This application is a continuation in part of application Ser. No. 07/913,580 filed Jul. 14, 1992, now abandoned.
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4939355 | Rando et al. | Jul 1990 | |
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5128520 | Rando et al. | Jul 1992 | |
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5256864 | Rando et al. | Oct 1993 | |
5293033 | Yamashita | Mar 1994 |
Entry |
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H. Ikeda et al., "Bar-Code Reading Technology", Bulletin of the Precision Engineering Society, vol. 54, No. 12, pp. 28-32 (1988). |
T. Inagaki et al., "Applying Holograms to Pattern Input/Output Technology", Fujitsu, vol. 38, No. 2, pp. 137-142 (1987). |
N. Nishida, "Optical System of the POs Scanner", Machine Design, vol. 29, No. 8, pp. 69-73 (1985) (with translation of FIG. 9). |
Number | Date | Country | |
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Parent | 913580 | Jul 1992 |