Pre-stored no-touch or no-hover (no-event) sensor output values can initially be used when a sensor panel subsystem is first booted up to establish an initial baseline of sensor output values unaffected by fingers or other objects touching or hovering over the sensor panel during boot-up. This initial...http://www.google.fr/patents/US8077160?utm_source=gb-gplus-shareBrevet US8077160 - Storing baseline information in EEPROM
