Special Purpose Applications of The Optical Videodisc System

The entertainment function of the Philips and MCA Optical Videodisc System (Fig. 1 has been established by numerous public demonstrations, r2y3l4t and various authors, 6' 7' 8. The freeze frame and random access capabilities of this optical system enables extremely effective storage of special purpose information. Examples of such special purpose applications employing the Philips consumer player include digital Read-Only-Memories, X-Ray and document storage, and a talking encyclopedia.