Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1980-11-03
1983-02-01
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250226, G02B 514
Patent
active
043717837
ABSTRACT:
According to the broader aspects of the invention, there is provided an improved arrangement which reduces the effort required in aligning optical sensors in optical heads under which capsules are transported and which decreases the relative time variances among certain signals utilized in the evaluation of capsules, most notably those dealing with color recognition and defect detection.
REFERENCES:
patent: 3709612 (1973-01-01), Clemens
patent: 3771325 (1973-11-01), Sweeney et al.
patent: 3996494 (1976-12-01), Suga
patent: 4053764 (1977-10-01), Sierak et al.
patent: 4054389 (1977-10-01), Owen
patent: 4212516 (1980-07-01), Sawamura
patent: 4225230 (1980-09-01), Dostoomian et al.
Grimmell William C.
Kaetzel Gilbert C.
Hoffmann-La Roche Inc.
Johnston George W.
Leon Bernard S.
Nelms David C.
Saxe Jon S.
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