card reader


card reader

Postby zimal2 » Sun Aug 16, 2009 1:19 am

I apologize for my naive question. I have an HP-41cv and some card reader (magnetic?) strips someone sent me a long time ago with a program on them. But I never installed the program, and am unsure if the card reader is located in the HP-41cv itself or is an external device which I don't have. Thanx
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Re: card reader

Postby jotne » Sun Aug 16, 2009 5:12 am

It's an external device.
They are often on sale on eBay
HP41CX with CCD module . HP41CV . HP42S + many other HP calculators
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Re: card reader

Postby Garth » Wed Mar 02, 2016 9:07 am

Jotne, your picture link appears to be dead now, so here's another picture of the HP-41's HP82104A card reader:


It plugs into the top end of the calculator. The cards are approximately .45" wide, or around 11.5mm wide, ie, less than half inch wide.

(I'm saying this partly in hopes I don't have to throw out and ban another spammer who comes trying to sell their totally unrelated and irrelevant USB point-of-sale credit-card readers. Spammers, note! I've deleted and banned quite a few already.)
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