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:
Dec. 28, 2021
Filed:
Nov. 26, 2019
Applicant:
Yokogawa Electric Corporation, Musashino, JP;
Inventor:
Yasumi Koike, Musashino, JP;
Assignee:
YOKOGAWA ELECTRIC CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/02 (2006.01); H05K 7/20 (2006.01); H05K 5/06 (2006.01); H05K 1/18 (2006.01); H05B 1/02 (2006.01);
U.S. Cl.
CPC ...
H05K 1/0201 (2013.01); H05B 1/0213 (2013.01); H05K 1/181 (2013.01); H05K 5/064 (2013.01); H05K 7/20 (2013.01); H05K 2201/10053 (2013.01);
Abstract
A field device () includes an electronic circuit () connected to at least one of a sensor () and an actuator, a bimetal temperature switch () connected to a power source () in series with the electronic circuit () and configured to turn on when rising to a first temperature, a heating element () connectable to the power source () in parallel with the electronic circuit () and the temperature switch (), and a housing () configured to house the electronic circuit (), the temperature switch (), and the heating element ().