A portable handheld computing device has a notification system that alerts a user of an event regardless of whether the device is on or off. The notification system has a notification mechanism that is activated upon occurrence of the event and remains active until the user acknowledges the activated...http://www.google.fr/patents/US20010001552?utm_source=gb-gplus-shareBrevet US20010001552 - Handheld computing device with external notification system
Handheld computing device with external notification system
Numéro de demande: 09/767,530 Numéro de publication: US 2001/0001552 A1 Date de dépôt: 22 janv. 2001 Brevet délivré: US6374277 ( Date de délivrance 16 avr. 2002)
