Number | Date | Country | Kind |
---|---|---|---|
3329241 | Aug 1983 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3462658 | Worchel et al. | Aug 1969 | |
3868720 | New et al. | Feb 1975 | |
3943546 | Kaiser | Mar 1976 | |
4017882 | Kannam et al. | Apr 1977 | |
4151542 | Yajima et al. | Apr 1979 | |
4411708 | Winhan | Oct 1983 | |
4511912 | Mahrla | Apr 1985 |
Entry |
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Electronic Engineering, Jul. 1983, pp. 78-79, FIG. 15. |