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:
Apr. 01, 2014
Filed:
Feb. 17, 2012
Applicants:
Kouki Sasaki, Tokyo, JP;
Hiroyuki Tsugane, Tokyo, JP;
Inventors:
Kouki Sasaki, Tokyo, JP;
Hiroyuki Tsugane, Tokyo, JP;
Assignee:
Azbil Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device monitoring unit obtains, through respective digital communication routes, a combination of a digital setting value for an analog output value to an analog communication route in a field device, a digital value of an AD converting device in an input/output unit, and one of the digital setting values stored in a memory of the input/output unit, to check the status of the communication through the analog communication route based on the values obtained.