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. 18, 2023
Filed:
Jan. 16, 2023
National University of Defense Technology, Changsha, CN;
Kun Lu, Changsha, CN;
Dingbang Xiao, Changsha, CN;
Yan Shi, Changsha, CN;
Xuezhong Wu, Changsha, CN;
Xiang Xi, Changsha, CN;
Yongmeng Zhang, Changsha, CN;
NATIONAL UNIVERSITY OF DEFENSE TECHNOLOGY, Changsha, CN;
Abstract
An online trimming device and method for a micro-shell resonator gyroscope is provided. A micro-shell resonator gyroscope fixing fixture and a mode test circuit in the device are placed in a vacuum test cavity provided with a circuit interface. The mode test circuit and a host computer are connected through a circuit interface on the vacuum test cavity. The gyroscope fixing fixture is provided with a signal interface, and the electrodes on the gyroscope substrate are connected to the signal interface. The signal interface on the fixture is connected to the mode test circuit. The laser etching module is located at the top of the device. An opening is formed in the gyroscope fixing fixture. The vacuum test cavity is provided with a transparent trimming window. The laser acts on the edge of the resonant structure of the gyroscope through the trimming window and the through hole of the fixture.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile