JPS57176894A - Filter phase shifting circuit - Google Patents

Filter phase shifting circuit

Info

Publication number
JPS57176894A
JPS57176894A JP57053639A JP5363982A JPS57176894A JP S57176894 A JPS57176894 A JP S57176894A JP 57053639 A JP57053639 A JP 57053639A JP 5363982 A JP5363982 A JP 5363982A JP S57176894 A JPS57176894 A JP S57176894A
Authority
JP
Japan
Prior art keywords
phase shifting
shifting circuit
filter phase
filter
circuit
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
JP57053639A
Other languages
English (en)
Other versions
JPH043154B2 (ja
Inventor
Arubaato Haautsudo Reoporudo
Jiyohan Uitsutoman Aauin
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Publication of JPS57176894A publication Critical patent/JPS57176894A/ja
Publication of JPH043154B2 publication Critical patent/JPH043154B2/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
    • H04N9/64—Circuits for processing colour signals
    • 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
    • H04N9/643—Hue control means, e.g. flesh tone control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
JP57053639A 1981-04-01 1982-03-30 Filter phase shifting circuit Granted JPS57176894A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/249,947 US4385311A (en) 1981-04-01 1981-04-01 Filter and phase shift circuit for a television automatic flesh color correction system

Publications (2)

Publication Number Publication Date
JPS57176894A true JPS57176894A (en) 1982-10-30
JPH043154B2 JPH043154B2 (ja) 1992-01-22

Family

ID=22945690

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57053639A Granted JPS57176894A (en) 1981-04-01 1982-03-30 Filter phase shifting circuit

Country Status (5)

Country Link
US (1) US4385311A (ja)
JP (1) JPS57176894A (ja)
KR (1) KR890000018B1 (ja)
CA (1) CA1175560A (ja)
MX (1) MX158287A (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488429A (en) * 1992-01-13 1996-01-30 Mitsubishi Denki Kabushiki Kaisha Video signal processor for detecting flesh tones in am image
US5638136A (en) * 1992-01-13 1997-06-10 Mitsubishi Denki Kabushiki Kaisha Method and apparatus for detecting flesh tones in an image
FR2739519B1 (fr) 1995-09-29 1997-12-12 Sgs Thomson Microelectronics Dispositif de correction de teinte d'un signal de television selon la norme ntsc
KR100237637B1 (ko) * 1996-06-04 2000-01-15 구자홍 살색 재현장치 및 방법
US6052157A (en) * 1997-08-04 2000-04-18 Innovision Labs System and method for separating chrominance and luminance components of a color television system
US6351557B1 (en) 1998-04-03 2002-02-26 Avid Technology, Inc. Method and apparatus for color manipulation
US6552731B1 (en) * 1999-04-16 2003-04-22 Avid Technology, Inc. Multi-tone representation of a digital image on a digital nonlinear editing system
US6417891B1 (en) 1999-04-16 2002-07-09 Avid Technology, Inc. Color modification on a digital nonlinear editing system
US6847373B1 (en) 1999-04-16 2005-01-25 Avid Technology, Inc. Natural color matching in a video editing system
US6571255B1 (en) 1999-04-16 2003-05-27 Robert Gonsalves Modification of media with common attributes on a digital nonlinear editing system
US6928187B2 (en) * 2000-04-07 2005-08-09 Avid Technology, Inc. Secondary color modification of a digital image
US6477271B1 (en) 2000-04-07 2002-11-05 Avid Technology, Inc. Secondary color modification of a digital image

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55133194A (en) * 1979-03-14 1980-10-16 Rca Corp Color television signal processing system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3749825A (en) * 1971-12-16 1973-07-31 Zenith Radio Corp Automatic hue control circuit
US3996608A (en) * 1975-05-23 1976-12-07 Rca Corporation Hue correction apparatus having a restricted range
US4020500A (en) * 1975-11-19 1977-04-26 Rca Corporation Controlled oscillator
US4051519A (en) * 1975-12-29 1977-09-27 Rca Corporation Phase control circuit suitable for use in a tint control stage of a color television system
US4084178A (en) * 1976-05-05 1978-04-11 Admiral Corporation Automatic hue control circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55133194A (en) * 1979-03-14 1980-10-16 Rca Corp Color television signal processing system

Also Published As

Publication number Publication date
MX158287A (es) 1989-01-20
KR890000018B1 (ko) 1989-03-02
JPH043154B2 (ja) 1992-01-22
CA1175560A (en) 1984-10-02
US4385311A (en) 1983-05-24
KR830009863A (ko) 1983-12-23

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