Data distribution server, terminal, and data distribution system

• US 7,171,477 B2
• Filed: 03/26/2001
• Issued: 01/30/2007
• Est. Priority Date: 03/27/2000
• Status: Expired due to Term

• Current Assignee: Godo Kaisha IP Bridge 1 (IP Bridge, Inc.)
• Original Assignee: Sanyo Electric Company Limited (Panasonic Holdings Corporation)
• Inventors: Hori, Yoshihiro, Ota, Seiya
• Primary Examiner(s): SALAD, ABDULLAHI ELMI
• Application Number:
  US10/239,190
• Publication Number:
  US 20030105835A1
• Time in Patent Office: 2,136 Days
• Field of Search: 709227-228, 709/226, 709223-224, 709/231, 709/217, 455/453
• US Class Current: 709/227
• CPC Class Codes: H04L 63/0428 wherein the data content is protected, e.g. by encrypting or encapsulating the payload
• CPC Class Codes: H04L 63/0823 using certificates cryptographic mechanisms or cryptographic arrangements for entity authentication involving certificates H04L9/3263
• CPC Class Codes: H04L 63/0869 for achieving mutual authentication cryptographic mechanisms or cryptographic arrangements for mutual authentication H04L9/3273
• CPC Class Codes: H04L 67/1001 for accessing one among a plurality of replicated servers
• CPC Class Codes: H04L 67/1021 based on client or server locations
• CPC Class Codes: H04M 1/72403 with means for local support of applications that increase the functionality
• CPC Class Codes: H04M 1/72442 for playing music files
• CPC Class Codes: H04M 2207/18 wireless networks
• CPC Class Codes: H04M 3/4938 comprising a voice browser which renders and interprets, e.g. VoiceXML
• CPC Class Codes: H04W 12/033 of the user plane, e.g. user's traffic
• CPC Class Codes: H04W 4/00 Services specially adapted for wireless communication networks; Facilities therefor
• CPC Class Codes: H04W 48/20 Selecting an access point

Abstract

A data delivery server (18) includes a download server (24), and a mobile telephone (12) is connected to the download server (24) via an Internet (20), a mobile telephone network (16), and a radio base station (14). The mobile telephone (12) is capable of downloading desired music data from the data delivery server (18). More specifically, a menu server (22) determines one access point where traffic is not congested based on a connection situation to the access point of the download server (24), and transmits to the mobile telephone (12) download information including a content ID which recognizes a determined access point and the desired music data. Therefore, the mobile telephone (12) is capable of downloading the music data by connecting it to the download server (24) from the access point where traffic is not congested based on the download information. Thus, a required time for downloading cannot be longer than necessary.

Claims

1. A communication terminal which sequentially connects to a menu server and a download server included in a data delivery server so as to receive and store content data, comprising:

a first establishing means which establishes a connection between said communication terminal and said menu server;

an obtaining means which obtains from said menu server download information including data information showing at least said content data to be downloaded and access point information showing an access point where a traffic is not congested to said download server;

a cutting-off means which cuts-off the connection between said communication terminal and said menu server when obtaining said download information;

a second establishing means which establishes a connection between said communication terminal and said download server based on said access point information included in said download information obtained by said obtaining means when the connection between said communication terminal and said menu server is severed by said cutting-off means;

a transmission means which transmits to said download server said data information included in said download information when connected to said download server;

a receiving means which receives said content data transmitted from said download server in accordance with said data information; and

a storing means which stores said content data received by said receiving means.

2. A communication terminal which sequentially connects to a menu server and any one of a plurality of download servers included in a data delivery server so as to receive and store content data, comprising:

a first establishing means which establishes a connection between said communication terminal and said menu server;

an obtaining means which obtains from said menu server download information including data information showing at least said content data to be downloaded and access point information which is an access point to said one download server selected by said menu server and showing the access point where a traffic is not congested;

a cutting-off means which cuts-off the connection between said communication terminal and said menu server when obtaining said download information;

a second establishing means which establishes a connection between said communication terminal and said one download server based on said access point information included in said download information obtained by said obtaining means when the connection between said communication terminal and said menu server is severed by said cutting-off means;

a transmission means which transmit to said one download server said data information included in said download information when connected to said one download server;

a receiving means which receives said content data transmitted from said download server in accordance with said data information; and

a storing means which stores said content data received by said receiving means.

3. A communication terminal which sequentially connects to a menu server and a download server included in a data delivery server so as to receive content data and store said content data into a connected recording medium, comprising:

a first establishing means which establishes a connection between said communication terminal and said menu server;

an obtaining means which obtains from said menu server download information including data information showing at least said content data to be downloaded and access point information showing an access point where a traffic is not congested to said download server;

a cutting-off means which cuts-off the connection between said communication terminal and said menu server when obtaining said download information;

a second establishing means which establishes a connection between said communication terminal and said download server based on said access point information included in said download information obtained by said obtaining means when the connection between said communication terminal and said menu server is severed by said cutting-off means;

a transmission means which transmit to said download server said data information included in said download information when connected to said download server;

a receiving means which receives said content data transmitted from said download server in accordance with said data information;

a connecting means which connects to said recording medium so as to transmit and receive at least said content data; and

a storing control means which stores said content data received by said receiving means to said recording medium connected by said connecting means.

4. A communication terminal which sequentially connects to a menu server and any one of a plurality of download servers included in a data delivery server so as to receive content data and store said content data into a connected recording medium, comprising:

a first establishing means which establishes a connection between said communication terminal and said menu server;

an obtaining means which obtains from said menu server download information including data information showing at least said content data to be downloaded and access point information which is an access point to said one download server selected by said menu server and showing the access point where a traffic is not congested;

a cutting-off means which cuts-off the connection between said communication terminal and said menu server when obtaining said download information;

a second establishing means which establishes a connection between said communication terminal and said one download server based on said access point information included in said download information obtained by said obtaining means when the connection between said communication terminal and said menu server is severed by said cutting-off means;

a transmission means which transmit to said one download server said data information included in said download information when connected to said one download server; and

a receiving means which receives said content data transmitted from said one download server in accordance with said data information;

a connecting means which connects to said recording medium so as to transmit and receive at least said content data; and

a storing control means which stores said content data received by said receiving means to said recording medium connected by said connecting means.