Trackball

Known as: Roller ball (pointing device), Ball tracker (pointing device), Trak-ball

A trackball is a pointing device consisting of a ball held by a socket containing sensors to detect a rotation of the ball about two axes—like an…

Papers overview

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2019

. Nowadays, in many industries, humans share the working areas with intelligent robots within the manufacturing bays to ensure a…

2015

Objectives: To detect the outcome and changes in uterine arteries blood flow after hysteroscopic roller-ball endometrial ablation…

2012

The Electronic Visualization Laboratory at the University of Illinois at Chicago has developed a new virtual reality interface…

2011

本发明公开了一种中性笔用蓝色墨水，由如下重量百分比的原料组成：蓝色颜料色浆15％～30％，有机硅改性丙烯酸树脂乳液5％～30％，溶剂10％～30％，增稠剂0.3％～0.8％，pH调节剂1％～3％，润滑剂0.2％～2.0％，防锈剂0.3％～2.0％，防腐剂0…

2006

This paper describes and evaluates a novel set of approaches to handle situations where multiple distinct and visually differing…

2004

The present invention, more particularly, to an ultrasonic diagnosis device of the host computer (Host System) character…

2003

The coordinate system for meshing theory analyzing of roller (ball) conjugated worm drive has been set up and based on this…

2002

1999

1991

PURPOSE: To improve feedback functionality so that a force generated in a machine can bring further satisfactory feel to a data…