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:
May. 15, 2001
Filed:
Jun. 11, 1999
Hideo Sugimoto, Tokyo, JP;
Kenichi Iriyama, Tokyo, JP;
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
The endoscopic light source apparatus has an illuminating light converging mechanism (,) in which a lightguide connector (,) to be connected displaces a condenser lens (,) in a direction parallel to the optical axis of illuminating light so that irrespective of the length of the lightguide connector (,), the illuminating light entrance end face (,) of the lightguide connector (,) is located near the position in which the rays of illuminating light converge, and a filter inserting and retracting mechanism (,) which moves in operative association with the illuminating light converging mechanism (,) such that a light attenuating filter (,) is inserted into or retracted from the rays of illuminating light depending upon the length of the lightguide connector (,).