Hearing aid

United States of America Patent

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Oct 2, 1984
Grant Date
N/A
app pub date
Jul 29, 1982
filing date
Aug 7, 1981

priority date (Note)
Expired

status (Latency Note)

Importance

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Abstract

In a hearing aid, when the input sound pressure to the microphone exceeds a preset level for a preset period of time, a control signal is produced to automatically decrease the maximum output sound level, thereby decreasing the overload to the user.

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Patent Owner(s)

Patent Owner	Address
RION KABUSHIKI KAISHA	20-41 HIGASHI-MOTOMACHI 3-CHOME KOKUBUNJI-SHI TOKYO

International Classification(s)

H03G:CONTROL OF AMPLIFICATION

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Fukuyama, Kunihiko	Hino, JP	2	17
Masaike, Hiromi	Machida, JP	1	13
Yamamoto, Takuo	Fussa, JP	26	196

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Hearing aid

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United States of America Patent

06403265

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PATENT NO	4475230
SERIAL NO	06403265
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06403265

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