Number | Date | Country | Kind |
---|---|---|---|
7-161727 | Jun 1995 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
5138621 | Goto | Aug 1992 | |
5500762 | Uchiyama et al. | Mar 1996 | |
5510926 | Bayart et al. | Apr 1996 |
Number | Date | Country |
---|---|---|
4020081 | Dec 1990 | EPX |
6216452 | Aug 1994 | JPX |
Entry |
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Furukawa et al, IEEE Photonies. Techn. Lett., (USA), vol. 7, #5, pp. 540-542, May 1995; abst. only herewith. |