Credit card detector and validator

Details Credit card detector and validator Credit card detector and validator

1994-03-28

1996-05-07

Peng, John K.

Communications: electrical

Condition responsive indicating system

Specific condition

34682533, 34682534, 235435, G08B 1314

Patent

active

055150314

ABSTRACT:
Apparatus and a method are disclosed for detecting that a credit card has not been returned to a user after use or that an incorrect card has been returned. A card holder holds one or more credit cards or the like and includes means for reading and storing a unique identification code applied to the cards. When a particular card is removed from the holder and not returned within a predetermined time interval, an alarm is activated. If a card having an incorrect identification code is returned to the card holder, an alarm is also activated. Further, if a card having an incorrect identification code is removed from the card holder, an alarm is also activated. The apparatus is programmable and password protection is optionally provided.

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