Robert Rothstein: Standard hardware-software interface for connecting any instrument which provides a digital output stream with any digital host computer. Analis, Howard L Rose, November 27, 1984: US04485439 (138 worldwide citation)

A microprocessor-controlled interface for permitting any digital host computer to receive serial digital data from any instrument wherein (a) the time at which digital data from the instrument is to enter the host computer and (b) the logical structure of the digital data entering the host computer ...