Hearing aid comprising an array of microphones

Electrical audio signal processing systems and devices – Hearing aids – electrical – Directional

Reexamination Certificate

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C381S312000, C381S356000

Reexamination Certificate

active

07031483

ABSTRACT:
Hearing aid for improving the hearing ability of the hard of hearing, comprising an array of microphones, the electrical output signals of which are fed to at least one transmission path belonging to an ear. Means are provided for deriving two array output signals from the output signals of the microphones, the array having two main sensitivity directions running at an angle with respect to one another and each of which is associated to an array output signal. Each array output signal is fed to its own transmission path belonging to one ear of a person who is hard of hearing.

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patent: 2 236 968 (1974-01-01), None
W. Soede et al., “Development of a directional hearing instrument based on array technology,” 8014 The Journal of the Acoustical Society of America, 94 Aug. 1993, No. 2, Part 1, pp. 785-798 no day.

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