Optics: measuring and testing – Position or displacement
Reexamination Certificate
2006-07-11
2006-07-11
Toatley, Jr., Gregory J. (Department: 2877)
Optics: measuring and testing
Position or displacement
C356S622000, C356S624000, C356S139080, C235S454000, C235S462010
Reexamination Certificate
active
07075663
ABSTRACT:
The invention relates to an optical device for aiming along an optical axis and visually indicating a reading area, comprising at least an illuminating assembling acting on a portion of the reading area along an optical emission path. The illuminating assembly comprises a light beam emitting source, a diaphragm having a preset shape, such diaphragm being effective to select a portion of the light beam generated by said emitting source, and a converging lens placed, on the optical emission path, downstream of the diaphragm and adapted to collimate the shaped light beam coming from the diaphragm and project it onto a portion of the reading area. The device of this invention is at once economical and accurate (i.e. capable of producing sharp images), thereby providing the user with a clear cut indication of the reading area being aimed regardless of the distance of the latter from the device.
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Canini Federico
Palestini Valeria
DATALOGIC S.p.A.
Nguyen Sang H.
Nixon & Vanderhye P.C.
Toatley , Jr. Gregory J.
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