When was the first trackball invented?

Pro Fit™ Ergo TB550 Trackball · Features · Product Specifications · Manuals & Support · Explore · Support & Software · Kensington · ACCO Brands · Join Our Tech ... RELIVE ARCADE CLASSICS WITH BUILT IN TRACKBALL! Your Tankstick™ is an indestructible beast which lets you relive thousands of classic arcade games like Galaga™, ... Sep 19, 2023 ... The Kensington Pro Ergo TB550 trackball is an ergonomic trackball mouse that can be used wired or wirelessly. Oct 8, 2023 ... A trackball reduces strain of repetitive tasks, but a mouse is more accurate and natural feeling in music production software. Jan 17, 2007 ... In trackball view, well, you can see how difficult it is to maintain an exact line when spinning the object, the grid falls all over the place. Not just for gaming. Whether you are using Excel, editing videos, working in CAD, mixing music, gaming or just surfing the web, our trackballs do it all. In ... Feb 28, 2010 ... 5 Answers 5 ... I've used the top trackball for years with no problem. I had tendon problems using mice, and this trackball fixed it. I think a ... Mar 2, 2011 ... I suppose to best "answer" your question, the trackball is there to assist when the touch screen isn't accurate enough. It also exists to give ... May 25, 2020 ... 5 screw holes and the hole for the sensor itself to see the trackball. The lens for the sensor additional contains a small ridge that catches on ... Jul 11, 2024 ... I have been using trackballs for over 3 months now and here's a quick guide for those that also want to join in this hobby since it can be a ...