Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Optical fiber – waveguide – or preform
Reexamination Certificate
2006-05-23
2011-12-13
Gupta, Yogendra (Department: 1744)
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Optical fiber, waveguide, or preform
C264S001270, C264S408000, C385S013000, C385S106000
Reexamination Certificate
active
08075809
ABSTRACT:
In a method for the production of optical bands with several optical fibers, the surface of the optic fibers in said bands is treated such as to increase the optical damping in sections of the optic fibers. The generated damping may be reliably adjusted, whereby during (or after) the processing of the surfaces a measuring light is introduced into the fiber optic and the light output at the other end of the band is measured by means of a sensor such as a CCD camera. Possible production errors can thus be compensated for during the production process, for example, by an increased process time for the optic fiber. Optical sensor bands can be produced by the above method for application in the bumpers of motor vehicles as recognition sensors for the impact of a pedestrian. Other applications in which the bending of a sensor band is to be determined by optical means are also envisaged.
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European Office Action issued Sep. 21, 2009 in the European Application 1 792 215 A0.
European Office Action mailed Sep. 21, 2009 in corresponding European Patent Application 06 755 282.8.
Franke Martin
Happel Tobias
Kwiatek Andre Matthias
Gupta Yogendra
Siemens Aktiengesellschaft
Smith Jeremiah
Staas & Halsey , LLP
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