JPS5640381A - Cross-color suppressing circuit - Google Patents

Cross-color suppressing circuit

Info

Publication number
JPS5640381A
JPS5640381A JP11715879A JP11715879A JPS5640381A JP S5640381 A JPS5640381 A JP S5640381A JP 11715879 A JP11715879 A JP 11715879A JP 11715879 A JP11715879 A JP 11715879A JP S5640381 A JPS5640381 A JP S5640381A
Authority
JP
Japan
Prior art keywords
signal
color
components
subtractor
cross
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
JP11715879A
Other languages
English (en)
Inventor
Seisuke Yamanaka
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP11715879A priority Critical patent/JPS5640381A/ja
Publication of JPS5640381A publication Critical patent/JPS5640381A/ja
Pending 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
    • H04N9/64—Circuits for processing colour signals
    • H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
JP11715879A 1979-09-12 1979-09-12 Cross-color suppressing circuit Pending JPS5640381A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11715879A JPS5640381A (en) 1979-09-12 1979-09-12 Cross-color suppressing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11715879A JPS5640381A (en) 1979-09-12 1979-09-12 Cross-color suppressing circuit

Publications (1)

Publication Number Publication Date
JPS5640381A true JPS5640381A (en) 1981-04-16

Family

ID=14704884

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11715879A Pending JPS5640381A (en) 1979-09-12 1979-09-12 Cross-color suppressing circuit

Country Status (1)

Country Link
JP (1) JPS5640381A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866484A (ja) * 1981-10-15 1983-04-20 Sanyo Electric Co Ltd カラ−映像信号再生回路
US4758882A (en) * 1987-06-09 1988-07-19 Matsushita Electric Industrial Co., Ltd. Chrominance detection circuit comparing the polarity of high frequency signals separated by a field or frame
US5019895A (en) * 1989-06-07 1991-05-28 Ikegami Tsushinki Co., Ltd. Cross color noise reduction and contour correction apparatus in NTSC color television image processing system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866484A (ja) * 1981-10-15 1983-04-20 Sanyo Electric Co Ltd カラ−映像信号再生回路
JPH0134435B2 (ja) * 1981-10-15 1989-07-19 Sanyo Electric Co
US4758882A (en) * 1987-06-09 1988-07-19 Matsushita Electric Industrial Co., Ltd. Chrominance detection circuit comparing the polarity of high frequency signals separated by a field or frame
US5019895A (en) * 1989-06-07 1991-05-28 Ikegami Tsushinki Co., Ltd. Cross color noise reduction and contour correction apparatus in NTSC color television image processing system

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