Information retrieval system

Details Information retrieval system Information retrieval system

1984-07-23

1986-10-07

Trafton, David L.

Registers

Systems controlled by data bearing records

235436, 235477, 353 26A, G06F 1520

Patent

active

046161260

ABSTRACT:
An information retrieval system for retrieving desired information from information recorded in a record medium is disclosed. The information on the record medium is classified into at least two groups and a first mark is added to the lower class information and a second mark is added to the higher class information. The marks are detected by mark detection means and the feed of the record medium is controlled in accordance with the output of the mark detection means. When there is an error in the retrieval or in the input, the error is detected and the feed of the record medium is stopped.

REFERENCES:
patent: 3999846 (1976-12-01), Sone et al.
patent: 4139898 (1979-02-01), Tanaka
patent: 4453823 (1984-06-01), Sugita et al.
patent: 4514641 (1985-04-01), Tanaka et al.

Affiliated with

Also associated with

Rating

Information retrieval system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Information retrieval system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Information retrieval system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-644328