WO2004015924A1 - Systeme de reseau domestique numerique - Google Patents

Systeme de reseau domestique numerique Download PDF

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Publication number
WO2004015924A1
WO2004015924A1 PCT/CN2003/000646 CN0300646W WO2004015924A1 WO 2004015924 A1 WO2004015924 A1 WO 2004015924A1 CN 0300646 W CN0300646 W CN 0300646W WO 2004015924 A1 WO2004015924 A1 WO 2004015924A1
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WO
WIPO (PCT)
Prior art keywords
gateway
digital
control
home network
network system
Prior art date
Application number
PCT/CN2003/000646
Other languages
English (en)
Chinese (zh)
Inventor
Yanpin Ren
Shan Jiang
Ming Li
Chuang Meng
Yuanyi Zhang
Yujin Luo
Original Assignee
Legend (Beijing) Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CNB021260524A external-priority patent/CN1160909C/zh
Application filed by Legend (Beijing) Limited filed Critical Legend (Beijing) Limited
Priority to AU2003257784A priority Critical patent/AU2003257784A1/en
Publication of WO2004015924A1 publication Critical patent/WO2004015924A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803—Home automation networks
    • H04L12/2816—Controlling appliance services of a home automation network by calling their functionalities
    • H04L12/282—Controlling appliance services of a home automation network by calling their functionalities based on user interaction within the home
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803—Home automation networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803—Home automation networks
    • H04L12/283—Processing of data at an internetworking point of a home automation network
    • H04L12/2834—Switching of information between an external network and a home network

Definitions

  • the present invention relates to digital network networking technology, and particularly to a digital home network system.
  • Background of the Invention With the rapid development of electronics and network technologies and the continuous improvement of people's living standards, people's requirements for quality of life are getting higher and higher, and the demand for intelligent, digital and informational home environments is also expanding.
  • the existing intelligent houses mainly have building intercom, access control systems, various alarms, emergency help systems and remote supermeter systems, and for various types of household equipment in the home, such as home computers, information terminals, set-top boxes, Handheld computers, televisions, refrigerators, computers, air conditioners, water heaters, electric lights, etc. have not yet formed a complete network, nor can they achieve unified control and adequate resource sharing.
  • the main object of the present invention is to provide a digital home network system, so that It connects all kinds of household equipment into the same network for unified control and sharing of system resources. Not only is the operation simple, flexible and convenient, but it also fully meets user requirements for household equipment control and resource sharing, and provides users with a very comfortable home. surroundings.
  • a digital home network system is used to control the interconnection and resource sharing of more than one home device.
  • the key lies in: a gateway that is used to complete the interpretation and conversion of network protocols and the processing of commands and data.
  • One or more home devices The device is connected to the gateway directly or through an adaptation device, respectively.
  • the gateway is a gateway having device management and device service management functions, resource management functions, and multimedia application functions.
  • the gateway may be a control gateway with a narrowband line or wireless interface, or a portal gateway with a broadband wired or wireless interface; or a combination of a control gateway with a narrowband line or wireless interface and a portal gateway with a broadband wired or wireless interface,
  • the control gateway is connected to the portal gateway through a broadband interface.
  • the gateway is a combination of a portal gateway and a control gateway, the portal gateway and the control gateway are set in the same device, or are set separately.
  • the portal gateway is connected to a wireless mobile device through a broadband wireless interface.
  • the system further includes a server for storing information and processing media distribution requests.
  • the server is connected to the portal gateway through a broadband interface.
  • the server can be connected to at least one home device directly or through an adapting device.
  • the server is a PC or a dedicated server with equipment management and equipment service management functions, resource management functions, and multimedia application functions.
  • the adapting device described in the above scheme is a digital media control adapter, or a broadband adapter, or a narrowband adapter, or a digital control adapter, or a wireless digital control adapter.
  • the portal gateway can be connected to an external network through a broadband adapter;
  • the control gateway is connected to a narrowband communication device through a narrowband adapter, wherein the narrowband communication device is a public switched telephone network (PSTN) phone, a mobile phone, a remote control;
  • PSTN public switched telephone network
  • the control gateway can also With wireless digital control adapter and Devices with wireless interfaces are connected.
  • the household equipment includes information equipment, communication equipment, entertainment equipment, household appliances, automation equipment, security monitoring devices and other equipment for home automation.
  • the information equipment generally refers to home computers, PDAs, wireless mobile terminals and other equipment; communication equipment includes IP phones, video phones, E-Mail and other equipment; entertainment equipment includes set-top boxes, game consoles and other equipment; household appliances are digital Interfaced household appliances, or high-data-rate video / audio capture or display devices, or general household appliances.
  • the home appliance with a digital interface is connected to the server through a high-speed digital interface; the large-data-volume video / audio capture device or display device is connected to the portal gateway through a Digital Media Control Adapter (DMCA); and ordinary home appliances are connected through a digital control adapter (DCA) is connected to a control gateway, where the common household appliances are televisions, air conditioners, refrigerators, washing machines, microwave ovens and other household appliances.
  • DMCA Digital Media Control Adapter
  • DCA digital control adapter
  • the gateway, the home device, and the server transmit signals through a wired transmission medium or a wireless transmission medium.
  • the wired transmission medium includes twisted pair, or coaxial cable, or power line, or optical fiber, or any combination of the four;
  • the wireless transmission medium includes infrared, or radio frequency, or a combination of the two.
  • the digital home network system provided by the present invention has the following advantages and characteristics:
  • the present invention adopts a centralized control method. Different types of equipment are directly or indirectly controlled by the server and the gateway. For different complexity of tasks, it can be handled by the gateway or the server, so as to avoid the system load as much as possible. Uneven.
  • the centralized control reduces the maintenance cost of the system, reduces the user's use burden, and greatly improves the processing efficiency of the system.
  • the present invention provides different processing or data channels for different instruction methods and data flows, on the one hand, it can improve the cost performance of the entire system, on the other hand, it can simplify the system structure and ensure the reliability of the system. For home users, cost performance and reliability are extremely important purchases. Buy factor.
  • the solution of the present invention allows these devices to be organically interconnected and work together, and uses a server or gateway to control different types of devices, allowing home users to access information anytime, anywhere, enjoy entertainment and comfort and security Home life.
  • the present invention uses network technology to extend all the controls in the home to the outdoors, and can control and operate the household equipment through various methods, such as wireless, wired, and network, anytime, anywhere.
  • the home network is used to make various devices in the entire family into a whole, and various devices can cooperate to provide complete services for home users.
  • This system is an open system, which fully considers future development and support for existing technologies and equipment, and has strong implementability and scalability.
  • FIG. 1 is a schematic diagram of a composition structure of a digital home network system according to the present invention
  • FIG. 2 is a schematic diagram of an embodiment of a digital home network system structure according to the present invention
  • FIG. 3 is a flowchart of a specific application example of the present invention
  • FIG. 4 is a schematic diagram of a logical architecture of management service software according to the present invention.
  • FIG. 5 is a schematic flowchart of a device interaction process. Mode of Carrying Out the Invention
  • FIG. 1 is a schematic structural diagram of a digital home network system according to the present invention.
  • the so-called digital home network refers to the dynamic connection of all household devices into an internal network with different requirements, so that all devices can be interconnected and share all network resources. .
  • the digital home network supports dynamic networking and resource sharing between home devices, thereby improving interoperability and ease of use between home devices.
  • the specific functions of dynamic networking include: 1. Devices in the network do not need to manually configure network parameters in advance; 2. Relevant devices can be dynamically selected from the network to form a home network.
  • the home network can be used to implement a single device Functions that cannot be completed, or improve the performance of the original functions of these single devices; Third, any two devices can directly communicate and share resources to expand the functions of a single device. Resource sharing means that devices on the network can publish resources provided by themselves, and can also easily retrieve and use resources provided by other devices, and share resources between devices in accordance with a preset protocol standard.
  • the network control system mainly includes a gateway 11.
  • the functions of the gateway 11 are interpretation and conversion of network protocols, device address positioning, data conversion and flow direction determination, simple command interpretation and execution, and firewall functions.
  • a network such as the Internet, can also be connected directly or through various adapters to different home devices.
  • the gateway 11 actually includes two parts: the portal gateway 110 and the control gateway 111.
  • the portal gateway 110 and the control gateway 111 are generally interconnected through a broadband interface. The two parts can be integrated into one device. , Can also be set independently.
  • the portal gateway 110 is connected to the Internet through a broadband adapter (BA) through a broadband access bus, and is mainly responsible for transmitting broadband data.
  • the BA can generally use a cable modem (Cable Modem), asymmetric user digital loop modem (ADSL Modem), and other modulation schemes. Equipment to achieve broadband access in various ways.
  • the portal gateway 110 is connected to a display / control device and an AV device through a broadband network via a digital media control adapter (DMCA).
  • DMCA digital media control adapter
  • the control gateway 111 can be connected to various control subnet devices 13 directly or through various adapters, and is mainly used to transmit control commands to the connected home devices and receive home devices at the same time. Feedback control results.
  • the portal gateway 110 may also connect the mobile device through a broadband wireless access method.
  • the control gateway 111 is generally connected to various ordinary household devices such as air conditioners, televisions, electric lights, etc. through a narrow-band interface. It can also be connected to devices such as PSTN phones, mobile phones, or ordinary remote controllers through external interfaces to achieve a relatively low rate.
  • the control gateway 111 can also be connected to a device with a wireless interface through a wireless digital control adapter.
  • home devices directly connected to the portal gateway 110 are collectively referred to as backbone network devices, and home devices connected to the control gateway are collectively referred to as control subnet devices.
  • An adapter device is provided between the gateway 11 and the backbone network device 12 or the control subnet device 13 to connect household devices, such as electric lights, air conditioners, and refrigerators, to a digital home network.
  • the adapting device may be various types of adapters, which may exist independently or may be integrated on the backbone network device 12 or the control subnet device 13 and become a component of the device.
  • the adaptation device has three functions: first, the device address, to distinguish different devices through adapters with different attributes; second, the command conversion, which can convert the device command transmitted by the gateway 11 into a simulation or Digital signals for further operations; third, device status feedback, that is, reflecting the current status of the backbone network device 12 or the control subnet device 13 to the gateway 11 or the server 10.
  • the backbone network equipment 12 and the control subnet equipment 13 generally include information equipment, communication equipment, entertainment equipment, household appliances, automation equipment, security monitoring devices, etc., among which, information equipment generally refers to home computers, handheld computers, wireless mobile terminals Communication equipment includes IP phones, video phones, E-Mail and other equipment; entertainment equipment includes set-top boxes, game consoles and other equipment; household appliances can be divided into three categories: a class of digital electrical equipment with universal digital interface It can be directly connected to the server 10 through USB, IEEE 1394, serial port, parallel port or similar digital interfaces; large data volume audio / video capture devices or display devices, such as cameras, televisions, digital displays, etc.
  • the device is generally connected to the portal gateway 110 through the backbone network; and ordinary household appliances such as electric lamps, refrigerators, air conditioners, washing machines, CD-ROMs, video recorders, and karaoke in the usual sense.
  • ordinary household appliances such as electric lamps, refrigerators, air conditioners, washing machines, CD-ROMs, video recorders, and karaoke in the usual sense.
  • Machine, microwave oven, electric curtain, etc. which can be connected to the control gateway 111 directly or through a digital control adapter via a control subnet.
  • the digital home network shown in Figure 1 can be divided into a backbone network and a control subnet from the network level.
  • the home backbone network constructs the family's information / multimedia network, which realizes the interconnection of information equipment, communication equipment, entertainment equipment, etc.
  • the data transmitted in the backbone network mainly includes text, pictures, audio, video and other information.
  • the requirements for the home backbone network are mainly high-speed transmission, high quality of service guarantee, dynamic networking, and effective resource sharing.
  • the main control core is the portal gateway 110. On the one hand, it connects various backbone network devices 12 through the backbone network, or connects mobile devices through the wireless interface of the backbone network to realize the interconnection of internal devices in the home, including mobile devices.
  • the broadband access function of the portal gateway enables connection between the backbone network and external networks, so that devices in the home backbone network can share information.
  • the server 10 is connected to the portal gateway 110 through the backbone network.
  • the TCP / IP protocol provides basic communication and addressing methods for network devices.
  • TCP / IP The protocol also runs a set of custom home backbone network protocol standards, so that the digital home network can more easily, simply and conveniently realize the interconnection between devices in the network.
  • the backbone network includes wired and wireless methods in the form of networking.
  • the wireless backbone network is digital An integral part of the home network backbone.
  • the control subnet is used to realize the interconnection of household appliances, automation equipment, security (monitoring) devices and other equipment.
  • the data transmitted in the control subnet is mainly various control instructions for the device and the status data of the device.
  • the requirements for the control subnet mainly depend on the real-time and reliable data transmission And the requirements on network bandwidth are relatively low.
  • the establishment of a control subnet is an important prerequisite for achieving home automation: On the one hand, users can control the devices in the home through various human-machine interfaces.
  • control gateway in the control subnet is used to realize the interconnection of various household devices; on the other hand, it is used to implement the interconnection between the control subnet and the backbone network, that is, to implement the communication protocol and device description conversion between the control subnet and the backbone network
  • the equipment in the backbone network controls the home automation system through the control gateway; at the same time, it provides external interfaces for remote telephone alarms and telephone remote control.
  • control subnet a set of control subnet protocols is also defined, which is a communication mechanism that realizes the information exchange between the control subnet devices, so that the devices of different manufacturers form a unified standard to achieve mutual communication; easy for household consumption Users can easily introduce new products and services; it is more convenient for users to control and operate the equipment.
  • the control subnet protocol uses the design characteristics of home electronic equipment, plus the simplest network connection unit to handle the current and expected control communication needs, and completes automated collaborative work, remote control, status indication, energy management, and security systems. , Entertainment equipment management and other functions.
  • a digital home network may include both a backbone network and a control subnet, or may include only one of the two.
  • the digital home network can only retain the control subnet part, including the control gateway and the connected household equipment.
  • the control gateway implements unified control and management, and remote control can also be achieved through wired or wireless phones.
  • users need to control a large number of broadband devices and realize resource sharing, regardless of the control of simple home devices, they can only reserve the backbone network part of the digital home network, including the portal gateway and its connected home devices, and the portal gateway will implement it.
  • Unified control, management, and resource sharing or you can add a server to assist the portal gateway for management. At this time, Can be controlled remotely via wired, wireless telephone or Internet.
  • the combination of the backbone network and the control subnet is adopted.
  • the digital home network is controlled by the portal gateway, the control gateway, or the server together to realize the interaction of all home devices. Connectivity and resource sharing.
  • a user can issue a command to the system through a remote control or through a telephone, a mobile terminal, or an external network, such as the Internet, and then control the backbone network device 12 or the remaining subnet device 13 to perform corresponding operations. operating.
  • the remote controller further controls the related equipment through the gateway 11 or the server 10, and communicates with the gateway 11 or the server 10 wirelessly.
  • the remote control uses icons to indicate the device and its status. Before the operation, the remote control can give the status of the device; after the operation, the remote control can reflect the execution results.
  • the command level of the server 10 is higher than that issued by the remote control and the user through the Internet.
  • the server 10 and the gateway 11 may be interconnected by an Ethernet method or other equivalent methods, and the server 10 and a home device are connected by a wired or wireless method.
  • the user must perform verification through the gateway, such as verification password, biometric password, magnetic card, IC card, etc., and the number of verification errors is within a limited range in order to perform subsequent operations.
  • signals are transmitted between a gateway, a home device, and a server through two types of transmission media, that is, a wired transmission medium and a wireless transmission medium.
  • Wired transmission media include twisted pair, coaxial cable, power line, and optical fiber; wireless transmission media include infrared and radio frequency.
  • FIG. 2 is a specific embodiment of a system structure based on the present invention. As shown in FIG. 2, various types of devices play different roles in a digital home network.
  • the portal gateway 21, the control gateway 22, and the server 20 respectively play the roles of a home communication center, a home control center, and a home information and entertainment center to ensure the realization of various applications based on the digital home network platform.
  • the gateway 21 of the home communication center its core function is to internally interconnect various types of devices in the home and externally achieve shared broadband access to multiple types of devices.
  • the portal gateway 21 is customized according to the specific digital home network application environment and can support a variety of broadband access parties. Type, such as LAN, xDSL, Cable Modem, etc.
  • the supported network standards are LAN, HomeRF, HomePNA, 802.11, IEEE1394, Bluetooth, Lonworks, CEBus, CAN, etc.
  • the portal gateway 21 can also act as a resource management device in the home backbone network, responding to and processing requests for registration, deregistration, and query of other devices.
  • control gateway 22 of the home control center its core functions are: On the one hand, it implements the protocol conversion between the control subnet and the backbone network to ensure that the devices on the backbone network and the devices on the control subnet are interconnected; Remote telephone alarm and telephone remote control. On the other hand, it is connected to a narrowband communication device through a narrowband adapter (NA), for example: a public telephone exchange network (PSTN) phone, a mobile phone, or a remote control, etc.
  • NA narrowband adapter
  • the server 20 as a home infotainment center can be connected to household appliances with digital interfaces through a high-speed digital interface. Its core functions are: 1) The home's information storage center stores various types of data, audio, and video files, and provides friendly Information maintenance interface, users can easily upload and download information locally on the home server or through other networked devices. 2) The home media distribution center can respond to media distribution requests from different devices, and distribute audio and video streams to different device nodes for playback.
  • Example 1 Since the present invention puts all household equipment in a unified control system, then when the weather is hot, the user can turn on the air conditioner at home through a mobile phone to the gateway at any time on the way home from work. The temperature has been adjusted to the ideal state.
  • control gateway Because the transmission of control instructions does not require high bandwidth, and the control gateway has an independent external
  • the implementation of the above-mentioned process mainly involves the control gateway and related DCAs, and has nothing to do with the portal gateway.
  • the specific implementation process is shown in Figure 3, and mainly includes the following steps:
  • Step 301 The user dials a home phone number through a mobile phone, and establishes a connection with the control gateway through NA;
  • Step 302 A remote control software is installed in the control gateway, which can prompt the user to select a control object through a mobile phone, and accordingly, the user selects and controls the air conditioner through a mobile phone button;
  • Step 303 After receiving the control instruction, the control gateway forwards it to the digital control adapter (DCA) connected to the air conditioner after address analysis and positioning;
  • DCA digital control adapter
  • Step 304 After receiving the control instruction forwarded by the control gateway, the DCA converts it into a control code that can be recognized by the air conditioner, and sends the control code to the air conditioner, thereby realizing the control of the air conditioner.
  • Example 2 A user wants to show a picture from his handheld to his family on a large screen. This is difficult to achieve under current family conditions.
  • the server will automatically search for large-screen display devices in the system, such as televisions, computer monitors, and so on. Users will decide whether to use a TV or a computer monitor to display their pictures based on system feedback.
  • the above implementation process mainly involves the portal gateway and related DMCA. Because the portal gateway has a wireless interface, the handheld computer can wirelessly access the portal gateway, and then realize the connection with the home. Interconnection of other devices in the system. In addition, client and server management programs must be installed on the handheld computer and the portal gateway respectively in order to complete the receiving and sending and processing processes. The specific process is this:
  • the server-side management program located on the portal gateway will proceed as follows: First, find a device with a large screen display function in the home network, and then power it from the handheld
  • the picture transmitted from the brain is forwarded to a digital media control adapter (DMCA) connected to the television; the DMCA receives the forwarded picture, converts it to a display device, such as a format acceptable to the television, and sends it to the display device.
  • DMCA digital media control adapter
  • the user can also implement functions such as video playback and audio playback, such as: playing audio files stored in the handheld computer on a home audio system, or playing video files stored in the handheld computer on a TV.
  • the control core of the digital home network system of the present invention is: a gateway or a gateway plus a server, and the premise of implementing the control is: a corresponding service management program must be configured in it to realize the device management and device service management functions and resource management Functions, multimedia application functions.
  • the device management and device service management functions mainly include automatic device identification, automatic device registration, and management and control of the services provided by the device.
  • This function sets related standards for device service registration, management, and use in order to provide device service Can effectively manage and realize plug-and-play service;
  • Resource management function mainly manages different format resources distributed in the system, including different data formats, encoding methods, files or database tables, and not only realizes various equipment resources
  • High-level sharing such as: audio / video data sources, etc., and can achieve cross-platform data sharing
  • the multimedia application function is to perform audio and video files in multiple formats, including MP3, WMA, MPEG-1, DVD, ASF, etc. Capturing, encoding, playback and editing management functions.
  • the above management function is divided into three parts at a logical level, including a device adaptation layer 41, a device / service management layer 42 and an application layer 43.
  • the device adaptation layer 41 is above the operating system 40, which is the lowest layer visible to the software, and provides access to communication functions of physical devices.
  • the device / service management layer 42 which is an intermediate layer.
  • the application layer 43 is a user-visible layer that provides various Web-based services. During the service, the user does not need to care about who is the service provider. Where will the results of the service be saved? As long as the system provides such services, it will be normal. Use.
  • a master-slave structure is adopted.
  • a server or gateway is used as the master device for device management.
  • the slave device refers to various devices that are specifically connected to the digital home network. They must communicate with the master device. .
  • the device adaptation layer 41 Based on the master-slave control structure, the device adaptation layer 41 provides a device driver and interacts with the operating system.
  • the device can become a normal working device through the configuration of the device adaptation layer and has network communication capabilities, but it does not have the ability to automatically interact with other networked devices in the network.
  • the device / service management layer 42 manages the devices that can work normally, realizes the interconnection and interconnection between different devices, and shares the services between the devices. It is the core part of the software architecture. Among them, equipment management mainly includes:
  • the device uses DHCP, DNS, ARP and other protocols to automatically set the local network address;
  • the master device automatically searches for other devices on the same network segment
  • the master device sends a control command to the slave device, and the slave device automatically responds;
  • Service management includes:
  • the application layer 43 is a layer that is actually visible to the user. Through a web-based control interface, the user can implement functions such as scene music control, home security, home fitness, and the like through interactive operations.
  • device A After the device enters the system, it needs to complete the device development through interactive communication with the protocol gateway. Functions such as device registration, device service registration, and automatic establishment of transmission links between devices through a protocol gateway, and unified management of data links.
  • device A when device A needs to access the digital home network system, device A sends a device registration message to the master device server or gateway.
  • the master device is the gateway; the gateway sends the device after receiving the registration message.
  • a registration response is sent to the device A, allowing or denying the device A access; if it is allowed, a connection is established between the device A and the gateway, and the device A sends a service registration message to the gateway, and the gateway returns a service registration response, allowing the device A to share all Services and all system resources.
  • data exchange can be performed between the devices currently connected to the network, and the services registered and provided by other devices can be accessed.
  • the device After the connection is automatically established between the devices, the device transmits data according to the requested service, and the software configured on the device automatically decodes the device and makes the correct processing.
  • device A initiates a data transmission request to the gateway, which includes the address of the destination device. After receiving the data transmission request, the gateway sends transmission to both device A and the destination device.
  • the link establishment message establishes a connection between device A and the destination device. After that, the two devices can exchange data.
  • the server sends audio data in MP3 encoding format to the audio adapter, the audio adapter decodes it, and plays it.
  • the audio adapter transmits its own status back to the server, and the status includes status information such as playback volume, playback track, and playback connection.
  • device A When device A needs to leave the digital home network system, as shown in FIG. 5, device A sends a device uninstallation message to the gateway. After receiving the gateway, it sends a device uninstallation response message to device A, and allows device A to go offline.
  • device A When device A needs to leave the digital home network system, as shown in FIG. 5, device A sends a device uninstallation message to the gateway. After receiving the gateway, it sends a device uninstallation response message to device A, and allows device A to go offline.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Computing Systems (AREA)
  • Small-Scale Networks (AREA)
  • Selective Calling Equipment (AREA)
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Abstract

L'invention concerne un système de réseau domestique numérique pour la commande de l'interconnexion, l'intercommunication et le partage de ressources de plus d'un équipement domestique, comprenant principalement : une passerelle, pour l'exécution d'une explication, d'une convention de protocole de réseau, et d'un processus de commande et de données, un ou plusieurs équipements se connectant à la passerelle directement ou au moyen d'un appareil d'adaptation. Ledit système est conçu pour que tous les équipements domestiques soient liés pour permettre l'identification du réseau, de sorte que la commande soit harmonieuse. Ainsi, le fonctionnement est simple, souple et pratique mais répond également aux exigences de l'utilisateur pour ce qui concerne la commande d'équipement domestique et le partage de ressources, et fournit à l'utilisateur un environnement domestique extrêmement confortable.
PCT/CN2003/000646 2002-08-12 2003-08-08 Systeme de reseau domestique numerique WO2004015924A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003257784A AU2003257784A1 (en) 2002-08-12 2003-08-08 Digital home network system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB021260524A CN1160909C (zh) 2002-05-18 2002-08-12 数字家庭网络系统
CN02126052.4 2002-08-12

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WO2004015924A1 true WO2004015924A1 (fr) 2004-02-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102572670A (zh) * 2010-12-27 2012-07-11 北京华旗随身数码股份有限公司 一对多无线调频音箱系统
CN104869680A (zh) * 2011-12-13 2015-08-26 孙本彤 一种灯的控制装置

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