JPS63153685U - - Google Patents

Info

Publication number
JPS63153685U
JPS63153685U JP4728587U JP4728587U JPS63153685U JP S63153685 U JPS63153685 U JP S63153685U JP 4728587 U JP4728587 U JP 4728587U JP 4728587 U JP4728587 U JP 4728587U JP S63153685 U JPS63153685 U JP S63153685U
Authority
JP
Japan
Prior art keywords
circuit
band
secam
reference signal
color difference
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
JP4728587U
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 JP4728587U priority Critical patent/JPS63153685U/ja
Publication of JPS63153685U publication Critical patent/JPS63153685U/ja
Pending legal-status Critical Current

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  • Processing Of Color Television Signals (AREA)

Description

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

第1図は、この考案のSECAM方式色処理回
路の一実施例を示す回路構成図、第2図は、従来
のSECAM方式色処理回路の一例を示す回路構
成図である。 8……ベルフイルタ回路、9……リミツタ回路
、10……1/4分周回路、21……SECAM
方式色処理回路、22……自動色レベル制御回路
FIG. 1 is a circuit diagram showing an embodiment of a SECAM color processing circuit according to the present invention, and FIG. 2 is a circuit diagram showing an example of a conventional SECAM color processing circuit. 8... Bell filter circuit, 9... Limiter circuit, 10... 1/4 frequency divider circuit, 21... SECAM
System color processing circuit, 22...Automatic color level control circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] SECAM方式合成映像信号から、帯域波回
路が分離した周波端数変調された線順次色差信号
を、リミツタ回路にて振幅制限したのち、帯域圧
縮することで、低域変換するSECAM方式色処
理回路であつて、前記帯域波回路の前段に設け
られ、色差判別のための照合信号を抽出し、この
照合信号のレベルを定値制御する自動色レベル制
御回路を設けてなるSECAM方式色処理回路。
This is a SECAM color processing circuit that performs low frequency conversion by limiting the amplitude of a frequency fraction modulated line sequential color difference signal separated by a band wave circuit from a SECAM composite video signal using a limiter circuit and then compressing the band. and an automatic color level control circuit which is provided upstream of the band wave circuit, extracts a reference signal for color difference discrimination, and controls the level of the reference signal to a fixed value.
JP4728587U 1987-03-30 1987-03-30 Pending JPS63153685U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4728587U JPS63153685U (en) 1987-03-30 1987-03-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4728587U JPS63153685U (en) 1987-03-30 1987-03-30

Publications (1)

Publication Number Publication Date
JPS63153685U true JPS63153685U (en) 1988-10-07

Family

ID=30867747

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4728587U Pending JPS63153685U (en) 1987-03-30 1987-03-30

Country Status (1)

Country Link
JP (1) JPS63153685U (en)

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