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:
Apr. 09, 2013
Filed:
Dec. 22, 2010
Kan Ishimoto, Nagoya, JP;
Kan Ishimoto, Nagoya, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya-Shi, Aichi-Ken, JP;
Abstract
A telephone apparatus that can be connected to both an IP network and a public switched telephone network, the telephone apparatus includes: a microphone unit, a speaker unit, an operation unit that is operated by a user and a call control unit. The call control unit includes a call processing unit and a relay unit. The relay unit includes a call request transmission section; a conversion section; an analog voice data transmission section; and a digital voice data transmission section. Another telephone apparatus that can be connected to the IP network can perform a voice data communication with a public line telephone apparatus connected to the public switched telephone network, via the above-described telephone apparatus.