Payment card with display
First Claim
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1. A payment card for enabling the operation of vending machines by a user, comprising:
- a substantially rectangular flat card including first magnetic data storage means for storing information including value data including a first value, and means for displaying said first value;
said first value representing an operating limit for said vending machines, said means for displaying said first value including a magnetically controllable non-volatile display storage means having a transparent front window and an opaque background, said display storage means being controllable by externally applied magnetic fields for replacing said first value with a second value.
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Abstract
A new type of payment card includes a magnetically controlled display for visually reading magnetically recorded information such as current balance or available service value of the payment card. The required electronic and mechanical interface can be added to existing payment card handling equipment.
292 Citations
11 Claims
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1. A payment card for enabling the operation of vending machines by a user, comprising:
a substantially rectangular flat card including first magnetic data storage means for storing information including value data including a first value, and means for displaying said first value;
said first value representing an operating limit for said vending machines, said means for displaying said first value including a magnetically controllable non-volatile display storage means having a transparent front window and an opaque background, said display storage means being controllable by externally applied magnetic fields for replacing said first value with a second value.- View Dependent Claims (2, 3, 4, 5, 6)
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7. An apparatus for handling flat payment cards with visual value display means, said flat payment cards having first and second extensions and including first storage means for storing information, said apparatus comprising payment card handling means magnetic read/write means for reading information from said storage means and recording information in said storage means;
- magnetic erase/write means for erasing value data stored and displayed in said display means and recording value data in said display means.
- View Dependent Claims (8, 9, 10)
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11. An apparatus for handling flat payment cards with visual value display means, said flat payment cards having first and second extensions and including storage means for storing information, said apparatus comprising payment card handling means magnetic read/write means for reading information from said storage means and recording information in said storage means;
- magnetic erase/write means for successively erasing value data stored and displayed in said display means, and recording value data in said display means;
wherein said erase/write means include a plurality of first magnetic means arranged in a predetermined arrangement;
said apparatus further including control means for advancing said payment card in a direction of said first or second extension for successively writing adjacent pattern segments to said display means;
the combination of said pattern segments constituting a display pattern representing said data value.
- magnetic erase/write means for successively erasing value data stored and displayed in said display means, and recording value data in said display means;
Specification