Title:
タイヤに高周波アンテナを埋め込む方法
Document Type and Number:
Japanese Patent JP2006507967
Kind Code:
A
Abstract:
A radio frequency antenna (12) for use with a radio device (10) embedded in a tire 14) for operation in a frequency range of at least 130 MHz, comprises an antenna body, and an insulating coating surrounding the antenna body, the insulating coating having a dielectric constant less than a dielectric constant of the rubber material, and preferably less than 3, and having a thickness of at least 0.02 mm. The coating material preferably has a surface resistivity of at least 10<12¿ ohms/sq and a volume resistivity of at least 10?9¿ ohms*cm. In addition, the coating material preferably has a dissipation factor less than 0.03. The antenna body is preferably a wire formed of spring steel, brass coated spring steel, or spring brass.
Inventors:
Adamson, john, david
Kerry, charles, edward
O'Brien, George, Phillips
Kerry, charles, edward
O'Brien, George, Phillips
Application Number:
JP2004512441A
Publication Date:
March 09, 2006
Filing Date:
December 03, 2002
Export Citation:
Assignee:
Societe du Technology Michelin
Michelin Le Cherche Technic Society Anonymous
Michelin Le Cherche Technic Society Anonymous
International Classes:
B60C19/00; B29D30/06; B60C23/04; H01Q1/22
Attorney, Agent or Firm:
Takashi Koshiba