Multimedia system and navigation unit terminal
First Claim
1. A multimedia system including a plurality of unit terminals, comprising:
- a master unit terminal defined as one of said plurality of unit terminals in said multimedia system and functioning as an interface for performing communications with a server located outside said multimedia system and with each of said plurality of unit terminals; and
a slave unit terminal defined as a unit terminal other than said master unit terminal in said plurality of unit terminals and connected on a communication-enabled basis to said master unit terminal;
said multimedia system updating the program held on said slave unit terminal by performing the communications with said server and with said master unit terminal;
said multimedia system further comprising;
a slave information acquiring unit acquiring, when said master unit terminal and said slave unit terminal are connected on the communication-enabled basis, property information on said slave unit terminal for said master unit terminal;
an update program acquiring unit acquiring an update program for said slave unit terminal from said server via said master unit terminal on the basis of the property information acquired by said slave information acquiring unit; and
an updating unit updating a program in said slave unit terminal into the update program acquired by said update program acquiring unit.
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Accused Products
Abstract
A multimedia system includes a master unit terminal and slave unit terminals. The master unit terminal functions as an interface for communications with an external server, in which status a program updating process is executed between the server and the slave unit terminal. In the multimedia system, property information on the slave unit terminal is acquired when the master unit terminal is connected to the slave unit terminal on a communication-enabled basis, an update program for the slave unit terminal is acquired from the server via the master unit terminal on the basis of the property information, and thereafter the updating process is executed. This scheme in the multimedia system enables troublesomeness felt by a user to be reduced to the greatest possible degree and security for updating the program of the unit terminal to be guaranteed.
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Citations
13 Claims
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1. A multimedia system including a plurality of unit terminals, comprising:
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a master unit terminal defined as one of said plurality of unit terminals in said multimedia system and functioning as an interface for performing communications with a server located outside said multimedia system and with each of said plurality of unit terminals; and a slave unit terminal defined as a unit terminal other than said master unit terminal in said plurality of unit terminals and connected on a communication-enabled basis to said master unit terminal; said multimedia system updating the program held on said slave unit terminal by performing the communications with said server and with said master unit terminal; said multimedia system further comprising; a slave information acquiring unit acquiring, when said master unit terminal and said slave unit terminal are connected on the communication-enabled basis, property information on said slave unit terminal for said master unit terminal; an update program acquiring unit acquiring an update program for said slave unit terminal from said server via said master unit terminal on the basis of the property information acquired by said slave information acquiring unit; and an updating unit updating a program in said slave unit terminal into the update program acquired by said update program acquiring unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A multimedia system including a plurality of unit terminals, comprising:
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a server supplying, when updating a program in a unit terminal, a new program to said unit terminal; a master unit terminal defined as one of said plurality of unit terminals in said multimedia system and functioning as an interface for performing communications with said server and with each of said plurality of unit terminals; a slave unit terminal defined as a unit terminal other than said master unit terminal in said plurality of unit terminals and connected on a communication-enabled basis to said master unit terminal; a slave information acquiring unit acquiring, when said master unit terminal and said slave unit terminal are connected on the communication-enabled basis, property information on said slave unit terminal for said master unit terminal; an update program acquiring unit acquiring an update program for said slave unit terminal from said server via said master unit terminal on the basis of the property information acquired by said slave information acquiring unit; and an updating unit updating a program in said slave unit terminal into the update program acquired by said update program acquiring unit.
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13. A navigation unit terminal comprising a navigation information acquiring unit acquiring navigation information from an external server located outside a vehicle,
said navigation unit terminal being mounted on the vehicle and navigating the vehicle on the basis of the navigation information acquired by said navigation information acquiring unit, said navigation unit terminal being connected to a single or plural slave unit terminals mounted on the vehicle on a communication-enabled basis and functioning as an interface for performing the communications with a multimedia system including said navigation unit terminal and said slave unit terminal(s) and with said external server, said navigation unit further comprising: -
a slave information acquiring unit acquiring property information on said slave unit terminal when said navigation unit terminal is connected to said slave unit terminal on the communication-enabled basis; an update program acquiring unit acquiring an update program needed for updating a program in said slave unit terminal from said external server via said navigation information acquiring unit on the basis of the property information acquired by said slave information acquiring unit; and an updating unit causing said slave unit terminal to update the program in said slave unit terminal into the update program acquired by said update program acquiring unit.
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Specification