Identification code determining apparatus for use in transaction processing apparatus
First Claim
1. An apparatus for performing a transaction by using a record medium in which at least an identification code is machine readably recorded, comprising:
- means for reading out the identification code recorded in said record medium,entry means for entering, by a person seeking to perform a transaction, a secret number which corresponds to the identification code on said record medium,means responsive to said secret number and said identification code for determining the validity of the record medium,means for storing a first predetermined number corresponding to a number of times that unsuccessful entry attempts of the secret number are permitted,storage means having a first storage region for storing a number of unsuccessful entry attempts of the secret number through said entry means and a second storage region for storing the time of the most recent unsuccessful entry attempt,means for comparing said number of unsuccessful entry attempts stored in said first storage region of said storage means, with said first predetermined number stored in said storing means for determining whether the number of unsuccessful entry attempts exceeds the first predetermined number, andmeans responsive to determination of said comparing means that the number of unsuccessful entry attempts exceeds the first predetermined number, for disabling and validity determining means during a predetermined time period after the time of the most recent unsuccessful entry attempt stored in said second storage region of the storage means.
1 Assignment
0 Petitions
Accused Products
Abstract
A transaction processing apparatus permits transaction processing when using a record medium in which customer identifying information is recorded and an identification code entered by a customer is valid. Determination of validity of an identification code is made when a correct identification code is entered while less than a predetermined number of erroneous entries are made, or when a correct identification code is entered within a predetermined time in the case of erroneous entries in excess of the predetermined number. In case that an erroneous entry is again made after more than the predetermined number of erroneous entries the predetermined time period during which it is permitted to determine validity of the entered identification code is increased to a longer time period as the number of erroneous entries increases. In addition, in case that the number of unconditionally acceptable erroneous entries exceeds a relatively large number of times, the record medium is registered as an invalid card.
105 Citations
9 Claims
-
1. An apparatus for performing a transaction by using a record medium in which at least an identification code is machine readably recorded, comprising:
-
means for reading out the identification code recorded in said record medium, entry means for entering, by a person seeking to perform a transaction, a secret number which corresponds to the identification code on said record medium, means responsive to said secret number and said identification code for determining the validity of the record medium, means for storing a first predetermined number corresponding to a number of times that unsuccessful entry attempts of the secret number are permitted, storage means having a first storage region for storing a number of unsuccessful entry attempts of the secret number through said entry means and a second storage region for storing the time of the most recent unsuccessful entry attempt, means for comparing said number of unsuccessful entry attempts stored in said first storage region of said storage means, with said first predetermined number stored in said storing means for determining whether the number of unsuccessful entry attempts exceeds the first predetermined number, and means responsive to determination of said comparing means that the number of unsuccessful entry attempts exceeds the first predetermined number, for disabling and validity determining means during a predetermined time period after the time of the most recent unsuccessful entry attempt stored in said second storage region of the storage means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
Specification