Paul Antuane Mcdaniel

US Patent:

20030090387, May 15, 2003

Filed:

Jul 19, 2002

Appl. No.:

10/199849

Inventors:

James Lestienne - Chapel Hill NC, US
Paul McDaniel - Holly Springs NC, US
Richard Schuman - Cary NC, US
Dilbir Kalra - Cary NC, US

International Classification:

G08B005/22

US Classification:

340/825490, 340/572800

Abstract:

A badge () for locating and tracking a hospital asset () includes a motion sensor () carried by the asset () that generates a motion signal when the asset () is in motion. The motion signal varies with changes in the speed of the moving asset (). The badge () further includes a transmitter () coupled to the motion sensor () that transmits an information signal at a transmission rate that varies as a function of the variable motion signal. The badge () may be configured to provide fault tolerant reception by transmitting information in packets including periodic error codes.