Communications – electrical: acoustic wave systems and devices – Underwater system
Reexamination Certificate
2008-12-04
2011-11-01
Pihulic, Daniel (Department: 3662)
Communications, electrical: acoustic wave systems and devices
Underwater system
Reexamination Certificate
active
08050142
ABSTRACT:
A sound collection environment deciding device for deciding whether the sound was collected in air or in water by utilizing an audio signal of collected sound is provided. Methods of Utilizing the audio signal of collected sound include, for instance, utilizing a difference of frequency characteristics between in-air and in-water of the audio signal of collected sound, utilizing a difference of propagation characteristics between in-air and in-water of the audio signal of collected sound, or the like.
REFERENCES:
patent: 2009/0147624 (2009-06-01), Hara et al.
patent: 7-30790 (1995-01-01), None
patent: 7-287286 (1995-10-01), None
patent: 8-130494 (1996-05-01), None
patent: 8-278800 (1996-10-01), None
patent: 9-55778 (1997-02-01), None
Machine Translation of JP07030790.
Hara Kazuma
Oku Tomoki
Yamanaka Makoto
Yoshida Masahiro
NDQ&M Watchstone LLP
Pihulic Daniel
Sanyo Electric Co,. Ltd.
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