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. 18, 2003
Filed:
Feb. 26, 2002
Masaki Terashima, Tokyo, JP;
Yoshiteru Hirano, Tokyo, JP;
Makoto Takemoto, Kanagawa, JP;
Akihiro Inui, Kanagawa, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A road antenna apparatus includes a road antenna which is mounted on a post and at an elevated position on a road R and establishes radio communication with an on-vehicle radio device mounted in a vehicle which is traveling over the road. A receiving rate of the established radio communication is detected. A transmission output is set based on detecting a suitable receiving rate for a desired communications area established between the transmitter and the receiver.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile