Image stabilized optical system

Details Image stabilized optical system Image stabilized optical system

1995-05-03

1996-07-23

Callahan, Timothy P.

Optical: systems and elements

Image stabilization

359557, 354 70, G02B 2764

Patent

active

055395759

ABSTRACT:
An image stabilized optical system includes a casing; an objective system and an eyepiece system; a gimbal which is connected to the casing via a shaft and is capable of oscillating; an erect prism attached to the gimbal; a motor attached to the gimbal; an inertial rotor supported by a rotating rod of the motor; an oscillating member attached to the gimbal; a caging member rotatably attached to the casing, the caging member being capable of moving between a caging position where the caging member prevents oscillation of the oscillating member and an uncaging position where the oscillating member is capable of oscillating; operating force-transmitting means for transmitting an operating force to the caging member; and an elastic member. The elastic member energizes the caging member at the caging position in a direction of pressing the caging member against the oscillating member, and energizes the caging member at the uncaging position in a direction of separating the caging member from the oscillating member. A caging mechanism is simplified and easily operated compared to a conventional one, and weight and cost reductions and easy handling of the image stabilized optical system can be attained.

REFERENCES:
patent: 4013339 (1977-03-01), Ando et al.
patent: 4235506 (1980-11-01), Saito et al.
patent: 4318584 (1982-03-01), Ando et al.
patent: 5181056 (1993-01-01), Noguchi et al.

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