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:
Oct. 20, 2026
Filed:
Oct. 28, 2022
Hitachi High-tech Corporation, Tokyo, JP;
HITACHI HIGH-TECH CORPORATION, Tokyo, JP;
Abstract
Provided are a conveying device and a conveying method capable of improving the position detection accuracy of the holder as compared with the related art. A conveying deviceincludes a coilincluding a coreand a winding, a drive unitthat supplies a current to the winding, a current detection unitthat detects the value of the current flowing through the winding, and a control unitthat calculates the position of a holder, in which the control unitcalculates the position of the holderbased on the current value detected by the current detection unitand the calibration curve obtained in advance, and changes the calibration curve used depending on how the drive voltage is applied by the drive unit
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile