Number | Name | Date | Kind |
---|---|---|---|
3714540 | Galloway | Jan 1973 | |
3798608 | Huebner | Mar 1974 | |
4027152 | Brown et al. | May 1977 | |
4118603 | Kumhyr | Oct 1978 | |
4227045 | Chelcun et al. | Oct 1980 | |
4302807 | Mentler | Nov 1981 | |
4748419 | Somerville | May 1988 | |
4835486 | Somerville | May 1989 | |
4859877 | Cooperman et al. | Aug 1989 | |
4885582 | LaBarge et al. | Dec 1989 | |
4945264 | Lee et al. | Jul 1990 | |
5142432 | Schneider | Aug 1992 | |
5204551 | Bjornholt | Apr 1993 | |
5384808 | Van Brunt et al. | Jan 1995 | |
5396394 | Gee | Mar 1995 | |
5533054 | DeAndrea et al. | Jul 1996 | |
5588021 | Hunt et al. | Dec 1996 | |
5596466 | Ochi | Jan 1997 | |
5952849 | Haigh | Sep 1999 | |
6124756 | Yaklin et al. | Sep 2000 |
Number | Date | Country |
---|---|---|
2529296 | Jan 1977 | DE |
Entry |
---|
Burr-Brown, 1993, ISO150, “Dual, Isolated, Bi-Directional Digital Coupler”. |