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.
Patent No.:
Date of Patent:
Oct. 29, 1991
Filed:
Jun. 01, 1990
Applicant:
Inventors:
Pierre Gohl, La Colle Sur Loup, FR;
Jean-Louis Lachenal, Valbonne, FR;
Jacky Pergent, Carros Le Neuf, FR;
Assignee:
La Telemecanique Electrique, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364900 ; 3649269 ; 36493544 ; 364949 ;
Abstract
An input or input-output management circuit for a process control system such as a programmable automation is provided, including a serializing means with parallel inputs connected to input channels by filtering and threshold means, a series output of the serializing means being connected via a series connection equipped with an optocoupler and a filter to an input or input-output management unit.