Interactive multi-user laser disc system

Details Interactive multi-user laser disc system Interactive multi-user laser disc system

1984-11-20

1987-02-17

Richardson, Robert L.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 35, 369 34, 369 36, 360 98, G11B 700

Patent

active

046445153

ABSTRACT:
An interactive plural head laser disc system is characterized by pairs of head arrays installed on both sides of one or more laser discs. The heads may be accessed by either multiple or single users to independently and simultaneously access a single disc or plurality of discs. Each head array includes a plurality of read heads formed on a substrate to be in registry with the tracks of data on the discs to enable the reading of all tracks simultaneously and independently.

REFERENCES:
patent: 3930145 (1975-12-01), Fort et al.
patent: 4019205 (1977-04-01), Salmond et al.
IVIS brochure, Digital Equipment Corporation, Optical Disk File Memory for Computer Use, Yoshito Tsunoda.
Lasers Enhance Mass Storage, by Bergheim and McGeever, 6/25/84, InfoWorld.
Interactive Video Disc Learning Systems, 11/83 High Technology.
Optical Document File System, Panasonic Industrial Company, Optical Disks Foreseen, News in Perspective Datamation, 6/1/84.

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