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:
Aug. 26, 2014
Filed:
Jan. 18, 2010
Jiubin Tan, Harbin, CN;
Junning Cui, Harbin, CN;
Jiwen Cui, Harbin, CN;
Harbin Institute of Technology, Harbin, CN;
Abstract
A non-contact three-dimensional probing system based on a spherical capacitive plate has a probe including a spherical probing head (), a stylus pipe (), an active shielding pipe (), a signal conducting rod (), an insulating element (), a stylus holder () and a probe body (). The spherical probing head () is mounted at one end of the insulating element (), and it has a spherical capacitive plate over its surface. The capacitive signal coming from the spherical capacitive plate is outputted through the signal conducting rod (). The active shielding pipe () is driven by the signal converting and processing circuit () of the probing system to maintain equipotential with the signal conducting rod (), and so the influence of parasitic capacitance and spatial electromagnetic interference can be eliminated.