Apparatuses for electronic identification of a plurality of passing units and methods of electronic identification of a plurality of passing units

摘要: In one aspect, the invention encompasses a system for electronic identification of plurality units. The comprises transponders which are connected with respective individual units, and comprise antennas. further an interrogator configured to read transponders. includes antenna. At least antenna or transponder antennas coil conductive material has first planar portion within plane second plane, planes intersecting. another method passing animal bodies, wherein bodies have associated therewith. An having therewith is provided. proximate housing periphery shape comprising recessed central region projecting peripheral extending from region. Animal passed by housing, at some purposefully bumped against bumping into changes orientation relative