Title:
【発明の名称】車両タイヤ識別システム
Document Type and Number:
Japanese Patent JPH04501939
Kind Code:
A
Abstract:
Electronic transponders (20) embedded within or on vehicle tires (40) are electromagnetically actuated by signals from an interrrogator coil (14). The transponder includes a receiver/transmitter coil (26) of one or more loops of wire (54) strategically placed along the sidewall or in proximity to the tread face of the tire. The transponder responds to actuation by producing a shifted frequency modulated with synchronization pulses and unique device identifying digital information. The transponder data stream can also include information on the condition and environment of the tire. By appropriate placement of the tire transponder coils and the interrogator coils, dynamic reading of the tire data is possible even with the vehicle in motion.
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Inventors:
Malmar, Michael M
Patten, Whitney
Patten, Whitney
Application Number:
JP50614890A
Publication Date:
April 02, 1992
Filing Date:
March 29, 1990
Export Citation:
Assignee:
Hughes Aircraft Company
International Classes:
B60C23/00; H04B5/00; B60C23/04; G06K7/00; G06K19/077; G07C9/00; H02J17/00; (IPC1-7): H04B5/00
Attorney, Agent or Firm:
Kyozo Yuasa (6 people outside)