Browse Prior Art Database

Credit Card With an Erasable Field for Human Readability

IP.com Disclosure Number: IPCOM000093921D
Original Publication Date: 1966-Apr-01
Included in the Prior Art Database: 2005-Mar-06
Document File: 2 page(s) / 34K

Publishing Venue

IBM

Related People

Ross, RM: AUTHOR

Abstract

This credit card has a field or section that can be read by humans. The field or section is written on by machine and is also erasable. Card 10 is provided with human readable section 12 made from an internal reflection device comprising a black waxed base 14 with a translucent, clear plastic film 16. The latter is impressed on base 14 to make a visible mark. The impression can be cleared with a sharp pulse of air through tube 18, which separates film 16 and base 14. The erasure can be done when card 10 is inserted into a credit system terminal in making a purchase or an inquiry as to the balance. Magnetic field 20 is provided on card 10 for machine readable identification of the card holder. This identification can also be provided by punches, notches or raised letters or code.

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Credit Card With an Erasable Field for Human Readability

This credit card has a field or section that can be read by humans. The field or section is written on by machine and is also erasable. Card 10 is provided with human readable section 12 made from an internal reflection device comprising a black waxed base 14 with a translucent, clear plastic film 16. The latter is impressed on base 14 to make a visible mark. The impression can be cleared with a sharp pulse of air through tube 18, which separates film 16 and base 14. The erasure can be done when card 10 is inserted into a credit system terminal in making a purchase or an inquiry as to the balance. Magnetic field 20 is provided on card 10 for machine readable identification of the card holder. This identification can also be provided by punches, notches or raised letters or code.

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