Browse Prior Art Database

Credit Card Reader with Data Clocking Emitter

IP.com Disclosure Number: IPCOM000088133D
Original Publication Date: 1977-Apr-01
Included in the Prior Art Database: 2005-Mar-04
Document File: 2 page(s) / 38K

Publishing Venue

IBM

Related People

Johnson, HW: AUTHOR [+2]

Abstract

A magnetic credit-card reading and encoding apparatus includes an encoder emitter which is driven at a speed proportional to the velocity of the credit card for clocking data and timing signals to a write transducer.

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Credit Card Reader with Data Clocking Emitter

A magnetic credit-card reading and encoding apparatus includes an encoder emitter which is driven at a speed proportional to the velocity of the credit card for clocking data and timing signals to a write transducer.

Photooptical encoding disk, or emitter, 1 provides clocking signals to the encoder circuitry (not shown) proportional to the angular velocity of roller 2, which is mounted to emitter shaft 3. Roller 2 is driven through idler roll 4, which is driven by either drive capstan 5, or by the credit card as it is driven by drive capstan 5 along transport path 6. The card is driven through transport path 6 by drive capstan rollers 5, 9, 10 and cooperating idler rolls 4, 11, 12, respectively, and drive capstan 18.

Idler rolls 4, 11, 12 are mounted to pivoted arms 13, 14, 15, respectively, in upper bed 7, and spring loaded into engagement with the drive rollers (or the card) by springs (not shown). Upper bed 7 is pivotally mounted to lower bed 8 at 16, and latched into place by latch 17.

Referring to sectional view AA, read/write transducer 19 is mounted over drive capstan 18 by spring load arm 19 onto lower bed 8 so as to engage the magnetic stripe on the top of the credit card as it is driven through transport path
6.

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