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US3845319A
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Method and apparatus for the accurate detection of the passage of the edge of a straight contrast jump
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US3809891A
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Beam scanning object detection system
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GB1397837A
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Reading device for articles bearing colour marks
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GB1399256A
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Method and apparatus for detecting the passing of a straight contrast boundary
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GB1383039A
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Method and apparatus for adjusting optical devices
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US3745351A
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Apparatus for line-by-line photoelectric scanning of data media
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GB1342058A
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Device for measuring the intensity of a scanning light beam by means of a light-conducting rod
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DE2130165A1
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Method and device for determining the color density
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DE2040516A1
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Circular knitting machine monitor - based on photo-electric scanner for the needles
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GB1300337A
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Scanning and curve following device
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GB1279762A
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Optical measuring instrument
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GB1236346A
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Apparatus for monitoring the weft yarn on shuttleless looms
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GB1280358A
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Apparatus for monitoring warp yarns
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US3564267A
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Arrangement for optical-electronic identification of a moving body
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GB1224691A
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Control apparatus for circular knitting machines
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US3617756A
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Optical measuring apparatus using measuring and comparison light beams
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GB1180538A
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Device for Photoelectric Detection of Moving Filaments or Strips
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GB1181638A
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Photoelectronic Arrangement for scanning Diffusely Reflecting Material
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US3474254A
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Photoelectronic apparatus for scanning textile material
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GB1195897A
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Improvements in and relating to Apparatus for Detecting Flaws Formed by Apertures in Knitted Patterns.
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