A light-sensitive input device shaped like a pen, used to draw on the computer screen or to make menu selections As the tip of the light pen makes contact with the screen, it sends a signal back to the computer containing the x-y coordinates of the pixels at that point
A computer input device that acts somewhat like a mouse A user points a wand or pen at the monitor and the computer responds to commands sensed from the emission of light from the device Light pens are rare in modern computing due to the popularity of the mouse Light pens are sometimes used in casinos to mark numbers in computerised Keno games
A small, photosensitive device connected to a computer and moved by hand over an output display in order to manipulate information in the computer. a piece of equipment like a pen, used to draw or write on a computer screen
(n ) A light detection device used for graphical input You point the light pen at a location on the graphics display When the electron gun illuminates the phosphor, the light pen detects the light and sends a signal to the workstation, which records the pixel event at that moment
A stylus, usually hand-held, that contains a photodetector or light source, and that allows interaction with a computer through a specially designed monitor screen
A light-sensitive pen held in the hand and used to input information to a computer Often used with painting or graphic design software It can also refer to pens used for scanning bar code information