Number | Date | Country | Kind |
---|---|---|---|
55-110414[U] | Aug 1980 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
RE29963 | Janssen | Apr 1979 | |
3911211 | Rennick | Oct 1975 | |
3976828 | Janssen | Aug 1976 | |
4037252 | Janssen | Jul 1977 | |
4057832 | Kappert | Nov 1977 | |
4236232 | Jansen et al. | Nov 1980 | |
4330880 | Van Disk | May 1982 | |
4359635 | Gross | Nov 1982 | |
4397009 | Eriksson | Aug 1983 |
Entry |
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Jongen et al., Optical Disc Drive, Int. Conf. on Video and Data Recording, Southhampton, Eng., 24-27 Jul. 1979, 8 pp. |