Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate
2004-06-09
2010-02-02
Briney, III, Walter F (Department: 2614)
Electrical audio signal processing systems and devices
Hearing aids, electrical
Specified casing or housing
C379S443000
Reexamination Certificate
active
07657049
ABSTRACT:
An improved telephone handset for hearing-impaired persons. A passive device, in the form of an inductor wound about a highly magnetostrictive core, is connected with the speaker in the handset. The device has been found to improve intelligibility of speech delivered by the handset, when perceived by persons afflicted with certain types of hearing impairment.
REFERENCES:
patent: 4160122 (1979-07-01), Jacobson
patent: 4419544 (1983-12-01), Adelman
patent: 6169813 (2001-01-01), Richardson
patent: 6785394 (2004-08-01), Olsen et al.
patent: 2001/0055386 (2001-12-01), Waldron et al.
METGLAS Solutions MICROLITE. Metglas website [online], Jun. 2002 and Aug. 2002 [retrieved on Mar. 1, 2007]. Retreived from the Internet:<URL: http://web.archive.org/web/20020616104539/www.metglas.com/products/page5—1—6—3.htm>, <URL: http://web.archive.org/web/20020622090558/www.metglas.com/products/page5—1—6—3—1.htm>and <URL: http://web.archive.org/web/20020803151934/www.metglas.com/products/page5—1—2—4.htm>.
Burleigh Joan Billger
Jelkin Brett William
Waldron Joan Phillips
Able Planet, Incorporated
Briney III Walter F
Lenzen Glenn H.
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