JPS55143887A - Picture quality improving circuit - Google Patents

Picture quality improving circuit

Info

Publication number
JPS55143887A
JPS55143887A JP5091679A JP5091679A JPS55143887A JP S55143887 A JPS55143887 A JP S55143887A JP 5091679 A JP5091679 A JP 5091679A JP 5091679 A JP5091679 A JP 5091679A JP S55143887 A JPS55143887 A JP S55143887A
Authority
JP
Japan
Prior art keywords
band
wide
supplied
luminance
detail information
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
JP5091679A
Other languages
English (en)
Other versions
JPS6219116B2 (ja
Inventor
Toshio Murakami
Masaru Noda
Hiroaki Nabeyama
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 JP5091679A priority Critical patent/JPS55143887A/ja
Publication of JPS55143887A publication Critical patent/JPS55143887A/ja
Publication of JPS6219116B2 publication Critical patent/JPS6219116B2/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
    • H04N9/78—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 for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
JP5091679A 1979-04-26 1979-04-26 Picture quality improving circuit Granted JPS55143887A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5091679A JPS55143887A (en) 1979-04-26 1979-04-26 Picture quality improving circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5091679A JPS55143887A (en) 1979-04-26 1979-04-26 Picture quality improving circuit

Publications (2)

Publication Number Publication Date
JPS55143887A true JPS55143887A (en) 1980-11-10
JPS6219116B2 JPS6219116B2 (ja) 1987-04-27

Family

ID=12872106

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5091679A Granted JPS55143887A (en) 1979-04-26 1979-04-26 Picture quality improving circuit

Country Status (1)

Country Link
JP (1) JPS55143887A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5041904A (en) * 1988-03-31 1991-08-20 Hitachi, Ltd. Video signal processing circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5041904A (en) * 1988-03-31 1991-08-20 Hitachi, Ltd. Video signal processing circuit

Also Published As

Publication number Publication date
JPS6219116B2 (ja) 1987-04-27

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