Number | Date | Country | Kind |
---|---|---|---|
1-61639 | Mar 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4445048 | Graham | Apr 1984 | |
4573168 | Henze et al. | Feb 1986 | |
4627076 | Staal et al. | Dec 1986 |
Number | Date | Country |
---|---|---|
2443770 | Aug 1980 | FRX |
Entry |
---|
Interface Integrated Circuit, 1980, p. 130. |