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.:

US 7798959 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 21, 2010

Filed:

Jul. 05, 2006
Applicant:

Kiyoshi Negishi, Saitama, JP;

Inventor:

Kiyoshi Negishi, Saitama, JP;

Assignee:

Hoya Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 1/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

An endoscope light source unit for making illumination light incident on an incident end face of a light guide connected thereto, includes an aperture device having aperture openings of different opening ratios, for selectively positioning one of the aperture openings between the incident end face of the light guide and the light source; a reading device for reading information on an illumination light quantity limit from a memory provided in a scope connected to the endoscope light source unit; and a controller for selecting an opening ratio of the aperture device in accordance with the information on the illumination light quantity limit read by the reading device, wherein the controller controls the aperture device so as not to position any of the aperture openings, which have an opening ratio higher than the selected opening ratio, between the incident end face of the light guide and the light source.


Find Patent Forward Citations

Negishi, Kiyoshi. (2010). Endoscope light source unit with light quantity control (U.S. Patent No. 7798959). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7798959

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…