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:
Nov. 12, 1991

Filed:

Mar. 13, 1989
Applicant:
Inventor:

Steven L Whitsitt, Waukesha, WI (US);

Assignee:

Square D Company, Palatine, IL (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
340635 ; 340636 ; 361415 ; 361393 ; 307150 ;
Abstract

An expanded register rack assembly is for a processor based device. The expanded register rack assembly has a first board register rack assembly having multiple slots for receiving multiple electronic modules including a programmable controller module. The expanded register rack also has a second register rack having multiple slots for receiving multiple electronic modules. The expanded register rack assembly further has a communicative coupling between the first and second board racks, the communicative coupling permitting the programmable controller module to selectively access any of the other electronic modules received in the first and second multiple slots without the need for communication hardware mounted in any of the slots.


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