Lock for penitentiaries, has Hall detectors with strike plate arranged in accordance with position of magnets in bolt for detecting magnets polarities and sending signal to control electronics to indicate presence of bolt in plate

摘要

The lock has a bolt (1) with a free end (4) that has a number of unipolar magnets (3) arranged in a predetermined configuration. Hall detectors have a strike plate arranged in accordance with a position of magnets in the bolt for detecting a polarity of the magnets. The detectors send a signal to control electronics to indicate a presence of the bolt in a back of the plate.