Optical waveguides – Optical fiber bundle – Imaging
Patent
1991-04-29
1992-10-27
Healy, Brian
Optical waveguides
Optical fiber bundle
Imaging
385115, 385119, 355 1, 355 20, 355 45, G02B 606, G03B 2700
Patent
active
051596563
ABSTRACT:
A cathode ray tube provides a two-dimensional sequential scan pattern on which dots for scanning or printing are presented as spots of light provided in sequence. A single multi-scan linear raster sweep of the cathode ray tube electron beam produces a single line of dots on the scanned image or photosensitive medium. A fiber optics array with one end facing the cathode ray tube, is configured two-dimensionally in a pattern that corresponds to the sequential sweep pattern of the cathode ray tube. The trace of dots on the cathode ray tube has sufficient length to accommodate the number of dots required for the width of the finished product or scanned image. A lens positioned between the cathode ray tube and optical fiber array, focuses the cathode ray tube image onto the fiber ends with a reduction in size. At the other end of the fiber optics array, the fibers are abutted together linearly to form the desired final output line width with coherence of the fibers from input to output. The output line width can be any desired length by abutting more optical fibers and increasing the length of the cathode ray tube sweep. Individual "fibers" may be a sub-bundle including a cluster of small diameter fibers. The speed of the cathode ray tube sweep determines the speed of the printer or scanner.
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Advanced Technology Consortium, Inc.
Healy Brian
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