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:
Apr. 04, 2006

Filed:

Oct. 13, 2000
Applicants:

Shigeru Hitomi, Kyoto, JP;

Jintaro Deki, Kyoto, JP;

Toshiaki Sasamori, Kyoto, JP;

Inventors:

Shigeru Hitomi, Kyoto, JP;

Jintaro Deki, Kyoto, JP;

Toshiaki Sasamori, Kyoto, JP;

Assignee:

Omron Corporation, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01); G06F 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A logical name of shared data is defined. A network system comprises a communication portion for exchanges of data with other control apparatuses; a link memory () for storing data shared through the network; an indirect reference table () for storing logical names and the pointers used to access data stored in the link memory; and a database () of variables in which logical names are associated with memory addresses in the indirect reference table storing the pointers of the logical names. A control execution portion () accesses the link memory through the indirect reference table based on a logical name so that there is no need to know the specific memory location. Specifically, the user program contains logical names and no addresses (pointers) storing data.


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