GTCO
From Wikipedia, the free encyclopedia
GTCO Corporation is a corporation producing interface devices including digitizers, graphics tablets and audience response systems.
GTCO was established in 1975 in Rockville, Maryland by two graduates of the Stevens Institute of Technology in Hoboken New Jersey[citation needed]. In 1985, GTCO moved to its current location in Columbia, Maryland. GTCO Corporation patented the first electromagnetic digitizer. In 1995 GTCO acquired the assets of Science Accessories Corporation. In 1998, GTCO acquired the assets of Kontron Gmbh. In 1999, GTCO acquired the assets of CalComp Input Technologies, which itself had previously acquired Talos and Summagraphics Coporation, which had acquired Houston Instruments. With the acquisition of CalComp Input Technologies, GTCO began doing business as GTCO CalComp Inc.
Today, in addition to digitizers and graphics tablets, GTCO produces interactive whiteboards, pads and audience response systems under the InterWrite brand name. In 2004, GTCO acquired Educue, LLC and began offering the PRS (Personal Response System), used for education and training throughout the world.
