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REPORTING AND SECURITY SYSTEM

  • US 3,757,089 A
  • Filed: 08/24/1971
  • Issued: 09/04/1973
  • Est. Priority Date: 08/24/1971
  • Status: Expired due to Term
First Claim
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1. In a system for providing employee attendance records in which each employee has a personal card including a plurality of indicia, each of which indicia represents a number in the decimal system;

  • different cards having different indicia to provide a discrete identification for each employee;

    the improvement comprising at least one reporting station having a set of number representing conductors, each of which conductors is preassigned to represent a different number in the decimal system, said set of conductors being connected for use with a plurality of different data input means, one of said data input means including a plurality of sets of electrical contact members, each of which sets represents the possible digits of a different one of the card indicia, and each of which is operative to connect an associated marking conductor to a different one of said number representing conductors;

    reader means for operating the electrical contact members in each set which represent the digits on an employee'"'"''"'"'s card as presented to the reporting station;

    scanner means for providing marking signals in a preprogrammed sequence to said marking conductors to thereby provide a marking signal on said number representing conductors in a given sequence to identify the card digits on said number representing conductors;

    converter means having an input circuit connected to each of said number representing conductors for providing different frequency output signals which represent the different digits which are marked on said number representing conductors according to a predetermined code; and

    output means for coupling the signal output of said converter to an associated recorder equipment.

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