Number | Date | Country | Kind |
---|---|---|---|
54-138557 | Oct 1979 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4259681 | Nishizawa | Mar 1981 | |
4274891 | Silvestri et al. | Jun 1981 | |
4317127 | Nishizawa | Feb 1982 | |
4326213 | Shirai et al. | Apr 1982 | |
4338618 | Nishizawa | Jul 1982 | |
4352997 | Raymond, Jr. et al. | Oct 1982 |
Number | Date | Country |
---|---|---|
2,503,864 | Aug 1976 | DEX |
54-97384 | Aug 1978 | JPX |
54-114186 | Sep 1979 | JPX |
Entry |
---|
Davies et al., IEEE J of Solid State Circuits, vol. 5c 12, No. 4, Aug. 1977, pp. 367-375. |