BUTTON-TYPE CODED DEVICE Russian patent published in 1999 - IPC

FIELD: automatic safeguarding devices. SUBSTANCE: device can be used in systems for automatic safeguarding of premises and any other objects. Button-type coded device has selection of pressure button-type members which control aforesaid device. Pressure button-type control members are made so as to permit operation of device depending on preset depth of depression of each button-type member. Button-type control members are adapted for possible pressure at determined pitch and with possibility of their return back to initial position. Aforesaid embodiment of coded device allows for enhancing secrecy together with preventing possibility of decoding by unauthorized persons. EFFECT: higher efficiency. 2 cl, 2 dwg