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. 19, 1989
Filed:
Aug. 13, 1987
Masayuki Mohara, Oizumimachi, JP;
Sanyo Electric Co., Ltd., , JP;
Abstract
Disclosed is an apparatus for detecting a position of an electronic part, the apparatus comprising first and second light source arranged so that an electronic part attracted by attraction means is sandwiched therebetween, a diffusion plate provided between the attraction means and the second light sources, and an imaging means provided below the diffusion plate. The light from the first light sources is irradiated on the electronic part and the transmission light from the electronic part is applied to the imaging means, or the light from the second light sources is irradiated on the electronic part and the reflected light is selectively applied to the imaging means through a through-hole of the diffusion plate to detect a position of the electronic part.