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. 28, 2020
Filed:
Dec. 27, 2017
Yokogawa Electric Corporation, Tokyo, JP;
Hitoshi Saito, Tokyo, JP;
Yasuhiro Tanaka, Tokyo, JP;
YOKOGAWA ELECTRIC CORPORATION, Tokyo, JP;
Abstract
To wirelessly transmit, from intrinsically-safe type equipment placed in a hazardous area, a loop electrical signal measurement value obtained from flameproof type equipment. A flameproof input intrinsically-safe output transmitter covered with a flameproof enclosure includes an intrinsically-safe-side terminal connected to an intrinsically-safe built-in battery type wireless device, a flameproof-side electrical signal terminal configured to input a loop electrical signal, and an electrical input signal transmitter circuit configured to measure the loop electrical signal and transmit a signal in accordance with a measurement result to the intrinsically-safe-side terminal.