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WO2003034736A1 - Systeme mettant en oeuvre une fonction de commande de diffusion sur plusieurs canaux - Google Patents

Systeme mettant en oeuvre une fonction de commande de diffusion sur plusieurs canaux Download PDF

Info

Publication number
WO2003034736A1
WO2003034736A1 PCT/KR2002/001921 KR0201921W WO03034736A1 WO 2003034736 A1 WO2003034736 A1 WO 2003034736A1 KR 0201921 W KR0201921 W KR 0201921W WO 03034736 A1 WO03034736 A1 WO 03034736A1
Authority
WO
WIPO (PCT)
Prior art keywords
image information
client terminal
service image
service
information
Prior art date
Application number
PCT/KR2002/001921
Other languages
English (en)
Inventor
Jae-Hoon Yang
Original Assignee
Venice System.Co., Ltd
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 KR1020020060155A external-priority patent/KR20020082454A/ko
Application filed by Venice System.Co., Ltd filed Critical Venice System.Co., Ltd
Publication of WO2003034736A1 publication Critical patent/WO2003034736A1/fr

Links

Classifications

    • 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
    • H04N21/42684—Client identification by a unique number or address, e.g. serial number, MAC address, socket ID
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25808—Management of client data
    • H04N21/25841—Management of client data involving the geographical location of the client
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25866—Management of end-user data
    • H04N21/25883—Management of end-user data being end-user demographical data, e.g. age, family status or address
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25866—Management of end-user data
    • H04N21/25891—Management of end-user data being end-user preferences
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2668—Creating a channel for a dedicated end-user group, e.g. insertion of targeted commercials based on end-user profiles
    • 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
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/812—Monomedia components thereof involving advertisement data
    • 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
    • H04N7/17318—Direct or substantially direct transmission and handling of requests

Definitions

  • the present invention relates to an advertisement system using multi-channel broadcasting control function, and more particularly, to an advertisement system using multichannel broadcasting control function, in which moving picture advertisements, aerial wave broadcastings, cable broadcastings and satellite broadcastings of unspecified channels, which are displayed on display units (PDP, LCD, etc.) installed in unspecified areas, are collectively controlled through a service providing server.
  • an aerial wave broadcasting, a cable broadcasting and a satellite broadcasting have one-way directionality so that the broadcastings of the same contents are uniformly transmitted to many and unspecified persons . Therefore, viewers can watch a desired broadcasting by merely manipulating channels .
  • service image information is stored in a storage unit (e.g., HDD) and the stored service image information is repeatedly displayed using a player unit and a display unit.
  • a storage unit e.g., HDD
  • the stored service image information is repeatedly displayed using a player unit and a display unit.
  • a quick announcement needs to be displayed.
  • character information is received using a short message service (SMS) provided from an affiliated mobile communication company and the received character information is displayed on a lower portion of a screen of the display unit in characters.
  • SMS short message service
  • broadcasting information is information that is broadcast after receiving/editing a broadcasting information previously broadcast, not an on-line real-time broadcasting information.
  • the present invention is directed to an advertisement system using multi-channel broadcasting control function that substantially obviates one or more problems due to limitations and disadvantages of' the related art.
  • multi-channel broadcasting control function in which moving picture advertisements, aerial wave broadcastings, cable broadcastings and satellite broadcastings of unspecified channels, which are displayed on display units (PDP, LCD, etc.) installed in unspecified areas, are collectively controlled through a service providing server.
  • an advertisement system using multi-channel broadcasting control function which comprises: a client terminal including: a receiver for receiving broadcasting signals; a storage unit for storing service image information and control commands, the service image information having advertisement received from an exterior via a communication network; and a control unit for controlling the broadcasting signals received by the receiver and the service image information to be displayed on a display unit according to the service image information received from the exterior and the control commands stored in the storage unit; and a service providing server for storing the control commands and the service image information to be executed by the client terminal and transmitting the control commands and service image information to the client terminal.
  • the receiver receives at least one ⁇ f aerial broadcasting signal, cable broadcasting signal and satellite broadcasting signal.
  • the client terminal transmits socket ID information assigned thereto and state information to the service providing server.
  • the service providing server further comprises an advertiser server for collecting self-produced or commissioned-produced service image information and providing the collected service image information to the service providing server.
  • the ⁇ service providing server includes : a service image information database for storing the service image information; a socket ID database for storing the socket ID assigned to the client terminal and information of the client terminal; a location information database for storing the location information of the client terminal, the location information being linked with the socket ID; a service image information storing unit for selecting proper service image information according to the location information of the client terminal among the service image information stored in the service image information database; a control command detecting unit for detecting predefined control commands so as to control the client terminal; a ROM for storing predefined control commands and an operating program of the service providing server; an interface unit for transmitting the service image information and the control commands to the client terminal, and interfacing the service providing server and the communication network so as to receive various kinds of information from the client terminal; and a central processing unit for transmitting the service image information selected by the service image information selecting unit ' and the control commands detected by the control command detecting unit to the client terminal .
  • the service providing server further includes an information classification unit for classifying the service image information to store the classified service image information into the service image information database, and classifying the socket ID information transmitted from the client terminal to inform the central processing unit of the classified socket ID information.
  • the service providing server further includes a moving picture streaming module for transmitting the service image information selected by the service image information selecting unit to the client terminal in a streaming method, and the central processing unit controls the control command detecting unit to detect a control command for displaying the service image information transmitted from the moving picture streaming module on the display unit in real time, and transmitting the detected control command to the client terminal .
  • the service providing server compares the list of the service image information selected by the service image information selecting unit with that stored in the client terminal, detects the service image information to be downloaded according to the comparison result, and downloads the detected service image information to the client terminal .
  • the service providing server compares the list of the service image information selected by the service image information selecting unit with that stored in the client terminal, detects unnecessary service image information according to the comparison result, and detects a deletion command of the service image information via the control command detecting unit to request the client terminal to delete the unnecessary service image information.
  • the service providing server requests the client terminal to delete the unnecessary service image information at a time when the client terminal downloads new service image information to be downloaded.
  • the client terminal includes a timer for providing a time information and a control command storage unit for storing control commands, and controls states displayed according to a result obtained by comparing the time information detected by the timer and the control .commands stored in the control command storage unit.
  • a client terminal for receiving service image information and control command information transmitted from a service providing server via a communication network and displaying broadcasting image information transmitted from a broadcasting station according to the control command information.
  • the client terminal comprises: a reception means for receiving the broadcasting image information; a storage means for storing the service image information and the control command information, which are transmitted from the service providing server; a display means for displaying the broadcasting image information and the service image information; and a control means for controlling the service image information and the broadcasting image information to be displayed on the display means according to the control command information.
  • the display means displays the service image information on a predetermined area and the broadcasting image information on the remaining portions according to the control command information of the control means.
  • FIG. 1 is an entire construction diagram of an advertisement system using multi-channel broadcasting control function in accordance with the present invention
  • FIG. 2 is a schematic diagram of the service providing server shown in FIG. 1;
  • FIG. 3 is a block diagram of the client terminal in accordance with an embodiment of the present invention.
  • FIG. 4 is an operational flowchart of the service providing server shown in FIG. 1.
  • FIG. 1 is an entire construction diagram of an advertisement system using multi-channel broadcasting control function in accordance with the present invention
  • FIG. 2 is a schematic diagram of the service providing server shown in FIG. 1.
  • FIG. 3 is a block diagram of the client terminal in accordance with an embodiment of the present invention
  • FIG. 4 is an operational flowchart of the service providing server shown in FIG. 1.
  • a service providing server 100 and an advertiser server 200 are connected to each other via a communication network 300.
  • the advertiser server 200 provides service image information
  • the service providing server 100 downloads the service image information at a constant time period and updates/stores the downloaded service image information.
  • a client terminal 400 installed in an unspecified area and the service providing server 100 are connected to each other via the communication network 300 so that two-way communication can be performed between them.
  • the service providing server 100 classifies the service image information downloaded from the advertiser server 200 according to installation locations of each client terminal 400.
  • the client terminal 400 selectively displays the service image 'information downloaded according to a control of the service providing server 100, aerial wave broadcasting signals, cable broadcasting signals and satellite broadcasting signals, which are provided from a broadcasting server 500, on a display unit 600.
  • the client terminal 400 stores the service image information downloaded from the service providing server 100 and controls displaying states of the display unit
  • An information classification unit 102 classifies the service image information downloaded from the advertiser server 200 and simultaneously classifies socket ID information inputted from each client terminal 400.
  • a service image information selecting unit 103 selects the service image information according to the installation location of each client terminal 400 to allow each client terminal 400 to download the information, and simultaneously selects a service image information to be displayed at an arbitrary ' time point among the service image information downloaded by each client terminal 400.
  • a timer 104 generates a time information.
  • a control command detecting unit 105 detects a predefined control signal from a control command database 113. At this time, the predefined control signal is a signal used when the service providing server 100 controls each client terminal 400.
  • a moving picture streaming module 106 transmits the corresponding moving picture service image information to each client terminal 400 in a streaming method when the service image information selected by the service image information selecting unit 103 needs to be broadcast on the display unit 600 of the client terminal 400 in real time.
  • a service image information database 107 stores the service image information downloaded from the advertiser server 200.
  • a socket ID database 108 stores each socket ID assigned to each client terminal 400.
  • a location information database 109 stores the location information of each client terminal 400 through a link with the socket ID of each client terminal 400.
  • a central processing unit (CPU) 110 controls whole operations of the service providing server 100.
  • the CPU 110 classifies the service image information which is downloaded from the advertiser server 200 through the information classification unit 102 and stores the classified information into the service image information database 107.
  • the CPU 110 controls the service image information selecting unit 103 to select a service image information to be transmitted to each client terminal 400 among the service image information stored in the service image information database 107.
  • the CPU 110 transmits the control command detected in the control command detecting unit 105 to each client terminal 400 according to the information of each client terminal 400, which is stored in the socket ID database 108 and the location information database 109, thus controlling the displaying states of the display unit 600.
  • a ROM 111 stores various kinds of programs to be executed by the CPU 110 and predefined control signals to be transmitted to each client terminal 400 by the CPU 110.
  • a RAM 112 stores various kinds of temporary data generated while the CPU 110 executes the programs.
  • FIG. 3 is a block diagram of the client terminal in accordance with an embodiment of the 'present invention.
  • the . client terminal 400 includes: an image driving unit 420 for driving the display unit 600; a service image information storing unit 440 for storing the control command and the service image information, which are transmitted from the service providing server 100 via the interface 430; a control command storing unit 450; a receiver 470 for receiving the broadcasting signals from the broadcasting server 500; a control unit 410 for controlling the receiver 470 and the units contained in the client terminal 400; and an identification storing unit 460 for storing the socket IDs and information on location of the client terminal 400.
  • a timer 480 is a time generator and the control unit 410 executes a specific control command by comparing the time of the timer 480 with that indicated in the control command storing unit 450.
  • the service image information storing unit 440 can store an image data that can be reproduced as an image.
  • the service image information storing unit 440 reads out the address according to a control of the control unit 410 when the service image information is displayed on the display unit 600 and thus is connected to the service providing server 100 via the communication network. Then, the service image information storing unit 440 loads and displays the image information stored in corresponding address of the service information database 107 contained in the service providing server 100.
  • the display unit can be a monitor of a large scale TV or it can be implemented in a multi type in which a plurality of monitors are connected to each other.
  • the broadcasting server provides various broadcastings, e.g., a general aerial wave broadcasting, a cable TV broadcasting and a satellite broadcasting.
  • the broadcasting image received by the receiver 470 can be displayed on predetermined portion (s) of monitor (s) according to the control commands, and the service image information stored in the service image information storing unit 440 is displayed in the remaining portions .
  • the advertiser server 200 transmits the service image information (e.g., a moving picture service image information) to the service providing server 100 via a communication network, preferably Internet 300.
  • the CPU 110 of the service providing server 100 controls the information classification unit 102 to classify the service image information based on the kinds (the kinds of products, preference age groups, etc) , and stores the classified service image information into the service image information database 107 (S101) .
  • the client terminal 400 is turned on, it is automatically connected to the service providing server 100 via Internet 300 according to a predetermined program (e.g., an agent program) (S102) and the client terminal 400 transmits the socket ID and the location information, which are stored in the identification information storing unit 410, to the service providing server 100 according to a control of the control unit 410 (S103) .
  • a predetermined program e.g., an agent program
  • the CPU 110 of the service providing server 100 compares the received socket ID of the client terminal 400 with that stored in the socket ID database 108 to detect the installation location of the client terminal 400, the preferred products and specific information such as customer information (S104) , and controls the service image information selecting unit 103 to detect the most suitable service image information corresponding to the location information from the service image information database 107.
  • the control command detecting unit 105 detects the control command from the control command database 113. In addition, if there is no location information within the client terminal 400, the location information is detected from the location information database 109 constructed to match the socket ID and the location information.
  • the service image information selecting unit 103 detects the service image information of products, such as blue jeans, which attracts young consumers, and transmits the detected service image information to the client terminal 400.
  • the service image information selecting unit 103 detects the service image information of products, such as Western clothes and automobile, which attracts the office workers, and transmits the detected service image information to the client terminal 400.
  • the service image information selected by the service image- information selecting unit 103 and the control command detected by the control command detecting unit 105 are transmitted to the client terminal 400 via the interface unit 101 and the communication network 300 under a control of the CPU 110 (S105) . Then, the client terminal 400 updates and stores new service image information and control command.
  • control unit 410 of the client terminal 400 compares newly received service image information and control command with the service image information stored in the service image information storing unit 400 and the control command stored in the control command storing unit 450, and performs an updating operation such as deletion and arrangement of unnecessary service image information and command information (S106) .
  • the service providing server 100 transmits characters or specific moving picture, which is not stored in the service image information storing unit 440, to the client terminal 400 in a quick announcement or real time, thus displaying them on the display unit 600.
  • the moving picture service image information stored in the service image information database 107 of the service providing server 100 is detected and transmitted to the CPU 110.
  • the CPU 110 controls the moving picture streaming module 106 to transmit data obtained by converting the corresponding moving picture service image information into specific format (e.g., MPEG4 of MS) and the control command for allowing the client terminal 400 to perform real-time moving picture to the client terminal 400, thus displaying the real-time moving picture.
  • specific format e.g., MPEG4 of MS
  • the service image information storing unit 440 merely stores the address of the to-be-reproduced service image information of the service providing server 100. If the control command of the control command storing unit 450 indicates the to-be-displayed service image corresponding to the address, the address is transmitted to the service providing server 100 to allow the corresponding service image information to be transmitted from the service providing server 100 to the client terminal 400. Like this, ' if the client terminal 400 receives the service image information, it buffers the moving picture service image information received from the service providing server 100 and then transmits the buffered information to the display unit 600 via the image driving unit 420, so that the moving picture service image information transmitted from the service providing server 100 is displayed on the display unit 600.
  • the client terminal 400 generates data converted into image data in the image driving unit 420 according . to the control command transmitted from the service providing server 100 in real time and the control command stored in the control command storing unit 450.
  • the image displayed on the display unit 600 according to the control unit 410 of the client terminal 400 has various types .
  • the broadcasting that the receiver 470 receives according to the control command stored in the control command storing unit 450 can be displayed on the display unit 600 or the service image stored in the service image information storing unit 440 can be displayed. Also, the broadcasting image and the service image can be displayed in a predetermined ' portion of the display unit 600 and the other portions thereof, respectively. Further, character or specific moving picture can be displayed in real time under a control of the service providing server (S106) .
  • the service providing server 100 can load updated information of the identification information list received from the client terminal 400.
  • the service providing server 100 compares the list of the service image information selected in the service image information selecting unit 103 with that stored in the client terminal 400, and detects the service image information to be downloaded according to the comparison result.
  • the service providing server 100 downloads the detected service image information to the client terminal 400. If unnecessary service image information is detected, the service providing server 100 detects the deletion command of the service image information via the control command detecting unit 105 and requests the client terminal 400 to delete the unnecessary service image information, thus deleting the corresponding service image information.
  • the service providing server 100 requests the client terminal 400 to delete the unnecessary service image information when or before new service image information is downloaded to the client terminal 400, so that the unnecessary service image information is deleted.
  • the storage area can be utilized efficiently.
  • the advertisement system using multichannel broadcasting function in accordance with the present invention has following advantages .
  • the service providing server collectively controls moving picture advertisements, aerial wave broadcastings, cable broadcastings, satellite broadcastings of unspecified channels to display .them on display units (PDP, LCD, etc.) installed in unspecified areas, it is convenient to selectively display the service image information and the broadcasting information at a remote area.
  • the service image information is selectively provided according to the consumer class distribution in a specific area, thereby obtaining more efficient advertisement effect.
  • the service providing s'erver disposed at a remote area is informed of the states of the client terminal and the display unit, so that it is possible to check the failure of the corresponding client terminal and the display unit at a remote area.
  • the service image information of the corresponding client terminal can be changed at a remote area, it is convenient to provide new service image information at any time, thereby maximizing the advertisement effect.
  • the moving picture service image information can be transmitted in the streaming method and displayed, so that it is possible to rapidly cope with the change of the service image information.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Graphics (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Information Transfer Between Computers (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

La présente invention concerne un système d'annonces publicitaires qui met en oeuvre une fonction de commande de diffusion sur plusieurs canaux. Dans ce système d'annonces publicitaires, si un terminal client est allumé, il est connecté à un serveur fournisseur de services au moyen d'un programme d'agent et transmet un identifiant d'interface de connexion qui lui est attribué et des informations relatives à son état. Ledit serveur fournisseur de services analyse l'identifiant d'interface de connexion et les informations relatives à son état, puis le terminal client télécharge des informations en images relatives aux services corrects. De plus, ce serveur fournisseur de services modifie des canaux d'une unité d'affichage qui communique avec le terminal client en utilisant une commande prédéfinie et transforme l'état d'affichage.
PCT/KR2002/001921 2001-10-15 2002-10-15 Systeme mettant en oeuvre une fonction de commande de diffusion sur plusieurs canaux WO2003034736A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20010063343 2001-10-15
KR2001/63343 2001-10-15
KR2002/60155 2002-10-02
KR1020020060155A KR20020082454A (ko) 2001-10-15 2002-10-02 다중채널 방송 제어방식을 이용한 광고시스템

Publications (1)

Publication Number Publication Date
WO2003034736A1 true WO2003034736A1 (fr) 2003-04-24

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ID=26639392

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2002/001921 WO2003034736A1 (fr) 2001-10-15 2002-10-15 Systeme mettant en oeuvre une fonction de commande de diffusion sur plusieurs canaux

Country Status (1)

Country Link
WO (1) WO2003034736A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0993549A (ja) * 1995-09-27 1997-04-04 Toshiba Corp 文字多重デコーダ内蔵型多画面表示テレビ受信機
US5877817A (en) * 1996-05-28 1999-03-02 Samsung Electro-Mechanics Co., Ltd. Digital satellite broadcast receiver having simultaneous multi-channel search function, and control method therefor
WO1999052285A1 (fr) * 1998-04-03 1999-10-14 Discovery Communications, Inc. Annonce publicitaire ciblee utilisant des systemes de diffusion televisuels
KR20010015369A (ko) * 1999-07-19 2001-02-26 루센트 테크놀러지스 인크 텔레비젼 광고 전달 시스템 및 방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0993549A (ja) * 1995-09-27 1997-04-04 Toshiba Corp 文字多重デコーダ内蔵型多画面表示テレビ受信機
US5877817A (en) * 1996-05-28 1999-03-02 Samsung Electro-Mechanics Co., Ltd. Digital satellite broadcast receiver having simultaneous multi-channel search function, and control method therefor
WO1999052285A1 (fr) * 1998-04-03 1999-10-14 Discovery Communications, Inc. Annonce publicitaire ciblee utilisant des systemes de diffusion televisuels
KR20010015369A (ko) * 1999-07-19 2001-02-26 루센트 테크놀러지스 인크 텔레비젼 광고 전달 시스템 및 방법

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