Ear terminal

Details Ear terminal Ear terminal

2006-05-02

2006-05-02

Ramakrishnaiah, Melur (Department: 2643)

Electrical audio signal processing systems and devices

Acoustical noise or sound cancellation

Adjacent ear

C381S071100, C381S072000

Reexamination Certificate

active

07039195

ABSTRACT:
Ear terminal comprising a sealing section (2) for arrangement in the meatus (3) of a human, comprising:an inner microphone (M2) having a sound inlet (S2) for being directed, directed into the meatus,an electronics unit (11) coupled the inner microphone (M2) and also being coupled to a power supply (12) as well asan outer microphone (M1) for measuring acoustic signals in the environment.

REFERENCES:
patent: 4985925 (1991-01-01), Langberg et al.
patent: 5276739 (1994-01-01), Krokstad et al.
patent: 5426719 (1995-06-01), Franks et al.
patent: 5577511 (1996-11-01), Killion
patent: 3133107 (1983-03-01), None
patent: 0684750 (1995-11-01), None
patent: 2702275 (1994-09-01), None
patent: 2184629 (1987-06-01), None

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