Abstract: A hyperbaric chamber control system. The system includes a computer and a control valve in communication with the computer, wherein the control valve responds to instructions from the computer to control a supply of gas by producing a control signal, and wherein the control valve is configured to operate independently of the computer when a profile is transferred from the computer to the control valve.

Abstract: The disclosed apparatus is a stand alone integrated smart card circuit chip card vending machine. It accepts bills in $1, $5, $10, $20 and $50 denominations and/or credit cards and issues stored value smart cards for the value requested. It can also telephone a center to validate credit card transactions or send diagnostic and statistical reports. This invention has the capability to read and write to a card while it is in the dispenser stack, therefore the card has no value while in the dispenser and is not released until payment is received, that is, the cards are encoded in real time before they are issued.