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3648196 | Gay | Mar 1972 | A |
3793484 | Feezor | Feb 1974 | A |
3793485 | Feezor | Feb 1974 | A |
3809811 | Delisle et al. | May 1974 | A |
4224468 | Calder | Sep 1980 | A |
4768165 | Hohn | Aug 1988 | A |
5197332 | Shennib | Mar 1993 | A |
5481615 | Eatwell et al. | Jan 1996 | A |
5721783 | Anderson | Feb 1998 | A |
5815582 | Claybaugh et al. | Sep 1998 | A |
5825894 | Shennib | Oct 1998 | A |
5852667 | Pan et al. | Dec 1998 | A |
6058194 | Gulli et al. | May 2000 | A |
6160893 | Sauders et al. | Dec 2000 | A |
Entry |
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“Audiometric Ear Canal Probe with Active Ambient Noise Control”, by Rafaely Boaz, IEEE Transactions on Speech and Audio Processing, vol. 4, No. 3, May 1996. |