ELECTRONIC SEAL Russian patent published in 2015 - IPC G08B13/06 G08B21/00 G09F3/03 

FIELD: physics, signalling.

SUBSTANCE: invention relates to alarm signalling electronics and can be used for development of access control means and processes. This seal comprises case composed of two electrodes separated by dielectric insert to make capacitive sensor electrically connected in-case components. Said electrodes are connected to power supply, induction communication interface winding and electronic unit to measure capacity of said sensor, to process and store the data, and protective cap.

EFFECT: higher jamming immunity, decreased dependence of temperature.

4 cl, 3 dwg