Number | Name | Date | Kind |
---|---|---|---|
RE29918 | Verkuil | Feb 1979 | |
3702967 | McPhail | Nov 1972 | |
3795859 | Benante et al. | Mar 1974 | |
3810049 | Krause | May 1974 | |
3865648 | Custrucci et al. | Feb 1975 | |
3904962 | Olson, Jr. | Sep 1975 | |
3952257 | Schade, Jr. | Apr 1976 | |
4055773 | Shoeff | Oct 1977 | |
4068254 | Erdi | Jan 1978 | |
4081822 | Sao et al. | Mar 1978 | |
4246500 | Okada et al. | Jan 1981 | |
4323795 | Holloway et al. | Apr 1982 |
Number | Date | Country |
---|---|---|
2712369 | Sep 1978 | DEX |
0033566 | Apr 1981 | JPX |
0065014 | Apr 1982 | JPX |
Entry |
---|
"Picoampere Current Sounce and Measuring Circuit", by Hohl et al., IBM Tech. Disc. Bull., pp. 1017-1018, 9/75, vol. 18, #4. |