This application makes reference to, and claims priority to and the benefit of, U.S. provisional application Ser. No. 60/237,988 filed Oct. 5, 2000.
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3875349 | Ruegg | Apr 1975 | A |
3930560 | Carlson et al. | Jan 1976 | A |
3935398 | Carlson et al. | Jan 1976 | A |
3947646 | Saito | Mar 1976 | A |
3975599 | Johanson | Aug 1976 | A |
3983336 | Malek et al. | Sep 1976 | A |
4073366 | Estes | Feb 1978 | A |
4142072 | Berland | Feb 1979 | A |
4281222 | Nakagawa et al. | Jul 1981 | A |
4393270 | van den Berg | Jul 1983 | A |
4399327 | Yamamoto et al. | Aug 1983 | A |
4434329 | Nasu | Feb 1984 | A |
4456795 | Saito | Jun 1984 | A |
4456796 | Nakagawa et al. | Jun 1984 | A |
4629833 | Kern et al. | Dec 1986 | A |
4703506 | Sakamoto et al. | Oct 1987 | A |
5058171 | Wurzer et al. | Oct 1991 | A |
5121426 | Baumhauer et al. | Jun 1992 | A |
5131046 | Killion et al. | Jul 1992 | A |
5204907 | Staple et al. | Apr 1993 | A |
5214709 | Ribic | May 1993 | A |
5226076 | Baumhauer, Jr. et al. | Jul 1993 | A |
5268965 | Badie et al. | Dec 1993 | A |
5524056 | Killion et al. | Jun 1996 | A |
5613011 | Chase et al. | Mar 1997 | A |
5757933 | Preves et al. | May 1998 | A |
5790679 | Hawker et al. | Aug 1998 | A |
5848172 | Allen | Dec 1998 | A |
5878147 | Killion et al. | Mar 1999 | A |
6031922 | Tibbetts | Feb 2000 | A |
6075869 | Killion et al. | Jun 2000 | A |
6134334 | Killion et al. | Oct 2000 | A |
6151399 | Killion et al. | Nov 2000 | A |
6285771 | Killion et al. | Sep 2001 | B1 |
6567526 | Killion et al. | May 2003 | B1 |
6597793 | Darbut et al. | Jul 2003 | B1 |
Entry |
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“Etymotic Research—D-MIC 2nd Order Directional Progress: As of Apr. 27, 1994.”. |
Suggestion for Utilization of the Knowles Electronics EL-1687, BT-1784 and BT-1788 Directional Microphones. |
Mead Killion, “The Noise Problem: There's Hope,” Hearing Instruments, vol. 36, No. 11, 26-32 (1985). |
Carhart and Tilman, “Interaction of Competing Speech Signals with Hearing Losses,” Archives of Otolaryngology, vol. 91, 273-9 (1970). |
Hawkins and Yacullo, “Signal-to-Noise Ratio Advantage of Binaural Hearing Aids and Directional Microphones Under Different Levels of Reverberation.” J. Speech and Hearing Disorders, vol. 49, 278-86 (1984). |
Zuercher et al., Small Acoustic tubes: New approximations including isothermal and viscous effects, J. Acoust. Soc. Am., V. 83, pp. 1653-1660, 4/88. |
Mueller et al., An Easy Method for Calculating the Articulation Index, The Hearing Journal, vol. 43, No. 9, 9/90, pp. 1-4. |
Burnett et al., Nist Hearing Aid Test Procedures and Test Date, VA Hearing Aid Handbook, 1989, pp. 9, 23. |
Number | Date | Country | |
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60/237988 | Oct 2000 | US |