Identification apparatus

摘要

An individual trying to obtain credit or secure entry to a secured area, identifies himself by speaking preset words into a microphone after which a comparator compares an electrical signal derived from the spoken words with a similar electrical signal derived from a version of the words which has been pre-recorded by the person. The record may be carried in a magnetic or other strip recording on a credit card or may be one of a number of recordings in a bank kept at a central station in telephonic communication with the purchase or entry point.