KR100258562B1 - Apparatus for image pickup/display in multimedia system - Google Patents

Apparatus for image pickup/display in multimedia system Download PDF

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Publication number
KR100258562B1
KR100258562B1 KR1019970074290A KR19970074290A KR100258562B1 KR 100258562 B1 KR100258562 B1 KR 100258562B1 KR 1019970074290 A KR1019970074290 A KR 1019970074290A KR 19970074290 A KR19970074290 A KR 19970074290A KR 100258562 B1 KR100258562 B1 KR 100258562B1
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South Korea
Prior art keywords
image
panel
display
multimedia system
imaging
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KR1019970074290A
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Korean (ko)
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KR19990054469A (en
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백대환
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김덕중
사단법인고등기술연구원연구조합
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/142—Constructional details of the terminal equipment, e.g. arrangements of the camera and the display
    • H04N7/144—Constructional details of the terminal equipment, e.g. arrangements of the camera and the display camera and display on the same optical axis, e.g. optically multiplexing the camera and display for eye to eye contact
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/16—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
    • G09G3/18—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source using liquid crystals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

PURPOSE: An image pick-up/displaying apparatus of a multimedia system is to simultaneously realize both a display function and image pick-up function at the panel. CONSTITUTION: In a panel(6), a plurality of image pick-up devices are respectively aligned among a plurality of image display devices aligned in the form of a matrix to display an image on the panel. A driving portion(12) drives each image display device on the panel to display a desired image. An amplifying portion(14) amplifies an image signal on the panel to be used at a next stage. The image display device is an LCD(liquid crystal display). The image pick-up device is a CCD(charge coupled device). Therefore, the desired image is displayed on the panel and, at the same time, an image of a user is picked-up by the CCD in the panel, thereby improving quality of a picture communication and simplifying the hardware structure of the apparatus.

Description

멀티미디어 시스템의 촬상/디스플레이 장치Image capture / display device of multimedia system

본 발명은 멀티미디어 시스템(multimedia system)의 촬상/디스플레이(image pickup/display) 장치에 관한 것으로서, 특히 멀티미디어 시스템에 있어서 디스플레이 기능이 있는 패널(panel)에 촬상 기능을 부가시킨 멀티미디어 시스템의 촬상/디스플레이 장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image pickup / display device of a multimedia system, and more particularly, to an image pickup / display device of a multimedia system in which an imaging function is added to a panel having a display function in a multimedia system. It is about.

이와 관련하여, 종래의 음성 통화만 가능했던 통신 단말기에서 현재에는 멀티미디어 시대로 들어서면서 음성/동영상 동시 통신이 가능한 기기로 관심도가 급상승하고 있다.In this regard, interest has been rapidly increasing from the communication terminal, which was capable of only a conventional voice call, to a device capable of simultaneous voice / video communication as it enters the multimedia era.

즉, 화상 통신을 할 경우 서로 상대방의 얼굴을 보면서 통화할 수 있으며, 이를 응용하여 화상 회의 등의 기술도 실현되고 있는 것이다.That is, in the case of video communication, a call can be made while looking at each other's faces, and technology such as video conferencing has been realized by applying this.

도 1은 종래의 기술에 따른 멀티미디어 시스템의 촬상/디스플레이 장치의 일 실시 예를 나타낸 개략도로, 사용자는 모니터(monitor)(2) 및 음성 송·수신 장치(도면 중에 도시되지 않음)를 통해 상대방의 얼굴을 보면서 상대방과 통화하도록할 수 있다.1 is a schematic view showing an embodiment of an image capture / display apparatus of a multimedia system according to the prior art, wherein a user may use a monitor 2 and a voice transmitter / receiver (not shown) to You can talk to the other party while looking at your face.

이때, 모니터(2)의 위(또는 옆)에 설정된 카메라(4)는 CCD(Charged Coupled Device, 고체 촬상 소자)를 이용해서 사용자의 얼굴을 촬상하여 설정된 통신 시스템을 통해 상대방의 통신 시스템으로 전송함으로써 상대방도 화상 통신하도록 할 수 있는 것이다.At this time, the camera 4 set on (or side) of the monitor 2 captures the user's face using a CCD (Charged Coupled Device) and transmits it to the communication system of the other party through the established communication system. The other party can also make video communication.

그러나, 이와 같은 종래의 기술에 있어서는 사람 시선이 "B"와 같이 모니터(2)를 향하기 때문에 이와 같은 사람을 모니터(2) 상의 카메라(4)가 "A"와 같은 카메라 시선으로 촬상함으로써 사용자 및 상대방의 모니터에 디스플레이되는 상대방의 얼굴을 보면 시선이 아래를 향하게 되므로 서로 마주보는 느낌이 작아지는 결점이 있었다.However, in this conventional technique, since the human eye is directed toward the monitor 2 as "B", the user and the camera 4 on the monitor 2 capture the user with the camera eye such as "A". When looking at the other person's face displayed on the other party's monitor, the gaze is turned downward, so the feeling of facing each other is reduced.

본 발명은 상술한 결점을 개선하기 위하여 안출한 것으로서, 멀티미디어 시스템에 있어서 패널에 영상 표시 소자 및 촬상 소자를 적절하게 배열하여 그 패널에 디스플레이 기능 및 촬상 기능을 동시에 실현할 수 있는 멀티미디어 시스템의 촬상/디스플레이 장치를 제공하는 데 그 목적이 있다.DISCLOSURE OF THE INVENTION The present invention has been made to solve the above-described drawbacks, and the imaging / display of a multimedia system in which a video display device and an imaging device can be appropriately arranged on a panel in a multimedia system to simultaneously realize a display function and an imaging function on the panel. The object is to provide a device.

이와 같은 목적을 달성하기 위한 본 발명은 매트릭스(matrix, 행렬) 형태로 배열된 다수의 영상 표시 소자 사이에 다수의 촬상 소자가 각각 배열되어 영상 표시 및 촬상을 동시에 수행하는 패널과, 상기 패널 상의 각 영상 표시 소자를 구동시켜 원하는 영상이 디스플레이되도록하는 구동부와, 상기 패널 상의 각 촬상 소자의 촬상 신호를 증폭시켜 다음단에서 사용할 수 있도록하는 증폭부를 포함하여 이루어지는 것을 특징으로 한다.In order to achieve the above object, the present invention provides a panel in which a plurality of imaging elements are arranged between a plurality of image display elements arranged in a matrix form to simultaneously perform image display and imaging. And a driver for driving the image display device to display a desired image, and an amplifier for amplifying the imaging signal of each image pickup device on the panel so as to be used in the next stage.

도 1은 종래의 기술에 따른 멀티미디어 시스템의 촬상/디스플레이 장치의 일 실시 예를 나타낸 개략도,1 is a schematic diagram showing an embodiment of an image pickup / display apparatus of a multimedia system according to the related art;

도 2는 본 발명에 따른 멀티미디어 시스템의 촬상/디스플레이 장치가 적용될 수 있는 일 실시 예를 나타낸 개략도,2 is a schematic diagram illustrating an embodiment to which an imaging / display device of a multimedia system according to the present invention may be applied;

도 3은 도 2에 따른 멀티미디어 시스템의 촬상/디스플레이 장치의 일 실시 예를 나타낸 개략도.3 is a schematic diagram showing an embodiment of an image capture / display device of a multimedia system according to FIG. 2;

〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

6 : 패널 12 : 구동부6 panel 12 drive unit

14 : 증폭부14: amplification unit

이하, 상술한 목적을 달성하기 위한 본 발명의 실시 예를 상세히 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention for achieving the above object in detail.

도 2는 본 발명에 따른 멀티미디어 시스템의 촬상/디스플레이 장치가 적용될 수 있는 일 실시 예를 나타낸 개략도로, 촬상 소자와 영상 표시 소자가 고루 섞여 있는 패널(6)을 사용하여 원하는 영상을 디스플레이하는 동시에 사용자의 얼굴을 촬상함으로써 "D"와 같은 사람 시선 및 "C"와 같은 카메라 시선은 사용자와 패널(6) 사이에서 정면을 향하고 있다.Fig. 2 is a schematic diagram showing an embodiment to which an image capturing / display device of a multimedia system according to the present invention can be applied. The user can simultaneously display a desired image using a panel 6 having a mixture of image capturing elements and image display elements. The person's gaze, such as "D", and the camera gaze, such as "C", are directed to the front between the user and the panel 6 by capturing the face of.

이와 같이 이루어지는 본 발명을 도 3을 참조하여 보면 다음과 같다.Referring to Figure 3 the present invention made as described above is as follows.

도 3은 도 2에 따른 멀티미디어 시스템의 촬상/디스플레이 장치의 일 실시 예를 나타낸 개략도로, 패널(6)은 매트릭스 형태로 배열된 다수의 영상 표시 소자(Liquid Crystal Display; LCD, 액정 표시 소자) 사이에 다수의 촬상 소자(CCD, 고체 촬상 소자)가 각각 배열되어 영상 표시 소자를 통해 구동부(12)의 신호에 따른 영상을 표시하고 촬상 소자를 통해 정면의 화상을 촬상하는 것을 동시에 수행한다.3 is a schematic view showing an embodiment of an imaging / display apparatus of a multimedia system according to FIG. 2, wherein the panel 6 is arranged between a plurality of liquid crystal displays (LCDs) arranged in a matrix form. A plurality of imaging elements (CCDs, solid-state imaging elements) are arranged in the display to display an image according to the signal of the driving unit 12 through the image display element and simultaneously capture an image of the front side through the imaging element.

즉, 구동부(12)는 입력되는 영상 신호에 따라 상기 패널(6) 상의 각 영상 표시 소자를 구동시켜 원하는 영상이 패널(6) 상에서 각 영상 표시 소자에 의하여 디스플레이되도록하며, 증폭부(14)는 상기 패널(6) 상의 각 촬상 소자의 촬상 신호를 증폭시켜 다음단에서 사용할 수 있도록한다.That is, the driver 12 drives each image display element on the panel 6 according to the input image signal so that a desired image is displayed by each image display element on the panel 6, and the amplifier 14 The imaging signal of each imaging device on the panel 6 is amplified so that it can be used in the next stage.

이상에서 설명한 바와 같이 본 발명은 멀티미디어 시스템에 있어서 패널(6)에 영상 표시 소자 및 촬상 소자를 적절하게 배열하여 그 패널(6)에서 디스플레이 기능 및 촬상 기능을 동시에 실현할 수 있도록함으로써 별도의 카메라 없이 서로 상대방의 얼굴을 정면으로 보면서 화상 통신을 실현할 수 있으므로 화상 통신의 질이 향상되고 그 화상 통신을 위한 하드웨어적(hardware)인 장치가 간편해 지는 효과가 있다.As described above, in the multimedia system, the present invention provides an arrangement of the image display element and the image pickup device on the panel 6 so that the display function and the image pickup function can be simultaneously realized on the panel 6 without a separate camera. Since the video communication can be realized while facing the other party's face, the quality of the video communication is improved and the hardware device for the video communication is simplified.

Claims (3)

화상 통신 멀티미디어 시스템에 있어서:In a video communication multimedia system: 매트릭스(matrix, 행렬) 형태로 배열된 다수의 영상 표시 소자 사이에 다수의 촬상 소자가 각각 배열되어 영상 표시 및 촬상을 동시에 수행하는 패널;A plurality of imaging elements arranged between a plurality of image display elements arranged in a matrix form to simultaneously perform image display and imaging; 상기 패널 상의 각 영상 표시 소자를 구동시켜 원하는 영상이 디스플레이되도록하는 구동부;A driver for driving each image display element on the panel to display a desired image; 상기 패널 상의 각 촬상 소자의 촬상 신호를 증폭시켜 다음단에서 사용할 수 있도록하는 증폭부를 포함하는 멀티미디어 시스템의 촬상/디스플레이 장치.And an amplifier for amplifying an image pickup signal of each image pickup device on the panel to be used in the next stage. 제 1 항에 있어서,The method of claim 1, 상기 영상 표시 소자는, 액정 표시 소자(LCD)임을 특징으로 하는 멀티미디어 시스템의 촬상/디스플레이 장치.The image display device is a liquid crystal display device (LCD), the image pickup / display device of the multimedia system. 제 1 항에 있어서,The method of claim 1, 상기 촬상 소자는, 고체 촬상 소자(CCD)임을 특징으로 하는 멀티미디어 시스템의 촬상/디스플레이 장치.And the imaging device is a solid-state imaging device (CCD).
KR1019970074290A 1997-12-26 1997-12-26 Apparatus for image pickup/display in multimedia system KR100258562B1 (en)

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