KR100405656B1 - 영상통신 단말기의 계층적 메모리 액세스 제어장치 - Google Patents
영상통신 단말기의 계층적 메모리 액세스 제어장치 Download PDFInfo
- Publication number
- KR100405656B1 KR100405656B1 KR10-2001-0018599A KR20010018599A KR100405656B1 KR 100405656 B1 KR100405656 B1 KR 100405656B1 KR 20010018599 A KR20010018599 A KR 20010018599A KR 100405656 B1 KR100405656 B1 KR 100405656B1
- Authority
- KR
- South Korea
- Prior art keywords
- memory
- hierarchical
- image data
- access
- hierarchical memory
- Prior art date
Links
- 230000015654 memory Effects 0.000 title claims abstract description 127
- 238000004891 communication Methods 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/391—Resolution modifying circuits, e.g. variable screen formats
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42692—Internal components of the client ; Characteristics thereof for reading from or writing on a volatile storage medium, e.g. Random Access Memory [RAM]
-
- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
-
- 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
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4435—Memory management
-
- 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
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Controls And Circuits For Display Device (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Description
Claims (3)
- 송수신을 위한 영상 데이터를 시스템 외부 버스와 내부 버스로 인터페이스시키는 외부 인터페이스 버스와;상기 영상 데이터 크기를 적어도 하나 이상의 메모리 용량에 맞추어 적응적으로 저장시키는 서로 다른 용량을 갖는 계층적 메모리와;상기 계층적 메모리에 저장된 데이터를 리드하여 디스플레이시켜 주기 위한 LCD 제어부와;상기 영상 데이터를 그 크기에 따라 상기 계층적 메모리에 저장되도록 하는 라이트 경로 선택 및 상기 저장된 영상 데이터에 대한 상기 LCD 제어부의 리드 액세스 경로 선택을 제어하는 액세스 선택수단을 포함하는 것을 특징으로 하는 영상통신 단말기의 계층적 메모리 액세스 제어장치.
- 제 1항에 있어서,상기 계층적 메모리에는 다양한 해상도를 갖는 영상 데이터 크기에 따라 적어도 하나 이상의 메모리 용량에 맞게 영상 데이터가 저장되거나 분할되어 저장되는 것을 특징으로 하는 영상통신 단말기의 계층적 메모리 액세스 제어장치.
- 제 1항에 있어서,상기 액세스 선택수단은 계층적 메모리 각각에 일대일 대응하는 다수의 멀티플렉서를 포함하며, 영상 통신이 다양한 해상도를 갖는 크기의 데이터에 따라 계층적 메모리에 적응적으로 라이트 선택 경로를 제어하고, 상기 계층적 메모리에 저장된 영상 데이터의 리드 선택 경로를 제어하여 LCD 제어부로 출력해 주는 것을 특징으로 하는 영상통신 단말기의 계층적 메모리 액세스 제어장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0018599A KR100405656B1 (ko) | 2001-04-09 | 2001-04-09 | 영상통신 단말기의 계층적 메모리 액세스 제어장치 |
US10/117,059 US6999086B2 (en) | 2001-04-09 | 2002-04-08 | Video communication terminal and method of controlling memory access in the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0018599A KR100405656B1 (ko) | 2001-04-09 | 2001-04-09 | 영상통신 단말기의 계층적 메모리 액세스 제어장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020078290A KR20020078290A (ko) | 2002-10-18 |
KR100405656B1 true KR100405656B1 (ko) | 2003-11-14 |
Family
ID=19707992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0018599A KR100405656B1 (ko) | 2001-04-09 | 2001-04-09 | 영상통신 단말기의 계층적 메모리 액세스 제어장치 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6999086B2 (ko) |
KR (1) | KR100405656B1 (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4624715B2 (ja) * | 2004-05-13 | 2011-02-02 | ルネサスエレクトロニクス株式会社 | システムlsi |
KR100572668B1 (ko) * | 2004-06-11 | 2006-04-24 | 에스케이 텔레콤주식회사 | 모바일 상거래 어플리케이션의 단말 메모리 분할 탑재 방법 |
US8207937B2 (en) * | 2005-06-24 | 2012-06-26 | Logitech Europe S.A. | Communication protocol for networked devices |
KR100810338B1 (ko) * | 2006-01-03 | 2008-03-07 | 삼성전자주식회사 | 이동통신 시스템에서 메모리 제어 방법 |
KR101589524B1 (ko) * | 2008-11-07 | 2016-01-29 | 삼성전자주식회사 | 이동통신 단말기에서 다중 영상 포맷을 지원하여 영상통화의 고품질 영상을 서비스하기 위한 장치 및 방법 |
CN101562733B (zh) * | 2009-05-20 | 2012-09-05 | 中兴通讯股份有限公司 | 将视频采集设备接入次世代网络的装置及方法 |
CN113328998B (zh) * | 2021-05-14 | 2023-02-21 | 维沃移动通信有限公司 | 影像数据传输的方法和电子设备 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980022593U (ko) * | 1996-10-28 | 1998-07-25 | 김광호 | 고정된 2차원 표시 소자의 수직 사이즈(Size) 조정 회로 |
KR19980024543U (ko) * | 1996-10-31 | 1998-07-25 | 김광호 | Fpd 모니터의 모드 변환시 화면 확대 장치 |
JPH11202281A (ja) * | 1998-01-20 | 1999-07-30 | Matsushita Electric Ind Co Ltd | 表示制御装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5392252A (en) * | 1990-11-13 | 1995-02-21 | Vlsi Technology, Inc. | Programmable memory addressing |
US5313624A (en) * | 1991-05-14 | 1994-05-17 | Next Computer, Inc. | DRAM multiplexer |
US5706290A (en) * | 1994-12-15 | 1998-01-06 | Shaw; Venson | Method and apparatus including system architecture for multimedia communication |
US5319388A (en) * | 1992-06-22 | 1994-06-07 | Vlsi Technology, Inc. | VGA controlled having frame buffer memory arbitration and method therefor |
US5748203A (en) * | 1996-03-04 | 1998-05-05 | United Microelectronics Corporation | Computer system architecture that incorporates display memory into system memory |
US6229850B1 (en) * | 1997-07-22 | 2001-05-08 | C-Cube Semiconductor Ii, Inc. | Multiple resolution video compression |
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2001
- 2001-04-09 KR KR10-2001-0018599A patent/KR100405656B1/ko not_active IP Right Cessation
-
2002
- 2002-04-08 US US10/117,059 patent/US6999086B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980022593U (ko) * | 1996-10-28 | 1998-07-25 | 김광호 | 고정된 2차원 표시 소자의 수직 사이즈(Size) 조정 회로 |
KR19980024543U (ko) * | 1996-10-31 | 1998-07-25 | 김광호 | Fpd 모니터의 모드 변환시 화면 확대 장치 |
JPH11202281A (ja) * | 1998-01-20 | 1999-07-30 | Matsushita Electric Ind Co Ltd | 表示制御装置 |
Also Published As
Publication number | Publication date |
---|---|
US20020145659A1 (en) | 2002-10-10 |
KR20020078290A (ko) | 2002-10-18 |
US6999086B2 (en) | 2006-02-14 |
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