The unwanted influence a noise-source environment upon a modulated (e.g., FSK-encoded) magnetic field-based communication system is diminished by a non-modulated AC magnetic field communication scheme that uses a demodulatorless magnetic field detector. When installed in a tag to be tracked by a geolocation...http://www.google.es/patents/US20020135479?utm_source=gb-gplus-sharePatente US20020135479 - ULTRA-SENSITIVE MAGNETIC FIELD RECEIVER CAPABLE OF OPERATING IN HIGH NOISE ENVIRONMENTS
ULTRA-SENSITIVE MAGNETIC FIELD RECEIVER CAPABLE OF OPERATING IN HIGH NOISE ...
Número de solicitud: 09/800,079 Número de publicación: US 2002/0135479 A1 Fecha de presentación: 6 Mar 2001 Patente emitida: US6476719 ( Fecha de emisión 5 Nov 2002)
