KR910004002A - Scanning line interpolation circuit with peaking circuit - Google Patents

Scanning line interpolation circuit with peaking circuit Download PDF

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Publication number
KR910004002A
KR910004002A KR1019890009490A KR890009490A KR910004002A KR 910004002 A KR910004002 A KR 910004002A KR 1019890009490 A KR1019890009490 A KR 1019890009490A KR 890009490 A KR890009490 A KR 890009490A KR 910004002 A KR910004002 A KR 910004002A
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KR
South Korea
Prior art keywords
output signal
signal
mixer
delay unit
peaking
Prior art date
Application number
KR1019890009490A
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Korean (ko)
Inventor
김성봉
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 KR1019890009490A priority Critical patent/KR910004002A/en
Publication of KR910004002A publication Critical patent/KR910004002A/en

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Abstract

내용 없음.No content.

Description

피킹회로가 부가된 주사선 보간회로Scanning line interpolation circuit with peaking circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 회로도,1 is a circuit diagram of the present invention,

제2도는 본 발명에 따른 수평 밴드 패스필터 및 주파수응답 특성도.2 is a horizontal band pass filter and a frequency response characteristic diagram according to the present invention.

Claims (2)

텔레비젼의 화질을 개선하는 회로에 있어서, 휘도신호를 1H지연하는 제1지연기(10)와, 상기 휘도신호와 상기 제1지연기(10)의 출력신호를 연산하는 제1연산수단과, 상기 제1지연기(10)의 출력신호를 262H지연하는 제2지연기(13)와, 상기 제2지연기(l3) 및 제1연산수단의 출력신호를 믹스하는 믹서(14)와, 상기 믹서(14)의 출력신호를 1H지연하는 제2지연기(15)와, 상기 제2지연기(15)의 출력신호와 상기 믹서(14)의 출력신호를 연산하여 다시 제1지연기(10)의 출력신호와 연산하는 제2연산수단과, 상기 제2연산 수단의 출력신호를 고립점을 제거하기 위해 필터링하여 피킹신호 성분의 크기를 제어하는 제l레벨변화 수단과, 상기 제1지연기(10)의 출력신호 및 이 제1지연기(10)의 출력신호를 수평밴드 패스 필터링한 고주파 성분 피킹신호 및 수평밴드 패스 필터링한 고주파 성분 피킹신호를 합하여 피킹된 신호를 발생하는 제1합성수단과, 상기 제1연산수단의 출력신호와 믹서(14)의 출력신호를 감산하는 제2감산기(23)와, 상기 제2감산기(23)의 출력신호를 필터링하여 피킹신호 성분의 크기를 제어하는 제2레벨변화 수단과, 상기 믹서(14)의 출력신호 및 이 믹서(14)의 출력신호를 수직밴드 패스 필터링한 고주파성분 피킹신호와 수평밴드 패스 필터링한 고주파 성분 피킹신호를 합하여 피킹된 신호를 발생하는 제2합성수단과, 클럭 신호에 따라 상기 제1.2합성수단의 출력 신호를 스위칭하는 스위치(SW)로 구성함을 특징으로 하는 피킹회로가 부가된 주사선 보간회로.A circuit for improving the image quality of a television, comprising: a first delay unit (10) for delaying a luminance signal by 1H, first calculating means for calculating the luminance signal and an output signal of the first delay unit (10), and A second mixer 13 for delaying the output signal of the first delayer 10 by 262H, a mixer 14 for mixing the output signals of the second delayer l3 and the first calculating means, and the mixer A second delay unit 15 for delaying the output signal of (14) by 1H, an output signal of the second delay unit 15, and an output signal of the mixer 14, and then the first delay unit 10; Second calculating means for calculating the output signal of the first operating means, first level changing means for controlling the magnitude of the peaking signal component by filtering the output signal of the second calculating means to remove the isolation point, and the first delay unit ( A high frequency component peaking signal obtained by horizontal band pass filtering the output signal of 10) and the output signal of the first delay unit 10 and a high frequency filtered horizontal band pass A first synthesis means for generating the picked signal by adding the minute peaking signals, a second subtractor 23 for subtracting the output signal of the first calculation means and the output signal of the mixer 14, and the second subtractor 23 A second level change means for controlling the magnitude of the peaking signal component by filtering the output signal of the present invention, a high frequency component peaking signal obtained by vertical band pass filtering the output signal of the mixer 14 and the output signal of the mixer 14; A second synthesis means for generating a peaked signal by summing the horizontal band pass filtered high frequency component peaking signals, and a switch SW for switching an output signal of the 1.2 synthesis means according to a clock signal. Scanning line interpolation circuit with an additional circuit. 제1항에 있어서, 제2연산수단이 믹서(14)의 출력신호와 제3지연기(15)의 출력신호를 합하는 제2가산기(16)와, 상기 제2가산기(l6)의 출력신호를 1/2곱하는 제2승산기(17)와, 상기 제2승산기(17)의 출력신호와 제1지연기(10)의 출력신호를 감산하는데 제1감산기(18)로 구성함을 특징으로 하는 피킹회로가 부가된 주사선 보간회로.2. A second adder (16) according to claim 1, characterized in that the second calculation means comprises a second adder (16) which sums the output signal of the mixer (14) and the output signal of the third delayer (15) and the output signal of the second adder (l6). Picking, characterized in that the first multiplier (18) to subtract the second multiplier (17) multiplied by 1/2, the output signal of the second multiplier (17) and the output signal of the first delay unit (10) Scanning line interpolation circuit with an additional circuit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890009490A 1989-07-04 1989-07-04 Scanning line interpolation circuit with peaking circuit KR910004002A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890009490A KR910004002A (en) 1989-07-04 1989-07-04 Scanning line interpolation circuit with peaking circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890009490A KR910004002A (en) 1989-07-04 1989-07-04 Scanning line interpolation circuit with peaking circuit

Publications (1)

Publication Number Publication Date
KR910004002A true KR910004002A (en) 1991-02-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890009490A KR910004002A (en) 1989-07-04 1989-07-04 Scanning line interpolation circuit with peaking circuit

Country Status (1)

Country Link
KR (1) KR910004002A (en)

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