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. 21, 1982
Filed:
Oct. 31, 1980
Toshimi Hayasaka, Hachiouji, JP;
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
An automatic focusing device for microscopes comprising nozzles arranged around the individual objective lenses, a gas feed pipe attached to the arm or the similar member of the microscope, and a coupler arranged in or near the objective lens switching device and used for connecting said gas feed tube to said nozzle, said automatic focusing device being adapted in such a manner that when objective lenses are switched from one to another to be used for microscopy by rotating said objective lens switching device, the nozzle arranged around the objective lens to be used for microscopy is connected to said gas feed tube, whereby the gas supplied through said gas feed tube passes through said coupler and is injected from said nozzle for focusing the objective lens to be used for microscopy.