APPARATUSES AND INSTRUMENTS FOR AUTOMATIC IDENTIFICATION OF INDIVIDUALS, FINGER OR PALM PRINTS, NAMELY, SENSORS FOR PROVIDING AN IMAGE OF FINGERPRINTS IN A FORM APT TO BE PROCESSED AND COMPARED WITH STORED IMAGES; SYSTEMS FOR BIOMETRIC CHECKING AND IDENTIFICATION HAVING A SENSOR FOR IMAGE ACQUISITION OF FINGERPRINTS AND/OR PALM PRINTS AND A COMPUTER FOR IMAGE PROCESSING AND MATCHING, ALL SOLD AS A UNIT; COMPUTER SOFTWARE FOR CHECKING OR AUTHENTICATING A PERSON'S IDENTITY FOR BIOMETRIC IDENTIF...