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:
Oct. 02, 2012
Filed:
Feb. 06, 2007
Toshiaki Ishibashi, Fukuroi, JP;
Katsuichi Osakabe, Hamamatsu, JP;
Toshiaki Ishibashi, Fukuroi, JP;
Katsuichi Osakabe, Hamamatsu, JP;
Yamaha Corporation, , JP;
Abstract
A communication conference system that enables users who have only a connecting unit via a telephone line network and users who have only an IP connecting unit to hold a talk session mutually without a need of an expensive dedicated conference server is provided. A talk session deviceincludes a network processing portion for transmitting/receiving voice information to/from other equipments via IP, and a terminal for inputting/outputting a voice signal. The talk session deviceis connected to a handset terminal of a telephonevia an adaptorthat converts the standards (mainly a level) of the voice signal. The talk session deviceis connected to other talk session devices via IP, and is connected to other telephones by a telephone line via the telephone. Accordingly, a user serving as a destination of the IP and a user serving as a destination of the telephone line are connected mutually.