Three dimensional numerical surface descriptor

Details Three dimensional numerical surface descriptor Three dimensional numerical surface descriptor

1974-10-29

1976-03-23

Aegerter, Richard E.

Geometrical instruments

Area integrators

Electrical

33174PA, G01B 520

Patent

active

039451224

ABSTRACT:
An apparatus for the measurement and numerical description of three-dimennal objects, such as human heads. The apparatus comprises a hollow hemisphere having a plurality of probes which can be moved toward or away from a three-dimensional object held in place within the hollow hemisphere. The probes are movable in sleeves which pass through the wall of the hemisphere, enabling the measurement of distances between the hemisphere and the three-dimensional object at various points on the outer surface thereof.

REFERENCES:
patent: 788362 (1905-04-01), Lavery
patent: 1023542 (1912-04-01), Winter
patent: 1897941 (1933-02-01), Lavery

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