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:
Feb. 25, 1992
Filed:
Jul. 11, 1990
Felix Ams, Kampfelbach, DE;
Roland Schafer, Bretten-Durrenbuchig, DE;
Richard Wolf GmbH, Knittlingen, DE;
Abstract
Apparatus for adjusting the quantity of light emitted by a light source for illuminating an object under examination by means of an endoscope fitted with a video camera, comprises a signal processing circuit including a window generating device and a window superimposition device for visually displaying and optically defining a window and which generates a measuring window in the video picture displayed by a monitor connected to the video camera and superimposes the measuring window on the video picture in the form of a frame. A video signal for adjusting the quantity of light emitted by the light source is integrated only within the measuring window.