Target support device for calibration of cameras

Details Target support device for calibration of cameras Target support device for calibration of cameras

1988-12-16

1990-05-08

Noland, Tom

Supports

Stand

Plural leg

248165, 248166, 73 1R, F16M 300

Patent

active

049231553

ABSTRACT:
A cable assembly forming a number of tetrahedrons having common sides and vertices is maintained in tension by forces exerted on the vertices by a supporting structure. Spherical optical target objects are incorporated in the vertices and at points along the cables. The supporting structure consists of a central column having flexible radial arms at each end to provide necessary forces to the cable assembly. The arms may be folded to lie along the central column for compact storage of the total device.

REFERENCES:
patent: 3877096 (1975-04-01), Scesney
patent: 4203315 (1980-05-01), Vicu et al.
patent: 4339880 (1982-07-01), Hall
patent: 4457625 (1984-07-01), Greenleit et al.
patent: 4577299 (1986-03-01), Blaschke et al.
patent: 4583298 (1986-04-01), Rough

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