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. 17, 1987
Filed:
Apr. 03, 1985
Hisao Kitagawa, Hachiohji, JP;
Yasuo Inoue, Hachiohji, JP;
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
A photographing indication device for microscopes comprising a transparent plate-shaped indication member arranged in the optical path of a microscope in such a manner that its surface including engraved indication lines is located at a position conjugate with the image surface of a photographing device, a plurality of light emitting means having different emission colors and arranged on the side of said indication member for illuminating said member, and control circuit equipped with variable resistor for glowing said light emitting means selectively and capable of controlling light intensity with variable resistor, thereby allowing said indication lines to be clearly distinguishable from an image to be observed and illuminated brightly and uniformly even during microscopy under the dark field illumination or reflecting fluorescence illumination.