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. 26, 1988
Filed:
Aug. 11, 1986
Mikio Takeuchi, Zama, JP;
Kinichiro Nakano, Zama, JP;
Motoki Hirano, Yokohama, JP;
Takahisa Tomoda, Sagamihara, JP;
Nissan Motor Company, Limited, Yokohama, JP;
Abstract
An antenna for an automotive keyless entry system can ensure radio-wave transmission between a transmitter and a controller and can be conveniently mounted on a vehicle body. The antenna for an automotive keyless entry system, has a first planar antenna loop, and a second antenna loop disposed within the first antenna loop and lying in the plane thereof. The axis of the second antenna loop is substantially perpendicular to the axis of the first antenna loop. The first and second antenna loops form an antenna assembly which can be conveniently mounted on the vehicle body as, for example, within a door mirror of the vehicle.