G - Physics – 06 – K
Patent
G - Physics
06
K
352/53.74
G06K 7/10 (2006.01) B07C 3/14 (2006.01)
Patent
CA 1099408
ABSTRACT OF THE DISCLOSURE The invention relates to an optical reading head, particularly for reading luminescent code bars on documents and the like, which reading head is provided with a source of light for irradiating the bars and with a detector for collecting the rays, emitted by the bars, by means of an optical guide, which is hollow, and at least the end near the point where the rays are collected is made of a filter material transmitting ultra- violet radiation.
293028
Fetherstonhaugh & Co.
Telegrafie En Telefonie de Staat Der Nederlanden Te Dezen Vertegenwoordigd Door de Direc
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