Hearing aid

Details Hearing aid Hearing aid

2007-08-10

2011-10-04

Wilson, Allan R (Department: 2815)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

C381S330000

Reexamination Certificate

active

08031893

ABSTRACT:
Supply of power is ensured on use without requiring troublesome works such as battery replacement work and charging work. Specifically, hearing aids, which collect sound, amplify the collected sound, and output the amplified sound, boosts electromotive force generated by the Peltier module derived from temperature difference between a human-body contact portion and an ambient-air contact portion, and causes sound collecting units, a controller IC, a speaker to operate by the boosted voltage.

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patent: 7327850 (2008-02-01), Crump et al.
patent: 2009/0182392 (2009-07-01), Woolaston et al.
patent: 2010/0211142 (2010-08-01), Rogers et al.
patent: 102005032291 (2006-12-01), None
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patent: 2000-90221 (2000-03-01), None
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patent: 2005-328000 (2005-11-01), None
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English language Abstract of JP 2005-50130, Feb. 24, 2005.
English language Abstract of JP 2000-90221, Mar. 31, 2000.
English language Abstract of JP 61-128900, Aug. 12, 1986.
English language Abstract of JP 7-162997, Jun. 23, 1995.
English language Abstract of JP 2006-13133, Jan. 12, 2006.
English language Abstract of JP 2005-328000, Nov. 24, 2005.

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