• Source: Mouse Systems

Mouse Systems Corporation (MSC), formerly Rodent Associates, was founded in 1982 by Steve Kirsch. The company was responsible for bringing the mouse to the IBM PC for the first time.




History


Mouse Systems' optical mouse, wired to a Sun workstation and an Atari 400 running Missile Command, attracted many observers at the October, 1982 Mini/Micro '82 conference in Anaheim, California, attended by over 10000 people—and won a "best new product" award.
In 1984, MSC acquired rights to Mouse Draw from Microtex Industries, written by Doug Wolfgram. Mouse Systems wanted the software re-developed to look more like Apple's MacPaint so Wolfgram brought in co-developer John Bridges and together they re-wrote the program in C with an updated user interface and called it PCPaint. Millions of copies were shipped, primarily bundled with all their mice until 1987.
KYE Systems, producer of the Genius brand of mice, acquired Mouse Systems in 1990.




Technical details



Like all early optical mice, their debut product relied on a special metallic and reflective mousepad printed with a square grid of grey and blue tracking lines: as the device moved over the pad, light emitted by an LED was reflected by the pad onto an array of sensors whose output was processed by an on-board controller, which in turn supplied the host computer with machine-readable tracking data via an RS-232 serial port. When connected to a regular RS-232 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 workstations used MSC optical mice exclusively. The mouse was connected via a dedicated connector with power, obviating the need for a separate power supply for the mouse. Initial models came with large mousepads with well-spaced lines, while later models were smaller and used a much tighter grid.




See also


Mouse Systems ProAgio
Optical mouse




References






Further reading


Paul, Matthias R. (2002-04-06). "Re: [fd-dev] ANNOUNCE: CuteMouse 2.0 alpha 1". freedos-dev. Archived from the original on 2020-02-07. Retrieved 2020-02-07. […] The original Mouse Systems Bus Mouse is a normal serial 8250 compatible mouse using the normal Mouse Systems serial protocol, however the base address of this 8250 type chip is not one of the usual COM port addresses 3F8h, 2F8h, 3E8h, or 2E8h, but either 238h or 338h. Besides others these addresses are also supported as alternative addresses for serial ports on the German c't UniRAM add-on ISA card. […] Bus mice from other vendors use completely different interfaces, partially residing at the same I/O addresses […]




External links



"Milestones". KYE Systems. Archived from the original on 2006-05-16. Retrieved 2006-05-16. 1990 Acquired Mouse Systems Corp. (MSC)

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