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. 25, 1989
Filed:
Sep. 09, 1987
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
An image forming optical system designed in simple composition and capable of providing images of high quality, said optical system comprising a prism system including at least a pair of a first prism arranged on the optical axis between an objective lens and an incident end face of an image guide or solid-state image sensor and having an emerging face inclined relative to the optical axis and a second prism having an incident surface inclined relative to the optical axis, and so adapted as to vibrate at least one of said first and second prisms in the direction of the optical axis by a piezoelectric element type of actuator. Said image forming optical system is so composed as to be suited for use with fiber scopes, electronic fiber scopes or display scopes.