Number | Name | Date | Kind |
---|---|---|---|
3840799 | Macko et al. | Oct 1974 | |
4215304 | D'Atre et al. | Jul 1980 | |
4255695 | Plunkett et al. | Mar 1981 | |
4271385 | Azusawa | Jun 1981 | |
4276505 | Bose | Jun 1981 | |
4309643 | Akamatsa | Jan 1982 | |
4328454 | Okuyama et al. | May 1982 | |
4364004 | Bourbean | Dec 1982 |
Entry |
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IEEE Transactions on Industry Applications, Mar./Apr. 1979, vol. 1A-15, No. 2, by John Kosa, pp. 155-164. |