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:
Dec. 03, 1985
Filed:
Nov. 24, 1982
Hiromasa Ishiwatari, Ikoma, JP;
Matsushita Electric Industrial Co., Ltd., Kodoma, JP;
Abstract
In a laser working apparatus comprising a large power laser oscillator, laser light beam conducting means, and a hand-piece with which the output laser light beam from said conducting means is emanated on desired objectives. The hand-piece comprises a convergence lens for focusing the output light to the desired object and a light detecting means disposed in a casing of the hand-piece, so as to detect the outskirt portion of the converged light beam, which is not utilized for the working, thereby the output laser light is continuously checked for its existence or for its intensity, to assure a reliable operation. By such a detection means, many troubles or defects of the light conducting means are continuously watched.