KR100971738B1 - Apparatus for acquring information of controlled device in control device and method for the same - Google Patents

Apparatus for acquring information of controlled device in control device and method for the same Download PDF

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Publication number
KR100971738B1
KR100971738B1 KR1020090072008A KR20090072008A KR100971738B1 KR 100971738 B1 KR100971738 B1 KR 100971738B1 KR 1020090072008 A KR1020090072008 A KR 1020090072008A KR 20090072008 A KR20090072008 A KR 20090072008A KR 100971738 B1 KR100971738 B1 KR 100971738B1
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South Korea
Prior art keywords
controlled device
information
interface
data
controlled
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KR1020090072008A
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Korean (ko)
Inventor
이호찬
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주식회사 포티스
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/04—User notification, e.g. alerting and paging, for incoming communication, change of service or the like multi-step notification using statistical or historical mobility data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Computer Security & Cryptography (AREA)
  • Selective Calling Equipment (AREA)

Abstract

PURPOSE: An apparatus and a method for a control device to acquire information about a controlled device are provided to easily obtain control information about different devices and user interface information through broadcast stream . CONSTITUTION: A stream analyzing module(302) analyzes received broadcasting stream. A system memory(305) stores ID codes of controlled devices and information about the controlled devices. A first IEEE(Institute of Electrical and Electronics Engineers) 802.15 interface unit(306) communicates with the controlled devices using the stored information. A first translation layer unit(307) changes commands and data to the controlled devices and response data from the controlled devices according to system protocol.

Description

Apparatus for acquring information of controlled device in control device and method for the same}

The present invention relates to an apparatus and method for acquiring controlled device information of a controlled device, which can acquire information through a broadcast stream without receiving information for controlling a device on a WPAN from a controlled device or other device in a network.

The method of device configuration and wireless information exchange for providing a user interface of a device on a WPAN through a digital TV or a digital set-top box have been studied. However, these technologies may have difficulty in implementing a separate technology for each device to obtain information about a controlled device, and a separate process may be required for information update on the controlled device.

1 and 2 will be described in more detail.

1 shows a device control system on a home network, which is a device control system on a home network for displaying and controlling devices having IEEE 1394 standards 104 and 111 through a web browser. The control device 100 has a predetermined display screen capable of a user interface, and displays an icon of the device on the screen or outputs information for controlling the controlled devices 110 connected on a link through a web browser. . When a predetermined command is input from the user on the web browser, the command signal is transmitted to the controlled device 110 and the response signal is displayed. In order to provide the function, the control device 100 stores homepage information describing the functions and operations of the controlled devices 110 in the memory 101, and the TCP 103 of the control device 100 is a web server. The control command received from the 102 is converted into a standard signal and outputted or converted into a web signal and outputted to the web server 102.

2 illustrates a WPAN network configuration, in which a digital TV 200, a digital air conditioner 210, a digital camcorder 220, and a digital set-top box 230 are connected to a wireless network. Each device transmits and receives data according to a client / server scheme as in a typical Internet. The digital TV 200 providing the user interface becomes a client and includes a web browser such as on the Internet. The other devices 210 to 230 operate like a web server on the Internet. Each device transmits data through a hypertext document hierarchy (HTML Document Hierarchy) including information on functions and operations in a hypertext (HTML) document or a predetermined information using an XML schema. The digital TV 200 as a client retrieves each home page from the web server devices 210 to 230 using a web browser and controls the corresponding device.

As described above, techniques for configuring and controlling a device by controlling a peripheral device in a home network through a web browser or exchanging information using an XML schema have been studied. However, this method requires a separate storage space for a web page and XML. Even if a control scheme is implemented through the exchange of information in the schema, a separate technology implementation may be required for each network device. In addition, since information received from the controlled device, command data sent from the controlled device, and response data of the controlled device may use different protocols, a separate interpreter is required to provide the protocol. Even if the information about the control command is not received from the controlled device, the information must be obtained from a separate web server. Protocol is required. In addition, when there is a demand for information update of a controlled device, a separate technical implementation is required on the controlled device.

The present invention was developed to meet the above-mentioned needs, and is controlled by a control device that enables the user to obtain information through a broadcast stream without receiving information for device control on a WPAN from a controlled device or other device in a network. An apparatus and method for acquiring device information are provided.

Apparatus for obtaining controlled device information of a control device according to the present invention for achieving the above object

A stream receiver for receiving a broadcast stream, a stream analysis module for analyzing a network device control table (NDCT) for obtaining information of a controlled device in a network from the received broadcast stream, and a user of the controlled device information obtained from the analyzed NDCT. Interface module to interface, IR interface to accept user input, Recognition code storage of the controlled device obtained through the initialization process for the configuration of a predetermined network device, and a system for storing information about the controlled device obtained from the broadcast stream Memory, a first IEEE 802.15 (WPAN) interface unit for transmitting and receiving information to and from the controlled device using information stored in the system memory, and command and data sent to the controlled device and response data received from the controlled device, respectively, as a system protocol. Stools in line with Article characterized in that made in comprising: a first translation layer that.

Preferably, the method further comprises a predetermined display interface for displaying the control command items related to the function of the controlled device.

Method for obtaining controlled device information of a control device according to the present invention for achieving the above object

Receiving a broadcast stream through the stream receiver, If the NDCT (Network Device Control Table) is included in the received broadcast stream, Analyzing the NDCT to obtain the controlled device information, and in the analyzed data If there is information on the user interface of the controlled device, it is characterized in that it comprises a step of configuring and displaying the user interface for the controlled device using this.

Preferably, after the step of configuring and displaying the user interface, the control device enters the controlled device control mode and transmits a message including predetermined data to the controlled device requesting information of the current setting state, The control device receiving the status information response message applies the status information to the predetermined data for controlling the controlled device structured in the system memory in the process of acquiring the information of the controlled device through the interface module and then displays the status information on the user interface. Receiving a control device control command from a user, and transmitting a control command message including a corresponding control command item and a setting value requested by the user, and a controlled device identification code to the controlled device, and transmitting a response message to the control command message. Receiving and displaying status information on the user interface.

The present invention obtains control information and user interface information of different devices by using a method of acquiring user interface data and control data for a controlled device on IEEE 802.15 (WPAN) and other predetermined data through a broadcast stream. It is easy to update the information. And, through this, the user can easily control the controlled device by receiving the interface data related to the function of the controlled device and the predetermined specific data without loss.

Hereinafter, with reference to the accompanying drawings will be described the present invention.

3 is an internal configuration diagram of a control device 300 having a display apparatus and a broadcast stream receiving unit according to the present invention. The control device according to the present invention includes a stream receiving unit 301, a stream analyzing module 302, and an interface module 303. ), An IR interface 304, a system memory 305, a first IEEE 802.15 (WPAN) interface unit 306, and a first translation layer unit 307.

More specifically, the control device 300 according to the present invention includes a stream receiver 301 for receiving a broadcast stream and a network device control table (NDCT) for obtaining information of a controlled device in a network from the received broadcast stream. Stream analysis module 302 for analyzing, interface module 303 for user interface information of the controlled device obtained from the analyzed NDCT, IR interface 304 for accepting user input, and initialization for a predetermined network device configuration. A system memory 305 for storing the identification code of the controlled device obtained through the process and information about the controlled device obtained from the broadcast stream, and a method for transmitting and receiving information with the controlled device using information stored in the system memory. 1 Commands and data sent to the IEEE 802.15 (WPAN) interface unit 306 and the controlled device; It has been made, including the first translation layer 307 to change with the response data received from the control device to each of the system protocol.

The stream receiver 301 receives a broadcast stream and is connected to the stream analysis module 302.

The stream analysis module 302 parses a broadcast stream received by the stream receiver 301 and analyzes a network device control table (NDCT) to obtain information of a controlled device in a network from the received broadcast stream.
The broadcast subject of a broadcast stream is a broadcast stream generator, and the Network Device Control Table (NDCT) includes a Network Device Control Table (NDIT) and a Network Device Data Table (NDDT).

The interface module 303 is installed between the stream analysis module 302 and the first translation layer unit 307 to user interface information of a controlled device obtained from the NDCT analyzed by the stream analysis module 302. do.

The IR interface 304 is connected to the interface module 303 by receiving an input key signal in accordance with a user key operation.

The system memory 305 is connected to the stream analyzing module 302. The system memory 305 stores the identification code of the controlled device obtained through an initialization process for a predetermined network device configuration, and stores the recognition code of the controlled device from the broadcast stream by the stream analyzing module 302. Stores information about the acquired controlled device.

The first IEEE 802.15 (WPAN) interface unit 306 transmits and receives information with the controlled device by using the identification code of the controlled device stored in the system memory 305 and information about the controlled device.

The first translation layer unit 307 is connected to the interface module 303 by changing the command and data sent to the controlled device and the response data received from the controlled device according to each system protocol.

The operation of the control device according to the present invention will be described with reference to FIG. 4.

First, the control device receives a broadcast stream through the stream receiving unit (S400).

Next, the broadcast stream received in step S400 is parsed, and if NDCT is included in the parsed broadcast stream, a predetermined analysis process is performed to obtain controlled device information (S401).

Next, when there is information about the user interface of the controlled device recognized in the network in the data analyzed in step S401 (S402), a user interface for the controlled device is configured using this (S403).

Then, display through the interface module (S404).

Meanwhile, the predetermined information and the data for upgrading the controlled device may be obtained through the NDCT. The user can easily control the controlled device through the data obtained at this time.

5 is an internal configuration diagram of the control device 500 and the controlled device 510 on the IEEE 802.15 (WPAN) according to the present invention. The control device 500 according to the present invention includes a display interface 501, an IEEE. This includes the 802.15 (WPAN) interface unit 502, the translation layer unit 503, the interface module 504, the system memory 505, the AV application program 506, and the IR interface 507.

More specifically, the control device 500 according to the present invention includes the components described in FIG. 3 and has a function of supporting a display such as a set-top box or a user interface such as a digital TV or a set-top box. A predetermined display interface 501 for displaying control command items related to the function of the device 510, and an IEEE 802.15 (WPAN) interface unit for transmitting and receiving predetermined data including command and response data for performing a control command through a user interface. 502, an interface module for visualizing response data of a controlled device or data received from a user analyzed through the first translation layer unit 503 and the first translation layer unit 503 for analyzing transmission / reception data; 504, system memory 505 and AV application program 506 for storing the analyzed data, IR in Including the interface 507.

The controlled device 510 according to the present invention is a device for controlling the external command control module 513 and the actual controlled device 510 for performing the control command analyzed through the second translation layer unit 512. It includes a control module 514.

The operation performed between the control device and the controlled device according to the present invention is as follows.

First, the control device 500 according to the present invention recognizes the controlled device 510 through a predetermined initialization process for recognition of the controlled device, wherein the recognized industry standard recognition code of the controlled device 510 is The control device 510 is used as an identification code.

The control device 500 starts an initialization process for recognizing a controlled device by transmitting a predetermined discovery message through the first IEEE 802.15 interface unit 502.

Transmission data to the controlled device 510 is generated in the first translation layer 503 based on user input data and predetermined data in the system memory 505.

The controlled device 510 that receives the discovery message through the second IEEE 802.15 interface unit 511 sends a response message including the identification code to the control device 500 through the second IEEE 802.15 interface unit 511.

In this case, the response message of the controlled device 510 also includes data generated by the second translation layer 512.

The control device 500 that receives the response message from the controlled device 510 through the first IEEE 802.15 interface unit 502 analyzes the message through the first translation layer unit 503 and then writes the recognition code in the message. This is stored in the system memory 505 for the control of the corresponding controlled device 510.

The data obtained via FIG. 4 structures the function related control command items and the settable values of each command in the interface module 504 for the user interface.

6 is a flowchart of a function control process of the controlled device 510 via the control device 500 on the IEEE 802.15 (WPAN) of the present invention. This process is performed after acquiring the information of the controlled device 510 through FIG. 4.

The control device enters the controlled device control mode (S600) and transmits a message including predetermined data requesting information on the current setting state to the controlled device (S601).

Next, the controlled device receiving the current status information request message transmits a response message including the status information to the controlling device, and in response to receiving the status information response message (S602), the controlling device receives a system in the process of acquiring information of the controlled device. After applying state information to the predetermined data for controlling the controlled device structured in the memory through the interface module, the predetermined data is displayed on the user interface (S603).

Next, the control device receives the controlled device control command from the user through the user interface and the IR interface using the display interface (S604) and sends a control command message including the corresponding control command item and setting value requested by the user and the controlled device identification code. The data is transmitted to the controlled device (S605).

The controlled device receiving the control command message executes the control command requested by the user through the external command control module and the device control module, and transmits a response message for confirming performance to the control device. The control device receiving the performance confirmation response message displays status information on the user interface in the same manner as in the step S603 (S606).

1 illustrates a device control system on a home network

2 is a WPAN network configuration

3 is a block diagram showing an apparatus for obtaining controlled device information of a control device according to a first embodiment of the present invention;

4 is a flowchart showing a method of obtaining controlled device information of a control device according to the first embodiment of the present invention.

5 is a block diagram showing an apparatus for obtaining controlled device information of a control device according to a second embodiment of the present invention;

6 is a flowchart illustrating a method of obtaining controlled device information of a control device according to a second embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

301: stream receiving unit 302: stream analysis module

303, 504: interface module 304, 507: IR interface

305, 505: system memory 306, 502: first IEEE 802.15 interface unit

307 and 503: first translation layer unit

501: Display interface 506: AV application unit

Claims (4)

A stream receiving unit which receives a broadcast stream from the broadcast stream generator; A stream analysis module for analyzing a network device control table (NDCT), a network device information table (NDIT), and a network device data table (NDDT) to obtain information of a controlled device in a network from the received broadcast stream; An interface module for user interface of information of a controlled device obtained from the analyzed NDCT, NDIT, and NDDT; An IR interface to accept user input; A system memory for storing the identification code of the controlled device obtained through an initialization process for configuring a predetermined network device and storing information about the controlled device obtained from the broadcast stream; A first IEEE 802.15 (WPAN) interface unit for transmitting and receiving information to and from the controlled device using information stored in the system memory; And Apparatus for obtaining controlled device information of a controlled device including a first translation layer unit for changing a command and data sent to the controlled device and response data received from the controlled device according to each system protocol The method of claim 1, And a predetermined display interface for displaying the control command items related to the functions of the controlled device. Receiving a broadcast stream transmitted from a broadcast stream generator through a stream receiver; Analyzing NDCT, NDIT, and NDDT to obtain controlled device information when the NDCT, Network Device Information Table (NDIT), and Network Device Data Table (NDDT) are included in the received broadcast stream; And A method of acquiring controlled device information of a controlled device, comprising constructing and displaying a user interface for a controlled device using information on the recognized user interface of the controlled device in the network in the analyzed data. 4. The method of claim 3, after configuring and displaying the user interface Transmitting a message including predetermined data to the controlled device by entering the controlled device control mode and requesting information on the current setting state from the controlled device; The control device receiving the status information response message applies the status information to the predetermined data for controlling the controlled device structured in the system memory in the process of acquiring the information of the controlled device through the interface module and then displays the status information on the user interface. ; Receiving a controlled device control command from a user and transmitting a control command message including a corresponding control command item and a setting value requested by the user, and a controlled device identification code to the controlled device; And receiving the response message in response to the control command message and displaying status information on a user interface.
KR1020090072008A 2009-08-05 2009-08-05 Apparatus for acquring information of controlled device in control device and method for the same KR100971738B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130013716A (en) * 2011-07-28 2013-02-06 삼성전자주식회사 Method for performing visible light communication in information display device equipped led back light unit and the information display device therefor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970016995A (en) * 1995-09-12 1997-04-28 제프리 엘. 포만 Data stream transmission control method and computer readable memory

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970016995A (en) * 1995-09-12 1997-04-28 제프리 엘. 포만 Data stream transmission control method and computer readable memory

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130013716A (en) * 2011-07-28 2013-02-06 삼성전자주식회사 Method for performing visible light communication in information display device equipped led back light unit and the information display device therefor

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