Linear sensor arrays consist of a linear array of integrating photosensing pixels which measure incident light over a user-defined exposure time and generate a voltage or digital output which represents the light exposure at each pixel.
The arrays here from TAOS Inc. are available in a variety of lengths and pixel resolutions (DPI). The analog output can be directly interfaced to an ADC for digital processing or comparing for black/white thresholding. Applications include contact image sensing, OCR, edge detection, spectroscopy and object measurement in products such as copiers and document scanners.