Electronic Associates, Inc. (EAI) was founded in 1945 by Lloyd F. Christianson and Arthur L. Adamson and began manufacturing

analog computer An analog computer or analogue computer is a type of computer that uses the continuous variation aspect of physical phenomena such as electrical, mechanical, or hydraulic quantities (''analog signals'') to model the problem being solved. In c ...

s in 1952. Their systems were used by NASA to develop space probes and simulate physical systems. As digital technology matured, they began production of both hybrid digital/analog systems, such as the EAI680 with 156 amplifiers, diode function generators and servo-controlled potentiometers to control input parameters, and digital computers such as the EIA 640 Under the direction of

Robert E. Finnigan Robert Emmet Finnigan (May 27, 1927August 14, 2022) was an American pioneer in the development of gas chromatography–mass spectrometry equipment (GC/MS). Finnigan founded the Scientific Instruments Division of Electronic Associates, Electron ...

, the company developed the first quadrupole

gas chromatography–mass spectrometry Gas chromatography–mass spectrometry (GC-MS) is an analytical method that combines the features of gas-chromatography and mass spectrometry to identify different substances within a test sample. Applications of GC-MS include drug detection, ...

devices and sold over 500 devices between 1965 and 1966, which accounted for most of the firm's profit. Other notable employees include Hans Witsenhausen and board member

Everard Mott Williams Everard Mott Williams (February 2, 1915 – October 24, 1972), noted scientist and educator, was born in New Haven, Connecticut. He received a Ph.D. from Yale University in Electrical Engineering in 1939, served as the head of Carnegie Mellon Univ ...

References

* * Analog computers Defunct computer companies of the United States Manufacturing companies based in New Jersey Companies based in Monmouth County, New Jersey Long Branch, New Jersey Computer-related introductions in 1945 American companies established in 1945 Electronics companies established in 1945 1945 establishments in New Jersey {{compu-company-stub