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:
Apr. 03, 1990
Filed:
Jan. 18, 1989
Applicant:
Inventor:
Tadashi Sekiguchi, Saitama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ; H04N / ;
U.S. Cl.
CPC ...
358 98 ; 128-6 ;
Abstract
In an electronic endoscope apparatus, there are provided a brightness converter for converting brightness of a color image signal of a biological body under examination while the biological body is irradiated by monochromatic light; a plurality of image memories for storing a plurality of brightness-converted image signals; and a calculating circuit for calculating the plurality of brightness-converted image signals to obtain a concentration of hemoglobin of the biological body and an oxygen saturation of hemiglobin thereof. Then, the concentration of hemoglobin and oxygen saturation of the biological body are displayed as a color image.