JPS6428074U (en) | 1987-08-10 | 1987-08-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12264687U JPS6428074U (en) | 1987-08-10 | 1987-08-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6428074U true JPS6428074U (en) | 1989-02-17 |
Family
ID=31370767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12264687U Pending JPS6428074U (en) | 1987-08-10 | 1987-08-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6428074U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56119593A (en) * | 1980-02-26 | 1981-09-19 | Sony Corp | Processing device of color video signal |
JPS6268390A (en) * | 1985-09-20 | 1987-03-28 | Victor Co Of Japan Ltd | Video signal reproducing device |
-
1987
- 1987-08-10 JP JP12264687U patent/JPS6428074U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56119593A (en) * | 1980-02-26 | 1981-09-19 | Sony Corp | Processing device of color video signal |
JPS6268390A (en) * | 1985-09-20 | 1987-03-28 | Victor Co Of Japan Ltd | Video signal reproducing device |
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