Network system, network server and terminal device

• US 20050182819A1
• Filed: 04/15/2005
• Published: 08/18/2005
• Est. Priority Date: 03/12/1999
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Kawamoto, Youji, Hidaka, Isao, Tsunoda, Tomohiro
• Granted Patent: US 7,111,064 B2
• Time in Patent Office: Days
• US Class Current: 709/204
• CPC Class Codes: H04L 63/083 using passwords cryptographic mechanisms or cryptographic arrangements for entity authentication using a predetermined code H04L9/3226
• CPC Class Codes: H04L 63/104 Grouping of entities

Abstract

A network system, a network server and a terminal device, capable of easily and surely transmitting various information to a user being the destination of the information. The terminal device to be used by a user is recorded in the network server 22. The network server 22 converts information to be transmitted to the terminal device used by the user into information conformed to the terminal device used by the user, or transmits a notice to the terminal device to the effect that there is information to be transmitted to said user. Thereby, the information can be easily and surely transmitted to the user who is the destination of the information.

Claims

1. A network system connected to a terminal device and a network server via prescribed communication means, wherein:

said terminal device to be used by a user is recorded in said network server; and

said network server converts information to be transmitted to said terminal device used by the user into information conformed to said terminal device used by the user, and transmits this to said terminal device.

2. The network system according to claim 1, wherein;

said network server forms a group of plural users, and transmits information sent from a user who belongs to said group to a terminal device used by another user belonging to said group.

3. The network system according to claim 2, wherein;

said terminal device has interface means to connect storage means storing information peculiar to said user, and stores specific information on said group to which said user belongs in said storage means connected to said interface means.

4. A network system connected to a terminal device and a network server via prescribed communication means, wherein:

said terminal device used by a user is recorded in said network server; and

if there is information to be transmitted to said terminal device used by the user, said network server notifies said terminal device used by the user of the presence of the above information.

5. The network system according to claim 4, wherein;

said network server forms a group of plural users, and if there is information sent from a user who belongs to said group, said network server notifies a terminal device used by another user who belongs to said group of the presence of the above information.

6. The network system according to claim 5, wherein;

said terminal device has interface means to connect storage means storing information peculiar to said user, and stores specific information on said group to which said user belongs in said storage means connected to said interface means.

7. A network server connected to a terminal device via prescribed communication means, comprising:

recording means for recording said terminal device used by a user; and

transmission means for converting information to be transmitted to said terminal device used by the user into information conformed to said terminal device used by the user, and transmitting this to said terminal device.

8. The network server according to claim 7, wherein;

said network server has group forming means for forming a group of said recorded plural users; and

said transmission means transmits information sent from a user who belongs to said group to a terminal device used by another user belonging to said group.

9. A network server connected to a terminal device and via prescribed communication means, comprising:

recording means for recording said terminal device used by the user; and

notice means for notifying, if there is information to be transmitted to said terminal device used by the user, said terminal device used by the user of the presence of the above information.

10. The network server according to claim 9, wherein:

said network server has group forming means for forming a group of said recorded plural users; and

if there is information sent from a user who belongs to said group, said notice means notifies a terminal device used by another user belonging to said group of the presence of the above information.

11. A terminal device connected to a network server via prescribed communication means, comprising:

specific information transmission means for transmitting information peculiar to a user using said terminal device and information peculiar to said terminal device to said network server as specific information; and

group specifying information receiving means for receiving group specifying information to specify a group to which plural users including the user using said terminal device, from said network server; and

storage means for storing said received group specifying information.

12. The terminal device according to claim 11, wherein;

said storage means is external storage means freely removable from said terminal device.