Position detecting system, speaker system, and user terminal...

Electrical audio signal processing systems and devices – Binaural and stereophonic – Stereo speaker arrangement

Reexamination Certificate

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Details

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.

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