Title:
AUDITION AIDING DEVICE
Document Type and Number:
Japanese Patent JP3430061
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an audition aiding device which is simple in structure and can collect incoming sound by an appropriate directivity.
SOLUTION: A fitting part 2 which a fitter fits to his ear is provided with a directional microphone 4 so that the microphone faces a front when fitted and with a non-directional microphone 5 to a side face so that the device can collect whole sound. Then, sounds of both microphones are mixed and outputted to the fitter, and it is possible to raise a mixing ratio of the directional microphone 4 or a mixing ratio of the non-directional microphone 5 by switching a switch.
Inventors:
Katsufumi Kondo
Yoshinori Hayashi
Akira Miki
Koji Tanidaka
Hiroshi Ohwaki
Koichi Kawamoto
Yoshinori Hayashi
Akira Miki
Koji Tanidaka
Hiroshi Ohwaki
Koichi Kawamoto
Application Number:
JP5015899A
Publication Date:
July 28, 2003
Filing Date:
February 26, 1999
Export Citation:
Assignee:
Yamaha Corporation
International Classes:
H04R25/00; (IPC1-7): H04R25/00
Domestic Patent References:
| JP879897A |
Attorney, Agent or Firm:
Hisao Komori