Fingerprint display apparatus

Details Fingerprint display apparatus Fingerprint display apparatus

1988-09-06

1990-01-23

Haroian, Harry N.

Optics: image projectors

Plural

353101, G03B 2126

Patent

active

048961329

ABSTRACT:
Multi-lens slide projection apparatus for displaying transparent fingerprint records in side-by-side and juxtaposed relation to one another. Each lens system is independently mounted on a gimbaled platform having externally accessible tilt and rotation control mechanisms for one or both platforms for varying the relative positions of each platform to the other to orient the projected images without skewing or paralax.

REFERENCES:
patent: 3376782 (1968-04-01), Whitley et al.
patent: 3894797 (1975-07-01), Barowski et al.
patent: 4458993 (1984-07-01), Kempf
patent: 4466716 (1984-08-01), Kramer et al.

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