METHOD AND DEVICE FOR DETECTING A PASSAGE ASSOCIATED WITH AN ACCESS DOOR

摘要

The invention relates to a method for detecting a passage associated with an access door, for example a boarding door or a building entrance which is secured in order to ensure a unicity of a person passage consisting in producing the profile of an entering person by means of first level detection means formed by the vertical bars of active infrared cells (D1) and in opening or holding closed the access door according to said profile.