Auxiliary mirror angle changing device for a main and auxiliary

Details Auxiliary mirror angle changing device for a main and auxiliary Auxiliary mirror angle changing device for a main and auxiliary

1990-05-30

1991-04-16

Arnold, Bruce Y.

350636, 350637, G02B 718

Patent

active

050077244

ABSTRACT:
An auxiliary mirror angle changing device comprising an auxiliary mirror frame sidewise extensible from the inside to the outside of a main mirror frame and a control electric circuit and a digital motor controlled by said circuit to rotate clockwise or counterclockwise actuated by a switch to incline the auxiliary mirror frame to an angle wanted.

REFERENCES:
patent: 4268120 (1981-05-01), Jitsumori
patent: 4921337 (1990-05-01), Hou
patent: 4936670 (1990-06-01), Yoo

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