JPS5623086A - Picture quality improving circuit of color television receiver - Google Patents

Picture quality improving circuit of color television receiver

Info

Publication number
JPS5623086A
JPS5623086A JP9806779A JP9806779A JPS5623086A JP S5623086 A JPS5623086 A JP S5623086A JP 9806779 A JP9806779 A JP 9806779A JP 9806779 A JP9806779 A JP 9806779A JP S5623086 A JPS5623086 A JP S5623086A
Authority
JP
Japan
Prior art keywords
circuit
band components
signal
low
picture quality
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
JP9806779A
Other languages
English (en)
Other versions
JPS6226234B2 (ja
Inventor
Masaru Noda
Toshio Murakami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9806779A priority Critical patent/JPS5623086A/ja
Publication of JPS5623086A publication Critical patent/JPS5623086A/ja
Publication of JPS6226234B2 publication Critical patent/JPS6226234B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
JP9806779A 1979-08-02 1979-08-02 Picture quality improving circuit of color television receiver Granted JPS5623086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9806779A JPS5623086A (en) 1979-08-02 1979-08-02 Picture quality improving circuit of color television receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9806779A JPS5623086A (en) 1979-08-02 1979-08-02 Picture quality improving circuit of color television receiver

Publications (2)

Publication Number Publication Date
JPS5623086A true JPS5623086A (en) 1981-03-04
JPS6226234B2 JPS6226234B2 (ja) 1987-06-08

Family

ID=14209981

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9806779A Granted JPS5623086A (en) 1979-08-02 1979-08-02 Picture quality improving circuit of color television receiver

Country Status (1)

Country Link
JP (1) JPS5623086A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02252369A (ja) * 1989-03-27 1990-10-11 Hitachi Ltd 色信号の輪郭補正回路
JPH0440192A (ja) * 1990-06-05 1992-02-10 Matsushita Electric Ind Co Ltd 映像信号の階調補正装置およびテレビジョン受像機
US5621480A (en) * 1993-04-19 1997-04-15 Mitsubishi Denki Kabushiki Kaisha Image quality correction circuit and method based on color density
US6002448A (en) * 1993-04-19 1999-12-14 Mitsubishi Denki Kabushiki Kaisha Image quality correction circuit and method based on color density

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0398139U (ja) * 1990-01-30 1991-10-11

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02252369A (ja) * 1989-03-27 1990-10-11 Hitachi Ltd 色信号の輪郭補正回路
JPH0440192A (ja) * 1990-06-05 1992-02-10 Matsushita Electric Ind Co Ltd 映像信号の階調補正装置およびテレビジョン受像機
US5621480A (en) * 1993-04-19 1997-04-15 Mitsubishi Denki Kabushiki Kaisha Image quality correction circuit and method based on color density
US5663769A (en) * 1993-04-19 1997-09-02 Mitsubishi Denki Kabushiki Kaisha Image quality correction circuit based on color density
US5910823A (en) * 1993-04-19 1999-06-08 Mitsubishi Denki Kabushiki Kaisha Image quality correction circuit and method based on color density
US6002448A (en) * 1993-04-19 1999-12-14 Mitsubishi Denki Kabushiki Kaisha Image quality correction circuit and method based on color density
US6018373A (en) * 1993-04-19 2000-01-25 Mitsubishi Denki Kabushiki Kaisha Image quality correction circuit and method based on color density
US6023304A (en) * 1993-04-19 2000-02-08 Mitsubishi Denki Kabushiki Kaisha Image quality correction circuit and method based on color density
US6081302A (en) * 1993-04-19 2000-06-27 Mitsubishi Denki Kabushiki Kaisha Image quality correction circuit and method based on color density

Also Published As

Publication number Publication date
JPS6226234B2 (ja) 1987-06-08

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