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:
Jun. 13, 2017

Filed:

Aug. 30, 2016
Applicant:

Yokogawa Electric Corporation, Tokyo, JP;

Inventor:

Junichi Iwashita, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/12 (2006.01); G06F 13/42 (2006.01);
U.S. Cl.
CPC ...
H03M 1/12 (2013.01); G06F 13/4247 (2013.01);
Abstract

A signal processing circuit includes: a plurality of daisy chain-connected AD converters each including a data ready output terminal, a synchronizing signal input terminal, and a serial clock input terminal; a calculator connected to the data ready output terminal of any of the AD converters and for outputting a serial clock to the serial clock input terminal of each of the AD converters when a data ready signal is input; and a reset processor included in the calculator and for outputting a synchronizing signal to the synchronizing signal input terminal of each of the AD converters when an output time lag among data ready signals from each of the AD converters is detected for a predetermined number of times.


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