VIDEO DISPLAY SYSTEM

摘要

Teletype information signals from two different stock exchanges are stored in respective recirculating registers. Under the control of timing signals, the contents of the two registers are periodically advanced and alternately supplied to a character generator which converts the coded teletype information into an electronic array of corresponding letters or figures. Each array is sequentially scanned by a controlled electrical commutator and the scanned signals are supplied to a cathode ray tube for reproduction. The horizontal and vertical scanning coils for the tube are rotated 90 DEG from their usual positions such that information signals are displayed as advancing transversely across the face of the device.