METHODS FOR USING A SURFACE ACOUSTIC WAVE RESONATOR FOR AUTOMOBILE SECURITY

Remote keyless entry (RKE) systems and devices are described. The RKE devices include one or more passive radios that respond to an interrogation signal from an interrogating device such as a vehicle. The passive radio sends a responsive signal that can include a decaying portion representing a ring...

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Bibliographische Detailangaben
Hauptverfasser:	WEINBERG, Harvey, YU, Tao, POO, Tze Lei, HWANG, Eugene Oh
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BASIC ELECTRONIC CIRCUITRY ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS PERFORMING OPERATIONS RESONATORS TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	Remote keyless entry (RKE) systems and devices are described. The RKE devices include one or more passive radios that respond to an interrogation signal from an interrogating device such as a vehicle. The passive radio sends a responsive signal that can include a decaying portion representing a ringdown signal. The passive radio includes a SAW resonator in some situations. Des systèmes et des dispositifs de télédéverrouillage (TDV) sont décrits. Les dispositifs TDV comprennent une ou plusieurs radios passives qui répondent à un signal d'interrogation provenant d'un dispositif d'interrogation tel qu'un véhicule. La radio passive envoie un signal de réponse qui peut comprendre une partie de décroissance représentant un signal manuel. La radio passive comprend un résonateur SAW dans certaines situations.