(57) The present invention is an optoelectronic lock using optical guides. It is designed
to prevent access to areas, vehicles and machines.
It basically consists of a lock cylinder (24), normally located in the object to be
protected, an optoelectronic module (12), one or more optical guide collectors (9),
a set of optical guides (8) assembled in a cable (11), a source of electromagnetic
radiation (6) and one or more keys (25).
The lock cylinder (24) incorporates a lock-identifier (1) with N2 cross keyholes (7), each of which contains the tip of an optical guide (8).
The key (25) is fitted with a key-identifier (2), the shape and dimensions of which
are perfectly adapted to those of the lock-identifier (1), and which have a longitudinal
keyhole (4) from which a number of radial keyholes (3) branch off; the latter are
positioned in such a way as to coincide with some of the cross keyholes (7). The longitudinal
keyhole (4) contains the optical guide (82) which branches off through the radial
keyholes (3) to form the optical guides (83).
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