NONCONTACT HIGH-SECURITY ELECTRONIC CODE UNLOCKING DEVICE Russian patent published in 2013 - IPC G08B25/10 

FIELD: physics.

SUBSTANCE: device has a low-power radio frequency transmitter with high-frequency signal code pulse modulation in form of an electronic key which consists of an encryptor, a modulator, a driving generator, an antenna and a modulation control button; a receiving device which consists of an antenna in form of a spiral, a receiver, a decoder and an integrating circuit for controlled series-connected trinistors; an input device as part of a hermetic contact and a solenoid, placed together with the antenna of the receiving device on a chassis made from nonmagnetic material; a self-charging battery; the antenna of the electronic key is in form of a brass tube which ends with a magnetic rod of the same diameter as the tube inside which the hermetic contact is fitted; the outer diameter of the antenna of the electronic key and the inner diameter of the input hole in the chassis of the input device are of comparable size; the input device is enclosed in a metal shield.

EFFECT: more secure and reliable unlocking of any secure technical objects having an actuating locking mechanism in their composition.

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