COMPUTER POINTING DEVICE

Brand	Owner (click to sort)	Address	Description
FIELD MOUSE	GATEWAY 2000, INC.	610 Gateway Drive North Sioux City SD 57049	computer pointing device;
MACALLY IBALL	MACE GROUP, INC.	15861 Tapia St. Irwindale CA 91706	computer pointing device, namely, trackball, to be used externally by connecting to a desktop computer;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

A pointing device is disclosed which does not require a tablet, such as a digitizer, and is mechanically simplified, and a scanner, a robot, a mobile communication device and an electronic dictionary using the pointing device. The pointing device includes a light source, a ball and an optical image sensor. The light source irradiates light. The ball rotates by the movement of the entire pointing device. The optical image sensor detects the movement of the pointing device using an image. The pointing device irradiate light onto the ball through the light source, acquires an image on a surface of the ball through the optical image sensor, and outputs data on movement direction and distance by comparing and analyzing previous and current images.