Zytronic plc is a developer and manufacturer of a range of touch sensor products. These products employ an embedded sensing element and are based on projected capacitative technology (PCT). It is also engaged in development and manufacture of customized optical filters to enhance electronic display performance, and production of specialized and transparent laminates for niche markets. The range of applications for its touch sensors includes use in automated teller machines, petrol pumps, ticketing machines, information displays, gaming machines, food retailing, jukeboxes, medical equipment, keypads, diagnostic engineering equipment and helicopter simulation machines. It has four product groups: ZYTOUCH touch sensors and keypads; ZYPOS, and its derivative ZYBRID, touch sensors; ZYSWITCH touch-switch sensors, and ZYFILM and ZYPROFILM plastic-based touch sensors. ZYTOUCH, ZYPOS and ZYBRID touch sensors are designed to work in front of liquid crystal display or other electronic devices.