Number | Name | Date | Kind |
---|---|---|---|
4047091 | Hutchines et al. | Sep 1977 | |
4050004 | Greatbatch | Sep 1977 | |
4061929 | Asano | Dec 1977 | |
4186436 | Ishiwatari | Jan 1980 | |
4404624 | Yamazaki | Sep 1983 | |
4485433 | Topich | Nov 1984 | |
4616303 | Mauthe | Oct 1986 | |
4621315 | Vaughn et al. | Nov 1986 | |
4636930 | Bingham et al. | Jan 1987 | |
4679134 | Bingham et al. | Jul 1987 | |
4734599 | Bohac, Jr. | Mar 1988 | |
4777577 | Bingham et al. | Oct 1988 |
Number | Date | Country |
---|---|---|
219345 | Feb 1985 | DDX |
Entry |
---|
"At Last, It's Easy to Design RS-232-C Modems", Electronics magazine, Jul. 24, 1986, p. 89. |