Number | Date | Country | Kind |
---|---|---|---|
51-102296 | Aug 1976 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3493812 | Weimer | Feb 1970 | |
3564135 | Weimer | Feb 1971 | |
3988761 | Kanazawa | Oct 1976 | |
3996655 | Cunningham et al. | Dec 1976 | |
4058822 | Awane et al. | Nov 1977 |
Entry |
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Blanchard et al., IEEE J. of Solid State Circuits, vol. SC9, No. 3, Jun. 1974, pp. 103, 108-109. |
Saraswat et al., IEEE J. of Solid State Circuits, vol. SC-10, No. 3, Jun. 1975, pp. 136-137, 142. |