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:
Oct. 12, 1993
Filed:
Jul. 08, 1992
Masahiro Sugimura, Aichi, JP;
Nidek Co., Ltd., Gamagori, JP;
Abstract
The present invention provides a joy stick mechanism having a simplified structure in which a size reduction of the apparatus can be attained, there is little possibility of breaking of electric wires, and switching can be surely realized. To this end, the joy stick mechanism is arranged in such a manner that it includes an optical system such as a slit lamp laser delivery system or a fundus camera and the optical system can be moved fore and aft, and right and left by operating a joy stick, the mechanism being provided with switch button device located at a top portion of the joy stick bar, a movable shaft which can move in an axial direction of the joy stick bar by the movement of the switch button device, a detection device for detecting the movement of the shaft, and a control device for generating a trigger signal of photographing, coagulating and so forth on the basis of the detected result.