KR960028515A - Display device for multi-party video conferencing system - Google Patents
Display device for multi-party video conferencing system Download PDFInfo
- Publication number
- KR960028515A KR960028515A KR1019940038169A KR19940038169A KR960028515A KR 960028515 A KR960028515 A KR 960028515A KR 1019940038169 A KR1019940038169 A KR 1019940038169A KR 19940038169 A KR19940038169 A KR 19940038169A KR 960028515 A KR960028515 A KR 960028515A
- Authority
- KR
- South Korea
- Prior art keywords
- frame
- buffers
- inputting
- common decoder
- decoder
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
- H04N7/152—Multipoint control units therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
본 발명은 다자간영상회의 시스템용 디스플레이장치에 관한 것으로, 영상 데이타를 입력하는 복수개의 버퍼(41)와; 상기버퍼들의 출력들을 입력하여 디코딩하여 공용 디코더(45); 상기 공용 디코더의 출력을 프레임단위로 저장하는 복수개의프레임 메모리(10-1, 10-2, 10-3, 10-6); 상기 각 프레임 메모리에 한 프레임의 영상 데이타가 차면 인터럽트를 각각 발생하는 복수개의 프레임 인터럽트부(20-1, 20-2, 20-3, 20-6); 및 상기 공용디코더의 출력을 입력하여 상기 복수개의 버퍼 및 상기 프레임메모리를 제어하는 시스템제어부(30)를 구비하여 전송로를 통해 ATM망으로부터 수신한 영상데이타를 입력하여 워크스테이션의 엑스-윈도우(X-window)를 이용하여 다수의 회의 상대방을 하나의 모니터로 디스플레이해 준다.The present invention relates to a display device for a multi-party video conferencing system, comprising: a plurality of buffers (41) for inputting image data; A common decoder 45 for inputting and decoding the outputs of the buffers; A plurality of frame memories (10-1, 10-2, 10-3, 10-6) for storing the output of the common decoder in units of frames; A plurality of frame interrupt units 20-1, 20-2, 20-3, and 20-6 for generating an interrupt when the image data of one frame is filled in each frame memory; And a system controller 30 which controls the plurality of buffers and the frame memory by inputting the output of the common decoder, and inputs image data received from an ATM network through a transmission path to receive an X-window (X) of a workstation. display multiple meeting parties on a single monitor.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제2도는 본 발명에 따른 영상회의 시스템용 디스플레이장치를 도시한 블럭도, 제3도는 제2도에 도시된 프레임 인터럽트부의 회로도이다.FIG. 2 is a block diagram showing a display apparatus for a videoconferencing system according to the present invention, and FIG. 3 is a circuit diagram of the frame interrupter shown in FIG.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940038169A KR100258233B1 (en) | 1994-12-28 | 1994-12-28 | Display device for video conference system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940038169A KR100258233B1 (en) | 1994-12-28 | 1994-12-28 | Display device for video conference system |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960028515A true KR960028515A (en) | 1996-07-22 |
KR100258233B1 KR100258233B1 (en) | 2000-06-01 |
Family
ID=19404441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940038169A KR100258233B1 (en) | 1994-12-28 | 1994-12-28 | Display device for video conference system |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100258233B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000060997A (en) * | 1999-03-22 | 2000-10-16 | 구자홍 | Method for assigning Frame Memory, then Frame Memory Structure |
KR20010112896A (en) * | 2001-10-31 | 2001-12-22 | (주)인디키노 | Data transmission method in video conferencing using multi buffering system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020089278A (en) * | 2002-11-06 | 2002-11-29 | 한홍규 | System for real time concurrent multi-connection electronic conference and method therefor |
-
1994
- 1994-12-28 KR KR1019940038169A patent/KR100258233B1/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000060997A (en) * | 1999-03-22 | 2000-10-16 | 구자홍 | Method for assigning Frame Memory, then Frame Memory Structure |
KR20010112896A (en) * | 2001-10-31 | 2001-12-22 | (주)인디키노 | Data transmission method in video conferencing using multi buffering system |
Also Published As
Publication number | Publication date |
---|---|
KR100258233B1 (en) | 2000-06-01 |
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