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:
Jun. 17, 2014
Filed:
Jun. 23, 2011
Panart Khajornrungruang, Kitakyushu, JP;
Keiichi Kimura, Kitakyushu, JP;
Panart Khajornrungruang, Kitakyushu, JP;
Keiichi Kimura, Kitakyushu, JP;
Kyushu Institute of Technology, Fukuoka, JP;
Abstract
The present invention is to generate a pulsed laser beam having a width greater than the gap between a rotating tool and a workpiece opposed thereto, and then irradiate the gap with the generated laser beam while the optical axis thereof is tilted relative to a workpiece plane. The pulsed laser beam has one lased-pulse period per one revolution or an integer number of revolutions of the rotating tool and is directed in the same angle range relative to the rotating tool within the ON durations of the lased pulse. The light which has irradiated the gap and has not been interrupted but diffracted by the gap is detected on a light-receiving sensor to measure the length of the gap.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile