JPS6489887A - Composite video signal output circuit - Google Patents

Composite video signal output circuit

Info

Publication number
JPS6489887A
JPS6489887A JP62246539A JP24653987A JPS6489887A JP S6489887 A JPS6489887 A JP S6489887A JP 62246539 A JP62246539 A JP 62246539A JP 24653987 A JP24653987 A JP 24653987A JP S6489887 A JPS6489887 A JP S6489887A
Authority
JP
Japan
Prior art keywords
video signal
composite video
term
line
signal
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
JP62246539A
Other languages
Japanese (ja)
Inventor
Tadashi Ezaki
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 JP62246539A priority Critical patent/JPS6489887A/en
Publication of JPS6489887A publication Critical patent/JPS6489887A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To prevent the occurence of corrugated distortion for a line non- correlation part by executing a direct E-E mode which directly uses an inputted composite video signal in a vertical blanking term. CONSTITUTION:A Y/C separation comb line filter 3 to which the first composite video signal is supplied and an adder 19 which makes the second composite video signal by composing a luminance signal separated by the filter 3 and a chrome signal are provided. Besides, switch means 10 and 20 which select the first composite video signal in a vertical retrace line term, supply it to an output terminal 11, select the second composite video signal except the vertical retrace line term and supply it to the output terminal 11 is provided. Then they are switched to the direct E-E mode in the vertical blanking term by the switch means. Thus, even when a digital signal and the like which does not have line correlation exists in the vertical blanking term of the first composite video signal, the currugated distortion caused by the comb line filter can be prevented.
JP62246539A 1987-09-30 1987-09-30 Composite video signal output circuit Pending JPS6489887A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62246539A JPS6489887A (en) 1987-09-30 1987-09-30 Composite video signal output circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62246539A JPS6489887A (en) 1987-09-30 1987-09-30 Composite video signal output circuit

Publications (1)

Publication Number Publication Date
JPS6489887A true JPS6489887A (en) 1989-04-05

Family

ID=17149913

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62246539A Pending JPS6489887A (en) 1987-09-30 1987-09-30 Composite video signal output circuit

Country Status (1)

Country Link
JP (1) JPS6489887A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01101792A (en) * 1987-10-14 1989-04-19 Victor Co Of Japan Ltd Magnetic recording and reproducing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01101792A (en) * 1987-10-14 1989-04-19 Victor Co Of Japan Ltd Magnetic recording and reproducing device

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