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. 12, 1989
Filed:
Apr. 27, 1988
Applicant:
Inventors:
Toshio Sakane, Sagamihara, JP;
Yasuyuki Numajiri, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21912162 ; 1283031 ; 21912174 ; 21912183 ; 372 27 ;
Abstract
A laser applying apparatus is provided with a laser source, setting means for setting the intensity of laser light applied to a portion to be irradiated, excitation means disposed in the laser source for selecting a stage of laser light intensity conforming to the set value by the setting means from among a plurality of stages of laser light intensity and causing it to be output from the laser source, and adjusting means disposed in the optical path for adjusting the intensity of the laser light output from the laser source to the intensity set by the setting means, by varying the light attenuation rate.