Detection of bodies

Details Detection of bodies Detection of bodies

2006-12-05

2006-12-05

Hofsass, Jeffery (Department: 2612)

Communications: electrical

Condition responsive indicating system

With particular system function

C340S573100, C340S552000, C340S541000, C455S101000

Reexamination Certificate

active

07145452

ABSTRACT:
Detection of the presence of an animal body, for instance a human, in a detection zone is achieved by generating a low power LF field (17) between antennae (12, 18), and by measuring the disturbance of this field by the body. An analyser (16) is used detect such disturbance by measuring changes in the phase of the received signal (19).

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