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
Application number
JP12264687U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP12264687U priority Critical patent/JPS6428074U/ja
Publication of JPS6428074U publication Critical patent/JPS6428074U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] クロマ信号を低域変換して輝度信号とともに記
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.
JP12264687U 1987-08-10 1987-08-10 Pending JPS6428074U (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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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