MULTI-FREQUENCY TIRE PRESSURE MONITORING DETECTOR

WIPO Patent Application WO/2014/184676

A3

Methods, systems, and devices are provided for tire pressure detectors that may operate according to one of two or more selectable frequencies. Tire pressure detectors may include an RF section to modulate pressure information from a pressure sensor onto an output signal. The frequency of the output signal may be selectable from two or more frequencies based on a frequency required by a vehicle that the tire pressure detector is to be used with. An RF matching circuit may be coupled between the RF section and an antenna, with an impedance of the RF matching circuit selected based of the frequency of the output signal. Such impedance matching may provide a constant power level output from the tire pressure detector independent of the frequency of the tire pressure detector transmissions.

HENRIET NICOLAS (GB)
MARGUET EMMANUEL (GB)
BARRET IAN (GB)

PCT/IB2014/001691

March 05, 2015

April 15, 2014

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SCHRADER ELECTRONICS LTD (GB)
HENRIET NICOLAS (GB)
MARGUET EMMANUEL (GB)
BARRET IAN (GB)

B60C23/04; H04B1/04

US6948360B2	2005-09-27
US20020126005A1	2002-09-12
US20120119895A1	2012-05-17
US20050003771A1	2005-01-06
US20080106350A1	2008-05-08

"Atmel Fractional-N PLL Transmitter IC", 1 August 2011 (2011-08-01), 2325 Orchard Parkway, San Jose, CA 95131 USA, pages 1 - 26, XP055154625, Retrieved from the Internet [retrieved on 20141124]
ATMEL (DATASHEET): "TMPS CONTROL AND TRANSMIITER IC ATA6285/ATA6286", TMPS CONTROL AND TRANSMIITER IC ATA6285/ATA6286,, no. 4968AS-AUTO-09/06, 1 September 2006 (2006-09-01), pages 1 - 18, XP002494487

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