Number | Date | Country | Kind |
---|---|---|---|
7-158568 | Jun 1995 | JPX | |
7-158569 | Jun 1995 | JPX | |
8-019343 | Jan 1996 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3970367 | Tsuji | Jul 1976 | |
4189213 | Iizuka | Feb 1980 | |
4437732 | Ishiyama | Mar 1984 | |
4498741 | Ishiyama | Feb 1985 | |
4637690 | Miyamae et al. | Jan 1987 | |
4730908 | Tanaka | Mar 1988 | |
4749266 | Takahashi et al. | Jun 1988 | |
4854685 | Corbasson | Aug 1989 | |
4896950 | Endo et al. | Jan 1990 | |
5388004 | Adachi | Feb 1995 | |
5440430 | Sato | Aug 1995 |
Number | Date | Country |
---|---|---|
39-6127 | May 1964 | JPX |
39-29046 | Dec 1964 | JPX |
50-26931 | Sep 1975 | JPX |
54-29658 | Mar 1979 | JPX |
57-173812 | Oct 1982 | JPX |
60-39613 | Mar 1985 | JPX |
61-4013 | Jan 1986 | JPX |
61-124914 | Jun 1986 | JPX |
1-191819 | Aug 1989 | JPX |
3-71686 | Mar 1991 | JPX |
Entry |
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Tanaka, Kazuo "Paraxial analysis of mechanically compensated zoom lenses. 3: Five-component type"; Feb. 15, 1983; Applied Optics; vol. 22, No. 4; pp. 541-553. |