Image analysis – Applications – Manufacturing or product inspection
Patent
1998-06-04
2000-11-28
Couso, Jose L.
Image analysis
Applications
Manufacturing or product inspection
382108, G06K 900
Patent
active
061545627
ABSTRACT:
The portable spent cartridge casing examination imaging apparatus has a carrying case in which all the necessary components for field imaging of spent cartridge casings are contained securely for transport when the case is closed, and can be solidly assembled in the field for imaging. The case includes a base, a lid which locks in a vertical open position. A spent cartridge casing mounting device is provided for holding the cartridge substantially aligned with a longitudinal axis with the primer surface of the cartridge being substantially perpendicular to the axis, and an imaging system consisting of a cartridge microscope, camera, and light source are solidly interconnected with the mounting device to form a unit which is connected to the lid such that when the lid is open, the unit is substantially vertically disposed, while being at least partially received by the base of the case when the lid is closed for safe storage. The microscope has an adjustable magnification and focus adjustment mechanism for adjusting a magnification of the microscope and a focus of the microscope between two settings to image a breech face impression on the primer surface and a firing pin impression surface in the primer surface so that full images of the breech face and the firing pin impressions can be obtained with good focus using a single adjustment. The apparatus is designed for field use by a police officer having limited training in spent cartridge casing examination imaging, and the images obtained are to be sent to a forensic spent cartridge casing examination center where forensic experts can carry out proper examination of the spent cartridge casing images.
REFERENCES:
patent: 3900252 (1975-08-01), Di Salvo et al.
patent: 4595265 (1986-06-01), Hodgson
patent: 5038035 (1991-08-01), Nishimura et al.
patent: 5379106 (1995-01-01), Baldur
patent: 5390108 (1995-02-01), Baldur et al.
Baldur Roman
Boudreau Yvan
Cage Shawn B.
Couso Jose L.
Forensic Technology (Wai) Inc.
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