Finger guide with orthogonal guide surfaces

Details Finger guide with orthogonal guide surfaces Finger guide with orthogonal guide surfaces

1993-06-07

1995-05-02

Hille, Rolf

Optics: measuring and testing

Document pattern analysis or verification

382126, G06K 920, G06K 974

Patent

active

054124638

ABSTRACT:
A finger guide (2) comprises first and second orthogonally-oriented portions (4,12) each comprising a pair of opposed converging surfaces (6,8;14,16) into which the end and the shank, respectively, of a finger for examination fit. Because of the relative orientation of the surfaces, movement of the finger relative to an examination surface (22) is reproducibly constrained.

REFERENCES:
patent: 4053228 (1977-10-01), Schiller
patent: 4905293 (1990-02-01), Asai et al.
patent: 4946276 (1990-08-01), Chilcott
patent: 5187748 (1993-02-01), Lee

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