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:
Sep. 01, 1998
Filed:
Mar. 01, 1996
Yuichi Okazaki, Tsuchiura, JP;
Abstract
A precision positioning control apparatus includes a coarse positioner, a fine positioner, a displacement totalizer for totaling the displacements of the two positioners, a total displacement detector for producing a total displacement signal, a comparator for producing an error signal, a coarse positioner adjuster for adjusting the error signal and inputting the adjusted signal to the coarse positioner, and fine positioner adjuster for adjusting the error signal and inputting the adjusted signal to the fine positioner. The coarse position adjuster includes a gain element, a transfer element, a limitter, an integrator, a gain adjuster and an adder.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile