KR960033097A - Widescreen TV Display Unit - Google Patents

Widescreen TV Display Unit Download PDF

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Publication number
KR960033097A
KR960033097A KR1019950002490A KR19950002490A KR960033097A KR 960033097 A KR960033097 A KR 960033097A KR 1019950002490 A KR1019950002490 A KR 1019950002490A KR 19950002490 A KR19950002490 A KR 19950002490A KR 960033097 A KR960033097 A KR 960033097A
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KR
South Korea
Prior art keywords
signal
dual
line
screen
clock
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KR1019950002490A
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Korean (ko)
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KR0174301B1 (en
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강경진
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구자홍
Lg 전자 주식회사
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Priority to KR1019950002490A priority Critical patent/KR0174301B1/en
Priority to CN96101375A priority patent/CN1096792C/en
Publication of KR960033097A publication Critical patent/KR960033097A/en
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Publication of KR0174301B1 publication Critical patent/KR0174301B1/en

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    • 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
    • H04N7/012—Conversion between an interlaced and a progressive signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/44504—Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Graphics (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Studio Circuits (AREA)
  • Television Systems (AREA)

Abstract

본 발명은 화면비 변환(ARC: Aspect Ratio Converter)기능중 줌(Zoom)기능을 이용하여 한 시스템내에서 화면비 변환과 이중화면 표시를 동시에 수행할 수 있도록 광폭 티브이의 이중화면 발생장치에 관한 것으로, 종래의 이중화면 발생장치는 좌.우화면을 분리하여 이중화면이 되도록 하지만 이는 화면비 변환 기능을 수행하지 못하고, 시스템이 복작한 문제점이 있었다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a widescreen TV dual-screen generating apparatus capable of simultaneously performing aspect ratio conversion and dual screen display in a system using a zoom function of an aspect ratio converter (ARC) function. The dual screen generation device of the left and right screen to be a dual screen, but this does not perform the aspect ratio conversion function, there was a problem that the system is complex.

본 발명은 이와 같은 종래 문제점을 해결하기 위하여 화면비 변환의 줌기능을 이용하여 주사선수를 줌모드의 1/2로 처리하여 한 시스템내에서 화면비 변환과 이중화면 표시를 동시에 수행할 수 있도록 한 것으로 광폭티브이에 적용한다.The present invention is to solve the conventional problem by using the zoom function of the aspect ratio conversion to process the scanning player to 1/2 of the zoom mode to perform the aspect ratio conversion and dual screen display simultaneously in a system Apply to TV.

Description

광콕 티브이의 이중화면 발생장치Guangcock TV's dual screen generator

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

제3도는 본 발명 광폭 티브이의 이중화면 발생장치 블럭도3 is a block diagram of a dual screen generator of the present invention.

제4도는 본 발명 이중화면 발생장치를 보인 다른 실시예4 is another embodiment showing a dual-screen generating device of the present invention

제5도의 (가)∼(라)는 본 발명에 의한 이중화면 구성도(A) to (d) of FIG. 5 are dual screen configuration diagrams according to the present invention.

Claims (6)

제1영상신호와 제2영상신호에 주사선을 내삽하는 줌수단과, 상기 줌수단에서 출력된 신호를 이용하여 영상신호는 수직, 수평축으로 2:1 부간하여 이중화면을 재생시키는 이중화면 재생수단과, 상기 이중화면 재생수단에서 이중화면 재생시 필요한 클럭을 공급하는 클럭발생수단과, 클럭발생수단에서 공급된 라이트 클럭신호를 입력받아 이중화면 재생 수단내에서 수평영상신호가 보간되게 어드레스 신호를 출력하는 수평보간수단과, 상기 줌수단에서 출력된 주사선이 내삽된 영상신호와 이중화면 영상신호를 스위칭 선택 출력시키는 영상신호 선택수단으로 구성된 광폭 티브이의 이중화면 발생장치.Zoom means for interpolating scan lines to the first video signal and the second video signal, and dual-screen playback means for reproducing a dual screen by 2: 1 copying the video signal on a vertical and horizontal axis by using the signal output from the zoom means; And a clock generating means for supplying a clock necessary for reproducing the dual screen by the dual screen reproducing unit, and a write clock signal supplied from the clock generating means, and outputting an address signal such that a horizontal image signal is interpolated in the dual screen reproducing means. And a video signal selecting means for switching and outputting a video signal interleaved with a scanning line output from the zoom means and a dual screen video signal. 제1항에 있어서, 줌수단은 입력된 제1영상신호를 디지털 신호로 변환시키는 A/D 변환기 (30)와, 디지털 변환출력된 영상신호를 저장하는 필드메모리(31)와, 상기 필드메모리(31)에서 4라인마다 1라인씩 지연출력된 영상신호를 저장하는 제1, 제2라인메모리(32)(33)와, 상기 제1라인메모리(32)에서 출력되는 데이타의 계수(k)값을 연산하는 제1연산기(34)와, 제2라인메모리(33)에서 출력되는 데이타의 계수값을 연산하는 제2연산기(35)와, 상기 연산기(34)(35)에서 연산출력된 계수값을 합산하여 주사선이 내삽된 제1영상신호를 출력하는 덧셈기(36)가 구비된 제1줌수단과, 입력된 제2영상신호를 디지털 신호로 변환시키는 A/D변환기(30A)와, 디지털 변환 출력된 영상신호를 저장하는 필드메모리(31A)와, 상기 필드메모리(31A)에서 4라인마다 1라인씩 지연출력된 영상신호를 저장하는 제3, 제4라인메모리(32A)(33A)와, 상기 제3, 제4라인메모리(32A)(33A)에서 출력되는 데이타의 계수값을 연산하는 제3, 제4연산기(34A)(35A)와, 상기 연산기(34A)(35A)에서 연산출력된 계수값을 합산하여 주사선이 내삽된 제2영상신호를 출력하는 덧셈기(36A)가 구비된 제2줌수단인 것을 특징으로하는 한 광폭 티브이의 이중화면 발생장치.The digital camera according to claim 1, wherein the zoom means includes: an A / D converter (30) for converting the input first video signal into a digital signal, a field memory (31) for storing the digital converted output video signal, and the field memory ( 31, the first and second line memories 32 and 33 storing the video signals delayed by one line every four lines, and the coefficient k value of the data output from the first line memory 32. A first operator 34 for calculating a function, a second operator 35 for calculating a coefficient value of data output from the second line memory 33, and a coefficient value calculated and output by the calculators 34 and 35. A first zoom means having an adder 36 for outputting a first image signal interpolated by the scan lines, an A / D converter 30A for converting the input second image signal into a digital signal, and digital conversion. A field memory 31A for storing the output video signal and a video signal delayed by one line every four lines in the field memory 31A Third and fourth operator 34A and 33A for calculating the coefficient values of the data output from the third and fourth line memories 32A and 33A and the third and fourth line memories 32A and 33A. And a second zoom means having an adder 36A for outputting a second image signal interpolated with the scan line by summing 35A) and the coefficient values calculated by the calculators 34A and 35A. TV dual screen generator. 제1항에 있어서, 클럭발생수단은 입력된 제1영상신호에서 분리된 수평동기신호를 입력받아 수평주파수의 910fH 라이트클럭(WR)을 발생시키는 플럭발생기(38)와, 클럭발생기(38)에서 발생한 910fH 라이트클럭을 2체배하여 1820fH 리드클럭(RD)을 출력시키는 2체배 클럭발생기(39)와, 상기 수평동기신호를 입력받아 리드/라이트 신호를 출력하는 T플립플롭(40)으로 구성된 것을 특징으로 한 광폭 티브이의 이중화면 발생장치.The clock generator (38) according to claim 1, wherein the clock generating means (100) receives a horizontal synchronous signal separated from the input first image signal and generates a 910fH light clock (WR) having a horizontal frequency. A multiply clock generator 39 for outputting a 1820fH lead clock RD by multiplying the generated 910fH light clock by 2 times, and a T flip-flop 40 for receiving the horizontal synchronization signal and outputting a read / write signal. Widescreen dual-screen generator. 제1항에 있어서, 이중화면 재생수단은 주사선이 내삽된 제1영신호를 저장하여 이중화면으로 만들기 위한 제5라인메모리(42)와, 상기 제1영상신호와 수평/수직동기가 맞추어진 제2영상신호를 저장하여 이중화면으로 만들기 위한 제6라인메모리(42A)와, 상기 2체배 클럭발생기(39)에서 출력된 리드클럭신호에 의해 제5,제6 라인메모리(42)(42A)에 저장된 영상신호를 프레임 메모리(43)에 저장되게 번갈아가면서 스위칭 선택하는 선택스위치(SW10)와, 상기 스위칭 선택된 영상신호를 저장하여 이중화면으로 구성한 후 출력시키는 프레임 메모리(43)로 구성된 것을 특징으로 한 광폭 티브이의 이중화면 발생장치.2. The dual screen reproducing means according to claim 1, further comprising: a fifth line memory (42) for storing a first zero signal interpolated with a scanning line to make a dual screen, and a first image signal and a horizontal / vertical synchronizer. The sixth line memory 42A for storing two image signals to make a dual screen, and the fifth and sixth line memories 42 and 42A by a read clock signal output from the multiplication clock generator 39. And a selection switch (SW10) for alternately switching the stored video signals to be stored in the frame memory (43), and a frame memory (43) for storing the switched selected video signals in a dual screen and outputting them. Widescreen dual-screen generator. 제1항에 있어서, 영상신호 선택수단은 주사선이 내삽된 제1, 제2영상신호 및 이중화면 영상신호를 스위칭 선택하는 영상선택 스위치(SW12)와, 영상선택 스위치(SW12)에서 스위칭 출력된 영상신호를 아날로그 영상신호로 변환출력시키는 D/A변환기(46)로 구성된 것을 특징으로 한 광폭 티브이의 이중화면 발생장치.The image signal selection means of claim 1, wherein the image signal selection means comprises: an image selection switch SW12 for switching selection of the first and second image signals and a dual screen image signal interpolated with the scanning lines, and an image switched and output by the image selection switch SW12. Wide TV dual-screen generator, characterized in that consisting of a D / A converter (46) for converting the signal into an analog video signal. 제1항에 있어서, 이중화면 재생수단은910fH 수평주파수를 입력받아 리드 및 라이트 어드레스를 카운트하는 어드레스 카운터기(50)와, 카운트 출력된 리드어드레스를 2배로 증폭출력시키는 어드레스 증폭기(51)와, 상기 카운트 출력된 라이트 어드레스와 2배로 증폭출력된 리드어드레스를 선택적으로 2라인메모리(54)(54A)에 전달하는 멀티플렉서(52)(52A)와, 수평동기신호를 입력받아 주사선이 내삽된 제1, 제2영상신호를 번갈아 가면서 스위칭하도록 선택스위칭(SW)를 제어하는 T플립플롭(53)과, 상기 T플립플롭(53)의 선택신호에 의해 멀티플렉서(52)(52A)에 리드/라이트 선택신호를 전달하는 T플립폴롭(53A)과, 선택스위치(SW)의 스위칭 신호에 의해 번갈아가며 스위칭 선택된 제1, 제2영상신호를 저장하는 2라인메모리(54)(54A)와, 상기 2라인메모리(54)에 저장된 영상신호를 이중화면으로 구성하여 출력시키는 프레임 메모리(55)와, 입력된 수평동기신호에 의해 프레임 메모리(55)에 저장된 영상화면서 주사선을 카운트하는 주사선 카운터(56)로 구성하여 회소수를1/2로 줄이지 않고 이중화면 영상이 재생되도록 한 것을 특징으로 한 광폭 티브이의 이중화면 발생장치.2. The dual screen reproducing means according to claim 1, further comprising: an address counter 50 for receiving a 910 fH horizontal frequency and counting read and write addresses; an address amplifier 51 for amplifying and outputting the counted read addresses twice; Multiplexers 52 and 52A for selectively transferring the counted write addresses and the doubled amplified output leads to the two-line memories 54 and 54A, and first and second scan lines interpolated by receiving horizontal synchronization signals. A read / write select signal to the multiplexers 52 and 52A by a T flip-flop 53 for controlling the selection switching SW to alternately switch the second video signal, and a select signal of the T flip-flop 53. A T flip-flop 53A for transmitting a second line, two-line memory 54 and 54A for storing switching first and second video signals alternately selected by a switching signal of a selection switch SW, and the two-line memory. Video scene stored in 54 Frame memory 55 for outputting a dual screen, and a scan line counter 56 for counting scan lines by imaging stored in the frame memory 55 according to the input horizontal synchronization signal. Widescreen TV dual-screen generator, characterized in that the dual-screen video to be played back without reducing. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950002490A 1995-02-10 1995-02-10 Double screen apparatus of wide tv KR0174301B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019950002490A KR0174301B1 (en) 1995-02-10 1995-02-10 Double screen apparatus of wide tv
CN96101375A CN1096792C (en) 1995-02-10 1996-02-08 Double picture producing apparatus for wide screen television

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Application Number Priority Date Filing Date Title
KR1019950002490A KR0174301B1 (en) 1995-02-10 1995-02-10 Double screen apparatus of wide tv

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KR960033097A true KR960033097A (en) 1996-09-17
KR0174301B1 KR0174301B1 (en) 1999-03-20

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CN107454283B (en) * 2016-06-01 2020-12-01 联发科技股份有限公司 Video signal output system and method

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CN1135695A (en) 1996-11-13
CN1096792C (en) 2002-12-18

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