SYSTEM FOR FINGERPRINT PERSONAL IDENTIFICATION AND GAS ANALYSIS DETECTION OF TRACE AMOUNTS OF SUBSTANCES ON PERSON'S FINGERS AT CHECK POINTS Russian patent published in 2010 - IPC A61B5/117 G06K9/00 G01N1/00 

FIELD: medicine.

SUBSTANCE: system comprises a sampling and detecting unit enclosed in a protective cover with a touch opening and accommodating a gas analyser spaced from the opening and generating an alarm when recording vapours of the controllable substances, a movable body having a contact pad exposed in the finger touch opening, a system for transferring the contact pad of the movable body to the gas analyser, a sensor activating a scanning cycle, a fingerprint reader arranged opposite to the contact pad, a desorption chamber hydraulically connected to the gas analyser, a cooling area, a control unit containing a device for fingerprint database storage and comparison to reference fingerprints, a person's identification indicator. In addition, the system accommodates a gas passage with its one end connected to an input of the gas analyser, and its other end - to a finger seat on the fingerprint reader. The movable body has an aperture wherein the contact pad closing the aperture and removable therefrom with a finger on the fingerprint reader, and a resilient member used to return the contact pad in a position to close the aperture of the movable body are fixed.

EFFECT: application of the presented system allows to detect the trace amounts of volatile substances, to improve reliability of fingerprint identification.

3 cl, 3 dwg