KR910009101A - Data selector for color signal digital demodulator - Google Patents

Data selector for color signal digital demodulator Download PDF

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Publication number
KR910009101A
KR910009101A KR1019890015766A KR890015766A KR910009101A KR 910009101 A KR910009101 A KR 910009101A KR 1019890015766 A KR1019890015766 A KR 1019890015766A KR 890015766 A KR890015766 A KR 890015766A KR 910009101 A KR910009101 A KR 910009101A
Authority
KR
South Korea
Prior art keywords
color signal
buffers
data selector
digital demodulator
signal digital
Prior art date
Application number
KR1019890015766A
Other languages
Korean (ko)
Other versions
KR950007928B1 (en
Inventor
최영준
Original Assignee
강진구
삼성전자 주식회사
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 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019890015766A priority Critical patent/KR950007928B1/en
Publication of KR910009101A publication Critical patent/KR910009101A/en
Application granted granted Critical
Publication of KR950007928B1 publication Critical patent/KR950007928B1/en

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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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

내용 없음No content

Description

색신호 디지탈 복조기용 데이타 셀렉터Data selector for color signal digital demodulator

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 원리도.1 is a principle diagram of the present invention.

제2도는 본 발명의 실시예를 나타낸 회로도.2 is a circuit diagram showing an embodiment of the present invention.

제3도는 제2도의 타이밍 챠트.3 is a timing chart of FIG.

Claims (2)

NTSC방식의 영상신호를 디지탈 처리하기 위하여 I,Q색신호를 분리하는 장치에 있어서, 디지탈 색신호를 입력으로 부반송 주파수(fsc)에 대해서 각각 90°의 위상차로서 데이타를 버퍼링하는 버퍼(10,11,12,13)와 상기 버퍼(10,11,12,13)의 출력을 2fsc로 교번으로 출력하기 위한 래치(30.31.40,41)와, 4fsc의 클럭을 입력으로 상기 버퍼(10,11,12,13)와 래치(30.31.40,41)의 타이밍 제어펄스를 제공하는 펄스발생부(100)를 구비하여 이루어짐을 특징으로 하는 색신호 디지탈 복조기용 데이타 셀렉터 장치.A device for separating I and Q color signals for digital processing NTSC video signals, comprising: buffers (10, 11) for buffering data as a phase difference of 90 ° with respect to a subcarrier frequency (fsc) as a digital color signal as an input; 12, 13, and latches 30.31.40, 41 for alternately outputting the outputs of the buffers 10, 11, 12, 13 to 2fsc, and the buffers 10, 11, 12 with a clock of 4fsc. And a pulse generator (100) for providing timing control pulses of the latches (30.31.40, 41). 제1항에 있어서, 상기 버퍼(11.13)의 출력단에 데이타의 보수처리를 위한 보수회로를 구성함을 특징으로 하는 디지탈 복조기용 데이타 셀렉터 장치.The digital demodulator data selector device according to claim 1, wherein a repair circuit for repairing data is configured at an output of said buffer (11.13). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890015766A 1989-10-31 1989-10-31 Colon signal discriminator for ntsc system KR950007928B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890015766A KR950007928B1 (en) 1989-10-31 1989-10-31 Colon signal discriminator for ntsc system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890015766A KR950007928B1 (en) 1989-10-31 1989-10-31 Colon signal discriminator for ntsc system

Publications (2)

Publication Number Publication Date
KR910009101A true KR910009101A (en) 1991-05-31
KR950007928B1 KR950007928B1 (en) 1995-07-21

Family

ID=19291234

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890015766A KR950007928B1 (en) 1989-10-31 1989-10-31 Colon signal discriminator for ntsc system

Country Status (1)

Country Link
KR (1) KR950007928B1 (en)

Also Published As

Publication number Publication date
KR950007928B1 (en) 1995-07-21

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