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:
Aug. 29, 2006
Filed:
Aug. 04, 2003
Kent Bryant Pfeifer, Los Lunas, NM (US);
Robert Leslie Williams, Albuquerque, NM (US);
Robert Lee Waldschmidt, Calgary, CA;
Catherine Hook Morgan, Ann Arbor, MI (US);
Kent Bryant Pfeifer, Los Lunas, NM (US);
Robert Leslie Williams, Albuquerque, NM (US);
Robert Lee Waldschmidt, Calgary, CA;
Catherine Hook Morgan, Ann Arbor, MI (US);
The Goodyear Tire & Rubber Company, Akron, OH (US);
Abstract
A surface acoustic wave device includes a micro-machined pressure transducer for monitoring tire pressure. The device is configured having a micro-machined cavity that is sealed with a flexible conductive membrane. When an external tire pressure equivalent to the cavity pressure is detected, the membrane makes contact with ridges on the backside of the surface acoustic wave device. The ridges are electrically connected to conductive fingers of the device. When the detected pressure is correct, selected fingers on the device will be grounded producing patterned acoustic reflections to an impulse RF signal. When the external tire pressure is less than the cavity reference pressure, a reduced reflected signal to the receiver results. The sensor may further be constructed so as to identify itself by a unique reflected identification pulse series.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile