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| defunct computer companies of the united states | |
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Like all early optical mice, their debut product relied on a special metallic and reflective feedback was processed by an on-board Microchip , which in turn supplied the PC with machine-readable tracking data via an RS-232 Serial port. An external Power Supply was required. Some mice would derive their power supply from the keyboard connector on the motherboard and came with a pass-through connector to be inserted before the keyboard cable. Early Sun Workstation s used MSC optical mice exclusively. Initial models came with large mousepads with well-spaced lines, while later models were smaller and used a much tighter grid. Although optical mice did not need cleaning, paradoxically they would start behaving erratically after a few years of use, without apparent remedy. In 1984 MSC released PC Paint , the first mouse-driven image manipulation program for the IBM PC. PC Paint was developed for the company by John Bridges . Millions of copies were shipped, primarily bundled with all their mice until the early 1990s. PC Paint saw limited commercial success as a standalone product. KYE Systems , producer of the Genius brand of mice, acquired Mouse Systems in 1990 . EXTERNAL LINK |
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