Patent ID: 6567005
Filing Date: 2003-05-20
Classification: G01S

Abstract:
A method of actuating an operation of a system and for use with a plurality of spatially distributed indicators for providing a user-perceivable indication, comprising the steps of:(a) selecting, within an environment for personnel within which said personnel are able to move substantially freely, at least one arbitrary region having no association with said operation at a time of selection; (b) storing in a memory said at least one selected region; (c) determining a position of at least one transponder anywhere within said space; and (d) actuating said operation when said position of said at least one transponder is determined to be within said at least one selected region, wherein said method comprises selecting, in response to an actuation of said operation, one of said indicators nearest said at least one transponder whose position is determined to be within said at least one selected region to produce an indication of acknowledgement of said actuation of said operation.