The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 25, 1982

Filed:

Oct. 01, 1979
Applicant:
Inventors:

Tamotsu Nakazawa, Yokohama, JP;

Kenzo Ina, Yokohama, JP;

Takashi Minagawa, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364900 ;
Abstract

A data retrieval system with a keyboard for entering data retrieval conditions. The system includes a first memory for storing subject data to be searched, a second memory for storing data required for searching the subject data, a comparator unit capable of determining whether or not the selected data is greater than, less than or equal to a preset data, and third memory for storing retrieval conditions. The contents of the first, second and third memories is placed into the comparator unit in synchronism with each other.


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