This annual directory includes names, addresses, and telephone numbers of major firms involved in the optical information field. Four major product groupings are represented: (1) interactive video; (2) WORM and erasable optical disks; (3) CD-ROM technologies; and (4) optical memory cards. An overview of the past year's developments in this field…

Presents a selective survey of micro-based genlocking systems currently on the market including those systems with open and closed architecture; examines the number and diversity of uses for this hybrid medium, which synchronizes video signals with computer-generated text and graphics; and discusses the role of cause and effect in innovation.