Browse Prior Art Database

Magnetic Slot Reader

IP.com Disclosure Number: IPCOM000087622D
Original Publication Date: 1977-Feb-01
Included in the Prior Art Database: 2005-Mar-03
Document File: 2 page(s) / 32K

Publishing Venue

IBM

Related People

Frost, WT: AUTHOR

Abstract

This is a slot reader having a moveable slot base for varying the head scan path along a recorded track on a magnetic encoded data card.

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Magnetic Slot Reader

This is a slot reader having a moveable slot base for varying the head scan path along a recorded track on a magnetic encoded data card.

Magnetic stripe medium 1 comprises a card or tag having a magnetic stripe 2 along one edge. A magnetoresistive (MR) head 3 is fixed in the slot wall 4 so as to effectively scan magnetic stripe 2 as card 1 is manually pushed through slot 5. So that magnetoresistive head 3 does not always scan the same line in stripe 2, moveable slot base 6 is spring-loaded by spring 7 above fixed base 8 for engaging the bottom of magnetic stripe medium 1.

Thus, as the user manually drives the card or tag 1 through slot 5 with variable pressure against slot base 6, magnetic card 1 and, consequently, recorded track 2 weave to trace a random path past MR head 3 to reduce wear and resultant signal dropout.

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