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Browse Prior Art Database

Alarm by on-board accelerometer against moving notebook PC

IP.com Disclosure Number: IPCOM000019124D
Original Publication Date: 2003-Aug-29
Included in the Prior Art Database: 2003-Aug-29

Publishing Venue

IBM

Abstract

This invention enables the following functions by using an accelerometer and an embedded controller on a mother board, without additional hardware device. (1) To alert to a user that the user is trying to move or carry a notebook PC, even though the HDD in the PC is being accessed (2) To prevent unnecessary alarm beep sound, when the device driver for the HDD head unloading function is working (3) To alarm beep sound regardless of the system audio settings by controlling the volume and mute signals via the embedded controller