Number | Date | Country | Kind |
---|---|---|---|
7-057983 | Feb 1995 | JPX | |
7-120589 | Apr 1995 | JPX | |
7-157033 | May 1995 | JPX | |
7-138729 | May 1995 | JPX | |
8-038737 | Jan 1996 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
5408453 | Holtslag et al. | Apr 1995 | |
5446565 | Komma et al. | Aug 1995 | |
5499231 | Fennema et al. | Mar 1996 | |
5526336 | Park et al. | Jun 1996 |
Number | Date | Country |
---|---|---|
427286 | May 1991 | EPX |
477380 | Apr 1992 | EPX |
Entry |
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DVD/CD, Nikkei Mechanical 1995, 8.7 No. 460. |
K. Nakamura, et al. "Development of Twin Lens Optical Pick-Up for DVD". |
Dual focus optical head for 0.6mm and 1.2m disks (II). |
Phase change optical disks using thin subtrate. |