G - Physics – 01 – S
Patent
G - Physics
01
S
343/50
G01S 13/88 (2006.01) G01S 13/56 (2006.01) G07C 9/00 (2006.01)
Patent
CA 1300721
ABSTRACT OF THE DISCLOSURE A method is disclosed for selecting different modes of operation of a means used for counting objects in a given area, such as persons waiting in an elevator lobby. In the method, the movements of the objects are monitored with at least one Doppler radar by observing the Doppler frequencies of the signals reflected by the objects. The method is characterized in that the operation of the means is switched between two modes of operation, so that the mode of operation primarily carrying out the counting of objects on the basis of their stopping and starting is used during a given time interval, and the mode of operation primarily observing merely the movements of the objects is used during another given time interval.
558910
Kontturi Risto
Kulju Hannu
G. Ronald Bell & Associates
Kone Elevator Gmbh
Kontturi Risto
Kulju Hannu
LandOfFree
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