A purely graphical input device (i.e., a CAD/CAM CAE system digitizer for convening locations into storable electronic impulses) with a surface on which a location or a point is selected and then automatically converted into a digital x y coordinate suitable for transmission to a computer. A device for converting a signal of any type into a digital representation for storage in a computer or other related component or system.
A tablet or board-like device for converting analog electric signals of an absolute or relative position on the tablet surface to digital x,y coordinates. This process yields vector data consisting of points, lines, and polygons that will need to be edited. By positioning a pointing device containing a magnetic coil (cursor or pen stylus) on the tablet surface which is embedded with a grid of wires, a signal is generated. The resolution, or density of wires in the grid, vary from 1,000 to 10,000 lines per inch. Active surface sizes vary from 12 x 12 (A size) to 48 x 72 inches (E size), with prices ranging from $350 to $5,000. Related terms: digitizing mode, digital scanner, digitizer (video).
An optical device that translates electronic analog representations of images into an array of digital values called pixels. The value of a single pixel defines the level or shade of gray "captured" from a single point on a black & white image, or unique color if using color images. The resolution of a video digitizer is determined by the number of pixels (picture elements) that can be digitized by a system: commonly based on the powers of 2, with resolution ranging from 256 x 256 to 1024 by 1024 pixels. The word-size of an array, or number of bits used to represent each pixel, determines the number of unique gray values or colors that can be analyzed by a system, e.g. 8-bit words permit up to 256 shades of gray or colors, and 24-bit words up to 16.7 million shades or colors. A video digitizer may be used in place of a manual digitizer but, since it produces a raster-based image, software must be provided to convert the data into vector mode for plotters and monitors. Related terms: scanner, pixels, raster, image analysis.
device that converts drawings, photos, etc. to digital signals
Device that captures and imports video scenes into a computer by converting it into digital information for capturing moving video.
A peripheral device that takes a photo and converts the image into a form that the computer can process, save on a disk, display on the screen, or print.
A device which converts analog video or sound signals into pixels that a computer can display and modify
A device consisting of a table and a cursor (often with crosshairs and keys) that is used for capturing and recording the locations of map features as x,y Cartesian coordinates.
Physical device providing the interface between the pen and the tablet. It is the high-resolution hardware that recognizes motions made with the pen and passes them to the tablet.
Device used to convert an image to a series of dots that can be read, stored and manipulated by the computer. [A digitizer often scans video input, while a scanner usually scans hard copy input.
device for converting analogue signals into digital signals
a computer based system including a table and cursor used to record the coordinates of map features
a device that attaches to your computer and accepts input from a pen-like device
a device that converts analog film into digital bits of information
a device that converts finished film/screen processed radiographs into digital images
a device that measures the positions of points in three-dimensional space
a machine that converts analog data into digital data on a computer (such as a scanner digitizing pictures or text)
an input device that provides absolute horizontal and vertical coordinates from a physical surface
A device used to capture planar coordinate data, usually as x and y coordinates, from existing analog maps for digital use within a computerized program such as a GIS. Also called a digitizing table.
Table or tablet that has the capability of digitally recording relative position of a cursor which is moved over an area or line.
On Palm OS® devices, the digitizer calibrates the display's sensitivity to the tip of the stylus for accurate pointing and writing.
Device used to scan a video input and convert it into a bitmap that can be stored and manipulated in a computer.
Calibrates the screen so that the handheld understands how to interperet taps.
A hardware device capable of sensing the digital pen tip position. The digital pen can be a passive stylus containing no electronic components, or an active stylus containing electronic components (a.k.a. tablet).
an input device for converting analog to digital data using a pointing device called a puck or mouse.
Computer peripheral device that converts an analog signal (images or sound) into a digital sound.
A device for scanning an image and converting it into numerical picture elements.
A computer peripheral device that converts an analogue electrical signal in the form of images or sound into a digital signal for use by a computer.
An input device consisting of a pen and tablet that detects the position of the pointing device on the tablet surface and converts it into x,y coordinates within a fixed space.
Screen layer that is sensitive to touch or the proximity of an electromagnetic pen. The additional touch or digitizer layers make the display dimmer and harder to read, thus requiring a stronger backlight that, in turn, consumes more battery power.
a device that converts the position of a point on a surface into digital coordinate data
Device that imports and converts analog video images into digital information for hard drive-based editing.
The capture card or device that converts an analog signal into a digital signal. A video digitizer will convert an analog video signal into a digital stream or file.
a device for entering data into a computer. A digitizer is similar to a mouse in the sense that the screen cursor is positioned by the user and a physical device attached to the computer, but the user employs a pen or other moveable tracking device on an electronic tablet to move the cursor. Since the tablet presents a defined surface (unlike the unbounded and undefined surface on which a mouse can move), it is possible to relate position on the tablet to position in a coordinate system and even to scale the tablet surface for tracing drawings.
1. A device that consists of a table and a cursor with crosshairs and keys used to digitize geographic features. 2. Title of the person who uses a digitizing device.
see Graphics tablet