FIELD: identification systems engineering.
SUBSTANCE: system has reader with transmitter for relaying signal and multiple response devices with receivers for reader signal. When reader recognizes signal from response device, it immediately transmits stop command to all other active response devices and transfers control to said response device with no necessity for timing confirmation. Reader may transmit command for blocking/activation, to block operation of controlling response device, to return control to reader and to reactivate stopped, but not blocked response devices.
EFFECT: simplified construction, faster operation.
4 cl, 9 dwg
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Authors
Dates
2004-10-20—Published
1998-05-14—Filed