JPS5574284A - Separator for luminance and chroma signal - Google Patents

Separator for luminance and chroma signal

Info

Publication number
JPS5574284A
JPS5574284A JP14835178A JP14835178A JPS5574284A JP S5574284 A JPS5574284 A JP S5574284A JP 14835178 A JP14835178 A JP 14835178A JP 14835178 A JP14835178 A JP 14835178A JP S5574284 A JPS5574284 A JP S5574284A
Authority
JP
Japan
Prior art keywords
signal
luminance
chroma
chroma signal
delayed
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
JP14835178A
Other languages
Japanese (ja)
Inventor
Hidekazu Taira
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP14835178A priority Critical patent/JPS5574284A/en
Publication of JPS5574284A publication Critical patent/JPS5574284A/en
Pending legal-status Critical Current

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Landscapes

  • Processing Of Color Television Signals (AREA)

Abstract

PURPOSE: To prevent the phase shift and distortion in the waveform for chroma signal, by separating the luminance signal and chroma signal with operation.
CONSTITUTION: The composit video signal including luminance signal and chroma signal is picked up from the emitter of the transistor Tr3 of the amplifying circuit 2, and the output at the low level is fed to the delay circuit 4. The video signal delayed at Tr7 and the video signal not delayed are added and only the luminance signal is picked up through cancellation of the chroma signal components. On the other hand, at Tr9, the video signal delayed from the video signal not delayed is subtracted and the chroma signal is doubled, and at Tr12, the luminance signal is subtracted and only the chroma signal component is isolated.
COPYRIGHT: (C)1980,JPO&Japio
JP14835178A 1978-11-29 1978-11-29 Separator for luminance and chroma signal Pending JPS5574284A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14835178A JPS5574284A (en) 1978-11-29 1978-11-29 Separator for luminance and chroma signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14835178A JPS5574284A (en) 1978-11-29 1978-11-29 Separator for luminance and chroma signal

Publications (1)

Publication Number Publication Date
JPS5574284A true JPS5574284A (en) 1980-06-04

Family

ID=15450812

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14835178A Pending JPS5574284A (en) 1978-11-29 1978-11-29 Separator for luminance and chroma signal

Country Status (1)

Country Link
JP (1) JPS5574284A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59122298A (en) * 1982-12-28 1984-07-14 Showa Electric Wire & Cable Co Ltd Comb filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59122298A (en) * 1982-12-28 1984-07-14 Showa Electric Wire & Cable Co Ltd Comb filter

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