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. 25, 1990
Filed:
Mar. 23, 1990
Nobuyuki Matsuura, Hino, JP;
Jun Hiroya, Tokyo, JP;
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
The endoscope comprises an elongate insertable part including an observing window in the tip part and a sucking tube path in the interior, an image forming optical system receiving a light from an object coming in from the observing window and forming an endoscope image, an imaging apparatus for imaging the endoscope image formed by the image forming optical system and an operating part connected to the insertable part at the base on the side opposite the tip part. The operating part includes a holding part arranged on the side near to the insertable part and a switching part arranged on the side far from the insertable part. The switching part includes a plurality of switching devices. The switching device arranged in the position nearest to the holding part among the plurality of switching devices includes a function of controlling sucking using the sucking tube path.