Optics: measuring and testing – For optical fiber or waveguide inspection
Reexamination Certificate
2007-12-04
2007-12-04
Nguyen, Tu T. (Department: 2886)
Optics: measuring and testing
For optical fiber or waveguide inspection
Reexamination Certificate
active
10557558
ABSTRACT:
An auto distinction system images an assembled fiber band which continuously moves on the front side of a background plate applies sync-separating to a video signal by a sync-separating circuit5a, and clamps the video signal by a clamping circuit5b. Based on the clamped image signal, the characteristic information containing the defect information of the assembled fiber band is detected, and the defect information is extracted from the detected characteristic information. The clamped image signal is supplied to a noise-eliminating circuit6aand a defect signal concerning the thickness of the assembled fiber band is extracted. Based on the extracted signal and a reference signal with respect to the information, suitability of the defect information is discriminated by a distinction circuit7. When the results of distinction are defective, the results are announced. The characteristic information can be used for process control by being supplied to an external computer.
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Kaneda Hiroshi
Takebe Masaki
Birch & Stewart Kolasch & Birch, LLP
Daicel Chemical Industries Ltd.
Nguyen Tu T.
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