Sighting mirror including a stabilizing device

Details Sighting mirror including a stabilizing device Sighting mirror including a stabilizing device

1984-08-14

1986-03-18

Henry, Jon W.

350487, G02B 2764

Patent

active

045764492

ABSTRACT:
A sighting mirror, especially for sighting instruments, includes a stabilng device for stabilizing the mirror position independently of the operating conditions, once the mirror has been trained on a target. A substantial accuracy in the stabilizing is achieved by providing a rough mirror frame stabilization and a fine mirror stabilization independently of the mirror frame stabilization. The fine stabilization is achieved by piezoelectric elements interposed between the mirror frame and the mirror which is pivotally attached to the mirror frame. A gyro provides electrical first control signals for the rough adjustment of the mirror frame, for example by a frame drive motor. The gyro also provides second control signals for the fine adjustment of the mirror by the piezoelectric elements. Movement translation may increase the effect of the piezoelectric elements.

REFERENCES:
patent: 3634622 (1972-01-01), Wheeler
patent: 4063287 (1977-12-01), von Rosmalen
patent: 4203654 (1980-05-01), Ellis
patent: 4245254 (1981-01-01), Svensson et al.
patent: 4404592 (1983-09-01), Pepin et al.

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