Browse Prior Art Database

LOW-COST USER ACTIVITY MONITOR FOR PORTABLE OR MOBILE RADIOS

IP.com Disclosure Number: IPCOM000009693D
Original Publication Date: 2000-Jan-01
Included in the Prior Art Database: 2002-Sep-11
Document File: 2 page(s) / 129K

Publishing Venue

Motorola

Related People

Authors:
David Wheeler Chris Wright Yong Zhang

Abstract

A portable radio with a 'deadman' feature com- prising a timer. If the radio does not detect motion by the radio's user before the timer times out, then the user is warned. If the user does not respond, then the radio instigates an emergency routine.