| Number | Date | Country | Kind |
|---|---|---|---|
| 2-8727 | Mar 1990 | JPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| D307741 | Gilbert | May 1990 | |
| D311389 | Festa et al. | Oct 1990 | |
| D316247 | Liabres et al. | Apr 1991 | |
| D328058 | Suzuki et al. | Jul 1992 |
| Entry |
|---|
| Control Engineering, Jul. 1989, p. 75, TI Series 305. |
| Control Engineering, Jul. 1989, p. 76, TI Series 405 I/O modules. |