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:
Mar. 01, 2011
Filed:
Dec. 26, 2006
Applicants:
Masayuki Saito, Matsumoto, JP;
Masahiko Tange, Kyoto, JP;
Akio Yamamoto, Hamamatsu, JP;
Inventors:
Assignee:
Roland Corporation, Hamamatsu, Shizuoka-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multimedia transmission system with redundant multiple strain transmission lines for transmitting packeted multimedia data that includes sound and/or video comprises an apparatus having send and receive function capabilities. The apparatus includes a carrier detection device adapted to detect a carrier related to that packeted multimedia data. A switch device is adapted to change over to a selected sending and/or receiving capable transmission line from among the redundant multiple strain transmission lines based on the carrier detection by the carrier detection device.