Computer automated bullet analysis apparatus

Details Computer automated bullet analysis apparatus Computer automated bullet analysis apparatus

1991-05-24

1995-02-14

Weinhardt, Robert A.

Boots, shoes, and leggings

382 1, G06F 1520, G06F 1570

Patent

active

053901088

ABSTRACT:
The apparatus analyzes and compares surfaces of fired bullets. A microscope obtains and amplifies optical signals representative of the characteristics of the surfaces, and the optical signals are converted, first to electrical signals and then to electrical coded digital representations. The coded digital representations are stored in an electronic memory. The coded digital representations of one bullet can then be computer compared to the coded digital representations of another bullet to determine if there is a match between the bullets.

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patent: 4923066 (1990-05-01), Ophir et al.
patent: 5134661 (1992-07-01), Reinsch
Arndt et al., "Bullet Signature Identification Using Time Domain Computer Techniques", Proceedings of Int. Carnahan Conf. pp. 145-151 1983.
Unitech Inc., "Ballistic Signature Identification System Study", Report #NASA-CR-147820 Contract#NAS9-14708 May, 1976 40 pages.
Arndt, G. D., "Ballistic Signature Identification Studies", 1977 Carnahan Conf. on Crime Countermeasures, p. 235 (Abstract Only).
Gardner, G. Y., "Computer Identification of Bullets", 1977 Carnahan Conf. on Crime Countermeasures, pp. 149-166, 1977.
Identification And Classification Of Bullets, Dissertion, submitted in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy (Electrical Engineering) at the Polytechnic Institute of New York, by Geoffrey Y. Gardner, Jun. 1976, pp. 1-15.
IEE Colloquim on Electronic Images and Image Processing In Security and Forensic Science Digest #087 May. 1990, Abstract only.
NTIS Report #NASA-CR-139371, Contract #NAS7-100 Abstract Only, Jul. 1974.

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