RF-immobilizer and contactless ignition for a motor vehicle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Dec 13, 2007
app pub date -
Mar 19, 2007
filing date -
Mar 20, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A contactless ignition and RF immobilizer for use with motor vehicle ignition systems. The apparatus uses many of the prior art components, however, it eliminates the need for a metal cylinder that contacts a key blade. Instead, a plastic cylinder with a magnet is provided that will activate at least two reed switches to achieve the various ignition system positions. The blade of the key merely functions to open the door and trunk locks. Since the reed switches are very small, additional switches could be added to measure tire pressure, keyless entry and a host of other functions, if they are all placed within the operating range of the molded RF antenna.
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