Handheld Scanner
A small handheld scanning device used for digitizing images. While images from a handheld scanner are considered low quality, today’s technology enables full color 24 bit scanning. Depending on the scanner device type and manufacturer, handheld scanners can also define, translate, and hear printed text, and can also store and beam text to computers and other devices.
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- handle
)(1) In many applications, when you select a graphical object, an outline of the object appears with small boxes. Each box is a handle. By dragging the handles, you can change the shape and size of the object. (2) In programming, a handle is a token, typically a pointer, that enables the program to access […]
- handoff
(n.) The transfer of a cellular phone transmission from one radio frequency within a cell to another radio frequency in an adjacent cell. Handoffs occur when a cellular phone user passes out of the range that the cell can handle and into another cell��s range, and the signal is passed from one base station to […]
- hands-free kit
Also called a mobile phone car kit. A hands-free kit contain both a speaker and a microphone to allow cellphone users to use their cellphone while driving, without using their hands to operate the device. Some kits may also come with a cellphone holder or cradle, and power supply cables and connectors. Hands-free kit cane […]
- handshaking
The process by which two devices initiate communications. Handshaking begins when one device sends a message to another device indicating that it wants to establish a communications channel. The two devices then send several messages back and forth that enable them to agree on a communications protocol.
- handwriting recognition
(n.) The technique by which a computer system can recognize characters and other symbols written by hand in natural handwriting. The technology is used for identification and also on devices such as PDA and tablet PCs where a stylus is used to handwrite on a screen with a stylus, after which the computer turns the […]