Method for controlling access to recorded data

Details Method for controlling access to recorded data Method for controlling access to recorded data

1985-02-04

1987-06-30

Richardson, Robert L.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 47, 369 52, 360 721, 358342, 235462, 434315, G11B 700

Patent

active

046776044

ABSTRACT:
Access to a complete data base stored on optical disk media is limited to portions of the data base to which individual users are entitled by provision of an additional code on the optical disk, indicating the portions of the data base which the customers may access. The disk reader comprises an additional reader for reading the additional code and means for preventing access to other portions of the data base. The additional code may be conventional bar code.

REFERENCES:
patent: 4437127 (1984-03-01), Hirose
patent: 4481412 (1984-11-01), Fields
patent: 4506342 (1985-03-01), Yamamoto

Affiliated with

Also associated with

Rating

Method for controlling access to recorded data does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for controlling access to recorded data, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for controlling access to recorded data will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-451855