KR960038476A - Image left and right, up and down reverse device and method - Google Patents

Image left and right, up and down reverse device and method Download PDF

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Publication number
KR960038476A
KR960038476A KR1019950009221A KR19950009221A KR960038476A KR 960038476 A KR960038476 A KR 960038476A KR 1019950009221 A KR1019950009221 A KR 1019950009221A KR 19950009221 A KR19950009221 A KR 19950009221A KR 960038476 A KR960038476 A KR 960038476A
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South Korea
Prior art keywords
data
counting means
image
address
address counting
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KR1019950009221A
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Korean (ko)
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KR0165219B1 (en
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서경렬
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이대원
삼성항공산업 주식회사
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Priority to KR1019950009221A priority Critical patent/KR0165219B1/en
Publication of KR960038476A publication Critical patent/KR960038476A/en
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Publication of KR0165219B1 publication Critical patent/KR0165219B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/173—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
    • H03K19/1733—Controllable logic circuits
    • H03K19/1737—Controllable logic circuits using multiplexers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Studio Circuits (AREA)
  • Color Television Image Signal Generators (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)

Abstract

본 발명은 화상 좌우, 상하 반전 장치에 관한 것으로, 상세하게는 디지털 신호처리방식을 채용하고 전자 줌 기능을 내장한 비디오 OHP(over head projection)의 화상 좌우, 상하 반전 장치에 관한 것이다. 즉 본 발명에 따른 화상 상하, 좌우 반전장치는 어드레스를 생성하는 수평 및 수직(H, V)어드레스 카운터부와, 이 어드레스를 할당하는 멀티플렉서부, 어드레스와 데이타를 받아 저장하는 메모리부 할당하는 멀티플렉서부, 어드레스와 데이타를 받아 저장하는 메모리부, 읽어낸 데이타를 D/A 변환기에 입력시키는 데이타 멀티플렉서부로 구성되어 메모리부에 저장된 영상 데이타를 그 어드레스를 이용하여 상하, 좌우 반전되게 재배열하는 전자적인 영상 신호 처리를 행함으로써, 기구적으로 CCD를 회전시켜 화상을 반전시키는 방법이 신뢰성 및 구조적인 결함을 발생시켰던 단점을 개선하여 신뢰성을 향상시키고, 기구 동작부가 없어짐으로 인해서 기구 설계 및 디자인의 자유도가 높아져서 고품질의 제품 설계가 가능하며, 또한 부가적인 기능으로 전자 줌 기능이 가능하여 제품 차별화가 가능한 효과가 있다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an image left and right and up and down inversion apparatus, and more particularly, to an image left and right and up and down inversion apparatus of a video OHP (over head projection) which employs a digital signal processing method and incorporates an electronic zoom function. In other words, the image up, down, left and right inverting apparatus according to the present invention includes a horizontal and vertical (H, V) address counter for generating an address, a multiplexer for allocating the address, and a multiplexer for allocating and storing an address and data. It consists of a memory unit that receives and stores the address and data, and a data multiplexer unit that inputs the read data to the D / A converter. The electronic image rearranges the image data stored in the memory unit upside down, left and right using the address. By performing the signal processing, the method of mechanically rotating the CCD to invert the image improves the disadvantages that caused the reliability and structural defects, thereby improving the reliability, and increasing the degree of freedom in designing and designing the instrument by eliminating the mechanism operation part. High quality product design and additional features To enable this function has the effect that product differentiation possible.

Description

화상 좌우, 상하 반전장치 및 방법Image left and right, up and down reverse device and method

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

Claims (5)

수평 방향의 화소 데이타 출력을 위한 어드레스를 생성하는 읽기용 수평 어드레스 카운트 수단 및 쓰기용 수평 어드레스 카운트 수단; 매 수직 주사선(1H 데이타)을 카운트하는 어드레스를 생성하는 읽기용 수직 어드레스 카운트 수단 및 쓰기용 수직 어드레스 카운트 수단; 상기 읽기용 및 쓰기용 수평 어드레스 카운트 수단과 상기 읽기용 및 쓰기용 수직 어드레스 카운트 수단으로 부터 인가받은 읽기용 및 쓰기용 어드레스를 매 필드 마다 바꾸어 전달하는 멀티플렉서들; 휘도 신호계인 Y신호계와 색신호계인 C신호계로 나뉘어 각각 1프레임 분의 기억능력을 가지고 1프레임 중 1필드씩 읽기용과 쓰기용으로 각 필터 마다 바꾸어 가며 명상 데이타 입출력을 행하는 메모리들; 매 필드 마다 위치가 바뀌어 출력되는 상기 메모리들의 1프레임 분의 영상 데이타들을 전달하는 데이타 멀티플렉서들; 상기 데이타 멀티플렉서들로부터 상기 매 필드 마다 위치가 바뀐 1프레임 분의 영상 데이타를 디지털/아날로그 변환하여 1프레임 분의 아날로그 영상 신호로 출력하여 주는 디지털/아날로그 변환기;를 구비하여 된 것을 특징으로 하는 화상 상하, 좌우 반전 장치.Reading horizontal address counting means and writing horizontal address counting means for generating an address for outputting pixel data in the horizontal direction; Reading vertical address counting means and writing vertical address counting means for generating an address for counting every vertical scanning line (1H data); Multiplexers for transferring the read and write addresses received from the read and write horizontal address counting means and the read and write vertical address counting means for each field; A memory for dividing into a Y signal system, which is a luminance signal system, and a C signal system, which is a color signal system, having memory capacity for one frame, and performing meditation data input / output by changing each filter for reading and writing for each field of one frame; Data multiplexers for conveying image data of one frame of the memories outputted by changing positions every field; And a digital / analog converter for digitally / analog converting image data of one frame whose position is changed in each field from the data multiplexers and outputting one frame of analog video signal. , Left and right reverse device. 제1항에 있어서, 상기 읽기용 및 쓰기용 수평 어드레스 카운트 수단 중 읽기용 수평 어드레스 카운트 수단은 좌우 반전 핀에 의하여 업/다운 카운터로 변환되고, 쓰기용 수평 어드레스 카운트 수단은 단순히 업 카운터로 동작하는 것을 특징으로 하는 화상 상하, 좌우 반전 장치.The read / write horizontal address counting means of the read and write horizontal address counting means is converted into an up / down counter by left and right inverting pins, and the write horizontal address counting means is simply operated as an up counter. Image up and down, left and right reversing apparatus, characterized in that. 제1항에 있어서, 상기 읽기용 및 쓰기용 수직 어드레스 카운트 수단중 읽기용 수직 어드레스 카운트 수단은 좌우 반전 핀에 의하여 업/다운 카운터로 변환되고, 쓰기용 수직 어드레스 카운트 수단은 단순히 업 카운터로 동작하는 것을 특징으로 하는 화상 상하, 좌우 반전 장치.2. The apparatus of claim 1, wherein the reading vertical address counting means of the reading and writing vertical address counting means is converted into an up / down counter by a left and right inverting pin, and the writing vertical address counting means is simply operated as an up counter. Image up and down, left and right reversing apparatus, characterized in that. 디지탈 신호로 변환된 영상 데이타를 소정의 블럭으로 어드레스를 지정하는 단계; 상기 블럭 단위로 어드레스가 지정된 영상 데이타를 상기 블럭 단위로 메모리에 저장하는 단계;Addressing video data converted into a digital signal to a predetermined block; Storing image data addressed in units of blocks in memory in units of blocks; 상기 저장된 블럭 단위의 영상 데이타를 상기 저장된 어드레스를 이용하여 상하 또는 좌우 또는 상하 및 좌우 반전시켜 전달하는 단계; 상기 상하, 좌우 반전된 블럭 단위의 영상 데이타를 디지털/아날로그 변환하여 아날로그 영상 신호로 출력하는 단계;를 포함하는 것을 특징으로 하는 화상 상하, 좌우 반전 방법.Transferring the image data in the unit of the stored block upside down or left and right or upside down and left and right using the stored address; And digitally / analog converting the image data in units of blocks inverted vertically and horizontally and outputting the analog data as an analog image signal. 제1항에 있어서, 상기 블록 단위의 영상 데이타는 1필드 단위의 영상 데이타인 것을 특징으로 하는 화상 상하, 좌우 반전 방법.The image up / down, left / right inversion method according to claim 1, wherein the video data in units of blocks is video data in units of one field.
KR1019950009221A 1995-04-19 1995-04-19 Image reverse apparatus and its method KR0165219B1 (en)

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KR1019950009221A KR0165219B1 (en) 1995-04-19 1995-04-19 Image reverse apparatus and its method

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KR1019950009221A KR0165219B1 (en) 1995-04-19 1995-04-19 Image reverse apparatus and its method

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KR960038476A true KR960038476A (en) 1996-11-21
KR0165219B1 KR0165219B1 (en) 1999-03-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100497519B1 (en) * 1997-11-24 2005-10-12 주식회사 엘지 How to display on the screen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100497519B1 (en) * 1997-11-24 2005-10-12 주식회사 엘지 How to display on the screen

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