Number | Date | Country | Kind |
---|---|---|---|
93830379 | Sep 1993 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
RE34428 | George et al. | Nov 1993 | |
3593166 | Martin | Jul 1971 | |
3727079 | Garrett | Apr 1973 | |
3755747 | Letosky | Aug 1973 | |
3768024 | Letosky | Oct 1973 | |
3955102 | Chi | May 1976 | |
4079327 | Van Uffelen | Mar 1978 | |
4080574 | Loosemore et al. | Mar 1978 | |
4090144 | Jenik et al. | May 1978 | |
4135161 | Torrieri | Jan 1979 | |
4137504 | Simmons | Jan 1979 | |
4138649 | Schaffer | Feb 1979 | |
4272690 | Riney et al. | Jun 1981 | |
4297642 | Baldwin et al. | Oct 1981 | |
4345169 | Saleh | Aug 1982 | |
4352999 | Galpin | Oct 1982 | |
4406988 | Scholz | Sep 1983 | |
4450368 | Spence | May 1984 | |
4480200 | Tan et al. | Oct 1984 | |
4636656 | Snowden et al. | Jan 1987 | |
4697098 | Cloke | Sep 1987 | |
4749879 | Peterson et al. | Jun 1988 | |
4764752 | Ormond | Aug 1988 | |
4882740 | Abe et al. | Nov 1989 | |
5182476 | Hanna et al. | Jan 1993 | |
5278462 | Wilson | Jan 1994 | |
5359652 | Mulder et al. | Oct 1994 |
Number | Date | Country |
---|---|---|
252609 | Jan 1988 | EPX |
57-113617 | Jul 1982 | JPX |
Entry |
---|
Electronics Int., Apr. 13, 1978, pp. 135-137, A. Kaniel "Subtractor eliminates op--amp offset, common--mode errors". |