Number | Name | Date | Kind |
---|---|---|---|
3566233 | Kahn et al. | Feb 1971 | |
4141351 | James et al. | Feb 1979 | |
4245643 | Benzing et al. | Jan 1981 | |
4274419 | Tam et al. | Jun 1981 | |
4321932 | Francis | Mar 1982 | |
4337776 | Daly et al. | Jul 1982 | |
4577639 | Simon et al. | Mar 1986 | |
4785812 | Pihl et al. | Nov 1988 | |
4870341 | Pihl et al. | Sep 1989 | |
4899750 | Ekwall | Feb 1990 | |
4917099 | Stice | Apr 1990 | |
4993423 | Stice | Feb 1991 | |
5020541 | Marriott | Jun 1991 |
Entry |
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A. J. Crawford and P. D. Smith, A Micropower Impedance Meter For Measuring Electrode Contact Impedance, J. of Biomed Engrg. vol. 1, No. 2, Apr. 1979. |
VLSI in Holter Monitoring, VLSI Electronics: Microstructure Science, vol. 17 Chapter 6, p. 129-134, by Mark Hubelbank, Academic Press, Inc., 1989. |