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:
Jul. 28, 2009
Filed:
Apr. 27, 2005
Shinji Sakano, Kamakura, JP;
Kanji Tabeya, Kooriyama, JP;
Masahito Hirokawa, Sukagawa, JP;
Hitachi Communication Technologies, Ltd., Tokyo, JP;
Abstract
A television phone adapter which permits an ordinary analog telephone to switch between being a telephone with a video function and a telephone without a video function. The television phone adapter includes a telephone adapter unit that detects dial operation of an analog telephone connected to a router with an IP telephone function, a video adapter unit that connects and disconnects a video connection using an IP network, sends a video taken by a camera to a communication partner and outputs a video received from the communication partner to a displaythrough the video connection in the connected state. A translation table stores correspondence between dial operation and a setting content. A main control unit controls connection and disconnection of the video connection by the video adapter unit, according to setting/content items corresponding to dial numbers or dial tones detected by the telephone adapter unit, when the control content translation table stores the setting/content items corresponding to the dial numbers or tones detected by the telephone adapter unit.