JPS6045576U - Line-sequential color difference signal processing circuit - Google Patents

Line-sequential color difference signal processing circuit

Info

Publication number
JPS6045576U
JPS6045576U JP1983137465U JP13746583U JPS6045576U JP S6045576 U JPS6045576 U JP S6045576U JP 1983137465 U JP1983137465 U JP 1983137465U JP 13746583 U JP13746583 U JP 13746583U JP S6045576 U JPS6045576 U JP S6045576U
Authority
JP
Japan
Prior art keywords
color difference
line
sequential color
difference signal
signal
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
Application number
JP1983137465U
Other languages
Japanese (ja)
Other versions
JPS6312627Y2 (en
Inventor
小山　彰夫
Original Assignee
日本ビクター株式会社
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 by 日本ビクター株式会社 filed Critical 日本ビクター株式会社
Priority to JP1983137465U priority Critical patent/JPS6045576U/en
Priority to FR848413656A priority patent/FR2551608B1/en
Publication of JPS6045576U publication Critical patent/JPS6045576U/en
Application granted granted Critical
Publication of JPS6312627Y2 publication Critical patent/JPS6312627Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/18—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous and sequential signals, e.g. SECAM-system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Television Systems (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来回路の一例を示すブロック系統図、第２図
は本考案回路の一実施例を示すブロック系統図、第３図
Ａ−Ｇ、第４図Ａ〜Ｄ及び第５図Ａ−Ｆは夫々第２図図
示ブロック系統の動作説明用タイミングチャートである
。 １．２，２４，２５・・・色差信号入力端子、３゜２６
・・・垂直相関信号入力端子、４，５．３５・・・ＩＨ
遅延回路、６〜９，３６，３７・・・乗算回路、１０、
　１１．３８．３９・・・振幅制限回路、１２，１３．
４０・・・加算回路、２０．３３・・・線順次切換回路
、２１，３４・・・スイッチングパルス入力端子、２２
．４１・・・線順次色差信号出力端子。 、　第２図 第３図Fig. 1 is a block system diagram showing an example of a conventional circuit, Fig. 2 is a block system diagram showing an embodiment of the circuit of the present invention, Figs. 3 A-G, Figs. 4 A-D, and Figs. 5 A- F is a timing chart for explaining the operation of the block system shown in FIG. 2, respectively. 1.2,24,25...Color difference signal input terminal, 3°26
...Vertical correlation signal input terminal, 4,5.35...IH
delay circuit, 6 to 9, 36, 37... multiplication circuit, 10,
11.38.39... Amplitude limiting circuit, 12,13.
40... Addition circuit, 20.33... Line sequential switching circuit, 21, 34... Switching pulse input terminal, 22
．． 41...Line sequential color difference signal output terminal. , Figure 2 Figure 3

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ２種の色差信号を夫々入力信号として受け、該２種の色
差信号よりなる第１の線順次色差信号を出力すると共に
、該・第１の線順次色差信号で伝送されない該２種の色
差信号よりなる第２の線順次色信号を出力する切換回路
と、該第１の線順次色差信号を１水平走差査期間遅延す
る遅延回路と、該切換回路の入力色差信号と共に伝送さ
れるべき輝度信号の垂直相関の有無を示す垂直相関信号
が供給されこれを振幅制限する振幅制限回路と、該振幅
制限回路の出力信号により該輝度信号が低レベルへ変化
する水平走査期間は該遅延回路の出力線順次色差信号の
振幅を減衰させて出力すると共に、該輝度信号が高レベ
ルへ変化する水平走査期間は該第２の線順次色差信号の
振幅を増強させて出力する乗算回路手段と、該乗算回路
手段より取り出された２種の線順次色差信号を加算合成
して出力する加算回路とより構成した線順次色差信号の
処理回路。Receives two types of color difference signals as input signals, outputs a first line sequential color difference signal made up of the two types of color difference signals, and outputs a first line sequential color difference signal that is not transmitted by the first line sequential color difference signal. a switching circuit that outputs a second line-sequential color difference signal, a delay circuit that delays the first line-sequential color difference signal by one horizontal scanning period, and a luminance to be transmitted together with the input color difference signal of the switching circuit. An amplitude limiting circuit that is supplied with a vertical correlation signal indicating the presence or absence of vertical correlation of the signals and limits the amplitude thereof; and an output signal of the delay circuit during the horizontal scanning period in which the luminance signal changes to a low level due to the output signal of the amplitude limiting circuit. a multiplication circuit means for attenuating and outputting the amplitude of the line-sequential color-difference signal, and for increasing and outputting the amplitude of the second line-sequential color-difference signal during the horizontal scanning period in which the luminance signal changes to a high level; A processing circuit for line-sequential color difference signals comprising an adder circuit for adding and combining two types of line-sequential color difference signals taken out from circuit means and outputting the resultant signal.
JP1983137465U 1983-09-05 1983-09-05 Line-sequential color difference signal processing circuit Granted JPS6045576U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1983137465U JPS6045576U (en) 1983-09-05 1983-09-05 Line-sequential color difference signal processing circuit
FR848413656A FR2551608B1 (en) 1983-09-05 1984-09-05 CIRCUIT FOR PROCESSING A COLOR DIFFERENCE SIGNAL WITH LINE SEQUENCE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983137465U JPS6045576U (en) 1983-09-05 1983-09-05 Line-sequential color difference signal processing circuit

Publications (2)

Publication Number Publication Date
JPS6045576U true JPS6045576U (en) 1985-03-30
JPS6312627Y2 JPS6312627Y2 (en) 1988-04-11

Family

ID=15199234

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983137465U Granted JPS6045576U (en) 1983-09-05 1983-09-05 Line-sequential color difference signal processing circuit

Country Status (2)

Country Link
JP (1) JPS6045576U (en)
FR (1) FR2551608B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0683458B2 (en) * 1988-03-17 1994-10-19 日本ビクター株式会社 Video signal processing circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1453588A (en) * 1973-09-28 1976-10-27 Decca Ltd Colour television system

Also Published As

Publication number Publication date
FR2551608A1 (en) 1985-03-08
FR2551608B1 (en) 1989-04-21
JPS6312627Y2 (en) 1988-04-11

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