METHOD AND APPARATUS FOR PROVIDING A DIGITAL OUTPUT IN RESPONSE TO AN ANALOG INPUT AND FOR PROVIDING AND ANALOG OUTPUT IN RESPONSE TO A DIGITAL OUTPUT

摘要

Abstract of the DisclosureThe accuracy of the conversion of an analog signal to digital form isimproved by amplifying the input signal by different factors and automaticallyutilizing the highest amplified input signal which has a voltage level withinoperational limitations in the analog to digital conversion process. Outputdata from a digital computer, based on the input data, is converted fromdigital form to analog form and is routed to a required location by the use ofcontrol logic and optically isolated digital signal used to address othercomputers.