JPS62147985U - - Google Patents

Info

Publication number
JPS62147985U
JPS62147985U JP3547386U JP3547386U JPS62147985U JP S62147985 U JPS62147985 U JP S62147985U JP 3547386 U JP3547386 U JP 3547386U JP 3547386 U JP3547386 U JP 3547386U JP S62147985 U JPS62147985 U JP S62147985U
Authority
JP
Japan
Prior art keywords
luminance signal
digital
television receiver
digital television
signal level
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
JP3547386U
Other languages
Japanese (ja)
Other versions
JPH0718221Y2 (en
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 JP1986035473U priority Critical patent/JPH0718221Y2/en
Publication of JPS62147985U publication Critical patent/JPS62147985U/ja
Application granted granted Critical
Publication of JPH0718221Y2 publication Critical patent/JPH0718221Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)

Description

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

第１図はこの考案の一実施例を示すブロツク図
、第２図は第１図の非線形回路の例を示す図、第
３図は非線形特性例を示す図、第４図は非線形回
路の他の例を示す図、第５図は従来のデジタルテ
レビジヨン受像機のブロツク図である。 ２…アナログデジタルコンバータ、３…輝度・
色度分離回路、４…輝度信号処理回路、７，８…
デジタルアナログコンバータ、１０…非線形処理
回路。 FIG. 1 is a block diagram showing an embodiment of this invention, FIG. 2 is a diagram showing an example of the nonlinear circuit shown in FIG. 1, FIG. 3 is a diagram showing an example of nonlinear characteristics, and FIG. FIG. 5 is a block diagram of a conventional digital television receiver. 2...Analog-digital converter, 3...Brightness/
Chromaticity separation circuit, 4... Luminance signal processing circuit, 7, 8...
Digital-to-analog converter, 10...nonlinear processing circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 輝度信号及び色度信号をデジタル処理するデジ
タルテレビジヨン受像機において、デジタル輝度
信号ラインに、該デジタル輝度信号を非線形処理
して輝度信号レベルと色信号レベルとの比を入力
側とは異なる比とする非線形処理回路を設けたこ
とを特徴とするデジタルテレビジヨン受像機。 In a digital television receiver that digitally processes a luminance signal and a chromaticity signal, a digital luminance signal line is provided with a ratio of the luminance signal level to a chrominance signal level that is different from that on the input side by nonlinear processing of the digital luminance signal. A digital television receiver characterized by being provided with a non-linear processing circuit.
JP1986035473U 1986-03-12 1986-03-12 Digital television receiver Expired - Lifetime JPH0718221Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986035473U JPH0718221Y2 (en) 1986-03-12 1986-03-12 Digital television receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986035473U JPH0718221Y2 (en) 1986-03-12 1986-03-12 Digital television receiver

Publications (2)

Publication Number Publication Date
JPS62147985U true JPS62147985U (en) 1987-09-18
JPH0718221Y2 JPH0718221Y2 (en) 1995-04-26

Family

ID=30845000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986035473U Expired - Lifetime JPH0718221Y2 (en) 1986-03-12 1986-03-12 Digital television receiver

Country Status (1)

Country Link
JP (1) JPH0718221Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5556795A (en) * 1978-10-24 1980-04-25 Tokyo Hoso:Kk Luminance correction circuit
JPS5884588A (en) * 1981-11-16 1983-05-20 Matsushita Electric Ind Co Ltd Skin color correcting device for color video camera

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5556795A (en) * 1978-10-24 1980-04-25 Tokyo Hoso:Kk Luminance correction circuit
JPS5884588A (en) * 1981-11-16 1983-05-20 Matsushita Electric Ind Co Ltd Skin color correcting device for color video camera

Also Published As

Publication number Publication date
JPH0718221Y2 (en) 1995-04-26

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