Tire information communication device

Details Tire information communication device Tire information communication device

2005-03-04

2008-11-25

Allen, Andre J (Department: 2855)

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

Reexamination Certificate

active

07454966

ABSTRACT:
A receiving antenna RA of a receiving unit RU is positioned at an inner diameter side of a rotation locus of a transmitting unit TU when a tire T rotates. Consequently, it shortens a reaching distance of electromagnetic waves and lessens its change, thereby making it easy to keep a stable receiving sensitivity state. Moreover, the receiving antenna RA is made of a wire of a predetermined length that is made integral inside a wire harness WH connected to the receiving unit RU. Consequently, it becomes easy to make the receiving antenna RA in a length of λ/4 of a wavelength λ of the electromagnetic waves in use, a length of an integral multiple thereof, or ⅝λ. As a result, the receiving sensitivity can be improved.

REFERENCES:
patent: 6-219113 (1994-08-01), None
patent: 10019710 (1998-01-01), None
patent: 10309914 (1998-11-01), None
patent: 2003006779 (2003-01-01), None
patent: 2003-283537 (2003-10-01), None
patent: 2004244851 (2004-09-01), None
patent: 2005055319 (2005-03-01), None
patent: 2005138605 (2005-06-01), None
Japanese Office Action dated Aug. 7, 2007.

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