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:
Jul. 15, 2025
Filed:
Nov. 24, 2022
Edwards Japan Limited, Yachiyo, JP;
Edwards Japan Limited, Yachiyo, JP;
Abstract
A vacuum pump that allows for the identification of the noise immunities or the like of a master circuit and one or more slave circuits for controlling an operation of at least one portion included in the vacuum pump, and a controller used for such a vacuum pump are proposed. The present disclosure includes a control meansconfigured to control an operation of at least one portion included in a vacuum pump. The control meansincludes a slave circuitconnected to the at least one portion to control the operation of the at least one portion and a master circuitconnected to the slave circuitto control the slave circuit. The master circuitis configured to perform periodical communications with the slave circuitand obtain a history of communication states in the communications.