The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 16, 2011
Filed:
Feb. 11, 2005
Naoyuki Uramatsu, Tokyo, JP;
Tomoki Ohkawa, Tokyo, JP;
Wataru Negishi, Tokyo, JP;
Toshiyuki Yamasaki, Tokyo, JP;
Osamu Tokunaga, Tokyo, JP;
Naoyuki Uramatsu, Tokyo, JP;
Tomoki Ohkawa, Tokyo, JP;
Wataru Negishi, Tokyo, JP;
Toshiyuki Yamasaki, Tokyo, JP;
Osamu Tokunaga, Tokyo, JP;
Pioneer Corporation, Tokyo, JP;
Abstract
A version update method is provided for updating a version of a communication system application program installed in a plurality of terminals connected to a communication network and operating between at least two terminals. The method includes: starting communications between the two of the plurality of terminals; exchanging version information of the communication system application program between the two terminals communicating with each other and making a comparison between the version information held in one terminal and that in the other; making a request for transmitting the communication system application program file of the version not held in either terminal; and transmitting the communication system application program file of the specified version to the terminal making the request.