Electrical audio signal processing systems and devices – Binaural and stereophonic – Stereo speaker arrangement
Reexamination Certificate
2011-04-19
2011-04-19
Faulk, Devona E (Department: 2614)
Electrical audio signal processing systems and devices
Binaural and stereophonic
Stereo speaker arrangement
C381S056000, C381S058000, C381S059000
Reexamination Certificate
active
07929720
ABSTRACT:
A position detecting system capable of detecting the position of a user as a listener in a simple manner. The position detecting system comprises a speaker system comprising a plurality of spatially-arranged speakers including at least a first speaker and a second speaker, a user terminal apparatus transmits a wireless signal to the speaker apparatus, and a position detecting apparatus which is provided in the side of the speaker apparatus. The position detecting apparatus computes the position of the user terminal apparatus based on a first time elapsed since the first speaker outputs a first measurement sound signal and until a receiving command transmitted by the user terminal apparatus in response to receiving the first measurement sound signal is received, and a second time elapsed since the second speaker outputs a second measurement sound signal and until a receiving command transmitted by the user terminal apparatus in response to receiving the second measurement sound signal is received.
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Office Action issued in the corresponding Chinese patent application No. 200610059146.9 dated Apr. 10, 2009.
Relevant portion of European Search Report of corresponding European Application 06111025.0-2202.
Emoto Naohiro
Ishibashi Toshiaki
Tamaru Takuya
Faulk Devona E
Paul Disler
Rossi Kimms & McDowell LLP
Yamaha Corporation
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