Tag: optomechanical encoder

1990 — Aero Trackball

The Aero Trackball device was introduced to the market by Taiwanese company ICA Technology in 1990. Marketing materials mention the trackball’s “advanced optomechanical technologies”, “dynamic resolution from 100 to 1000 dpi, typically set to 200 dpi” (that is, apparently, a software resolution scaling), and an “improved electronic clock” being the eye-catching part of this retrofuturistic cursor controller[1]Aero trackball reaches your…

1996 — Kensington Expert Mouse Trackball 5.0

In 1996, Kensington released its fifth Expert Mouse Trackball. The trackball has undergone a significant redesign. While previous models were fairly classic two-button devices, the Expert Mouse Trackball 5.0 is equipped with a larger diameter ball and four large buttons arranged symmetrically around the ball, similar to flower petals. A similar model was released for the Macintosh, which was predictably…

1991 — MicroSpeed PC-TRACK trackball

MicroSpeed’s PC-TRACK trackball, released in 1991, has a significantly better ergonomic design than the company’s previous model, the FastTRAP trackball. This trackball has a symmetrical design, suitable for both right- and left-handers. The trackball is big. MicroSpeed chose a 2.25-inch ball for this device because their research showed a significant increase in cursor positioning accuracy with a larger ball. Studies…

1986 — Honeywell microLYNX trackball

The microLYNX trackball (or “µLYNX” if Greek characters are allowed), was manufactured in California by Honeywell, a subsidiary of Disc Instruments. Having appeared in 1986 or a year earlier (some of the advertising materials are dated 1985), the trackball proved to be a long-liver and subsequently withstood many incarnations as the model “LX200”, which differed in connection interfaces, electronics and…

1997 – ITAC Systems evolution MOUSE-TRAK trackball

The evolution MOUSE-TRAK trackball was manufactured by ITAC Systems, a Texas-based company specializing primarily in high-quality, ergonomic trackballs for professional use. The company positioned itself as a pioneer in the production of trackballs for Unix systems and X terminals since the MOUSE-TRAK model release in the late eighties. Introduced to solve the problem of the repetitive strain injury (RSI) syndrome…

1993 — Evergreen Diamond XL trackball

The Diamond XL trackball was produced by the Evergreen Systems International company in California, founded in 1980 and specialized in high-quality trackballs for industrial and military applications. Diamond trackballs have been positioned as a mouse replacement in computer systems where fast and precise pointing is required (CAD/CAM, graphics, workstations, kiosks, etc.) and in industrial and military systems where a mouse…