JPS6471395A - Video signal processing circuit - Google Patents

Video signal processing circuit

Info

Publication number
JPS6471395A
JPS6471395A JP62228737A JP22873787A JPS6471395A JP S6471395 A JPS6471395 A JP S6471395A JP 62228737 A JP62228737 A JP 62228737A JP 22873787 A JP22873787 A JP 22873787A JP S6471395 A JPS6471395 A JP S6471395A
Authority
JP
Japan
Prior art keywords
signal
color
video signal
signal processing
processing 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
JP62228737A
Other languages
Japanese (ja)
Other versions
JP2548950B2 (en
Inventor
Yasutoshi Matsuo
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP62228737A priority Critical patent/JP2548950B2/en
Priority to US07/241,746 priority patent/US5099314A/en
Priority to GB8821170A priority patent/GB2209905B/en
Priority to DE3844818A priority patent/DE3844818C2/de
Priority to DE3844820A priority patent/DE3844820C2/en
Priority to DE3830795A priority patent/DE3830795A1/en
Priority to KR1019880011734A priority patent/KR920008661B1/en
Publication of JPS6471395A publication Critical patent/JPS6471395A/en
Priority to GB9120970A priority patent/GB2250657B/en
Application granted granted Critical
Publication of JP2548950B2 publication Critical patent/JP2548950B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

PURPOSE:To obtain a high-quality picture without color-dislocation or dot disturbance by subtracting a luminance signal component from a color signal, and extracting the color signal without a separation error. CONSTITUTION:The composite video signal entering a terminal 1 is made into a color signal (a) by a BPF 12, 1H-delayed by a 1H delay circuit 2 of a logic circuit 25, and made into a signal (b). A signal (f) extracted from the circuit 25 is supplied to a subtracter 24, here subtracted from the signal (a), and made into a signal (c). Since the signal (c) is that obtained by subtracting the signal (f) from the signal (a) contained with the separation error signal, it is the color signal without the separation error, and is outputted from a terminal 6. On the other hand, the signal (c) is supplied to a subtracter 8, and here, made into the Y signal (c) subtracted from the output composite video signal in a delay circuit 23. Consequently, the high-quality picture without the color dislocation and the dot disturbance can be obtained.
JP62228737A 1987-09-11 1987-09-11 Video signal processing circuit Expired - Lifetime JP2548950B2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP62228737A JP2548950B2 (en) 1987-09-11 1987-09-11 Video signal processing circuit
US07/241,746 US5099314A (en) 1987-09-11 1988-09-08 Luminance signal/color signal separation circuit
DE3844818A DE3844818C2 (en) 1987-09-11 1988-09-09
DE3844820A DE3844820C2 (en) 1987-09-11 1988-09-09 Brightness and colour signal separation circuit
GB8821170A GB2209905B (en) 1987-09-11 1988-09-09 Luminance signal/color signal separation circuit
DE3830795A DE3830795A1 (en) 1987-09-11 1988-09-09 BRIGHTNESS / COLOR SIGNAL CIRCUIT
KR1019880011734A KR920008661B1 (en) 1987-09-11 1988-09-10 Picture signal processing apparatus
GB9120970A GB2250657B (en) 1987-09-11 1991-10-03 Luminance signal/color signal separation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62228737A JP2548950B2 (en) 1987-09-11 1987-09-11 Video signal processing circuit

Publications (2)

Publication Number Publication Date
JPS6471395A true JPS6471395A (en) 1989-03-16
JP2548950B2 JP2548950B2 (en) 1996-10-30

Family

ID=16881029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62228737A Expired - Lifetime JP2548950B2 (en) 1987-09-11 1987-09-11 Video signal processing circuit

Country Status (1)

Country Link
JP (1) JP2548950B2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57111195A (en) * 1980-12-27 1982-07-10 Sony Corp Picture filter
JPS5939184A (en) * 1982-08-27 1984-03-03 Sony Corp Separation circuit of chrominance carrier signal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57111195A (en) * 1980-12-27 1982-07-10 Sony Corp Picture filter
JPS5939184A (en) * 1982-08-27 1984-03-03 Sony Corp Separation circuit of chrominance carrier signal

Also Published As

Publication number Publication date
JP2548950B2 (en) 1996-10-30

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