Multiplexed Fiber-Optic Data Link for Digital Color
Original Publication Date: 1988-Dec-01
Included in the Prior Art Database: 2005-Feb-15
This article describes a CRT video color multiplexer that efficiently formats data, thereby reducing cable complexity improving electromagnetic compatability (EMC) and providing I/O short protection. (Image Omitted) Conventional connections between a controller or personal computer (PC) system unit and its CRT display are made with parallel shielded wires or coaxial cables, as illustrated in Fig. 1. The typical interface for color includes video (red, green, blue and intensity for 16 colors), horizontal sync, vertical sync and, in some cases, a serial data channel to transmit keyboard signals or commands to interrogate panel switch positions. The conventional approach when using fiber optics is also a parallel interface.