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:
Feb. 19, 2013
Filed:
Jun. 18, 2009
Shinji Usuba, Tokyo, JP;
Tomokazu Konishi, Tokyo, JP;
Yoshinori Sekine, Tokyo, JP;
Oki Electric Industry Co., Ltd., Tokyo, JP;
Abstract
Speech telephones are incorporated in a LAN, and, for example, when a voice telephonecommunicates with another voice telephone, call control is performed through exchange of information between a PCand a PC, juxtaposed with the voice telephones, respectively, via a LAN hub, a LAN switching unitand a LAN hub. Speech data of the respective telephones, andare packetized in the data block of a MAC frame by concentrators, andfor voice telephones, respectively, and relayed to LAN-SW interfaces, and. Frames having a function of absorbing fluctuation are applied to the data block of the interfacesand. Respective voice data packetized according to the MAC address of the MAC frame are delivered to the voice telephones, and, respectively, via the LAN switching unit, and the concentrators, andfor voice telephones.