A hand-held data acquisition device includes a display presenting at least one of an address book, a date book, a memo pad, a to-do list, a contact manager, an expense tracker, an e-mail client, and a project manager, at least one of which contains multiple data items. An input device is operatively...http://www.google.com.hk/patents/US6178403?utm_source=gb-gplus-share專利 US6178403 - Distributed voice capture and recognition system
