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:
Nov. 15, 2011
Filed:
Jan. 31, 2008
Hiroyuki Aono, Susono, JP;
Hiroyuki Aono, Susono, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
An object is to provide a communication device which can transmit different information for each lane in vehicle-to-roadside communications, while allowing vehicles to perform highly accurate position location. A communication device, placed on roadside, for transmitting information to a plurality of lanes, comprises a plurality of transmission means for respectively transmitting information to the plurality of lanes, and control means for causing the plurality of transmission means to simultaneously transmit common information to all the lanes and, during when the common information is not simultaneously transmitted, causing transmission means for a specific lane in the plurality of transmission means to transmit specific lane information having a content related to the specific lane while stopping transmission means for a lane adjacent to the specific lane in the plurality of transmission means from transmitting information; wherein the common information to be simultaneously transmitted contains at least a part of information making a line identifiable in the specific lane information in addition to information having a content common in all the lanes.