Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1993-01-11
1994-07-12
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
356401, G01N 2186
Patent
active
053291328
ABSTRACT:
Positioning device equipped with a linear scanning device and at least one support with at least one contrasting code line provided on it. A useful part thereof is directed at an angle other than zero and 90 degrees with regard to the scanning device. At least one extra line forms a line of reference and forms an angle other than zero and 90 degrees with the code line, whereby the relative position of the above-mentioned lines can be read by the scanning device.
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Stevenage, "Robot Guidance Using Standard Mark", Electronics Letters, No. 21, Oct. 13, 1988, pp. 1326-1327.
Van de Pas Leo
Vanhoutte Rudi
Elektriciteit voor Goederenbehandeling Marine en Industrie, in h
Nelms David C.
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