Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1974-06-24
1976-04-27
Corsin, John K.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250566, 350 96B, G02B 516
Patent
active
039537307
ABSTRACT:
An optical reading head is described which is particularly designed to read codes generally formed by fluorescent or phosphorescent bars. The codes are carried by a support, such as an envelope which moves past the head at a relatively high speed. The support carrying the code is illuminated from a light source through a set of outgoing optical fibers, and the modulated light retransmitted by the code markings is conveyed through a set of incoming optical fibers to a processing device. Such a reading head is particularly adapted for use in a postal sorting system.
REFERENCES:
patent: 3105908 (1963-10-01), Burkhardt et al.
patent: 3384755 (1968-05-01), Williamson et al.
patent: 3504984 (1970-04-01), Bush
patent: 3512861 (1970-05-01), Schackert
patent: 3533657 (1970-10-01), Da Silva
Concepts of Classical Optics, by Strong, Appendix N, "Fiberoptics", by Nader S. Kapany, pp. 565-566, published 1958.
Tompkins, IBM Tech. Disclosure Bulletin, Vol. 16, No. 9, Feb., 1974, p. 2791.
Henry Guy
Roman Paul
Tetevuide Claude
Corsin John K.
Dubno Herbert
Henry Jon W.
Ross Karl F.
Thomson-CSF Visualisation et Traitement des Informations (T-VT)
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