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Path: utzoo!linus!philabs!cmcl2!seismo!brl-tgr!tgr!bang!crash!victoro@nosc.ARPA
From: victoro@nosc.ARPA
Newsgroups: net.micro
Subject: Re: Re: vending hardware needed
Message-ID: <9918@brl-tgr.ARPA>
Date: Fri, 12-Apr-85 04:06:43 EST
Article-I.D.: brl-tgr.9918
Posted: Fri Apr 12 04:06:43 1985
Date-Received: Mon, 15-Apr-85 03:33:33 EST
Sender: news@brl-tgr.ARPA
Lines: 5

Just an obvious thought on the Copicard micro charge....
The card has a record of a number of 'charges'....each use removes
a 'charge'.  You could set up a system to use one 'charge' per 15 min period.
(Although I'm sure no-one was not really thinking of removing a charge
every min....................................................................