Number | Date | Country | Kind |
---|---|---|---|
7900921 | Jun 1979 | NLX |
Number | Name | Date | Kind |
---|---|---|---|
3739360 | Lacklison | Jun 1973 | |
3979736 | Marsh | Sep 1976 |
Number | Date | Country |
---|---|---|
713370 | Aug 1954 | GBX |
Entry |
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"An Overview of Optical Data Storage Technology," D. Cher et al., Proc. of the IEEE, vol. 63, No. 8, Aug. 1975, pp. 1207-1230. |