Patent
1987-09-09
1989-04-25
Lee, John D.
350 9626, 350286, 350287, G02B 606
Patent
active
048242055
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.
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Matsui Hiroshi
Takahashi Susumu
Yamashita Nobuo
Lee John D.
Olympus Optical Co,. Ltd.
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