Television – Camera – system and detail – Optics
Reexamination Certificate
2005-10-04
2005-10-04
Garber, Wendy R. (Department: 2612)
Television
Camera, system and detail
Optics
C348S092000, C348S142000, C356S630000, C356S503000, C359S663000
Reexamination Certificate
active
06952231
ABSTRACT:
The invention relates to an apparatus based on the telecentric imaging system for forming an image of a linear zone (17) of an object (1). The apparatus comprises a non-telecentric camera (9) consisting of an objective (8) and an image plane (19) formed by a row of photosensitive cells (15) as well as telecentric imaging means (18) between the objective and the object. The telecentric means comprise a concave strip mirror (6), which is aligned with said row of cells and with the aperture of said objective located in its focal plane, as well as a strip-like plane mirror (5) between the parabolic mirror and the objective, whereby the radiation being reflected from the objective continues via the parabolic mirror and the planar mirror further to the objective and from there to the image plane. In the apparatus there is further a scattered light source (7) which lightens the object. The apparatus is adapted for measuring the dimensions of the width parts of the object.
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Kane, J.; “Telecentric Lenses: What You Need to Know?”; Computer Optics Inc.; 1999-2002; <http://www.computeroptics.com/telecentric.html>.
Lindström Lasse
Paavola Jyri
Andrus Sceales Starke & Sawall LLP
Garber Wendy R.
Oy Ekspansio Engineering Limited
Villecco John M.
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