JPS5597788A - Picture quality improving unit - Google Patents

Picture quality improving unit

Info

Publication number
JPS5597788A
JPS5597788A JP503679A JP503679A JPS5597788A JP S5597788 A JPS5597788 A JP S5597788A JP 503679 A JP503679 A JP 503679A JP 503679 A JP503679 A JP 503679A JP S5597788 A JPS5597788 A JP S5597788A
Authority
JP
Japan
Prior art keywords
signals
color
circuit
signal
polarity
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
JP503679A
Other languages
Japanese (ja)
Inventor
Hidekazu Taira
Namio Yamaguchi
Hirosuke Yamamoto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP503679A priority Critical patent/JPS5597788A/en
Publication of JPS5597788A publication Critical patent/JPS5597788A/en
Pending legal-status Critical Current

Links

Landscapes

  • Processing Of Color Television Signals (AREA)

Abstract

PURPOSE: To reduce color slippage and color smear to improve the transient response of a color signal by detecting change of video signal to arrange the polarity of the output into one direction and by using signal to control the gain of primary signals or color difference signals.
CONSTITUTION: Video signals from delay line 6 are applied to differentiating circuit 7, and an output signal according to change of these signals is applied to shaping circuit 8. In circuit 8, the other polarity-side signals are converted to one polarity-side signals to arrange signals into the same polarity, and the gain of gain control circuit 9 is controlled by output signals with polarity arranged. The signal of color signal processing circuit 5 is processed by color difference signal demodulator circuit 51 and is applied to circuit 9. By utilizing the change part of video signals to correct signals, color slippage and color smear are prevented to improve the transient response of color signals and improve segmentation of color to improve the picture quality.
COPYRIGHT: (C)1980,JPO&Japio
JP503679A 1979-01-20 1979-01-20 Picture quality improving unit Pending JPS5597788A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP503679A JPS5597788A (en) 1979-01-20 1979-01-20 Picture quality improving unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP503679A JPS5597788A (en) 1979-01-20 1979-01-20 Picture quality improving unit

Publications (1)

Publication Number Publication Date
JPS5597788A true JPS5597788A (en) 1980-07-25

Family

ID=11600222

Family Applications (1)

Application Number Title Priority Date Filing Date
JP503679A Pending JPS5597788A (en) 1979-01-20 1979-01-20 Picture quality improving unit

Country Status (1)

Country Link
JP (1) JPS5597788A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115693A (en) * 1974-07-29 1976-02-07 Meiji Seika Co Sss700a butsushitsuno seizoho

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115693A (en) * 1974-07-29 1976-02-07 Meiji Seika Co Sss700a butsushitsuno seizoho

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