| US 7,522,740 B2 | ||
| Multi-coil coupling system for hearing aid applications | ||
| Stephen D. Julstrom, Chicago, Ill. (US); Viorel Drambarean, Skokie, Ill. (US); and Willem Soede, JL Leiden (Netherlands) | ||
| Assigned to Etymotic Research, Inc., Elk Grove Village, Ill. (US) | ||
| Filed on Feb. 01, 2006, as Appl. No. 11/345,567. | ||
| Application 11/345567 is a continuation of application No. 10/356290, filed on Jan. 31, 2003, granted, now 7,099,486. | ||
| Application 10/356290 is a continuation in part of application No. 09/752806, filed on Dec. 28, 2000, granted, now 6,694,034. | ||
| Claims priority of provisional application 60/225840, filed on Aug. 16, 2000. | ||
| Claims priority of provisional application 60/174958, filed on Jan. 07, 2000. | ||
| Claims priority of provisional application 60/123004, filed on Mar. 05, 1999. | ||
| Prior Publication US 2006/0269088 A1, Nov. 30, 2006 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. H04R 25/00 (2006.01) | ||
| U.S. Cl. 381—331 [381/322; 381/315] | 28 Claims |
| 12. A hearing improvement device comprising:
an amplifier for modifying an electrical signal representative of sound;
at least one inductor for generating, from the modified electrical signal, a magnetic field suitable for coupling to the telecoil
of a hearing aid; and
a housing suitably arranged for wearing proximate an ear of a user, wherein the housing contains the at least one inductor,
the amplifier, and a battery, wherein the housing is suitably arranged to fit behind an ear of a user, and wherein the housing
is arranged to be collocated with a behind-the-ear (BTE) type hearing aid.
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