self-scanned image sensor [`self ¦skand `im·ij ´sen·sǝr] ELECTRONICS A solid-state device, still in the early stages of development, which converts an optical image into a television signal without the use of an electron beam; it consists of an array of photoconductor diodes, each located at the intersection of mutually perpendicular address strips respectively connected to horizontal and vertical scan generators and video coupling circuits. |