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. 04, 1996
Filed:
Nov. 22, 1994
Masakazu Kakimoto, Aichi-ken, JP;
Takashi Suzuki, Aichi-ken, JP;
UHT Corporation, Aichi-ken, JP;
Abstract
Disclosed is a drilling apparatus intended to obtain an image of a drilling mark for detecting the center of the drilling mark, irrespective of the material of a work (transparent material or nontransparent material). The drilling apparatus includes: a working table on which a work having a drilling mark is set; a lower lighting element provided under the working table for emitting a light to the drilling mark through a drill port; an upper lighting element for emitting a light to the drilling mark from the upper side; a camera unit provided on the working table for receiving a transmission image of the drilling mark emitted by the lower lighting element and a reflection image of the drilling mark emitted by the upper lighting element; an image processing unit for processing an image signal received by the camera unit into a binary signal and searching the binary image for detecting the center of the drilling mark; a drill; and a feed mechanism communicating with to the image processing apparatus and the drill for correctively moving the drill to the center position of the drilling mark in the X and Y directions and allowing the drill to drill the work at the center of the drilling mark, wherein the lower lighting element and the upper lighting element are switchable to each other.