KR960028382A - TV system aspect converter - Google Patents

TV system aspect converter Download PDF

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Publication number
KR960028382A
KR960028382A KR1019940033155A KR19940033155A KR960028382A KR 960028382 A KR960028382 A KR 960028382A KR 1019940033155 A KR1019940033155 A KR 1019940033155A KR 19940033155 A KR19940033155 A KR 19940033155A KR 960028382 A KR960028382 A KR 960028382A
Authority
KR
South Korea
Prior art keywords
signal
aspect ratio
decoder
frequency luminance
watch
Prior art date
Application number
KR1019940033155A
Other languages
Korean (ko)
Other versions
KR100313994B1 (en
Inventor
김찬수
Original Assignee
구자홍
엘지전자 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 구자홍, 엘지전자 주식회사 filed Critical 구자홍
Priority to KR1019940033155A priority Critical patent/KR100313994B1/en
Publication of KR960028382A publication Critical patent/KR960028382A/en
Application granted granted Critical
Publication of KR100313994B1 publication Critical patent/KR100313994B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
    • H04N7/0122—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal the input and the output signals having different aspect ratios
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/12—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
    • H04N11/14—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
    • H04N11/146—Decoding means therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter

Landscapes

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

Abstract

본 발명은 티브이 시스템의 화면비 변환 장치에 관한 것으로, 일반적인 4:3 티브이 시스템에서는 16:9티브이 신호를 처리하지 못하게 회로가 구성되어 있으므로 4:3티브이 시스템을 가진 사용자는 16:9티브이 방송을 시청하지 못하고 불편함이 있었다. 이러한 불편함을 개선하기 위하여 본 발명은 전송단에서 16:9인지 4:3인지를 판별하는 신호를 보내줌으로써 화면비 변화 모드를 판별하면 16:9 티이브 신호를 수직 변환하여 4:3티브이 신호로 변환하므로써 4:3티브이 시스템에서 16:9티브이 방송을 시청하도록 창안한 것으로, 본 발명은 주사 방식 및 전송 신호를 판별하여 수직 방향으로 변환을 수행하므로써 화면비를 변환시킬 수 있어 기존의 4:3티브이 시스템에서도 16:9티브이 방송을 시청할 수 있다.The present invention relates to an aspect ratio conversion apparatus of a TV system. In a typical 4: 3 TV system, since a circuit is configured to prevent a 16: 9 TV from processing a signal, a user having a 4: 3 TV system can watch a 16: 9 TV broadcast. There was a discomfort. In order to solve this inconvenience, the present invention transmits a signal for determining whether the aspect ratio is 16: 9 or 4: 3, and vertically converts a 16: 9 tick signal to a 4: 3 tive signal when the aspect ratio change mode is determined. By converting, the 4: 3 TV is designed to watch a 16: 9 TV on the system, and the present invention can detect the scanning method and the transmission signal and convert the aspect ratio by performing the conversion in the vertical direction. The system can also watch 16: 9 broadcasts.

Description

티브이 시스템의 화면비 변환 장치TV system aspect converter

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

제1도는 본 발명의 화면비 변환 장치의 블럭도.1 is a block diagram of an aspect ratio conversion device of the present invention.

Claims (1)

전송된 복합 영상 신호(CVBS)를 복호하여 고역 휘도 신호(YB)를 추출하는 고역 휘도 디코더와, 전송된 복합 영상 신호(CVBS)를 복호하여 저역 휘도 신호(YL) 및 색차 신호(CB)(CR)를 추출하는 NTSC 디코더와, 이 NTSC디코더의 출력(YL)(CB)(CR)을 필터링하는 움직임 적응형 컬러 프러스 수단과. 이 움직임 적응형 컬러 프러스 수단의 출력(YL)(CB)(CR)및 상기 고역 휘도 디코더의 출력(YH)을 역으로 수직 변환하여 휘도 신호(Y)및 색차 신호(CB)(CR)를 출력하는 역수직 변환 수단으로 구성한 것을 특징으로 하는 티브이 시스템의 화면비 변환 장치.A high-frequency luminance decoder that decodes the transmitted composite image signal CVBS to extract the high-frequency luminance signal Y B , and a low-frequency luminance signal Y L and a color difference signal C B that decodes the transmitted composite image signal CVBS. NTSC decoder for extracting (C R ), and motion adaptive color prus means for filtering the output (Y L ) (C B ) (C R ) of this NTSC decoder. The output Y L (C B ) (C R ) of this motion-adaptive color prus means and the output Y H of the high-frequency luminance decoder are inverted vertically inverted to produce the luminance signal Y and the color difference signal C B. An aspect ratio conversion apparatus for a television system, characterized by comprising a reverse vertical conversion means for outputting (C R ). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940033155A 1994-12-07 1994-12-07 Device for changing screen ratio of television system KR100313994B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940033155A KR100313994B1 (en) 1994-12-07 1994-12-07 Device for changing screen ratio of television system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940033155A KR100313994B1 (en) 1994-12-07 1994-12-07 Device for changing screen ratio of television system

Publications (2)

Publication Number Publication Date
KR960028382A true KR960028382A (en) 1996-07-22
KR100313994B1 KR100313994B1 (en) 2001-12-28

Family

ID=37531365

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940033155A KR100313994B1 (en) 1994-12-07 1994-12-07 Device for changing screen ratio of television system

Country Status (1)

Country Link
KR (1) KR100313994B1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5191417A (en) * 1988-09-02 1993-03-02 North American Philips Corporation Compatible EDTV system providing multi-aspect ratio display on EDTV and conventional television receivers
DE3930964A1 (en) * 1989-09-15 1991-03-28 Thomson Brandt Gmbh TELEVISION TRANSMISSION SYSTEM
US5298994A (en) * 1990-05-09 1994-03-29 Kabushiki Kaisha Toshiba Television signal converter for converting high definition television (HDTV) signals to conventional television signals
JPH0514832A (en) * 1991-07-01 1993-01-22 Hitachi Ltd Television signal receiver
DE69222268T2 (en) * 1991-11-29 1998-04-09 Sanyo Electric Co Television receiver
JPH05292510A (en) * 1992-04-09 1993-11-05 Toshiba Corp Television set
JPH05347753A (en) * 1992-06-12 1993-12-27 Victor Co Of Japan Ltd Aspect ratio converting method
JPH06245155A (en) * 1993-02-19 1994-09-02 Sony Corp Monitor

Also Published As

Publication number Publication date
KR100313994B1 (en) 2001-12-28

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