Optical: systems and elements – Mirror – With support
Reexamination Certificate
2006-04-11
2006-04-11
Robinson, Mark A. (Department: 2872)
Optical: systems and elements
Mirror
With support
C359S877000
Reexamination Certificate
active
07025470
ABSTRACT:
An improved mechanism for rotatable image taking device, the rotatable mirror set in front of a fixed image-taking device with angle of reflection controlling mechanism at the rear side of the mirror. The mechanism includes a fixed rod with universal joint at the center, a horizontal rotating rod with universal joint, and a vertical rotating rod with universal joint. There are also three universal joints situated at the center, upper or lower side, and left or right side of the back face of the mirror. The invention can reduce the total cost of the rotatable image-taking device and improve the speed of changing angles.
REFERENCES:
patent: 4750486 (1988-06-01), Butler et al.
patent: 5177644 (1993-01-01), Stark
patent: 5400184 (1995-03-01), Kuklo
patent: 5751460 (1998-05-01), Harrell et al.
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